Analysis

  • max time kernel
    132s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/06/2024, 04:01

General

  • Target
    0524_4109399728218.doc_jax.dll
  • Size 704KB
  • Sample240626-eldjastena
  • SHA256 2a8b737a4752060a308c4312b7c0cf6c05cde5b370906286dea9cdd36f5aa613
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hancitor

Botnet
  • 2405_pin43

C2
  • http://thowerteigime.com/8/forum.php

  • http://euvereginumet.ru/8/forum.php

  • http://rhopulforopme.ru/8/forum.php

Signatures

  • Hancitor

    Hancitor is downloader used to deliver other malware families.

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0524_4109399728218.doc_jax.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0524_4109399728218.doc_jax.dll,#1
      2⤵
        PID:4800
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 640
          3⤵
          • Program crash
          PID:3108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4800 -ip 4800
      1⤵
        PID:4076

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/4800-0-0x00000000020C0000-0x0000000002174000-memory.dmp

            memory/4800-1-0x0000000002300000-0x0000000002308000-memory.dmp

            memory/4800-2-0x0000000002320000-0x000000000232A000-memory.dmp

            memory/4800-3-0x00000000020C0000-0x0000000002174000-memory.dmp