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Analysis
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max time kernel
150s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
24/03/2025, 03:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe
Resource
win10v2004-20250313-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe
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Size
113KB
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MD5
885752ed40e8d9f27097408df4c07716
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SHA1
aa5b0633c838f136855ebdfd83ad45042c6c4aca
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SHA256
4a55a62669b34f2d6a237d05ea8a7e3bdd68a37ebe83802b04ab1bedca37013b
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SHA512
8acaf338104ebece9b31bc79ed72e2bc69ef04b79fc1e154500630d8a8dfa5fd4c4b50b85790231a97aec2ecf940532c4104140e86c7c0226417886c94cbf1f5
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SSDEEP
3072:pOoJxQP0IwPZ8lF0Ovu7oqOX71x4J2vNbGfvGnd3gW5ZM4/ux:Jxhfs9NdndPZMT
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\\guwytfod\\obolefxq.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\obolefxq.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\obolefxq.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2392 ggmjghaatojlgewa.exe -
Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc svchost.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power svchost.exe -
Loads dropped DLL 4 IoCs
pid Process 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\OboLefxq = "C:\\Users\\Admin\\AppData\\Local\\guwytfod\\obolefxq.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 4 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 ggmjghaatojlgewa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_885752ed40e8d9f27097408df4c07716.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 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe 2876 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 472 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe Token: SeDebugPrivilege 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe Token: SeSecurityPrivilege 536 svchost.exe Token: SeSecurityPrivilege 2876 svchost.exe Token: SeDebugPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeSecurityPrivilege 2392 ggmjghaatojlgewa.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeLoadDriverPrivilege 2392 ggmjghaatojlgewa.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe Token: SeBackupPrivilege 2876 svchost.exe Token: SeRestorePrivilege 2876 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2480 wrote to memory of 536 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 31 PID 2480 wrote to memory of 536 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 31 PID 2480 wrote to memory of 536 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 31 PID 2480 wrote to memory of 536 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 31 PID 2480 wrote to memory of 536 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 31 PID 2480 wrote to memory of 536 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 31 PID 2480 wrote to memory of 536 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 31 PID 2480 wrote to memory of 536 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 31 PID 2480 wrote to memory of 536 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 31 PID 2480 wrote to memory of 536 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 31 PID 2480 wrote to memory of 2876 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 32 PID 2480 wrote to memory of 2876 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 32 PID 2480 wrote to memory of 2876 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 32 PID 2480 wrote to memory of 2876 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 32 PID 2480 wrote to memory of 2876 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 32 PID 2480 wrote to memory of 2876 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 32 PID 2480 wrote to memory of 2876 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 32 PID 2480 wrote to memory of 2876 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 32 PID 2480 wrote to memory of 2876 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 32 PID 2480 wrote to memory of 2876 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 32 PID 2480 wrote to memory of 2392 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 33 PID 2480 wrote to memory of 2392 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 33 PID 2480 wrote to memory of 2392 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 33 PID 2480 wrote to memory of 2392 2480 JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_885752ed40e8d9f27097408df4c07716.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:536
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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:2876
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C:\Users\Admin\AppData\Local\Temp\ggmjghaatojlgewa.exe"C:\Users\Admin\AppData\Local\Temp\ggmjghaatojlgewa.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2392
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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
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Downloads
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Filesize
113KB
MD5885752ed40e8d9f27097408df4c07716
SHA1aa5b0633c838f136855ebdfd83ad45042c6c4aca
SHA2564a55a62669b34f2d6a237d05ea8a7e3bdd68a37ebe83802b04ab1bedca37013b
SHA5128acaf338104ebece9b31bc79ed72e2bc69ef04b79fc1e154500630d8a8dfa5fd4c4b50b85790231a97aec2ecf940532c4104140e86c7c0226417886c94cbf1f5