Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/03/2024, 11:28

General

  • Target

    cb4a4ac976840e8a84711aeac6aae76f.dll

  • Size

    38KB

  • MD5

    cb4a4ac976840e8a84711aeac6aae76f

  • SHA1

    71bf7b6243d1e8c97824d2d4ba82e67da54b1f1f

  • SHA256

    57761d6896cb3313495222948035e0c623c103f404795db83202f5a08b7451ac

  • SHA512

    9cdaaf80f1f36068a845bc22cc18745547f35e5c432d0321118847c3548095d9dd1b4d09b64829df4af52ee93f4f0686521be8d1ac8e666cd0314eba54d1c9b7

  • SSDEEP

    768:O9GBkGdsCsnnnnFcirgeEifEoqe8lrEFbyPboAQBigQraqeaPZ6GduHnnnnnnob0:4GFdslnnnn2iN5feeyPbcBdQraqeaPZW

Score
7/10
upx

Malware Config

Signatures

  • 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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\cb4a4ac976840e8a84711aeac6aae76f.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\cb4a4ac976840e8a84711aeac6aae76f.dll
      2⤵
        PID:2968
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 632
          3⤵
          • Program crash
          PID:2836
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2968 -ip 2968
      1⤵
        PID:4840

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2968-0-0x0000000010000000-0x0000000010003000-memory.dmp

        Filesize

        12KB

      • memory/2968-1-0x0000000000F10000-0x0000000000F31000-memory.dmp

        Filesize

        132KB

      • memory/2968-3-0x0000000000F10000-0x0000000000F31000-memory.dmp

        Filesize

        132KB