Analysis
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max time kernel
129s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-12-2024 03:56
Behavioral task
behavioral1
Sample
dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe
Resource
win7-20240708-en
General
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Target
dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe
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Size
659KB
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MD5
dce78c1bc01875e17e404720fd1c252d
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SHA1
5e2a78a3ca1c8a01d1abe467df5cbea0c73e3a68
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SHA256
5a41df08f0a1e554c8a54ad710ea35d806399b2bd38700845837745ba2b8baf3
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SHA512
8ffb84873a1e90cc037284028dfc8a99194eeccd410c3c598f8a9d874fb4eaa5e14cd5628a78155fdadc8b46351aaec1d8a5493209416b3411052a81dc72c36c
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SSDEEP
12288:59AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKO:/AQ6Zx9cxTmOrucTIEFSpOGn
Malware Config
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\\system32\\Windupdt\\winupdate.exe" dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" explorer.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" explorer.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\system32\\Windupdt\\winupdate.exe" dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\Windupdt\winupdate.exe dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\Windupdt\winupdate.exe dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\Windupdt\ dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1468 set thread context of 2928 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 83 -
Program crash 1 IoCs
pid pid_target Process procid_target 3716 4220 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 3 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 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeSecurityPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeLoadDriverPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeSystemProfilePrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeSystemtimePrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeBackupPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeRestorePrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeShutdownPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeDebugPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeUndockPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeManageVolumePrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeImpersonatePrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: 33 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: 34 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: 35 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: 36 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2928 explorer.exe Token: SeSecurityPrivilege 2928 explorer.exe Token: SeTakeOwnershipPrivilege 2928 explorer.exe Token: SeLoadDriverPrivilege 2928 explorer.exe Token: SeSystemProfilePrivilege 2928 explorer.exe Token: SeSystemtimePrivilege 2928 explorer.exe Token: SeProfSingleProcessPrivilege 2928 explorer.exe Token: SeIncBasePriorityPrivilege 2928 explorer.exe Token: SeCreatePagefilePrivilege 2928 explorer.exe Token: SeBackupPrivilege 2928 explorer.exe Token: SeRestorePrivilege 2928 explorer.exe Token: SeShutdownPrivilege 2928 explorer.exe Token: SeDebugPrivilege 2928 explorer.exe Token: SeSystemEnvironmentPrivilege 2928 explorer.exe Token: SeChangeNotifyPrivilege 2928 explorer.exe Token: SeRemoteShutdownPrivilege 2928 explorer.exe Token: SeUndockPrivilege 2928 explorer.exe Token: SeManageVolumePrivilege 2928 explorer.exe Token: SeImpersonatePrivilege 2928 explorer.exe Token: SeCreateGlobalPrivilege 2928 explorer.exe Token: 33 2928 explorer.exe Token: 34 2928 explorer.exe Token: 35 2928 explorer.exe Token: 36 2928 explorer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2928 explorer.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 4220 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 82 PID 1468 wrote to memory of 2928 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 83 PID 1468 wrote to memory of 2928 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 83 PID 1468 wrote to memory of 2928 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 83 PID 1468 wrote to memory of 2928 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 83 PID 1468 wrote to memory of 2928 1468 dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\dce78c1bc01875e17e404720fd1c252d_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468 -
C:\Windows\SysWOW64\notepad.exenotepad2⤵
- System Location Discovery: System Language Discovery
PID:4220 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 1963⤵
- Program crash
PID:3716
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Modifies firewall policy service
- Windows security bypass
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4220 -ip 42201⤵PID:5060
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
Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
4