Analysis
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max time kernel
150s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15-04-2024 15:15
Static task
static1
Behavioral task
behavioral1
Sample
f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe
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Size
373KB
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MD5
f15c951b1ec384cab7e3bee192122626
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SHA1
e58821eb0fdc4d4eed85265ba4c495b7ddb371a1
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SHA256
d1b35bd0810cc6590b227a815ace1a9cf795f9a917bba2fa74ce5f1262387f23
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SHA512
18d83c4482e5d8762ca241f8935e88464e43801af96876a8cd2c299a07eb41dcc977afe12766b478ecc98c0dea485e186553c79dbc12df788361411961e7f946
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SSDEEP
6144:wdd8xHVErhawhgnzvD624tOUAZKpwx730qSgj2a76cjWLLeMdWnpQZh9h4/:wd+xHUwAK224xAtPSw2SjbMd0QZh9u
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\install\\taskeng.exe" f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exetaskeng.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate taskeng.exe -
Executes dropped EXE 1 IoCs
Processes:
taskeng.exepid process 2616 taskeng.exe -
Loads dropped DLL 2 IoCs
Processes:
f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exepid process 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\task@skip = "C:\\install\\taskeng.exe" f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
taskeng.exef15c951b1ec384cab7e3bee192122626_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 taskeng.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString taskeng.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier taskeng.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier taskeng.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exetaskeng.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier taskeng.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
Processes:
f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exetaskeng.exedescription pid process Token: SeIncreaseQuotaPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeSecurityPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeSystemtimePrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeBackupPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeRestorePrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeShutdownPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeDebugPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeUndockPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeManageVolumePrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeImpersonatePrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: 33 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: 34 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: 35 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2616 taskeng.exe Token: SeSecurityPrivilege 2616 taskeng.exe Token: SeTakeOwnershipPrivilege 2616 taskeng.exe Token: SeLoadDriverPrivilege 2616 taskeng.exe Token: SeSystemProfilePrivilege 2616 taskeng.exe Token: SeSystemtimePrivilege 2616 taskeng.exe Token: SeProfSingleProcessPrivilege 2616 taskeng.exe Token: SeIncBasePriorityPrivilege 2616 taskeng.exe Token: SeCreatePagefilePrivilege 2616 taskeng.exe Token: SeBackupPrivilege 2616 taskeng.exe Token: SeRestorePrivilege 2616 taskeng.exe Token: SeShutdownPrivilege 2616 taskeng.exe Token: SeDebugPrivilege 2616 taskeng.exe Token: SeSystemEnvironmentPrivilege 2616 taskeng.exe Token: SeChangeNotifyPrivilege 2616 taskeng.exe Token: SeRemoteShutdownPrivilege 2616 taskeng.exe Token: SeUndockPrivilege 2616 taskeng.exe Token: SeManageVolumePrivilege 2616 taskeng.exe Token: SeImpersonatePrivilege 2616 taskeng.exe Token: SeCreateGlobalPrivilege 2616 taskeng.exe Token: 33 2616 taskeng.exe Token: 34 2616 taskeng.exe Token: 35 2616 taskeng.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exedescription pid process target process PID 2304 wrote to memory of 2616 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe taskeng.exe PID 2304 wrote to memory of 2616 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe taskeng.exe PID 2304 wrote to memory of 2616 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe taskeng.exe PID 2304 wrote to memory of 2616 2304 f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe taskeng.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f15c951b1ec384cab7e3bee192122626_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\install\taskeng.exe"C:\install\taskeng.exe"2⤵
- Checks BIOS information in registry
- Executes dropped EXE
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2616
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
373KB
MD5f15c951b1ec384cab7e3bee192122626
SHA1e58821eb0fdc4d4eed85265ba4c495b7ddb371a1
SHA256d1b35bd0810cc6590b227a815ace1a9cf795f9a917bba2fa74ce5f1262387f23
SHA51218d83c4482e5d8762ca241f8935e88464e43801af96876a8cd2c299a07eb41dcc977afe12766b478ecc98c0dea485e186553c79dbc12df788361411961e7f946