Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-10-2024 11:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
15 signatures
150 seconds
General
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Target
7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exe
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Size
265KB
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MD5
7396739e8713e3e3e6f8917a9299c962
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SHA1
ac141e09e479a5df8c78c56e2651f7b76e78c89e
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SHA256
bcb2babada75a2347334673af4ab2f6af8cf8f38a0bdf278d0c43fd0dd80e05b
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SHA512
1543c0b1ce4e3967b01c1ec00967f0a6d60a37737c310d1290a6963d088be99bea06d5a9004143ab839c22b789898c082623f2cbc69ed8d2d123de2d18dd7802
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SSDEEP
6144:Td2d1hhrmXyrwlUdfcODhDg9MFagC47BOUUbJK0MMg:Tcd1hlwEWMFaV44dRg
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Windupdt\\winupdate.exe" rundll32.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
Processes:
explorer.exedescription ioc Process 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 Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
rundll32.exeexplorer.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe -
Executes dropped EXE 1 IoCs
Processes:
rundll32.exepid Process 452 rundll32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Windupdt\\winupdate.exe" rundll32.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 452 set thread context of 3704 452 rundll32.exe 86 -
Drops file in Windows directory 1 IoCs
Processes:
7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exedescription ioc Process File opened for modification C:\Windows\rundll32.exe 7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.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.
Processes:
explorer.exenotepad.exe7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exerundll32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
rundll32.exeexplorer.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe 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 rundll32.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
rundll32.exeexplorer.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
rundll32.exeexplorer.exedescription pid Process Token: SeIncreaseQuotaPrivilege 452 rundll32.exe Token: SeSecurityPrivilege 452 rundll32.exe Token: SeTakeOwnershipPrivilege 452 rundll32.exe Token: SeLoadDriverPrivilege 452 rundll32.exe Token: SeSystemProfilePrivilege 452 rundll32.exe Token: SeSystemtimePrivilege 452 rundll32.exe Token: SeProfSingleProcessPrivilege 452 rundll32.exe Token: SeIncBasePriorityPrivilege 452 rundll32.exe Token: SeCreatePagefilePrivilege 452 rundll32.exe Token: SeBackupPrivilege 452 rundll32.exe Token: SeRestorePrivilege 452 rundll32.exe Token: SeShutdownPrivilege 452 rundll32.exe Token: SeDebugPrivilege 452 rundll32.exe Token: SeSystemEnvironmentPrivilege 452 rundll32.exe Token: SeChangeNotifyPrivilege 452 rundll32.exe Token: SeRemoteShutdownPrivilege 452 rundll32.exe Token: SeUndockPrivilege 452 rundll32.exe Token: SeManageVolumePrivilege 452 rundll32.exe Token: SeImpersonatePrivilege 452 rundll32.exe Token: SeCreateGlobalPrivilege 452 rundll32.exe Token: 33 452 rundll32.exe Token: 34 452 rundll32.exe Token: 35 452 rundll32.exe Token: 36 452 rundll32.exe Token: SeIncreaseQuotaPrivilege 3704 explorer.exe Token: SeSecurityPrivilege 3704 explorer.exe Token: SeTakeOwnershipPrivilege 3704 explorer.exe Token: SeLoadDriverPrivilege 3704 explorer.exe Token: SeSystemProfilePrivilege 3704 explorer.exe Token: SeSystemtimePrivilege 3704 explorer.exe Token: SeProfSingleProcessPrivilege 3704 explorer.exe Token: SeIncBasePriorityPrivilege 3704 explorer.exe Token: SeCreatePagefilePrivilege 3704 explorer.exe Token: SeBackupPrivilege 3704 explorer.exe Token: SeRestorePrivilege 3704 explorer.exe Token: SeShutdownPrivilege 3704 explorer.exe Token: SeDebugPrivilege 3704 explorer.exe Token: SeSystemEnvironmentPrivilege 3704 explorer.exe Token: SeChangeNotifyPrivilege 3704 explorer.exe Token: SeRemoteShutdownPrivilege 3704 explorer.exe Token: SeUndockPrivilege 3704 explorer.exe Token: SeManageVolumePrivilege 3704 explorer.exe Token: SeImpersonatePrivilege 3704 explorer.exe Token: SeCreateGlobalPrivilege 3704 explorer.exe Token: 33 3704 explorer.exe Token: 34 3704 explorer.exe Token: 35 3704 explorer.exe Token: 36 3704 explorer.exe -
Suspicious use of WriteProcessMemory 47 IoCs
Processes:
7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exerundll32.exedescription pid Process procid_target PID 3952 wrote to memory of 452 3952 7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exe 84 PID 3952 wrote to memory of 452 3952 7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exe 84 PID 3952 wrote to memory of 452 3952 7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exe 84 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 320 452 rundll32.exe 85 PID 452 wrote to memory of 3704 452 rundll32.exe 86 PID 452 wrote to memory of 3704 452 rundll32.exe 86 PID 452 wrote to memory of 3704 452 rundll32.exe 86 PID 452 wrote to memory of 3704 452 rundll32.exe 86 PID 452 wrote to memory of 3704 452 rundll32.exe 86 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87 PID 452 wrote to memory of 3608 452 rundll32.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3952 -
C:\Windows\rundll32.exeC:\Windows\rundll32.exe2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Executes dropped EXE
- Adds Run key to start application
- 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:452 -
C:\Windows\notepad.exenotepad3⤵PID:320
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵
- Modifies firewall policy service
- 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
PID:3704
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C:\Windows\SysWOW64\notepad.exeC:\Windows\SysWOW64\notepad.exe3⤵
- System Location Discovery: System Language Discovery
PID:3608
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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
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
1Disable or Modify System Firewall
1Modify Registry
3Replay Monitor
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Downloads
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Filesize
259KB
MD52cac0b51472ca6d9bf738d0fd397f18b
SHA1817909d815cce0de4532efa871d38a1725c0e81e
SHA25607fd54107068dda708a17af5bbe47898e31bf870fd201a41ebf18cd891fcc17c
SHA51291e66d9e139e215b2fe467adcbbdf7fbbf97eef7ecaed8e11a12d91d2c6643e5a0b71fde3ca244cee2bf6059cf63edd76d291cc15bf5135a08c09945b25c5cd1