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Analysis
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max time kernel
151s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 10:00
Behavioral task
behavioral1
Sample
9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Resource
win10v2004-20220901-en
General
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Target
9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
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Size
660KB
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MD5
9a18872af04f4363a3f4ee0defa11f7a
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SHA1
db898c1154c003f04b1a6016a60fbc1fe3a3b598
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SHA256
9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346
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SHA512
2564c14475e5922d30cbd5e0dd825ff0e11d5f466dd7d841d463ad92edea631b42c881980c0e54dfa706fe49de1823c29ae9e682aca264e8f9e801485a09909e
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SSDEEP
12288:QXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uj:2nAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jz
Malware Config
Extracted
darkcomet
Guest16_min
nkbh777.no-ip.biz:1604
DCMIN_MUTEX-EU7WNUQ
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InstallPath
DCSCMIN\IMDCSC.exe
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gencode
96uknNp9wUQe
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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
description 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" 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe -
Executes dropped EXE 1 IoCs
pid Process 1440 IMDCSC.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.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
description pid Process Token: SeIncreaseQuotaPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeSecurityPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeTakeOwnershipPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeLoadDriverPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeSystemProfilePrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeSystemtimePrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeProfSingleProcessPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeIncBasePriorityPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeCreatePagefilePrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeBackupPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeRestorePrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeShutdownPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeDebugPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeSystemEnvironmentPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeChangeNotifyPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeRemoteShutdownPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeUndockPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeManageVolumePrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeImpersonatePrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeCreateGlobalPrivilege 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: 33 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: 34 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: 35 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: 36 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe Token: SeIncreaseQuotaPrivilege 1440 IMDCSC.exe Token: SeSecurityPrivilege 1440 IMDCSC.exe Token: SeTakeOwnershipPrivilege 1440 IMDCSC.exe Token: SeLoadDriverPrivilege 1440 IMDCSC.exe Token: SeSystemProfilePrivilege 1440 IMDCSC.exe Token: SeSystemtimePrivilege 1440 IMDCSC.exe Token: SeProfSingleProcessPrivilege 1440 IMDCSC.exe Token: SeIncBasePriorityPrivilege 1440 IMDCSC.exe Token: SeCreatePagefilePrivilege 1440 IMDCSC.exe Token: SeBackupPrivilege 1440 IMDCSC.exe Token: SeRestorePrivilege 1440 IMDCSC.exe Token: SeShutdownPrivilege 1440 IMDCSC.exe Token: SeDebugPrivilege 1440 IMDCSC.exe Token: SeSystemEnvironmentPrivilege 1440 IMDCSC.exe Token: SeChangeNotifyPrivilege 1440 IMDCSC.exe Token: SeRemoteShutdownPrivilege 1440 IMDCSC.exe Token: SeUndockPrivilege 1440 IMDCSC.exe Token: SeManageVolumePrivilege 1440 IMDCSC.exe Token: SeImpersonatePrivilege 1440 IMDCSC.exe Token: SeCreateGlobalPrivilege 1440 IMDCSC.exe Token: 33 1440 IMDCSC.exe Token: 34 1440 IMDCSC.exe Token: 35 1440 IMDCSC.exe Token: 36 1440 IMDCSC.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1440 IMDCSC.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4952 wrote to memory of 1440 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe 81 PID 4952 wrote to memory of 1440 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe 81 PID 4952 wrote to memory of 1440 4952 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe"C:\Users\Admin\AppData\Local\Temp\9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4952 -
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
PID:1440
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
660KB
MD59a18872af04f4363a3f4ee0defa11f7a
SHA1db898c1154c003f04b1a6016a60fbc1fe3a3b598
SHA2569105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346
SHA5122564c14475e5922d30cbd5e0dd825ff0e11d5f466dd7d841d463ad92edea631b42c881980c0e54dfa706fe49de1823c29ae9e682aca264e8f9e801485a09909e
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Filesize
660KB
MD59a18872af04f4363a3f4ee0defa11f7a
SHA1db898c1154c003f04b1a6016a60fbc1fe3a3b598
SHA2569105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346
SHA5122564c14475e5922d30cbd5e0dd825ff0e11d5f466dd7d841d463ad92edea631b42c881980c0e54dfa706fe49de1823c29ae9e682aca264e8f9e801485a09909e