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Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27/01/2025, 13:45
Behavioral task
behavioral1
Sample
JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe
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Size
758KB
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MD5
40260ee6bccbcab5323b7b1da0a8fee6
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SHA1
227d8ef3dcdbaee8f006591891565d9634e9b2dd
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SHA256
8b4caf3214e9c5f206f90813188cef577d5430449606bc21939f46973c7f9c68
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SHA512
af14d8710e985cf4f304b7a6b933558a740154ae27977a638d93915c1163ce836c66e96c041f2b0d3c2e806d8e181553036bff38ebce78ef44364a49b6dc146c
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SSDEEP
12288:6XhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452UJ:knAw2WWeFcfbP9VPSPMTSPL/rWvzq4JZ
Malware Config
Extracted
darkcomet
Guest16
masify-boy.no-ip.org:1604
DC_MUTEX-7AJ3EFL
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InstallPath
MSDCSC\msdcsc.exe
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gencode
15DD4fh1ZD5B
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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" JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.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 -
Windows security bypass 2 TTPs 2 IoCs
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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.exe -
Disables Task Manager via registry modification
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Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 3456 attrib.exe 4632 attrib.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe -
Executes dropped EXE 1 IoCs
pid Process 2008 msdcsc.exe -
Windows security modification 2 TTPs 2 IoCs
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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.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 7 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 msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2008 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeSecurityPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeTakeOwnershipPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeLoadDriverPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeSystemProfilePrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeSystemtimePrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeProfSingleProcessPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeIncBasePriorityPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeCreatePagefilePrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeBackupPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeRestorePrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeShutdownPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeDebugPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeSystemEnvironmentPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeChangeNotifyPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeRemoteShutdownPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeUndockPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeManageVolumePrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeImpersonatePrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeCreateGlobalPrivilege 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: 33 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: 34 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: 35 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: 36 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe Token: SeIncreaseQuotaPrivilege 2008 msdcsc.exe Token: SeSecurityPrivilege 2008 msdcsc.exe Token: SeTakeOwnershipPrivilege 2008 msdcsc.exe Token: SeLoadDriverPrivilege 2008 msdcsc.exe Token: SeSystemProfilePrivilege 2008 msdcsc.exe Token: SeSystemtimePrivilege 2008 msdcsc.exe Token: SeProfSingleProcessPrivilege 2008 msdcsc.exe Token: SeIncBasePriorityPrivilege 2008 msdcsc.exe Token: SeCreatePagefilePrivilege 2008 msdcsc.exe Token: SeBackupPrivilege 2008 msdcsc.exe Token: SeRestorePrivilege 2008 msdcsc.exe Token: SeShutdownPrivilege 2008 msdcsc.exe Token: SeDebugPrivilege 2008 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2008 msdcsc.exe Token: SeChangeNotifyPrivilege 2008 msdcsc.exe Token: SeRemoteShutdownPrivilege 2008 msdcsc.exe Token: SeUndockPrivilege 2008 msdcsc.exe Token: SeManageVolumePrivilege 2008 msdcsc.exe Token: SeImpersonatePrivilege 2008 msdcsc.exe Token: SeCreateGlobalPrivilege 2008 msdcsc.exe Token: 33 2008 msdcsc.exe Token: 34 2008 msdcsc.exe Token: 35 2008 msdcsc.exe Token: 36 2008 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2008 msdcsc.exe -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 224 wrote to memory of 4664 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe 82 PID 224 wrote to memory of 4664 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe 82 PID 224 wrote to memory of 4664 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe 82 PID 224 wrote to memory of 1152 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe 83 PID 224 wrote to memory of 1152 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe 83 PID 224 wrote to memory of 1152 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe 83 PID 4664 wrote to memory of 3456 4664 cmd.exe 86 PID 4664 wrote to memory of 3456 4664 cmd.exe 86 PID 4664 wrote to memory of 3456 4664 cmd.exe 86 PID 1152 wrote to memory of 4632 1152 cmd.exe 87 PID 1152 wrote to memory of 4632 1152 cmd.exe 87 PID 1152 wrote to memory of 4632 1152 cmd.exe 87 PID 224 wrote to memory of 2008 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe 88 PID 224 wrote to memory of 2008 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe 88 PID 224 wrote to memory of 2008 224 JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe 88 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 PID 2008 wrote to memory of 3264 2008 msdcsc.exe 89 -
System policy modification 1 TTPs 3 IoCs
description ioc Process 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 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern msdcsc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 3456 attrib.exe 4632 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40260ee6bccbcab5323b7b1da0a8fee6.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:3456
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:4632
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- 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 behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2008 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:3264
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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
758KB
MD540260ee6bccbcab5323b7b1da0a8fee6
SHA1227d8ef3dcdbaee8f006591891565d9634e9b2dd
SHA2568b4caf3214e9c5f206f90813188cef577d5430449606bc21939f46973c7f9c68
SHA512af14d8710e985cf4f304b7a6b933558a740154ae27977a638d93915c1163ce836c66e96c041f2b0d3c2e806d8e181553036bff38ebce78ef44364a49b6dc146c