Analysis
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max time kernel
137s -
max time network
138s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
06-11-2020 10:49
Static task
static1
Behavioral task
behavioral1
Sample
a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe
Resource
win10v20201028
General
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Target
a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe
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Size
318KB
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MD5
f5c53bcf86cb23fab76ebe396dfb334b
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SHA1
1a0dc48f800906b8283571c96a7759238074d532
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SHA256
a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806
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SHA512
25f78f1da0bf152c538e1a16bb6706da380cf9fc95448be14f72c015ca05a4f650cc16b7552970ef9d12e38da8709728b697e44ea341fec958ba6ea6a17f091d
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.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" a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.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" a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.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:
a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exedescription pid process Token: SeIncreaseQuotaPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeSecurityPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeTakeOwnershipPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeLoadDriverPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeSystemProfilePrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeSystemtimePrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeProfSingleProcessPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeIncBasePriorityPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeCreatePagefilePrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeBackupPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeRestorePrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeShutdownPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeDebugPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeSystemEnvironmentPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeChangeNotifyPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeRemoteShutdownPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeUndockPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeManageVolumePrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeImpersonatePrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: SeCreateGlobalPrivilege 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: 33 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: 34 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: 35 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe Token: 36 4680 a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe"C:\Users\Admin\AppData\Local\Temp\a2b6aa60ebd31a2177e41003b5988ffd94dc38bcb13477905b6b94e2ac222806.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:4680