Analysis
- max time kernel
62s - max time network
2s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
29/10/2022, 01:43
Static task
static1
Behavioral task
behavioral1
Sample
c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe
Resource
win7-20220812-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe
Resource
win10v2004-20220812-en
9 signatures
150 seconds
General
- Target c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe
- Size 208KB
- Sample221029-b5cjkaffb4
- SHA256 c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070
- MD5 042ec980875566c68517a28da400e697
- SHA1 c67fcdc623d07356b4d7e5314f8b55becf98d5ba
- SHA512 4d68f8a9d51a1eda082eb00fea6d3f36a9088fa70af3c96a7890f954619db87fd87e73357da440cd1841ab0f4a0800630baba783fdbe096462b8f5c300987060
- SSDEEP 3072:kUpRi1s+S52fNiQGUaqcJeGwxruUIiau038t6eTNzW+XERycnR3FPEtprO8OFb5+:S1wuNiQj4hwBEu0MYqVmXBFPEjRiGdz
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3676 svchost.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\software\microsoft\windows\currentversion\run svchost.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\run svchost.exe - Modifies WinLogon 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\2dbfb414 = "Ä\x0fÅmŽ?ÖÄ^\u0081nÚúGq©¦n•eɶ6\x06÷*s \u00adQtcSap\x1a^\x1fB½…ÀÕÊŸõ‚£]Ê\u008dÖX\x1eG\v}{\x19ÅÕ¨Hõ“=\x0ebbÕi˜»ý!†rà^=\u009dÕ‡ÂqR5\vߟ2ZþqNÀ\u00a0¥M—ŽÕ-¥0æI~÷U¿æ\v \x18ú\"`ÚÕ‰1\x13’èÊ\x1d-ÛºI%¥©•»ðu\rþµÏ^E\x02\x02\t\x1e\x05µý--?\x0f\x02m%ÍâFÉ‘åÀ(ç‰Òý" c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\apppatch\svchost.exe c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe File opened for modification C:\Windows\apppatch\svchost.exe c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\MuiCache svchost.exe - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe 3676 svchost.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 3544 c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 3544 c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe Token: SeSecurityPrivilege 3544 c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe Token: SeSecurityPrivilege 3676 svchost.exe Token: SeSecurityPrivilege 3676 svchost.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3544 wrote to memory of 3676 3544 c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe 83 PID 3544 wrote to memory of 3676 3544 c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe 83 PID 3544 wrote to memory of 3676 3544 c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe"C:\Users\Admin\AppData\Local\Temp\c6c49d2c8455790495e3b0a6b4a07db585f8b75d64f30ea0d6ef57e9c090f070.exe"1⤵
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3676
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Windows\apppatch\svchost.exe
- Size 49KB
- SHA256 2f90a3694653709f81175e401963f205701c3634500e71ffa69cf724d3103c2b
- MD5 5fddea90e539c233298cabf15ce61b4e
- SHA1 ee4b16aedfd3f0ec6c00a94978b0b7388b4acdd1
- SHA512 9e92400ea441d54cf70e1a54aa6a180e61e1ecdceb01b23cc9a342dec97fa725ebba812a5219c426177f7df5b7b7496c665ff418708350b6489379457b7390bb
- SSDEEP 768:sCUh0CFddrXOsmNaPH+YyU5B4l/FRzJW8Nia+mQF1AL4rFeUtoQaHixW:sCUpFziPNs+S5ONlW8Nil1E0IUJJW
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\apppatch\svchost.exe
- Size 17KB
- SHA256 fe759f8803d3cd3b0a58b016b9bfc0e2bc4db200ebf19134af132b9bb57a2729
- MD5 3cad4cadb96ec5f5384f0eb788ec2dac
- SHA1 9a844e4f392dc1bcfadf45a1c3c9dc5957e14347
- SHA512 c606447019034dbb7d62b6fa93beb71a3ce1d64002a2b86b63e02158b9150e67a10116261f4b127e268d0a48052bfcefb3a5a433f03529de66f14aa60a4a8591
- SSDEEP 384:u5CUYvZZXNRI5yIOq+kGiGTFkAg26BFlc/bQfBM+HFIDvOXFiZ1qmygayCf1h+d1:sCUh0CFddrXOsmNaPH+Yy5
- MD5 SHA1 SHA512 SSDEEP