Analysis
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max time kernel
150s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30/01/2025, 17:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_64d668837555fb488088528fe78f26b6.exe
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
JaffaCakes118_64d668837555fb488088528fe78f26b6.exe
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Size
105KB
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MD5
64d668837555fb488088528fe78f26b6
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SHA1
a219c9cae72221ec96b7e34c625600fd680aa07b
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SHA256
b43f5db3c9d56c494be07e0d2a82198ab2ab99f1ff46d4ee85403b833b140d0b
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SHA512
e2c345c298492dbc947b9200b3c67dcff15236e67a6120712f47a3f249fde18e6c0a6d1b5eea4517c0f73e224a0ecb3372d0737874abb8f989da16c310bbb61f
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SSDEEP
3072:XFNP+8u21BPpqaeXBry5jwaaHw7Koj4r+VuE:XFNP+8ucBRqaeROrV
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\dxtitfyv\\leluefim.exe" svchost.exe -
Ramnit family
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UAC bypass 3 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\leluefim.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\leluefim.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2004 djjpghkvrcpnylpa.exe -
Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc svchost.exe -
Loads dropped DLL 4 IoCs
pid Process 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\LelUefim = "C:\\Users\\Admin\\AppData\\Local\\dxtitfyv\\leluefim.exe" svchost.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 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 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe 2076 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 476 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe Token: SeDebugPrivilege 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe Token: SeSecurityPrivilege 2488 svchost.exe Token: SeSecurityPrivilege 2076 svchost.exe Token: SeDebugPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeSecurityPrivilege 2004 djjpghkvrcpnylpa.exe Token: SeLoadDriverPrivilege 2004 djjpghkvrcpnylpa.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe Token: SeBackupPrivilege 2076 svchost.exe Token: SeRestorePrivilege 2076 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2100 wrote to memory of 2488 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 31 PID 2100 wrote to memory of 2488 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 31 PID 2100 wrote to memory of 2488 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 31 PID 2100 wrote to memory of 2488 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 31 PID 2100 wrote to memory of 2488 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 31 PID 2100 wrote to memory of 2488 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 31 PID 2100 wrote to memory of 2488 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 31 PID 2100 wrote to memory of 2488 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 31 PID 2100 wrote to memory of 2488 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 31 PID 2100 wrote to memory of 2488 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 31 PID 2100 wrote to memory of 2076 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 32 PID 2100 wrote to memory of 2076 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 32 PID 2100 wrote to memory of 2076 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 32 PID 2100 wrote to memory of 2076 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 32 PID 2100 wrote to memory of 2076 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 32 PID 2100 wrote to memory of 2076 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 32 PID 2100 wrote to memory of 2076 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 32 PID 2100 wrote to memory of 2076 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 32 PID 2100 wrote to memory of 2076 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 32 PID 2100 wrote to memory of 2076 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 32 PID 2100 wrote to memory of 2004 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 33 PID 2100 wrote to memory of 2004 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 33 PID 2100 wrote to memory of 2004 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 33 PID 2100 wrote to memory of 2004 2100 JaffaCakes118_64d668837555fb488088528fe78f26b6.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64d668837555fb488088528fe78f26b6.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64d668837555fb488088528fe78f26b6.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2488
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- Modifies WinLogon for persistence
- UAC bypass
- Checks BIOS information in registry
- Drops startup file
- Impair Defenses: Safe Mode Boot
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2076
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C:\Users\Admin\AppData\Local\Temp\djjpghkvrcpnylpa.exe"C:\Users\Admin\AppData\Local\Temp\djjpghkvrcpnylpa.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2004
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
2Disable or Modify Tools
1Safe Mode Boot
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
105KB
MD564d668837555fb488088528fe78f26b6
SHA1a219c9cae72221ec96b7e34c625600fd680aa07b
SHA256b43f5db3c9d56c494be07e0d2a82198ab2ab99f1ff46d4ee85403b833b140d0b
SHA512e2c345c298492dbc947b9200b3c67dcff15236e67a6120712f47a3f249fde18e6c0a6d1b5eea4517c0f73e224a0ecb3372d0737874abb8f989da16c310bbb61f