Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-10-2024 16:19
Static task
static1
Behavioral task
behavioral1
Sample
7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe
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Size
314KB
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MD5
7a6680b8a9741ffcc7f037c7a9e6916a
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SHA1
bcae503a33b6f04bcc7b28b3ff9862cb06a3b261
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SHA256
b57a973f786b9921403c29de2acf009103268627ff3ea22e0ff79f703a63c126
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SHA512
58b64d4d8fd4e6557b2f6e4d710e18c7b68ffd58f924b17746de79ddfdd20a2971f765912afdce25a5984e65cb42b5f8ee26b918dc10229917dff943c8aa894a
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SSDEEP
6144:Z33FXy0hrAIDkaDZ/H7otsOsMX+GqlrJN+sgbJygeVYe8n:phy0L/cZDX+fNXbVX8n
Malware Config
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\system32\\winlogon.exe" 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exewinlogon.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winlogon.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
Processes:
winlogon.exewinlogon.exepid Process 3368 winlogon.exe 3352 winlogon.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\system32\\winlogon.exe" 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exewinlogon.exedescription pid Process procid_target PID 2664 set thread context of 4484 2664 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe 84 PID 3368 set thread context of 3352 3368 winlogon.exe 100 -
Processes:
resource yara_rule behavioral2/memory/4484-4-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/4484-3-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/4484-5-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/4484-6-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/4484-7-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/4484-8-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/4484-9-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/4484-21-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-35-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-36-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-34-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-33-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-31-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-32-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-30-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-37-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-38-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-39-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-40-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-41-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-42-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-43-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-44-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-45-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-46-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-47-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-48-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-49-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-50-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-51-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/3352-52-0x0000000000400000-0x00000000004C5000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 4560 2664 WerFault.exe 83 2384 3368 WerFault.exe 99 -
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:
7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exewinlogon.exewinlogon.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlogon.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlogon.exe -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exewinlogon.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 winlogon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString winlogon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier winlogon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier winlogon.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exewinlogon.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winlogon.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exewinlogon.exedescription pid Process Token: SeIncreaseQuotaPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeSecurityPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeLoadDriverPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeSystemProfilePrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeSystemtimePrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeBackupPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeRestorePrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeShutdownPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeDebugPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeUndockPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeManageVolumePrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeImpersonatePrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: 33 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: 34 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: 35 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: 36 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 3352 winlogon.exe Token: SeSecurityPrivilege 3352 winlogon.exe Token: SeTakeOwnershipPrivilege 3352 winlogon.exe Token: SeLoadDriverPrivilege 3352 winlogon.exe Token: SeSystemProfilePrivilege 3352 winlogon.exe Token: SeSystemtimePrivilege 3352 winlogon.exe Token: SeProfSingleProcessPrivilege 3352 winlogon.exe Token: SeIncBasePriorityPrivilege 3352 winlogon.exe Token: SeCreatePagefilePrivilege 3352 winlogon.exe Token: SeBackupPrivilege 3352 winlogon.exe Token: SeRestorePrivilege 3352 winlogon.exe Token: SeShutdownPrivilege 3352 winlogon.exe Token: SeDebugPrivilege 3352 winlogon.exe Token: SeSystemEnvironmentPrivilege 3352 winlogon.exe Token: SeChangeNotifyPrivilege 3352 winlogon.exe Token: SeRemoteShutdownPrivilege 3352 winlogon.exe Token: SeUndockPrivilege 3352 winlogon.exe Token: SeManageVolumePrivilege 3352 winlogon.exe Token: SeImpersonatePrivilege 3352 winlogon.exe Token: SeCreateGlobalPrivilege 3352 winlogon.exe Token: 33 3352 winlogon.exe Token: 34 3352 winlogon.exe Token: 35 3352 winlogon.exe Token: 36 3352 winlogon.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exewinlogon.exewinlogon.exepid Process 2664 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe 3368 winlogon.exe 3352 winlogon.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exewinlogon.exedescription pid Process procid_target PID 2664 wrote to memory of 4484 2664 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe 84 PID 2664 wrote to memory of 4484 2664 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe 84 PID 2664 wrote to memory of 4484 2664 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe 84 PID 2664 wrote to memory of 4484 2664 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe 84 PID 2664 wrote to memory of 4484 2664 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe 84 PID 2664 wrote to memory of 4484 2664 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe 84 PID 2664 wrote to memory of 4484 2664 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe 84 PID 2664 wrote to memory of 4484 2664 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe 84 PID 4484 wrote to memory of 3368 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe 99 PID 4484 wrote to memory of 3368 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe 99 PID 4484 wrote to memory of 3368 4484 7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe 99 PID 3368 wrote to memory of 3352 3368 winlogon.exe 100 PID 3368 wrote to memory of 3352 3368 winlogon.exe 100 PID 3368 wrote to memory of 3352 3368 winlogon.exe 100 PID 3368 wrote to memory of 3352 3368 winlogon.exe 100 PID 3368 wrote to memory of 3352 3368 winlogon.exe 100 PID 3368 wrote to memory of 3352 3368 winlogon.exe 100 PID 3368 wrote to memory of 3352 3368 winlogon.exe 100 PID 3368 wrote to memory of 3352 3368 winlogon.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2664 -
C:\Users\Admin\AppData\Local\Temp\7a6680b8a9741ffcc7f037c7a9e6916a_JaffaCakes118.exe
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- 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:4484 -
C:\system32\winlogon.exe"C:\system32\winlogon.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3368 -
C:\system32\winlogon.exe
- Checks BIOS information in registry
- Executes dropped EXE
- 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:3352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3368 -s 4884⤵
- Program crash
PID:2384
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 4802⤵
- Program crash
PID:4560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2664 -ip 26641⤵PID:2708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3368 -ip 33681⤵PID:4700
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
314KB
MD57a6680b8a9741ffcc7f037c7a9e6916a
SHA1bcae503a33b6f04bcc7b28b3ff9862cb06a3b261
SHA256b57a973f786b9921403c29de2acf009103268627ff3ea22e0ff79f703a63c126
SHA51258b64d4d8fd4e6557b2f6e4d710e18c7b68ffd58f924b17746de79ddfdd20a2971f765912afdce25a5984e65cb42b5f8ee26b918dc10229917dff943c8aa894a