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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
24/01/2025, 12:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe
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Size
148KB
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MD5
2176529b30915c8261a84c1bc4b078cb
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SHA1
295618139e70fa45697b5d874982522080d3a26d
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SHA256
19fc976517e355b7a76a113c699f46c9836d2cf5e4ffcae7f74b9fc3ba8be169
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SHA512
a4394a7fbec2d8cedc32d5980e003eae56c51dd75e86bb578c91c6fd798e514e154b2c4b4875c4ea6032d449d497522c6c98b338365eafee304ef767212971c9
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SSDEEP
3072:zAK0CBezOU+8isBve4bF3u5jwaaHw7Koj4rIFyFmvbadnr4:83z+svb1uzFyFmvS4
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\\bcdtxnck\\jfrginlb.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 created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jfrginlb.exe svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jfrginlb.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 1236 bnpbjeljdsheuagw.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 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\JfrGinlb = "C:\\Users\\Admin\\AppData\\Local\\bcdtxnck\\jfrginlb.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_2176529b30915c8261a84c1bc4b078cb.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 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe 2804 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 476 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe Token: SeDebugPrivilege 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe Token: SeSecurityPrivilege 2440 svchost.exe Token: SeSecurityPrivilege 2804 svchost.exe Token: SeDebugPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeSecurityPrivilege 1236 bnpbjeljdsheuagw.exe Token: SeLoadDriverPrivilege 1236 bnpbjeljdsheuagw.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe Token: SeBackupPrivilege 2804 svchost.exe Token: SeRestorePrivilege 2804 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2680 wrote to memory of 2440 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 30 PID 2680 wrote to memory of 2440 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 30 PID 2680 wrote to memory of 2440 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 30 PID 2680 wrote to memory of 2440 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 30 PID 2680 wrote to memory of 2440 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 30 PID 2680 wrote to memory of 2440 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 30 PID 2680 wrote to memory of 2440 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 30 PID 2680 wrote to memory of 2440 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 30 PID 2680 wrote to memory of 2440 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 30 PID 2680 wrote to memory of 2440 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 30 PID 2680 wrote to memory of 2804 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 31 PID 2680 wrote to memory of 2804 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 31 PID 2680 wrote to memory of 2804 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 31 PID 2680 wrote to memory of 2804 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 31 PID 2680 wrote to memory of 2804 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 31 PID 2680 wrote to memory of 2804 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 31 PID 2680 wrote to memory of 2804 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 31 PID 2680 wrote to memory of 2804 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 31 PID 2680 wrote to memory of 2804 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 31 PID 2680 wrote to memory of 2804 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 31 PID 2680 wrote to memory of 1236 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 32 PID 2680 wrote to memory of 1236 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 32 PID 2680 wrote to memory of 1236 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 32 PID 2680 wrote to memory of 1236 2680 JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2176529b30915c8261a84c1bc4b078cb.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2440
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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:2804
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C:\Users\Admin\AppData\Local\Temp\bnpbjeljdsheuagw.exe"C:\Users\Admin\AppData\Local\Temp\bnpbjeljdsheuagw.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1236
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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
148KB
MD52176529b30915c8261a84c1bc4b078cb
SHA1295618139e70fa45697b5d874982522080d3a26d
SHA25619fc976517e355b7a76a113c699f46c9836d2cf5e4ffcae7f74b9fc3ba8be169
SHA512a4394a7fbec2d8cedc32d5980e003eae56c51dd75e86bb578c91c6fd798e514e154b2c4b4875c4ea6032d449d497522c6c98b338365eafee304ef767212971c9