Analysis

  • max time kernel
    92s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    02/07/2021, 12:08

General

  • Target

    triage_dropped_file.dll

  • Size

    486KB

  • MD5

    c181d20af08c0c630fa5e2a7b3d564e3

  • SHA1

    794eb9a69b1c059d94895dfbba6fa6bdbfb9e336

  • SHA256

    344563d0d00d4d81f219a96cea0f87bc2b11f8cedb4ab7ff130a4f0fae42baa5

  • SHA512

    9bc38f7aa5de13ba424265967007601ed30b92aceefe9c3fbd297dd81ef015640c46a84758d759c0db842e21cb012fd7c03c0a82e630821ef39b4f349147fb26

Malware Config

Extracted

Family

hancitor

Botnet

2806_ldfa1

C2

http://raeonoran.com/8/forum.php

http://duclowtionly.ru/8/forum.php

http://unteladenad.ru/8/forum.php

Signatures

  • Hancitor

    Hancitor is downloader used to deliver other malware families.

  • Blocklisted process makes network request 2 IoCs
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 7 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:1104
    • 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
      PID:1868

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1868-60-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

    Filesize

    8KB

  • memory/1868-61-0x0000000000150000-0x0000000000158000-memory.dmp

    Filesize

    32KB

  • memory/1868-62-0x0000000000170000-0x000000000017A000-memory.dmp

    Filesize

    40KB