Analysis

  • max time kernel
    453s
  • max time network
    455s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/05/2024, 17:51

General

  • Target
    $PLUGINSDIR/SelfDel.dll
  • Size 5KB
  • Sample240503-wfdesafa77
  • SHA256 d115bce0a787b4f895e700efe943695c8f1087782807d91d831f6015b0f98774
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4864
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
      2⤵
        PID:4620
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4620 -s 468
          3⤵
          • Program crash
          PID:1836
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4620 -ip 4620
      1⤵
        PID:4208

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/4620-0-0x00000000756F0000-0x00000000756F9000-memory.dmp

            memory/4620-1-0x00000000756F0000-0x00000000756F9000-memory.dmp