Analysis
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max time kernel
165s -
max time network
138s -
platform
windows7_x64 -
resource
win7-en -
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 1716 IMDCSC.exe -
Loads dropped DLL 2 IoCs
Processes:
f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exepid process 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1669990088-476967504-438132596-1000\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 46 IoCs
Processes:
f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exeIMDCSC.exedescription pid process Token: SeIncreaseQuotaPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeSecurityPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeTakeOwnershipPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeLoadDriverPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeSystemProfilePrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeSystemtimePrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeProfSingleProcessPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeIncBasePriorityPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeCreatePagefilePrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeBackupPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeRestorePrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeShutdownPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeDebugPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeSystemEnvironmentPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeChangeNotifyPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeRemoteShutdownPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeUndockPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeManageVolumePrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeImpersonatePrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeCreateGlobalPrivilege 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: 33 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: 34 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: 35 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe Token: SeIncreaseQuotaPrivilege 1716 IMDCSC.exe Token: SeSecurityPrivilege 1716 IMDCSC.exe Token: SeTakeOwnershipPrivilege 1716 IMDCSC.exe Token: SeLoadDriverPrivilege 1716 IMDCSC.exe Token: SeSystemProfilePrivilege 1716 IMDCSC.exe Token: SeSystemtimePrivilege 1716 IMDCSC.exe Token: SeProfSingleProcessPrivilege 1716 IMDCSC.exe Token: SeIncBasePriorityPrivilege 1716 IMDCSC.exe Token: SeCreatePagefilePrivilege 1716 IMDCSC.exe Token: SeBackupPrivilege 1716 IMDCSC.exe Token: SeRestorePrivilege 1716 IMDCSC.exe Token: SeShutdownPrivilege 1716 IMDCSC.exe Token: SeDebugPrivilege 1716 IMDCSC.exe Token: SeSystemEnvironmentPrivilege 1716 IMDCSC.exe Token: SeChangeNotifyPrivilege 1716 IMDCSC.exe Token: SeRemoteShutdownPrivilege 1716 IMDCSC.exe Token: SeUndockPrivilege 1716 IMDCSC.exe Token: SeManageVolumePrivilege 1716 IMDCSC.exe Token: SeImpersonatePrivilege 1716 IMDCSC.exe Token: SeCreateGlobalPrivilege 1716 IMDCSC.exe Token: 33 1716 IMDCSC.exe Token: 34 1716 IMDCSC.exe Token: 35 1716 IMDCSC.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
IMDCSC.exepid process 1716 IMDCSC.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exedescription pid process target process PID 1352 wrote to memory of 1716 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe IMDCSC.exe PID 1352 wrote to memory of 1716 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe IMDCSC.exe PID 1352 wrote to memory of 1716 1352 f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d.exe IMDCSC.exe PID 1352 wrote to memory of 1716 1352 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
- Loads dropped DLL
- 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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\Users\Admin\Documents\DCSCMIN\IMDCSC.exeMD5
68e3236ee4103ea6cba4751b825a3c2e
SHA17f0cb24a9b88e0e7f226c5adebc8185a807524f6
SHA256f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d
SHA5120537e1c7656dca8d408d62711f6ad43fe7ea53d450d1b9149432bc5afc8eff8acc87e5d5c359940dc62236d8e7f1c4653358ba5d39b35c7d9778a815ffe60fb8
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\Users\Admin\Documents\DCSCMIN\IMDCSC.exeMD5
68e3236ee4103ea6cba4751b825a3c2e
SHA17f0cb24a9b88e0e7f226c5adebc8185a807524f6
SHA256f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d
SHA5120537e1c7656dca8d408d62711f6ad43fe7ea53d450d1b9149432bc5afc8eff8acc87e5d5c359940dc62236d8e7f1c4653358ba5d39b35c7d9778a815ffe60fb8
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memory/1352-53-0x00000000760A1000-0x00000000760A3000-memory.dmpFilesize
8KB
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memory/1352-60-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1716-56-0x0000000000000000-mapping.dmp
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memory/1716-61-0x00000000003C0000-0x00000000003C1000-memory.dmpFilesize
4KB