Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    01/03/2021, 17:04

General

  • Target

    0301_203089882.doc

  • Size

    309KB

  • MD5

    dd655abe26d4749ee69cd8ddff49298f

  • SHA1

    1ff915cb2697fea83433bcf920a6ae45ba3c9b4e

  • SHA256

    5f0f68a7db1d84e3ab937cfe8ccb0cfe60ee44feae7c0e430c4a8357992e1ca4

  • SHA512

    60a5a481805decd3d8733f02dde8499b31c46f3e66e95f483b80bac4456c2269fd031ca5801e99f2d6e5321cde4930831caac9b7689698db9bf813dbe35e9bc7

Malware Config

Extracted

Family

hancitor

Botnet

0103_jepskew

C2

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

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

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

Signatures

  • Hancitor

    Hancitor is downloader used to deliver other malware families.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 3 IoCs
  • Loads dropped DLL 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 use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\0301_203089882.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:3880
      • C:\Windows\System32\rundll32.exe
        "C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,TJDGIAVOWBH
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:4288
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,TJDGIAVOWBH
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4296
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\System32\svchost.exe
            4⤵
              PID:1408

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1408-19-0x0000000000400000-0x0000000000448000-memory.dmp

              Filesize

              288KB

            • memory/1408-17-0x0000000000400000-0x0000000000448000-memory.dmp

              Filesize

              288KB

            • memory/3880-8-0x0000000002380000-0x0000000002481000-memory.dmp

              Filesize

              1.0MB

            • memory/4296-14-0x0000000000511000-0x0000000000526000-memory.dmp

              Filesize

              84KB

            • memory/4296-15-0x0000000000510000-0x000000000051A000-memory.dmp

              Filesize

              40KB

            • memory/4296-16-0x00000000001E0000-0x00000000001E1000-memory.dmp

              Filesize

              4KB

            • memory/4652-4-0x00007FFBBC480000-0x00007FFBBC490000-memory.dmp

              Filesize

              64KB

            • memory/4652-2-0x00007FFBBC480000-0x00007FFBBC490000-memory.dmp

              Filesize

              64KB

            • memory/4652-3-0x00007FFBBC480000-0x00007FFBBC490000-memory.dmp

              Filesize

              64KB

            • memory/4652-6-0x00007FFBBC480000-0x00007FFBBC490000-memory.dmp

              Filesize

              64KB

            • memory/4652-5-0x00007FFBDBC70000-0x00007FFBDC2A7000-memory.dmp

              Filesize

              6.2MB