Resubmissions

13/09/2021, 15:54

210913-tckctaeae610

13/09/2021, 15:52

210913-ta8bvshbcp10

Analysis

  • max time kernel
    138s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    13/09/2021, 15:54

General

  • Target
    0913_2985111453895.doc
  • Size 489KB
  • Sample210913-tckctaeae6
  • SHA256 dd3ef1d4374dd7dc49463c38c92376a9f88e795c00a59bb33c28bc9513e50940
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • hancitor

Botnet
  • 1309_memq

C2
  • http://weveresroyeas.ru/8/forum.php

  • http://muditations.ru/8/forum.php

  • http://gavelycappir.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 1 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 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 16 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\0913_2985111453895.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:4472
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:4900
      • C:\Windows\SYSTEM32\rundll32.exe
        rundll32.exe c:\users\admin\appdata\roaming\microsoft\templates\hhhh.mp3,SXTNKVTSIUI
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:564
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe c:\users\admin\appdata\roaming\microsoft\templates\hhhh.mp3,SXTNKVTSIUI
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:660

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/660-302-0x00000000012A0000-0x00000000012AA000-memory.dmp

          memory/660-301-0x0000000001220000-0x0000000001228000-memory.dmp

          memory/4472-119-0x00007FF9B7540000-0x00007FF9BA063000-memory.dmp

          memory/4472-124-0x00007FF9AE1A0000-0x00007FF9B0095000-memory.dmp

          memory/4472-123-0x00007FF9B3330000-0x00007FF9B441E000-memory.dmp

          memory/4472-120-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

          memory/4472-115-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

          memory/4472-118-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

          memory/4472-117-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

          memory/4472-116-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

          memory/4472-396-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

          memory/4472-397-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

          memory/4472-398-0x00007FF994F50000-0x00007FF994F60000-memory.dmp

          memory/4472-399-0x00007FF994F50000-0x00007FF994F60000-memory.dmp