Analysis

  • max time kernel
    146s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/11/2022, 11:37

General

  • Target
    c6516d10f79d45c87d738b32eb9184b1.doc
  • Size 1.3MB
  • Sample221108-nrbrbsebf2
  • SHA256 c359366e6f3523f42366ffed9bc8161abcaa3ddd5307f69f883b615cfc60df1d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • hancitor

Botnet
  • 2306_vensip

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

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

  • http://sakincesed.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 1 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.

  • 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 14 IoCs
  • Suspicious use of WriteProcessMemory 7 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\c6516d10f79d45c87d738b32eb9184b1.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:4808
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2876
      • C:\Windows\System32\rundll32.exe
        "C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\templates\kikus.dll,OFCBWXTHRNL
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:3360
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\templates\kikus.dll,OFCBWXTHRNL
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:1996

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          kikus.dll

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\kikus.dll
          • Size 721KB
          • SHA256 f8d9574964c00395d931c61778693a2e4568b143df4b1eedaa0ebbb46c0f1844
          • MD5 SHA1 SHA512 SSDEEP

          kikus.dll

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\kikus.dll
          • Size 721KB
          • SHA256 f8d9574964c00395d931c61778693a2e4568b143df4b1eedaa0ebbb46c0f1844
          • MD5 SHA1 SHA512 SSDEEP

          kikus.dll

          • Path \??\c:\users\admin\appdata\roaming\microsoft\templates\kikus.dll
          • Size 721KB
          • SHA256 f8d9574964c00395d931c61778693a2e4568b143df4b1eedaa0ebbb46c0f1844
          • MD5 SHA1 SHA512 SSDEEP

          memory/1996-147-0x0000000002220000-0x000000000222A000-memory.dmp

          memory/1996-148-0x0000000002220000-0x000000000222A000-memory.dmp

          memory/1996-146-0x00000000009A0000-0x00000000009A8000-memory.dmp

          memory/1996-145-0x0000000001FD0000-0x0000000002087000-memory.dmp

          memory/4808-135-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmp

          memory/4808-134-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmp

          memory/4808-133-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmp

          memory/4808-136-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmp

          memory/4808-138-0x00007FF8CF0D0000-0x00007FF8CF0E0000-memory.dmp

          memory/4808-132-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmp

          memory/4808-137-0x00007FF8CF0D0000-0x00007FF8CF0E0000-memory.dmp

          memory/4808-150-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmp

          memory/4808-151-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmp

          memory/4808-152-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmp

          memory/4808-153-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmp