Analysis

  • max time kernel
    143s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    07/07/2021, 00:35

General

  • Target
    triage_dropped_file.dll
  • Size 291KB
  • Sample210707-vgj949jfba
  • SHA256 d6c7b5f170665c8efc084b4f841ea26c4bfa6f7ed9ed6cbc6712c0a0788ae3cb
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • hancitor

Botnet
  • 0607_qxwd0

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

  • http://mancause.ru/8/forum.php

  • http://hievescits.ru/8/forum.php

Signatures

  • Hancitor

    Hancitor is downloader used to deliver other malware families.

  • Blocklisted process makes network request 4 IoCs
  • Downloads MZ/PE file
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3196
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\System32\svchost.exe
        3⤵
          PID:3176

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/3196-115-0x0000000073910000-0x000000007391A000-memory.dmp

          memory/3196-116-0x00000000029F0000-0x00000000029F1000-memory.dmp