Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    16/02/2024, 01:02

General

  • Target
    $PLUGINSDIR/version.dll
  • Size 6KB
  • Sample240216-bd3xfadh46
  • SHA256 3eba921ef649b71f98d9378dee8105b38d2464c9ccde37a694e4a0cd77d22a75
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 1 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\version.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\version.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1944
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 228
        3⤵
        • Program crash
        PID:2780

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1944-3-0x00000000000F0000-0x00000000000FC000-memory.dmp

        memory/1944-2-0x00000000000E0000-0x00000000000EC000-memory.dmp

        memory/1944-1-0x00000000000E0000-0x00000000000EC000-memory.dmp

        memory/1944-0-0x00000000000E0000-0x00000000000EC000-memory.dmp

        memory/1944-6-0x00000000000E0000-0x00000000000EC000-memory.dmp

        memory/1944-7-0x00000000000E0000-0x00000000000EC000-memory.dmp

        memory/1944-8-0x00000000000E0000-0x00000000000EC000-memory.dmp