Analysis Overview
SHA256
d793ae4a6e60b0548f4dceff613b62dc7d374bae6633559640112e9d6e602a36
Threat Level: Known bad
The file JaffaCakes118_06dbe6b3400676590b1f9d0dfdba2cab was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Detects Mofksys worm
Mofksys
Pony family
Mofksys family
Modifies visiblity of hidden/system files in Explorer
Pony,Fareit
Boot or Logon Autostart Execution: Active Setup
Drops startup file
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V16
Analysis: static1
Detonation Overview
Reported
2025-05-19 01:41
Signatures
Pony family
Unsigned PE
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Analysis: behavioral1
Detonation Overview
Submitted
2025-05-19 01:41
Reported
2025-05-19 01:44
Platform
win10v2004-20250502-en
Max time kernel
74s
Max time network
134s
Command Line
Signatures
Detects Mofksys worm
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Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" | \??\c:\windows\system\explorer.exe | N/A |
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3623617754-4043701611-775564599-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\system\explorer.exe | N/A |
Mofksys
Mofksys family
Pony family
Pony,Fareit
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" | \??\c:\windows\system\explorer.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\JaffaCakes118_06dbe6b3400676590b1f9d0dfdba2cab.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06dbe6b3400676590b1f9d0dfdba2cab.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\JaffaCakes118_06dbe6b3400676590b1f9d0dfdba2cab.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06dbe6b3400676590b1f9d0dfdba2cab.exe | N/A |
Executes dropped EXE
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" | \??\c:\windows\system\explorer.exe | N/A |
Suspicious use of SetThreadContext