/* Yara Rule Set Author: Florian Roth Date: 2018-05-04 Identifier: Burning Umbrella Reference: https://401trg.pw/burning-umbrella/ */ /* Rule Set ----------------------------------------------------------------- */ import "pe" rule MAL_BurningUmbrella_Sample_1 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "fcfe8fcf054bd8b19226d592617425e320e4a5bb4798807d6f067c39dfc6d1ff" id = "9f8a6831-172b-5310-9763-43657b79b91d" strings: $s1 = { 40 00 00 E0 75 68 66 61 6F 68 6C 79 } $s2 = { 40 00 00 E0 64 6A 7A 66 63 6D 77 62 } condition: uint16(0) == 0x5a4d and filesize < 4000KB and ( pe.imphash() == "baa93d47220682c04d92f7797d9224ce" and $s1 in (0..1024) and $s2 in (0..1024) ) } rule MAL_BurningUmbrella_Sample_2 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "801a64a730fc8d80e17e59e93533c1455686ca778e6ba99cf6f1971a935eda4c" id = "926b4a29-ce47-559b-94e3-1fabd90f3fbe" strings: $s1 = { 40 00 00 E0 63 68 72 6F 6D 67 75 78 } $s2 = { 40 00 00 E0 77 62 68 75 74 66 6F 61 } $s3 = "ActiveX Manager" wide condition: uint16(0) == 0x5a4d and filesize < 3000KB and $s1 in (0..1024) and $s2 in (0..1024) and $s3 } rule MAL_BurningUmbrella_Sample_3 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "92efbecc24fbb5690708926b6221b241b10bdfe3dd0375d663b051283d0de30f" id = "b997822a-3f62-51b4-bd96-e780ffe60812" strings: $s1 = "HKEY_CLASSES_ROOT\\Word.Document.8\\shell\\Open\\command" fullword ascii condition: uint16(0) == 0x5a4d and filesize < 400KB and 1 of them } rule MAL_BurningUmbrella_Sample_4 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "a1629e8abce9d670fdb66fa1ef73ad4181706eefb8adc8a9fd257b6a21be48c6" id = "3489f64b-7ebc-55b8-bd11-afaa719e572b" strings: $x1 = "dumpodbc.exe" fullword ascii $x2 = "photo_Bundle.exe" fullword ascii $x3 = "Connect 2 fails : %d,%s:%d" fullword ascii $x4 = "Connect fails 1 : %d %s:%d" fullword ascii $x5 = "New IP : %s,New Port: %d" fullword ascii $x6 = "Micrsoft Corporation. All rights reserved." fullword wide $x7 = "New ConFails : %d" fullword ascii $s1 = "cmd /c net stop stisvc" fullword ascii $s2 = "cmd /c net stop spooler" fullword ascii $s3 = "\\temp\\s%d.dat" ascii $s4 = "cmd /c net stop wuauserv" fullword ascii $s5 = "User-Agent: MyApp/0.1" fullword ascii $s6 = "%s->%s Fails : %d" fullword ascii $s7 = "Enter WorkThread,Current sock:%d" fullword ascii condition: uint16(0) == 0x5a4d and filesize < 50KB and ( ( pe.exports("Print32") and 2 of them ) or 1 of ($x*) or 4 of them ) } rule MAL_BurningUmbrella_Sample_6 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "49ef2b98b414c321bcdbab107b8fa71a537958fe1e05ae62aaa01fe7773c3b4b" id = "7198a734-fd54-5cb5-9966-b91796a415c7" strings: $s1 = "ExecuteFile=\"hidcon:nowait:\\\"Word\\\\r.bat\\\"\"" fullword ascii $s2 = "InstallPath=\"%Appdata%\\\\Microsoft\"" fullword ascii condition: uint16(0) == 0x5a4d and filesize < 2000KB and 1 of them } rule MAL_BurningUmbrella_Sample_7 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "a4ce3a356d61fbbb067e1430b8ceedbe8965e0cfedd8fb43f1f719e2925b094a" hash2 = "a8bfc1e013f15bc395aa5c047f22ff2344c343c22d420804b6d2f0a67eb6db64" hash3 = "959612f2a9a8ce454c144d6aef10dd326b201336a85e69a604e6b3892892d7ed" id = "7e427512-a8ee-53ae-a141-e995e74ca845" condition: uint16(0) == 0x5a4d and filesize < 400KB and pe.imphash() == "f5b113d6708a3927b5cc48f2215fcaff" } rule MAL_BurningUmbrella_Sample_8 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "73270fe9bca94fead1b5b38ddf69fae6a42e574e3150d3e3ab369f5d37d93d88" id = "1b89d5a1-1425-5cb7-b429-563769bc0943" strings: $s1 = "cmd /c open %s" fullword ascii condition: uint16(0) == 0x5a4d and filesize < 400KB and 1 of them } rule MAL_BurningUmbrella_Sample_10 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "70992a72412c5d62d003a29c3967fcb0687189d3290ebbc8671fa630829f6694" hash2 = "48f0bbc3b679aac6b1a71c06f19bb182123e74df8bb0b6b04ebe99100c57a41e" hash3 = "5475ae24c4eeadcbd49fcd891ce64d0fe5d9738f1c10ba2ac7e6235da97d3926" id = "e4cb2211-efbe-55f9-99e3-c01601904509" strings: $s1 = "revjj.syshell.org" fullword ascii /* $s2 = "Kernel.dll" fullword ascii */ condition: uint16(0) == 0x5a4d and filesize < 300KB and all of them } rule MAL_BurningUmbrella_Sample_11 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "278e9d130678615d0fee4d7dd432f0dda6d52b0719649ee58cbdca097e997c3f" id = "9762c68c-4d69-5d38-aaf4-0048e7404147" strings: $s1 = "Resume.app/Contents/Java/Resume.jarPK" fullword ascii condition: uint16(0) == 0x4b50 and filesize < 700KB and 1 of them } rule MAL_BurningUmbrella_Sample_12 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "b9aba520eeaf6511877c1eec5f7d71e0eea017312a104f30d3b8f17c89db47e8" id = "805a00e7-2959-53d8-b769-0f8e54e1bbd5" strings: $s1 = "%SystemRoot%\\System32\\qmgr.dll" fullword ascii $s2 = "rundll32.exe %s,Startup" fullword ascii $s3 = "nvsvcs.dll" fullword wide $s4 = "SYSTEM\\CurrentControlSet\\services\\BITS\\Parameters" fullword ascii $s5 = "http://www.sginternet.net 0" fullword ascii $s6 = "Microsoft Corporation. All rights reserved." fullword wide condition: uint16(0) == 0x5a4d and filesize < 80KB and ( pe.exports("SvcServiceMain") and 5 of them ) } rule MAL_BurningUmbrella_Sample_13 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "d31374adc0b96a8a8b56438bbbc313061fd305ecee32a12738dd965910c8890f" hash2 = "c74a8e6c88f8501fb066ae07753efe8d267afb006f555811083c51c7f546cb67" id = "38c73425-bbdd-5b74-8ad4-5e0052039dd8" condition: uint16(0) == 0x5a4d and filesize < 100KB and pe.imphash() == "75f201aa8b18e1c4f826b2fe0963b84f" } rule MAL_BurningUmbrella_Sample_14 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "388ef4b4e12a04eab451bd6393860b8d12948f2bce12e5c9022996a9167f4972" id = "a2b3a4bb-ca60-5dc2-8124-17e654e326b8" strings: $s1 = "C:\\tmp\\Google_updata.exe" fullword ascii /* $s2 = "Kernel.dll" fullword ascii */ condition: uint16(0) == 0x5a4d and filesize < 40KB and 1 of them } rule MAL_BurningUmbrella_Sample_15 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "be6bea22e909bd772d21647ffee6d15e208e386e8c3c95fd22816c6b94196ae8" hash2 = "72a8fa454f428587d210cba0e74735381cd0332f3bdcbb45eecb7e271e138501" hash3 = "9cc38ea106efd5c8e98c2e8faf97c818171c52fa3afa0c4c8f376430fa556066" hash4 = "1a4a64f01b101c16e8b5928b52231211e744e695f125e056ef7a9412da04bb91" hash5 = "3cd42e665e21ed4815af6f983452cbe7a4f2ac99f9ea71af4480a9ebff5aa048" id = "4dc840c1-e6fa-5b21-bfcd-ef07cd85272a" condition: uint16(0) == 0x5a4d and filesize < 50KB and pe.imphash() == "cc33b1500354cf785409a3b428f7cd2a" } rule MAL_BurningUmbrella_Sample_16 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "58bb3859e02b8483e9f84cc56fbd964486e056ef28e94dd0027d361383cc4f4a" id = "8b1970bd-571e-5c53-9170-1605c69d9d6d" strings: $s1 = "http://netimo.net 0" fullword ascii condition: uint16(0) == 0x5a4d and filesize < 500KB and all of them } rule MAL_BurningUmbrella_Sample_17 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "fa380dac35e16da01242e456f760a0e75c2ce9b68ff18cfc7cfdd16b2f4dec56" hash2 = "854b64155f9ceac806b49f3e352949cc292e5bc33f110d965cf81a93f78d2f07" hash3 = "1e462d8968e8b6e8784d7ecd1d60249b41cf600975d2a894f15433a7fdf07a0f" hash4 = "3cdc149e387ec4a64cce1191fc30b8588df4a2947d54127eae43955ce3d08a01" hash5 = "a026b11e15d4a81a449d20baf7cbd7b8602adc2644aa4bea1e55ff1f422c60e3" id = "d79d3f65-f27c-582b-9258-7c84dc7682a6" strings: $s1 = "syshell" fullword wide $s2 = "Normal.dotm" fullword ascii $s3 = "Microsoft Office Word" fullword ascii condition: uint16(0) == 0x5a4d and filesize < 400KB and all of them } rule MAL_BurningUmbrella_Sample_18 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "d8df60524deb6df4f9ddd802037a248f9fbdd532151bb00e647b233e845b1617" hash2 = "c55cb6b42cfabf0edf1499d383817164d1b034895e597068e019c19d787ea313" hash3 = "32144ba8370826e069e5f1b6745a3625d10f50a809f3f2a72c4c7644ed0cab03" hash4 = "ae616003d85a12393783eaff9778aba20189e423c11c852e96c29efa6ecfce81" hash5 = "95b6e427883f402db73234b84a84015ad7f3456801cb9bb19df4b11739ea646d" hash6 = "1419ba36aae1daecc7a81a2dfb96631537365a5b34247533d59a70c1c9f58da2" hash7 = "6a5a9b0ae10ce6a0d5e1f7d21d8ea87894d62d0cda00db005d8d0de17cae7743" hash8 = "74e348068f8851fec1b3de54550fe09d07fb85b7481ca6b61404823b473885bb" hash9 = "adb9c2fe930fae579ce87059b4b9e15c22b6498c42df01db9760f75d983b93b2" hash0 = "23f28b5c4e94d0ad86341c0b9054f197c63389133fcd81dd5e0cf59f774ce54b" id = "d08f4676-ff28-59be-9fd4-b5a824e577d9" strings: $s1 = "c:\\tmp\\tran.exe" fullword ascii condition: uint16(0) == 0x5a4d and filesize < 200KB and ( pe.imphash() == "11675b4db0e7df7b29b1c1ef6f88e2e1" or pe.imphash() == "364e1f68e2d412db34715709c68ba467" or pe.exports("deKernel") or 1 of them ) } rule MAL_BurningUmbrella_Sample_19 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "05e2912f2a593ba16a5a094d319d96715cbecf025bf88bb0293caaf6beb8bc20" hash2 = "e7bbdb275773f43c8e0610ad75cfe48739e0a2414c948de66ce042016eae0b2e" id = "8ab55e80-5d28-5a5f-a1cc-725ba6720e4b" strings: $s1 = "Cryption.dll" fullword ascii $s2 = "tran.exe" fullword ascii $s3 = "Kernel.dll" fullword ascii $s4 = "Now ready to get the file %s!" fullword ascii condition: uint16(0) == 0x5a4d and filesize < 200KB and 3 of them } rule MAL_BurningUmbrella_Sample_20 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" modified = "2023-01-06" hash1 = "5c12379cd7ab3cb03dac354d0e850769873d45bb486c266a893c0daa452aa03c" hash2 = "172cd90fd9e31ba70e47f0cc76c07d53e512da4cbfd197772c179fe604b75369" hash3 = "1ce88e98c8b37ea68466657485f2c01010a4d4a88587ba0ae814f37680a2e7a8" id = "1a39a76a-31e2-5d6e-82cb-ea38d503b6a9" strings: $s1 = "Wordpad.Document.1\\shell\\open\\command\\" wide $s2 = "%s\\shell\\Open\\command" fullword wide $s3 = "expanding computer" fullword ascii condition: uint16(0) == 0x5a4d and filesize < 500KB and ( pe.imphash() == "bac338bfe2685483c201e15eae4352d5" or 2 of them ) } rule MAL_BurningUmbrella_Sample_21 { meta: description = "Detects malware sample from Burning Umbrella report" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "https://401trg.pw/burning-umbrella/" date = "2018-05-04" hash1 = "4b7b9c2a9d5080ccc4e9934f2fd14b9d4e8f6f500889bf9750f1d672c8724438" id = "2193e4b6-b71c-5031-8e43-fdd7177ad05c" strings: $s1 = "c:\\windows\\ime\\setup.exe" fullword ascii $s2 = "ws.run \"later.bat /start\",0Cet " fullword ascii $s3 = "del later.bat" fullword ascii $s4 = "mycrs.xls" fullword ascii $a1 = "-el -s2 \"-d%s\" \"-p%s\" \"-sp%s\"" fullword ascii $a2 = "