Analysis
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max time kernel
140s -
max time network
142s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
08-05-2021 21:28
Static task
static1
Behavioral task
behavioral1
Sample
982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe
Resource
win10v20210410
General
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Target
982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe
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Size
658KB
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MD5
4630079ead115a182e9ee92fb7ff6850
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SHA1
f4479d7da9e10f40b7068ea9b27884e2e328eeca
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SHA256
982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531
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SHA512
10a52a0639eb8cbfb8e91209c6afa2a7040e6c61c61aca419990c5d69247912af6e988854f48fab32ca39234b3a75ce0a527a49b2e9ddb3de059469da7df177c
Malware Config
Extracted
darkcomet
Junior_Sazan
tcp.ngrok.io:11776
DCMIN_MUTEX-NJC1TUU
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InstallPath
DCSCMIN\IMDCSC.exe
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gencode
Ytyu4pdkTAsH
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install
true
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offline_keylogger
true
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persistence
false
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reg_key
Windows Defender
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe -
Executes dropped EXE 1 IoCs
Processes:
IMDCSC.exepid process 2148 IMDCSC.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.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 48 IoCs
Processes:
982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exeIMDCSC.exedescription pid process Token: SeIncreaseQuotaPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeSecurityPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeTakeOwnershipPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeLoadDriverPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeSystemProfilePrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeSystemtimePrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeProfSingleProcessPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeIncBasePriorityPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeCreatePagefilePrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeBackupPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeRestorePrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeShutdownPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeDebugPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeSystemEnvironmentPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeChangeNotifyPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeRemoteShutdownPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeUndockPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeManageVolumePrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeImpersonatePrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeCreateGlobalPrivilege 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: 33 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: 34 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: 35 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: 36 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe Token: SeIncreaseQuotaPrivilege 2148 IMDCSC.exe Token: SeSecurityPrivilege 2148 IMDCSC.exe Token: SeTakeOwnershipPrivilege 2148 IMDCSC.exe Token: SeLoadDriverPrivilege 2148 IMDCSC.exe Token: SeSystemProfilePrivilege 2148 IMDCSC.exe Token: SeSystemtimePrivilege 2148 IMDCSC.exe Token: SeProfSingleProcessPrivilege 2148 IMDCSC.exe Token: SeIncBasePriorityPrivilege 2148 IMDCSC.exe Token: SeCreatePagefilePrivilege 2148 IMDCSC.exe Token: SeBackupPrivilege 2148 IMDCSC.exe Token: SeRestorePrivilege 2148 IMDCSC.exe Token: SeShutdownPrivilege 2148 IMDCSC.exe Token: SeDebugPrivilege 2148 IMDCSC.exe Token: SeSystemEnvironmentPrivilege 2148 IMDCSC.exe Token: SeChangeNotifyPrivilege 2148 IMDCSC.exe Token: SeRemoteShutdownPrivilege 2148 IMDCSC.exe Token: SeUndockPrivilege 2148 IMDCSC.exe Token: SeManageVolumePrivilege 2148 IMDCSC.exe Token: SeImpersonatePrivilege 2148 IMDCSC.exe Token: SeCreateGlobalPrivilege 2148 IMDCSC.exe Token: 33 2148 IMDCSC.exe Token: 34 2148 IMDCSC.exe Token: 35 2148 IMDCSC.exe Token: 36 2148 IMDCSC.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
IMDCSC.exepid process 2148 IMDCSC.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exedescription pid process target process PID 2256 wrote to memory of 2148 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe IMDCSC.exe PID 2256 wrote to memory of 2148 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe IMDCSC.exe PID 2256 wrote to memory of 2148 2256 982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe IMDCSC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe"C:\Users\Admin\AppData\Local\Temp\982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exeMD5
4630079ead115a182e9ee92fb7ff6850
SHA1f4479d7da9e10f40b7068ea9b27884e2e328eeca
SHA256982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531
SHA51210a52a0639eb8cbfb8e91209c6afa2a7040e6c61c61aca419990c5d69247912af6e988854f48fab32ca39234b3a75ce0a527a49b2e9ddb3de059469da7df177c
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C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exeMD5
4630079ead115a182e9ee92fb7ff6850
SHA1f4479d7da9e10f40b7068ea9b27884e2e328eeca
SHA256982f9d226cb265fc4e86a84ad3d02e29663d5e1fed9e8621a173651f40aff531
SHA51210a52a0639eb8cbfb8e91209c6afa2a7040e6c61c61aca419990c5d69247912af6e988854f48fab32ca39234b3a75ce0a527a49b2e9ddb3de059469da7df177c
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memory/2148-115-0x0000000000000000-mapping.dmp
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memory/2148-118-0x0000000000760000-0x0000000000761000-memory.dmpFilesize
4KB
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memory/2256-114-0x00000000020E0000-0x00000000020E1000-memory.dmpFilesize
4KB