Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    14/07/2022, 06:26

General

  • Target
    _2866571907494.vbs
  • Size 579KB
  • Sample220714-g7mefadae4
  • SHA256 13aa175c12cd675b2a32d5bd252d35352811a036046e042ac5d1454957972bee
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • hancitor

Botnet
  • 1212_78342432

C2
  • http://vistiver.com/4/forum.php

  • http://thimemple.ru/4/forum.php

  • http://capandotd.ru/4/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.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_2866571907494.vbs"
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1364
  • C:\Windows\system32\regsvr32.exe
    regsvr32.exe -s C:\Users\Admin\AppData\Local\Temp\htHvf.txt
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of WriteProcessMemory
    PID:4252
    • C:\Windows\SysWOW64\regsvr32.exe
      -s C:\Users\Admin\AppData\Local\Temp\htHvf.txt
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4228
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\System32\svchost.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3024

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        htHvf.txt

        • Path C:\Users\Admin\AppData\Local\Temp\htHvf.txt
        • Size 136KB
        • SHA256 42cb082a5dcb4ef8a553d38b15f87aa0f5f408a8b78adf3320288320fac5c24d
        • MD5 SHA1 SHA512 SSDEEP

        htHvf.txt

        • Path C:\Users\Admin\AppData\Local\Temp\htHvf.txt
        • Size 136KB
        • SHA256 42cb082a5dcb4ef8a553d38b15f87aa0f5f408a8b78adf3320288320fac5c24d
        • MD5 SHA1 SHA512 SSDEEP

        memory/3024-135-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/3024-137-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/3024-139-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/3024-140-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/4228-133-0x00000000003E0000-0x00000000003E9000-memory.dmp

        memory/4228-138-0x00000000020A0000-0x00000000020AC000-memory.dmp