Analysis
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max time kernel
120s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-01-2025 14:13
Static task
static1
Behavioral task
behavioral1
Sample
540614de632096048ee54364395b33ac0dc2043d73a19e5cbfc66c0da85cb276N.exe
Resource
win7-20240708-en
General
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Target
540614de632096048ee54364395b33ac0dc2043d73a19e5cbfc66c0da85cb276N.exe
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Size
1013KB
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MD5
6e0fbeb3024f048d4af3c94ea6e01570
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SHA1
875d112d7d0d998ac0e02dac63308a51daacca5d
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SHA256
540614de632096048ee54364395b33ac0dc2043d73a19e5cbfc66c0da85cb276
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SHA512
87cd3ad011076ec4f3e6308b1bbfca7c5a21b662a3b16e766cb91c227f624fcf8258c403fa790c7bd39aec0733fdd7fdcf68fcc821be73d5fab4867479c0fb01
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SSDEEP
24576:64+HowUbJRS1/asWRMar5fHQ4VNQT3F9qVesoLl:64+Iw1eRLhjYbDqVRoR
Malware Config
Extracted
darkcomet
HaCkEd
spyhacker.zapto.org:3070
DC_MUTEX-D8DFF0W
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InstallPath
MSDCSC\msdcsc.exe
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gencode
ZCLBnAz03c07
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
MicroUpdate
Signatures
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Darkcomet family
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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\\MSDCSC\\msdcsc.exe" 2.exe -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 852 attrib.exe 2788 attrib.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 540614de632096048ee54364395b33ac0dc2043d73a19e5cbfc66c0da85cb276N.exe Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 2.exe -
Executes dropped EXE 4 IoCs
pid Process 5008 2.exe 2480 2.exe 5004 msdcsc.exe 4292 msdcsc.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" 2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" msdcsc.exe -
AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/5008-16-0x0000000000400000-0x00000000004BE000-memory.dmp autoit_exe behavioral2/memory/5004-84-0x0000000000400000-0x00000000004BE000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5008 set thread context of 2480 5008 2.exe 87 PID 5004 set thread context of 4292 5004 msdcsc.exe 103 -
resource yara_rule behavioral2/files/0x000a000000023bac-7.dat upx behavioral2/memory/5008-8-0x0000000000400000-0x00000000004BE000-memory.dmp upx behavioral2/memory/5008-16-0x0000000000400000-0x00000000004BE000-memory.dmp upx behavioral2/memory/5004-84-0x0000000000400000-0x00000000004BE000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 12 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 540614de632096048ee54364395b33ac0dc2043d73a19e5cbfc66c0da85cb276N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 2.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4292 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2480 2.exe Token: SeSecurityPrivilege 2480 2.exe Token: SeTakeOwnershipPrivilege 2480 2.exe Token: SeLoadDriverPrivilege 2480 2.exe Token: SeSystemProfilePrivilege 2480 2.exe Token: SeSystemtimePrivilege 2480 2.exe Token: SeProfSingleProcessPrivilege 2480 2.exe Token: SeIncBasePriorityPrivilege 2480 2.exe Token: SeCreatePagefilePrivilege 2480 2.exe Token: SeBackupPrivilege 2480 2.exe Token: SeRestorePrivilege 2480 2.exe Token: SeShutdownPrivilege 2480 2.exe Token: SeDebugPrivilege 2480 2.exe Token: SeSystemEnvironmentPrivilege 2480 2.exe Token: SeChangeNotifyPrivilege 2480 2.exe Token: SeRemoteShutdownPrivilege 2480 2.exe Token: SeUndockPrivilege 2480 2.exe Token: SeManageVolumePrivilege 2480 2.exe Token: SeImpersonatePrivilege 2480 2.exe Token: SeCreateGlobalPrivilege 2480 2.exe Token: 33 2480 2.exe Token: 34 2480 2.exe Token: 35 2480 2.exe Token: 36 2480 2.exe Token: SeIncreaseQuotaPrivilege 4292 msdcsc.exe Token: SeSecurityPrivilege 4292 msdcsc.exe Token: SeTakeOwnershipPrivilege 4292 msdcsc.exe Token: SeLoadDriverPrivilege 4292 msdcsc.exe Token: SeSystemProfilePrivilege 4292 msdcsc.exe Token: SeSystemtimePrivilege 4292 msdcsc.exe Token: SeProfSingleProcessPrivilege 4292 msdcsc.exe Token: SeIncBasePriorityPrivilege 4292 msdcsc.exe Token: SeCreatePagefilePrivilege 4292 msdcsc.exe Token: SeBackupPrivilege 4292 msdcsc.exe Token: SeRestorePrivilege 4292 msdcsc.exe Token: SeShutdownPrivilege 4292 msdcsc.exe Token: SeDebugPrivilege 4292 msdcsc.exe Token: SeSystemEnvironmentPrivilege 4292 msdcsc.exe Token: SeChangeNotifyPrivilege 4292 msdcsc.exe Token: SeRemoteShutdownPrivilege 4292 msdcsc.exe Token: SeUndockPrivilege 4292 msdcsc.exe Token: SeManageVolumePrivilege 4292 msdcsc.exe Token: SeImpersonatePrivilege 4292 msdcsc.exe Token: SeCreateGlobalPrivilege 4292 msdcsc.exe Token: 33 4292 msdcsc.exe Token: 34 4292 msdcsc.exe Token: 35 4292 msdcsc.exe Token: 36 4292 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4292 msdcsc.