Detection(s): DridexV4

Category Started On Completed On Duration Cuckoo Version
FILE 2025-09-20 20:50:55 2025-09-20 20:51:27 32 seconds 2.4-CAPE
Machine Label Manager Started On Shutdown On
custom custom KVM 2025-09-20 20:50:55 2025-09-20 20:51:27

Signatures

SetUnhandledExceptionFilter detected (possible anti-debug)
The binary contains an unknown PE section name indicative of packing
The binary likely contains encrypted or compressed data
Creates RWX memory
Yara detections observed in process dumps, payloads or dropped files
Anomalous binary characteristics

Screenshots

Network Analysis

Nothing to display.

Dropped Files

Nothing to display.

Payloads

cd29a3cb305b2a73ed6de0294278c6e92d7489e6a7c70a2af613dddb8bc4b9c6

Behavior Summary

Mutexes Nothing to display.
Executed Commands Nothing to display.
Created Services Nothing to display.
Started Services Nothing to display.

Processes

registry filesystem process threading services device network synchronization crypto browser

rundll32.exe PID: 2732, Parent PID: 3448, Full Path: C:\Windows\System32\rundll32.exe , Command Line: "C:\Windows\sysnative\rundll32.exe" "C:\Users\raciu\AppData\Local\Temp\f44fa283889f34d77252.exe.dll",#1

Accessed Files
  • C:\Users\raciu\AppData\Local\Temp\f44fa283889f34d77252.exe.dll.manifest
  • C:\Users\raciu\AppData\Local\Temp\f44fa283889f34d77252.exe.dll
  • C:\Users\raciu\AppData\Local\Temp\f44fa283889f34d77252.exe.dll.123.Manifest
  • C:\Users\raciu\AppData\Local\Temp\f44fa283889f34d77252.exe.dll.124.Manifest
  • C:\Users\raciu\AppData\Local\Temp\f44fa283889f34d77252.exe.dll.2.Manifest
  • C:\Windows\System32\rundll32.exe
Read Files Nothing to display.
Modified Files Nothing to display.
Deleted Files Nothing to display.
Registry Keys
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\SideBySide
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SideBySide\PreferExternalManifest
Read Registry Keys
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SideBySide\PreferExternalManifest
Modified Registry Keys Nothing to display.
Deleted Registry Keys Nothing to display.
Resolved APIs
  • kernel32.dll.VirtualAlloc
  • kernel32.dll.LoadLibraryA
  • kernel32.dll.GetProcAddress
  • kernel32.dll.RtlDeleteFunctionTable
  • kernel32.dll.RtlAddFunctionTable
  • kernel32.dll.VirtualProtect