Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
13-11-2020 16:23
Static task
static1
Behavioral task
behavioral1
Sample
5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe
Resource
win10v20201028
General
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Target
5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe
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Size
318KB
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MD5
e595b4a100bf5d025a98246fb0bf4ed9
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SHA1
73502bc1594e582676ebff7c1446feabd786912a
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SHA256
5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049
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SHA512
a8916b4ec69103903d76f3b92de51bb2e2fe0d353ffa64a0d64bd9c88773e3222a212f10a1b574fa35a024464e5f02f291b58ec1aec516c0964f3fbae0823bbe
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 24 IoCs
Processes:
5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exedescription pid process Token: SeIncreaseQuotaPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeSecurityPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeTakeOwnershipPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeLoadDriverPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeSystemProfilePrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeSystemtimePrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeProfSingleProcessPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeIncBasePriorityPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeCreatePagefilePrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeBackupPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeRestorePrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeShutdownPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeDebugPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeSystemEnvironmentPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeChangeNotifyPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeRemoteShutdownPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeUndockPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeManageVolumePrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeImpersonatePrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: SeCreateGlobalPrivilege 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: 33 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: 34 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: 35 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe Token: 36 4684 5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe"C:\Users\Admin\AppData\Local\Temp\5b2c9d356914afda6cc8a33699f3b1c6ef240c4fcde7b58d4779c1efd50ba049.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken