Analysis

  • max time kernel
    62s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    12-08-2022 17:41

General

  • Target

    liblzma-5.dll

  • Size

    169KB

  • MD5

    196ae4c5ca6ae3798ab5dc8c5d7aa142

  • SHA1

    394e13883afd0515336583eec394d16bb8568f24

  • SHA256

    3e4b4ccaf429c08fa11c6a3472ceab77709bf16d5dedd526a64f7ed42a9575db

  • SHA512

    3f0823f581f820300dddf7c2d67d77a8bc59c7345e59115dc64bcf393b2febc18d659411cf60eb19016de68a4d6dcb3b5beaba68a27cf4fe7908fb01a66cf183

Score
3/10

Malware Config

Signatures

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\liblzma-5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1320
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\liblzma-5.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:956
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 224
        3⤵
        • Program crash
        PID:1532

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/956-54-0x0000000000000000-mapping.dmp
  • memory/956-55-0x00000000751A1000-0x00000000751A3000-memory.dmp
    Filesize

    8KB

  • memory/1532-56-0x0000000000000000-mapping.dmp