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Analysis
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max time kernel
120s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08/01/2025, 20:20
Behavioral task
behavioral1
Sample
5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe
Resource
win7-20240903-en
General
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Target
5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe
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Size
283KB
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MD5
6c34fdea65a4058dd18567b20209b950
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SHA1
a7d7d0e2876dfce3b96b47e74b4699fbd6bb3bec
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SHA256
5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551
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SHA512
ae3bb1a0640d9641a545bc3d0c44388ce213f5049e1a896cf7e0b6fa1a8da755a9da7dc6dc29d294f4a4fdb9e907959cf0cb2fa104d08eac6c79915c87c7528d
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SSDEEP
6144:ycNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37hjW:ycW7KEZlPzCy37hjW
Malware Config
Extracted
darkcomet
tio
2.82.41.139:80
DC_MUTEX-277EST2
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InstallPath
MSDCSC\msdcsc.exe
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gencode
EnEvlyl9AxvG
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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
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:\\Windows\\MSDCSC\\msdcsc.exe" 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe -
Modifies firewall policy service 3 TTPs 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msdcsc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile iexplore.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" iexplore.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" iexplore.exe -
Modifies security service 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" iexplore.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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" iexplore.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe -
Executes dropped EXE 1 IoCs
pid Process 4856 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 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe" 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4856 set thread context of 5012 4856 msdcsc.exe 83 -
resource yara_rule behavioral2/memory/4496-0-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/files/0x0008000000023c7f-6.dat upx behavioral2/memory/4856-62-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/memory/5012-64-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/memory/4856-66-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/memory/4496-68-0x0000000000400000-0x00000000004C7000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\MSDCSC\msdcsc.exe 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe File opened for modification C:\Windows\MSDCSC\msdcsc.exe 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe File opened for modification C:\Windows\MSDCSC\ 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe -
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 4 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 notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5012 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeSecurityPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeTakeOwnershipPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeLoadDriverPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeSystemProfilePrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeSystemtimePrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeProfSingleProcessPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeIncBasePriorityPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeCreatePagefilePrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeBackupPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeRestorePrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeShutdownPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeDebugPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeSystemEnvironmentPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeChangeNotifyPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeRemoteShutdownPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeUndockPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeManageVolumePrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeImpersonatePrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeCreateGlobalPrivilege 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: 33 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: 34 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: 35 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: 36 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe Token: SeIncreaseQuotaPrivilege 4856 msdcsc.exe Token: SeSecurityPrivilege 4856 msdcsc.exe Token: SeTakeOwnershipPrivilege 4856 msdcsc.exe Token: SeLoadDriverPrivilege 4856 msdcsc.exe Token: SeSystemProfilePrivilege 4856 msdcsc.exe Token: SeSystemtimePrivilege 4856 msdcsc.exe Token: SeProfSingleProcessPrivilege 4856 msdcsc.exe Token: SeIncBasePriorityPrivilege 4856 msdcsc.exe Token: SeCreatePagefilePrivilege 4856 msdcsc.exe Token: SeBackupPrivilege 4856 msdcsc.exe Token: SeRestorePrivilege 4856 msdcsc.exe Token: SeShutdownPrivilege 4856 msdcsc.exe Token: SeDebugPrivilege 4856 msdcsc.exe Token: SeSystemEnvironmentPrivilege 4856 msdcsc.exe Token: SeChangeNotifyPrivilege 4856 msdcsc.exe Token: SeRemoteShutdownPrivilege 4856 msdcsc.exe Token: SeUndockPrivilege 4856 msdcsc.exe Token: SeManageVolumePrivilege 4856 msdcsc.exe Token: SeImpersonatePrivilege 4856 msdcsc.exe Token: SeCreateGlobalPrivilege 4856 msdcsc.exe Token: 33 4856 msdcsc.exe Token: 34 4856 msdcsc.exe Token: 35 4856 msdcsc.exe Token: 36 4856 msdcsc.exe Token: SeIncreaseQuotaPrivilege 5012 iexplore.exe Token: SeSecurityPrivilege 5012 iexplore.exe Token: SeTakeOwnershipPrivilege 5012 iexplore.exe Token: SeLoadDriverPrivilege 5012 iexplore.exe Token: SeSystemProfilePrivilege 5012 iexplore.exe Token: SeSystemtimePrivilege 5012 iexplore.exe Token: SeProfSingleProcessPrivilege 5012 iexplore.exe Token: SeIncBasePriorityPrivilege 5012 iexplore.exe Token: SeCreatePagefilePrivilege 5012 iexplore.exe Token: SeBackupPrivilege 5012 iexplore.exe Token: SeRestorePrivilege 5012 iexplore.exe Token: SeShutdownPrivilege 5012 iexplore.exe Token: SeDebugPrivilege 5012 iexplore.exe Token: SeSystemEnvironmentPrivilege 5012 iexplore.exe Token: SeChangeNotifyPrivilege 5012 iexplore.exe Token: SeRemoteShutdownPrivilege 5012 iexplore.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5012 iexplore.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 4496 wrote to memory of 4856 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe 82 PID 4496 wrote to memory of 4856 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe 82 PID 4496 wrote to memory of 4856 4496 5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe 82 PID 4856 wrote to memory of 5012 4856 msdcsc.exe 83 PID 4856 wrote to memory of 5012 4856 msdcsc.exe 83 PID 4856 wrote to memory of 5012 4856 msdcsc.exe 83 PID 4856 wrote to memory of 5012 4856 msdcsc.exe 83 PID 4856 wrote to memory of 5012 4856 msdcsc.exe 83 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 PID 5012 wrote to memory of 2692 5012 iexplore.exe 84 -
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
Processes
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C:\Users\Admin\AppData\Local\Temp\5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe"C:\Users\Admin\AppData\Local\Temp\5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551N.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4496 -
C:\Windows\MSDCSC\msdcsc.exe"C:\Windows\MSDCSC\msdcsc.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4856 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5012 -
C:\Windows\SysWOW64\notepad.exenotepad4⤵
- System Location Discovery: System Language Discovery
PID:2692
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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
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7Replay Monitor
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Downloads
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Filesize
283KB
MD56c34fdea65a4058dd18567b20209b950
SHA1a7d7d0e2876dfce3b96b47e74b4699fbd6bb3bec
SHA2565063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551
SHA512ae3bb1a0640d9641a545bc3d0c44388ce213f5049e1a896cf7e0b6fa1a8da755a9da7dc6dc29d294f4a4fdb9e907959cf0cb2fa104d08eac6c79915c87c7528d