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
16-01-2025 09:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe
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Size
95KB
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MD5
7298b6f583a7a5a3fad8adbacb8f22d0
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SHA1
fec8a84f2ce60c2bb0fd5c4595842c697c82cb73
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SHA256
29a23ae38297bd271a54c7d575653f69fd006e775a81d7988dbffccf38514317
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SHA512
344f2907355b13b3fd112e8130a5f9043e0b2ce8194b83c7d32a0959d2eafc67d4099fcf2de2574ea164fcb05cb9c74ac084c892bad7a8430bb7e9755dcff807
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SSDEEP
1536:e3Ynb+B0cU3rkgqre/s9/Vbr27lbOgm3MhSn/s8Xo48FNSF5E8k8jwaaHw7Koj4K:EYnb+BR6X0/VbcbIMhe/nXo/eFFk8jw4
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\\wlbqkygi\\frsducpy.exe" svchost.exe -
Ramnit family
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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\frsducpy.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\frsducpy.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2600 wwqxwbrfkbxogvcb.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 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.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\FrsDucpy = "C:\\Users\\Admin\\AppData\\Local\\wlbqkygi\\frsducpy.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 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.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 wwqxwbrfkbxogvcb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe 2520 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 472 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe Token: SeDebugPrivilege 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe Token: SeSecurityPrivilege 2840 svchost.exe Token: SeSecurityPrivilege 2520 svchost.exe Token: SeDebugPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeSecurityPrivilege 2600 wwqxwbrfkbxogvcb.exe Token: SeLoadDriverPrivilege 2600 wwqxwbrfkbxogvcb.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe Token: SeBackupPrivilege 2520 svchost.exe Token: SeRestorePrivilege 2520 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2856 wrote to memory of 2840 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 28 PID 2856 wrote to memory of 2840 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 28 PID 2856 wrote to memory of 2840 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 28 PID 2856 wrote to memory of 2840 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 28 PID 2856 wrote to memory of 2840 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 28 PID 2856 wrote to memory of 2840 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 28 PID 2856 wrote to memory of 2840 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 28 PID 2856 wrote to memory of 2840 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 28 PID 2856 wrote to memory of 2840 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 28 PID 2856 wrote to memory of 2840 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 28 PID 2856 wrote to memory of 2520 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 29 PID 2856 wrote to memory of 2520 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 29 PID 2856 wrote to memory of 2520 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 29 PID 2856 wrote to memory of 2520 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 29 PID 2856 wrote to memory of 2520 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 29 PID 2856 wrote to memory of 2520 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 29 PID 2856 wrote to memory of 2520 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 29 PID 2856 wrote to memory of 2520 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 29 PID 2856 wrote to memory of 2520 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 29 PID 2856 wrote to memory of 2520 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 29 PID 2856 wrote to memory of 2600 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 30 PID 2856 wrote to memory of 2600 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 30 PID 2856 wrote to memory of 2600 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 30 PID 2856 wrote to memory of 2600 2856 JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7298b6f583a7a5a3fad8adbacb8f22d0.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2840
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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:2520
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C:\Users\Admin\AppData\Local\Temp\wwqxwbrfkbxogvcb.exe"C:\Users\Admin\AppData\Local\Temp\wwqxwbrfkbxogvcb.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2600
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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
95KB
MD57298b6f583a7a5a3fad8adbacb8f22d0
SHA1fec8a84f2ce60c2bb0fd5c4595842c697c82cb73
SHA25629a23ae38297bd271a54c7d575653f69fd006e775a81d7988dbffccf38514317
SHA512344f2907355b13b3fd112e8130a5f9043e0b2ce8194b83c7d32a0959d2eafc67d4099fcf2de2574ea164fcb05cb9c74ac084c892bad7a8430bb7e9755dcff807