Analysis
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max time kernel
150s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
26-01-2025 11:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_351928789edb6f939c5273203476d7d1.exe
Resource
win7-20240729-en
windows7-x64
16 signatures
150 seconds
General
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Target
JaffaCakes118_351928789edb6f939c5273203476d7d1.exe
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Size
142KB
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MD5
351928789edb6f939c5273203476d7d1
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SHA1
cb7ad08a83840210d964b43f039a6a30312d3811
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SHA256
21e80f12df0bc7cf3e350257e122e0cbe64a641fd7b120eac7b2379929016d4d
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SHA512
4360de9c2bd4755947dd12bdc44b0040f392ef16a99e51be9321876146568db95023cbe726953e6ee310ca3d3aec0d7309a206540f89d7e1ee23c6f10481842c
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SSDEEP
3072:yy9tGqOxnexUYMg2zk8jwaaHw7Koj4refqm6q38Rj:p9bpUZ6
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\\nwxxhttc\\vdpkrwds.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\vdpkrwds.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vdpkrwds.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2216 nikftvcymtxkjcdk.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 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\VdpKrwds = "C:\\Users\\Admin\\AppData\\Local\\nwxxhttc\\vdpkrwds.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_351928789edb6f939c5273203476d7d1.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 nikftvcymtxkjcdk.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe 2600 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 476 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe Token: SeDebugPrivilege 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe Token: SeSecurityPrivilege 2932 svchost.exe Token: SeSecurityPrivilege 2600 svchost.exe Token: SeDebugPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeSecurityPrivilege 2216 nikftvcymtxkjcdk.exe Token: SeLoadDriverPrivilege 2216 nikftvcymtxkjcdk.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe Token: SeBackupPrivilege 2600 svchost.exe Token: SeRestorePrivilege 2600 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2772 wrote to memory of 2932 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 30 PID 2772 wrote to memory of 2932 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 30 PID 2772 wrote to memory of 2932 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 30 PID 2772 wrote to memory of 2932 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 30 PID 2772 wrote to memory of 2932 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 30 PID 2772 wrote to memory of 2932 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 30 PID 2772 wrote to memory of 2932 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 30 PID 2772 wrote to memory of 2932 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 30 PID 2772 wrote to memory of 2932 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 30 PID 2772 wrote to memory of 2932 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 30 PID 2772 wrote to memory of 2600 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 31 PID 2772 wrote to memory of 2600 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 31 PID 2772 wrote to memory of 2600 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 31 PID 2772 wrote to memory of 2600 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 31 PID 2772 wrote to memory of 2600 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 31 PID 2772 wrote to memory of 2600 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 31 PID 2772 wrote to memory of 2600 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 31 PID 2772 wrote to memory of 2600 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 31 PID 2772 wrote to memory of 2600 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 31 PID 2772 wrote to memory of 2600 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 31 PID 2772 wrote to memory of 2216 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 32 PID 2772 wrote to memory of 2216 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 32 PID 2772 wrote to memory of 2216 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 32 PID 2772 wrote to memory of 2216 2772 JaffaCakes118_351928789edb6f939c5273203476d7d1.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_351928789edb6f939c5273203476d7d1.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_351928789edb6f939c5273203476d7d1.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2772 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2932
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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:2600
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C:\Users\Admin\AppData\Local\Temp\nikftvcymtxkjcdk.exe"C:\Users\Admin\AppData\Local\Temp\nikftvcymtxkjcdk.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2216
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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
142KB
MD5351928789edb6f939c5273203476d7d1
SHA1cb7ad08a83840210d964b43f039a6a30312d3811
SHA25621e80f12df0bc7cf3e350257e122e0cbe64a641fd7b120eac7b2379929016d4d
SHA5124360de9c2bd4755947dd12bdc44b0040f392ef16a99e51be9321876146568db95023cbe726953e6ee310ca3d3aec0d7309a206540f89d7e1ee23c6f10481842c