Analysis
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max time kernel
140s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 23:03
Behavioral task
behavioral1
Sample
13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe
Resource
win10v2004-20221111-en
General
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Target
13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe
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Size
658KB
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MD5
00af39b462c2f465725866dc7cea198e
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SHA1
868f6ed44da9171317e69649d3d4624e5578074f
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SHA256
13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62
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SHA512
bd76fa132692c7008e41cd4f90ff133a09800b833e20a7edc317e4227b999b9ae02118c1104a283be0f03b2cc36d39e3958c69e1bf7de6863229234fa6cf453c
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SSDEEP
12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hf:eZ1xuVVjfFoynPaVBUR8f+kN10EB9
Malware Config
Extracted
darkcomet
notepad
narcotraf.mooo.com:1313
DCMIN_MUTEX-3YC9AYX
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InstallPath
DCSCMIN\IMDCSC.exe
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gencode
w65vCHHgcD65
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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:
13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.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" 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe -
Executes dropped EXE 1 IoCs
Processes:
IMDCSC.exepid process 4392 IMDCSC.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.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:
13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exeIMDCSC.exedescription pid process Token: SeIncreaseQuotaPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeSecurityPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeTakeOwnershipPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeLoadDriverPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeSystemProfilePrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeSystemtimePrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeProfSingleProcessPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeIncBasePriorityPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeCreatePagefilePrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeBackupPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeRestorePrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeShutdownPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeDebugPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeSystemEnvironmentPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeChangeNotifyPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeRemoteShutdownPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeUndockPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeManageVolumePrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeImpersonatePrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeCreateGlobalPrivilege 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: 33 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: 34 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: 35 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: 36 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe Token: SeIncreaseQuotaPrivilege 4392 IMDCSC.exe Token: SeSecurityPrivilege 4392 IMDCSC.exe Token: SeTakeOwnershipPrivilege 4392 IMDCSC.exe Token: SeLoadDriverPrivilege 4392 IMDCSC.exe Token: SeSystemProfilePrivilege 4392 IMDCSC.exe Token: SeSystemtimePrivilege 4392 IMDCSC.exe Token: SeProfSingleProcessPrivilege 4392 IMDCSC.exe Token: SeIncBasePriorityPrivilege 4392 IMDCSC.exe Token: SeCreatePagefilePrivilege 4392 IMDCSC.exe Token: SeBackupPrivilege 4392 IMDCSC.exe Token: SeRestorePrivilege 4392 IMDCSC.exe Token: SeShutdownPrivilege 4392 IMDCSC.exe Token: SeDebugPrivilege 4392 IMDCSC.exe Token: SeSystemEnvironmentPrivilege 4392 IMDCSC.exe Token: SeChangeNotifyPrivilege 4392 IMDCSC.exe Token: SeRemoteShutdownPrivilege 4392 IMDCSC.exe Token: SeUndockPrivilege 4392 IMDCSC.exe Token: SeManageVolumePrivilege 4392 IMDCSC.exe Token: SeImpersonatePrivilege 4392 IMDCSC.exe Token: SeCreateGlobalPrivilege 4392 IMDCSC.exe Token: 33 4392 IMDCSC.exe Token: 34 4392 IMDCSC.exe Token: 35 4392 IMDCSC.exe Token: 36 4392 IMDCSC.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
IMDCSC.exepid process 4392 IMDCSC.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exedescription pid process target process PID 3792 wrote to memory of 4392 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe IMDCSC.exe PID 3792 wrote to memory of 4392 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe IMDCSC.exe PID 3792 wrote to memory of 4392 3792 13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe IMDCSC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe"C:\Users\Admin\AppData\Local\Temp\13c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- 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.exeFilesize
658KB
MD500af39b462c2f465725866dc7cea198e
SHA1868f6ed44da9171317e69649d3d4624e5578074f
SHA25613c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62
SHA512bd76fa132692c7008e41cd4f90ff133a09800b833e20a7edc317e4227b999b9ae02118c1104a283be0f03b2cc36d39e3958c69e1bf7de6863229234fa6cf453c
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C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exeFilesize
658KB
MD500af39b462c2f465725866dc7cea198e
SHA1868f6ed44da9171317e69649d3d4624e5578074f
SHA25613c87ec5cdd4bde216f82669472b2a079ed5145a3b09527b57fb0a1b76b6bb62
SHA512bd76fa132692c7008e41cd4f90ff133a09800b833e20a7edc317e4227b999b9ae02118c1104a283be0f03b2cc36d39e3958c69e1bf7de6863229234fa6cf453c
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memory/4392-132-0x0000000000000000-mapping.dmp