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4176 wrote to memory of 3280 4176 540614de632096048ee54364395b33ac0dc2043d73a19e5cbfc66c0da85cb276N.exe 83 PID 4176 wrote to memory of 3280 4176 540614de632096048ee54364395b33ac0dc2043d73a19e5cbfc66c0da85cb276N.exe 83 PID 4176 wrote to memory of 3280 4176 540614de632096048ee54364395b33ac0dc2043d73a19e5cbfc66c0da85cb276N.exe 83 PID 3280 wrote to memory of 5008 3280 cmd.exe 86 PID 3280 wrote to memory of 5008 3280 cmd.exe 86 PID 3280 wrote to memory of 5008 3280 cmd.exe 86 PID 5008 wrote to memory of 2480 5008 2.exe 87 PID 5008 wrote to memory of 2480 5008 2.exe 87 PID 5008 wrote to memory of 2480 5008 2.exe 87 PID 5008 wrote to memory of 2480 5008 2.exe 87 PID 5008 wrote to memory of 2480 5008 2.exe 87 PID 5008 wrote to memory of 2480 5008 2.exe 87 PID 5008 wrote to memory of 2480 5008 2.exe 87 PID 5008 wrote to memory of 2480 5008 2.exe 87 PID 5008 wrote to memory of 2480 5008 2.exe 87 PID 5008 wrote to memory of 2480 5008 2.exe 87 PID 5008 wrote to memory of 2480 5008 2.exe 87 PID 2480 wrote to memory of 4204 2480 2.exe 95 PID 2480 wrote to memory of 4204 2480 2.exe 95 PID 2480 wrote to memory of 4204 2480 2.exe 95 PID 2480 wrote to memory of 3728 2480 2.exe 97 PID 2480 wrote to memory of 3728 2480 2.exe 97 PID 2480 wrote to memory of 3728 2480 2.exe 97 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 2480 wrote to memory of 4972 2480 2.exe 98 PID 4204 wrote to memory of 852 4204 cmd.exe 100 PID 4204 wrote to memory of 852 4204 cmd.exe 100 PID 4204 wrote to memory of 852 4204 cmd.exe 100 PID 3728 wrote to memory of 2788 3728 cmd.exe 101 PID 3728 wrote to memory of 2788 3728 cmd.exe 101 PID 3728 wrote to memory of 2788 3728 cmd.exe 101 PID 2480 wrote to memory of 5004 2480 2.exe 102 PID 2480 wrote to memory of 5004 2480 2.exe 102 PID 2480 wrote to memory of 5004 2480 2.exe 102 PID 5004 wrote to memory of 4292 5004 msdcsc.exe 103 PID 5004 wrote to memory of 4292 5004 msdcsc.exe 103 PID 5004 wrote to memory of 4292 5004 msdcsc.exe 103 PID 5004 wrote to memory of 4292 5004 msdcsc.exe 103 PID 5004 wrote to memory of 4292 5004 msdcsc.exe 103 PID 5004 wrote to memory of 4292 5004 msdcsc.exe 103 PID 5004 wrote to memory of 4292 5004 msdcsc.exe 103 PID 5004 wrote to memory of 4292 5004 msdcsc.exe 103 PID 5004 wrote to memory of 4292 5004 msdcsc.exe 103 PID 5004 wrote to memory of 4292 5004 msdcsc.exe 103 PID 5004 wrote to memory of 4292 5004 msdcsc.exe 103 PID 4292 wrote to memory of 1108 4292 msdcsc.exe 104 PID 4292 wrote to memory of 1108 4292 msdcsc.exe 104 PID 4292 wrote to memory of 1108 4292 msdcsc.exe 104 PID 4292 wrote to memory of 1108 4292 msdcsc.exe 104 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion msdcsc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" msdcsc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 852 attrib.exe 2788 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\540614de632096048ee54364395b33ac0dc2043d73a19e5cbfc66c0da85cb276N.exe"C:\Users\Admin\AppData\Local\Temp\540614de632096048ee54364395b33ac0dc2043d73a19e5cbfc66c0da85cb276N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4176 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ztmp\t29735.bat" "C:\Users\Admin\AppData\Local\Temp\540614de632096048ee54364395b33ac0dc2043d73a19e5cbfc66c0da85cb276N.exe" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3280 -
C:\Users\Admin\AppData\Local\Temp\afolder\2.exe2.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5008 -
C:\Users\Admin\AppData\Local\Temp\afolder\2.exe"C:\Users\Admin\AppData\Local\Temp\afolder\2.exe"4⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\afolder\2.exe" +s +h5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\afolder\2.exe" +s +h6⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:852
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\afolder" +s +h5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3728 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\afolder" +s +h6⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2788
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C:\Windows\SysWOW64\notepad.exenotepad5⤵
- System Location Discovery: System Language Discovery
PID:4972
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5004 -
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"6⤵
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4292 -
C:\Windows\SysWOW64\notepad.exenotepad7⤵
- System Location Discovery: System Language Discovery
PID:1108
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
2Disable or Modify Tools
2Modify Registry
6Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
952KB
MD5ec8975dd5daea4db3f8424efa79c349c
SHA16dc1a6270441da7c66fe10af5f7c7e2cac0fbbdd
SHA2560e75cd9e4d50077a65dadd05183af11f4c753ef0addf45fef58b58e0642de574
SHA512ecb0984eea29afbe5dbcdba940b051afe3ca7e67cb0364c1b6b49e9e0f4a392d1cd276f61ac04e2f2966d7fa3af8a41116b8b8c316d3629614043085f97cb459
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Filesize
205B
MD5fafdc86a7ff9b50375a24da6ceffa80d
SHA1bb7b71d0b89dcfbd95be5faa2a87dfb1a967711b
SHA25683eb539b013ede01aa9accf359cec760a322c2e73e77be63f5ce22d91749935f
SHA512e5572698f03190d229b12308dd77e7ad8b40e8303bc6ddb64bc6db478ea041a6ec4e91acfa6d2da00537389b70a212c70a0607af25aa444ac5b9f692c844b94d