Analysis
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max time kernel
150s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
24/08/2024, 02:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe
Resource
win7-20240708-en
windows7-x64
15 signatures
150 seconds
General
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Target
bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe
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Size
98KB
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MD5
bdd38be517b80080fad37ff43dcdca42
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SHA1
840476f8bc72c474aa788ac30a93f714f89dc02e
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SHA256
a2e9d8796446cacbd6ff4efc925bf64cd7a83b72b82a4f866d2e9f189cbe1b1c
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SHA512
580f901215fe3ee04acae45534362ad9cf3bcb6801b3dbc82925566942910ac4c6810cc229ab41ca488c9cad3776756b0bb22ba82a094a247497b6319ad1bdc4
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SSDEEP
3072:qdkoV4I29P/CfDXTquRktTmPbGkk8jwaaHw7Koj4rDcxT:0VR29P/IDOAkVK
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\\crqljxto\\kxixtbdf.exe" svchost.exe -
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\kxixtbdf.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\kxixtbdf.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 1916 cdgsvdclkqssjaew.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 5 IoCs
pid Process 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\KxiXtbdf = "C:\\Users\\Admin\\AppData\\Local\\crqljxto\\kxixtbdf.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 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cdgsvdclkqssjaew.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe 2728 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 476 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe Token: SeDebugPrivilege 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe Token: SeSecurityPrivilege 2792 svchost.exe Token: SeSecurityPrivilege 2728 svchost.exe Token: SeDebugPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeSecurityPrivilege 1916 cdgsvdclkqssjaew.exe Token: SeLoadDriverPrivilege 1916 cdgsvdclkqssjaew.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe Token: SeBackupPrivilege 2728 svchost.exe Token: SeRestorePrivilege 2728 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2372 wrote to memory of 2792 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 31 PID 2372 wrote to memory of 2792 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 31 PID 2372 wrote to memory of 2792 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 31 PID 2372 wrote to memory of 2792 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 31 PID 2372 wrote to memory of 2792 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 31 PID 2372 wrote to memory of 2792 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 31 PID 2372 wrote to memory of 2792 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 31 PID 2372 wrote to memory of 2792 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 31 PID 2372 wrote to memory of 2792 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 31 PID 2372 wrote to memory of 2792 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 31 PID 2372 wrote to memory of 2728 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 32 PID 2372 wrote to memory of 2728 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 32 PID 2372 wrote to memory of 2728 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 32 PID 2372 wrote to memory of 2728 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 32 PID 2372 wrote to memory of 2728 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 32 PID 2372 wrote to memory of 2728 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 32 PID 2372 wrote to memory of 2728 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 32 PID 2372 wrote to memory of 2728 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 32 PID 2372 wrote to memory of 2728 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 32 PID 2372 wrote to memory of 2728 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 32 PID 2372 wrote to memory of 1916 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 33 PID 2372 wrote to memory of 1916 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 33 PID 2372 wrote to memory of 1916 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 33 PID 2372 wrote to memory of 1916 2372 bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bdd38be517b80080fad37ff43dcdca42_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2792
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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:2728
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C:\Users\Admin\AppData\Local\Temp\cdgsvdclkqssjaew.exe"C:\Users\Admin\AppData\Local\Temp\cdgsvdclkqssjaew.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1916
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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
98KB
MD5bdd38be517b80080fad37ff43dcdca42
SHA1840476f8bc72c474aa788ac30a93f714f89dc02e
SHA256a2e9d8796446cacbd6ff4efc925bf64cd7a83b72b82a4f866d2e9f189cbe1b1c
SHA512580f901215fe3ee04acae45534362ad9cf3bcb6801b3dbc82925566942910ac4c6810cc229ab41ca488c9cad3776756b0bb22ba82a094a247497b6319ad1bdc4