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
29-01-2025 19:58
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe
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Size
129KB
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MD5
5ad8e4c622325abb9d171f5daad261b6
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SHA1
2cf79ab817d5a715d782e2d8035c5e98974b5e44
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SHA256
a3bad051d0f58a349de7ebe100ac43451e2b85d28a7681458efe3d9fcf214c01
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SHA512
07cb0d08427b5bea713700a5995aa0fa4a6c6834e0878a2138c2713a344a836186adade0d7c33324cf8d73352679977297d0c2fff2ade949ab24314632e38942
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SSDEEP
3072:RgDAWPCZabC3YUKRmjlItUj6CU5jwaaHw7Koj4rRLHzGnn:qD+8tUimjlIUja
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\\snltfjhj\\btdgtxsb.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\btdgtxsb.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\btdgtxsb.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2832 syxbvarhllksxhod.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 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\BtdGtxsb = "C:\\Users\\Admin\\AppData\\Local\\snltfjhj\\btdgtxsb.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_5ad8e4c622325abb9d171f5daad261b6.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 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe 2632 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 476 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe Token: SeDebugPrivilege 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe Token: SeSecurityPrivilege 2568 svchost.exe Token: SeSecurityPrivilege 2632 svchost.exe Token: SeDebugPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeSecurityPrivilege 2832 syxbvarhllksxhod.exe Token: SeLoadDriverPrivilege 2832 syxbvarhllksxhod.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe Token: SeBackupPrivilege 2632 svchost.exe Token: SeRestorePrivilege 2632 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2624 wrote to memory of 2568 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 30 PID 2624 wrote to memory of 2568 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 30 PID 2624 wrote to memory of 2568 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 30 PID 2624 wrote to memory of 2568 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 30 PID 2624 wrote to memory of 2568 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 30 PID 2624 wrote to memory of 2568 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 30 PID 2624 wrote to memory of 2568 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 30 PID 2624 wrote to memory of 2568 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 30 PID 2624 wrote to memory of 2568 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 30 PID 2624 wrote to memory of 2568 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 30 PID 2624 wrote to memory of 2632 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 31 PID 2624 wrote to memory of 2632 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 31 PID 2624 wrote to memory of 2632 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 31 PID 2624 wrote to memory of 2632 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 31 PID 2624 wrote to memory of 2632 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 31 PID 2624 wrote to memory of 2632 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 31 PID 2624 wrote to memory of 2632 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 31 PID 2624 wrote to memory of 2632 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 31 PID 2624 wrote to memory of 2632 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 31 PID 2624 wrote to memory of 2632 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 31 PID 2624 wrote to memory of 2832 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 32 PID 2624 wrote to memory of 2832 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 32 PID 2624 wrote to memory of 2832 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 32 PID 2624 wrote to memory of 2832 2624 JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5ad8e4c622325abb9d171f5daad261b6.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2568
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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:2632
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C:\Users\Admin\AppData\Local\Temp\syxbvarhllksxhod.exe"C:\Users\Admin\AppData\Local\Temp\syxbvarhllksxhod.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2832
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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
129KB
MD55ad8e4c622325abb9d171f5daad261b6
SHA12cf79ab817d5a715d782e2d8035c5e98974b5e44
SHA256a3bad051d0f58a349de7ebe100ac43451e2b85d28a7681458efe3d9fcf214c01
SHA51207cb0d08427b5bea713700a5995aa0fa4a6c6834e0878a2138c2713a344a836186adade0d7c33324cf8d73352679977297d0c2fff2ade949ab24314632e38942