Analysis
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max time kernel
22s -
max time network
26s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
02-11-2024 16:06
Static task
static1
3 signatures
General
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Target
8640a191e4eacd387fb6d21147db6a70_JaffaCakes118.exe
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Size
1.6MB
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MD5
8640a191e4eacd387fb6d21147db6a70
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SHA1
af9601ea153a88c6643762f18eff7725eacd5a2c
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SHA256
6545caa168c35ad901f0741c4f8cd34c37198f671b5a36fd71e30d4b42d412d3
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SHA512
2114d40700da138790e8cae3156fef11c8fc74832508618a6fb8c0e7f2b9b193090401dbf57748289732c639d7a96d64925fa803071d2c63942dcfb36960a1af
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SSDEEP
24576:TaHMv6CorjqnyC88lDVSNM+pZpMaSQzflH/5VABj1gkV1bGFsYnqI8i:T1vqjdC8GD2oezfmRgmqqYnqIN
Malware Config
Extracted
Family
darkcomet
Botnet
Guest16
C2
192.168.2.109:1604
87.168.62.25:1604
Mutex
DC_MUTEX-9AR1J0Z
Attributes
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InstallPath
MSDCSC\msdcsc.exe
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gencode
q9dlJD4B3CF6
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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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" uncrypted.exe -
Modifies firewall policy service 3 TTPs 3 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 -
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 -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3785588363-1079601362-4184885025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.exe -
Disables Task Manager via registry modification
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Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 5020 attrib.exe 5000 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-1-5-21-3785588363-1079601362-4184885025-1000\Control Panel\International\Geo\Nation uncrypted.exe Key value queried \REGISTRY\USER\S-1-5-21-3785588363-1079601362-4184885025-1000\Control Panel\International\Geo\Nation 8640a191e4eacd387fb6d21147db6a70_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
pid Process 4784 uncrypted.exe 2016 msdcsc.exe -
description ioc Process 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" msdcsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3785588363-1079601362-4184885025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" uncrypted.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/3520-0-0x0000000000400000-0x000000000050C000-memory.dmp autoit_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 8 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 attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8640a191e4eacd387fb6d21147db6a70_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language uncrypted.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 cmd.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4784 uncrypted.exe Token: SeSecurityPrivilege 4784 uncrypted.exe Token: SeTakeOwnershipPrivilege 4784 uncrypted.exe Token: SeLoadDriverPrivilege 4784 uncrypted.exe Token: SeSystemProfilePrivilege 4784 uncrypted.exe Token: SeSystemtimePrivilege 4784 uncrypted.exe Token: SeProfSingleProcessPrivilege 4784 uncrypted.exe Token: SeIncBasePriorityPrivilege 4784 uncrypted.exe Token: SeCreatePagefilePrivilege 4784 uncrypted.exe Token: SeBackupPrivilege 4784 uncrypted.exe Token: SeRestorePrivilege 4784 uncrypted.exe Token: SeShutdownPrivilege 4784 uncrypted.exe Token: SeDebugPrivilege 4784 uncrypted.exe Token: SeSystemEnvironmentPrivilege 4784 uncrypted.exe Token: SeChangeNotifyPrivilege 4784 uncrypted.exe Token: SeRemoteShutdownPrivilege 4784 uncrypted.exe Token: SeUndockPrivilege 4784 uncrypted.exe Token: SeManageVolumePrivilege 4784 uncrypted.exe Token: SeImpersonatePrivilege 4784 uncrypted.exe Token: SeCreateGlobalPrivilege 4784 uncrypted.exe Token: 