Analysis

  • max time kernel
    131s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 21:41

General

  • Target

    42b3476ac872b08cc5751369855cac80e2006f9062ef8dfbab4390f9312a2740.dll

  • Size

    76KB

  • MD5

    2a86b12e50fc0796e5c8a14e2a67bce0

  • SHA1

    d13dbdbc4cd1e27f136525755237db0b71defb68

  • SHA256

    42b3476ac872b08cc5751369855cac80e2006f9062ef8dfbab4390f9312a2740

  • SHA512

    69b12249c4fc65bfbfc465b12ba3b9722d67c2e059bee9d9b349fa12fc170c681b3d8bb2699ac732c7cd2a408a54bbc7a068842c9a8961ff47d2a33ad137e44f

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z+T5c:c8y93KQjy7G55riF1cMo038a

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • UPX packed file 2 IoCs

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

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\42b3476ac872b08cc5751369855cac80e2006f9062ef8dfbab4390f9312a2740.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\42b3476ac872b08cc5751369855cac80e2006f9062ef8dfbab4390f9312a2740.dll,#1
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3572
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 700
        3⤵
        • Program crash
        PID:440
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3572 -ip 3572
    1⤵
      PID:3396

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3572-0-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3572-1-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB