Analysis

  • max time kernel
    202s
  • max time network
    277s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16-04-2024 19:36

General

  • Target

    $PLUGINSDIR/StdUtils.dll

  • Size

    99KB

  • MD5

    98a4efba4e4b566dc3d93d2d9bfcab58

  • SHA1

    8c54ae9fcec30b2beea8b6af4ead0a76d634a536

  • SHA256

    e2ad7736209d62909a356248fce8e554093339b18ef3e6a989a3c278f177ad48

  • SHA512

    2dbc9a71e666ebf782607d3ca108fd47aa6bce1d0ac2a19183cc5187dd342307b64cb88906369784518922a54ac20f408d5a58f77c0ed410e2ccf98e4e9e39a0

  • SSDEEP

    1536:Lyy+HcFWrX52XWcS15c4DBVOw/bEQvWt6uouMw5m0mhdBu4NpBTvO7Fvo6mVS6oN:Oy+8ozImcSNd1YHbMbC

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 1 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3748
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
      2⤵
        PID:3388

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3388-0-0x0000000000720000-0x0000000000732000-memory.dmp

      Filesize

      72KB

    • memory/3388-1-0x0000000000720000-0x0000000000732000-memory.dmp

      Filesize

      72KB