33 4784 uncrypted.exe Token: 34 4784 uncrypted.exe Token: 35 4784 uncrypted.exe Token: 36 4784 uncrypted.exe Token: SeIncreaseQuotaPrivilege 2016 msdcsc.exe Token: SeSecurityPrivilege 2016 msdcsc.exe Token: SeTakeOwnershipPrivilege 2016 msdcsc.exe Token: SeLoadDriverPrivilege 2016 msdcsc.exe Token: SeSystemProfilePrivilege 2016 msdcsc.exe Token: SeSystemtimePrivilege 2016 msdcsc.exe Token: SeProfSingleProcessPrivilege 2016 msdcsc.exe Token: SeIncBasePriorityPrivilege 2016 msdcsc.exe Token: SeCreatePagefilePrivilege 2016 msdcsc.exe Token: SeBackupPrivilege 2016 msdcsc.exe Token: SeRestorePrivilege 2016 msdcsc.exe Token: SeShutdownPrivilege 2016 msdcsc.exe Token: SeDebugPrivilege 2016 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2016 msdcsc.exe Token: SeChangeNotifyPrivilege 2016 msdcsc.exe Token: SeRemoteShutdownPrivilege 2016 msdcsc.exe Token: SeUndockPrivilege 2016 msdcsc.exe Token: SeManageVolumePrivilege 2016 msdcsc.exe Token: SeImpersonatePrivilege 2016 msdcsc.exe Token: SeCreateGlobalPrivilege 2016 msdcsc.exe Token: 33 2016 msdcsc.exe Token: 34 2016 msdcsc.exe Token: 35 2016 msdcsc.exe Token: 36 2016 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2016 msdcsc.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 3520 wrote to memory of 4784 3520 8640a191e4eacd387fb6d21147db6a70_JaffaCakes118.exe 81 PID 3520 wrote to memory of 4784 3520 8640a191e4eacd387fb6d21147db6a70_JaffaCakes118.exe 81 PID 3520 wrote to memory of 4784 3520 8640a191e4eacd387fb6d21147db6a70_JaffaCakes118.exe 81 PID 4784 wrote to memory of 4404 4784 uncrypted.exe 88 PID 4784 wrote to memory of 4404 4784 uncrypted.exe 88 PID 4784 wrote to memory of 4404 4784 uncrypted.exe 88 PID 4784 wrote to memory of 2644 4784 uncrypted.exe 90 PID 4784 wrote to memory of 2644 4784 uncrypted.exe 90 PID 4784 wrote to memory of 2644 4784 uncrypted.exe 90 PID 4784 wrote to memory of 2016 4784 uncrypted.exe 92 PID 4784 wrote to memory of 2016 4784 uncrypted.exe 92 PID 4784 wrote to memory of 2016 4784 uncrypted.exe 92 PID 4404 wrote to memory of 5020 4404 cmd.exe 93 PID 4404 wrote to memory of 5020 4404 cmd.exe 93 PID 4404 wrote to memory of 5020 4404 cmd.exe 93 PID 2644 wrote to memory of 5000 2644 cmd.exe 95 PID 2644 wrote to memory of 5000 2644 cmd.exe 95 PID 2644 wrote to memory of 5000 2644 cmd.exe 95 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 PID 2016 wrote to memory of 2492 2016 msdcsc.exe 94 -
System policy modification 1 TTPs 3 IoCs
description ioc Process 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 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion msdcsc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 5020 attrib.exe 5000 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8640a191e4eacd387fb6d21147db6a70_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8640a191e4eacd387fb6d21147db6a70_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3520 -
C:\Users\Admin\AppData\Local\Temp\uncrypted.exe"C:\Users\Admin\AppData\Local\Temp\uncrypted.exe"2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\uncrypted.exe" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4404 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\uncrypted.exe" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:5020
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:5000
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2016 -
C:\Windows\SysWOW64\notepad.exenotepad4⤵
- System Location Discovery: System Language Discovery
PID:2492
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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
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7Replay Monitor
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Downloads
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Filesize
694KB
MD566f0215ea35ecfa194a86246952781c1
SHA14693d299b0ae000338972a8dd724b0fd25b9401e
SHA2561ba86da2445692d50bd20789bc9b962c58692319eb9935fae31dece7fb2d8ce2
SHA512a444edb7217f7f160bf840b8dcd01cf66e18ffa95c3f6773de35f2f8cc3467977d308db2598853088ee0e72ad116cf31d5839c9f4605eab2a190484ac8b846a2