Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
22/07/2024, 20:36
Static task
static1
Behavioral task
behavioral1
Sample
64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe
Resource
win7-20240708-en
General
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Target
64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe
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Size
311KB
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MD5
64b632051e51d8fbb8fe3ddfb55c9eef
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SHA1
f96da73b616ba82da7a2be1dd4ddbafb9b682159
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SHA256
20bf4c494b3c46dea4ed862d11f5c1763fd5ce362391ed576c3d042aaf877f98
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SHA512
401ed854fabd60b46dccf3d5d9a9f944beb0a38ebe39acb770024a20cc821a023d860530b87b72418b983894addf19f6183945ee5e2931f250506548a7b0b811
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SSDEEP
6144:gDwD7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZfrC87FCWd:g8l8E4w5huat7UovONzbXwLrj7cq
Malware Config
Extracted
darkcomet
SAMEDI
straydz.no-ip.org:5000
DC_MUTEX-BQTQ7VQ
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InstallPath
MSDCSC\msdcsc.exe
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gencode
2PQNXXEJtZlz
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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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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" 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.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-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.exe -
Disables Task Manager via registry modification
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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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3856 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-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" msdcsc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeSecurityPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeLoadDriverPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeSystemProfilePrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeSystemtimePrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeBackupPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeRestorePrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeShutdownPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeDebugPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeUndockPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeManageVolumePrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeImpersonatePrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: 33 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: 34 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: 35 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: 36 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 3856 msdcsc.exe Token: SeSecurityPrivilege 3856 msdcsc.exe Token: SeTakeOwnershipPrivilege 3856 msdcsc.exe Token: SeLoadDriverPrivilege 3856 msdcsc.exe Token: SeSystemProfilePrivilege 3856 msdcsc.exe Token: SeSystemtimePrivilege 3856 msdcsc.exe Token: SeProfSingleProcessPrivilege 3856 msdcsc.exe Token: SeIncBasePriorityPrivilege 3856 msdcsc.exe Token: SeCreatePagefilePrivilege 3856 msdcsc.exe Token: SeBackupPrivilege 3856 msdcsc.exe Token: SeRestorePrivilege 3856 msdcsc.exe Token: SeShutdownPrivilege 3856 msdcsc.exe Token: SeDebugPrivilege 3856 msdcsc.exe Token: SeSystemEnvironmentPrivilege 3856 msdcsc.exe Token: SeChangeNotifyPrivilege 3856 msdcsc.exe Token: SeRemoteShutdownPrivilege 3856 msdcsc.exe Token: SeUndockPrivilege 3856 msdcsc.exe Token: SeManageVolumePrivilege 3856 msdcsc.exe Token: SeImpersonatePrivilege 3856 msdcsc.exe Token: SeCreateGlobalPrivilege 3856 msdcsc.exe Token: 33 3856 msdcsc.exe Token: 34 3856 msdcsc.exe Token: 35 3856 msdcsc.exe Token: 36 3856 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3856 msdcsc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5088 wrote to memory of 3856 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe 87 PID 5088 wrote to memory of 3856 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe 87 PID 5088 wrote to memory of 3856 5088 64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe 87 -
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\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\64b632051e51d8fbb8fe3ddfb55c9eef_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5088 -
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
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:3856
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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
2Replay Monitor
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Downloads
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Filesize
311KB
MD564b632051e51d8fbb8fe3ddfb55c9eef
SHA1f96da73b616ba82da7a2be1dd4ddbafb9b682159
SHA25620bf4c494b3c46dea4ed862d11f5c1763fd5ce362391ed576c3d042aaf877f98
SHA512401ed854fabd60b46dccf3d5d9a9f944beb0a38ebe39acb770024a20cc821a023d860530b87b72418b983894addf19f6183945ee5e2931f250506548a7b0b811