Analysis
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max time kernel
49s -
max time network
125s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
14-09-2021 06:37
Static task
static1
Behavioral task
behavioral1
Sample
f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe
Resource
win7-en
Behavioral task
behavioral2
Sample
f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe
Resource
win10v20210408
General
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Target
f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe
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Size
658KB
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MD5
68e3236ee4103ea6cba4751b825a3c2e
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SHA1
7f0cb24a9b88e0e7f226c5adebc8185a807524f6
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SHA256
f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d
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SHA512
0537e1c7656dca8d408d62711f6ad43fe7ea53d450d1b9149432bc5afc8eff8acc87e5d5c359940dc62236d8e7f1c4653358ba5d39b35c7d9778a815ffe60fb8
Malware Config
Extracted
darkcomet
Guest16_min
127.0.0.1:8857
DCMIN_MUTEX-JF3T38N
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InstallPath
DCSCMIN\IMDCSC.exe
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gencode
KPzexKwf0npz
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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
DarkComet RAT
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.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" f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe -
Executes dropped EXE 1 IoCs
Processes:
IMDCSC.exepid process 1008 IMDCSC.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.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:
f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exeIMDCSC.exedescription pid process Token: SeIncreaseQuotaPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeSecurityPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeTakeOwnershipPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeLoadDriverPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeSystemProfilePrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeSystemtimePrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeProfSingleProcessPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeIncBasePriorityPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeCreatePagefilePrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeBackupPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeRestorePrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeShutdownPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeDebugPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeSystemEnvironmentPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeChangeNotifyPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeRemoteShutdownPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeUndockPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeManageVolumePrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeImpersonatePrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeCreateGlobalPrivilege 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: 33 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: 34 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: 35 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: 36 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeIncreaseQuotaPrivilege 1008 IMDCSC.exe Token: SeSecurityPrivilege 1008 IMDCSC.exe Token: SeTakeOwnershipPrivilege 1008 IMDCSC.exe Token: SeLoadDriverPrivilege 1008 IMDCSC.exe Token: SeSystemProfilePrivilege 1008 IMDCSC.exe Token: SeSystemtimePrivilege 1008 IMDCSC.exe Token: SeProfSingleProcessPrivilege 1008 IMDCSC.exe Token: SeIncBasePriorityPrivilege 1008 IMDCSC.exe Token: SeCreatePagefilePrivilege 1008 IMDCSC.exe Token: SeBackupPrivilege 1008 IMDCSC.exe Token: SeRestorePrivilege 1008 IMDCSC.exe Token: SeShutdownPrivilege 1008 IMDCSC.exe Token: SeDebugPrivilege 1008 IMDCSC.exe Token: SeSystemEnvironmentPrivilege 1008 IMDCSC.exe Token: SeChangeNotifyPrivilege 1008 IMDCSC.exe Token: SeRemoteShutdownPrivilege 1008 IMDCSC.exe Token: SeUndockPrivilege 1008 IMDCSC.exe Token: SeManageVolumePrivilege 1008 IMDCSC.exe Token: SeImpersonatePrivilege 1008 IMDCSC.exe Token: SeCreateGlobalPrivilege 1008 IMDCSC.exe Token: 33 1008 IMDCSC.exe Token: 34 1008 IMDCSC.exe Token: 35 1008 IMDCSC.exe Token: 36 1008 IMDCSC.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
IMDCSC.exepid process 1008 IMDCSC.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exedescription pid process target process PID 636 wrote to memory of 1008 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe IMDCSC.exe PID 636 wrote to memory of 1008 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe IMDCSC.exe PID 636 wrote to memory of 1008 636 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe IMDCSC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe"C:\Users\Admin\AppData\Local\Temp\f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.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
68e3236ee4103ea6cba4751b825a3c2e
SHA17f0cb24a9b88e0e7f226c5adebc8185a807524f6
SHA256f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d
SHA5120537e1c7656dca8d408d62711f6ad43fe7ea53d450d1b9149432bc5afc8eff8acc87e5d5c359940dc62236d8e7f1c4653358ba5d39b35c7d9778a815ffe60fb8
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C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exeMD5
68e3236ee4103ea6cba4751b825a3c2e
SHA17f0cb24a9b88e0e7f226c5adebc8185a807524f6
SHA256f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d
SHA5120537e1c7656dca8d408d62711f6ad43fe7ea53d450d1b9149432bc5afc8eff8acc87e5d5c359940dc62236d8e7f1c4653358ba5d39b35c7d9778a815ffe60fb8
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memory/636-114-0x0000000002220000-0x0000000002221000-memory.dmpFilesize
4KB
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memory/1008-115-0x0000000000000000-mapping.dmp
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memory/1008-118-0x0000000000740000-0x0000000000741000-memory.dmpFilesize
4KB