Analysis

  • max time kernel
    136s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    23/06/2021, 17:57

General

  • Target
    file.doc
  • Size 1.3MB
  • Sample210623-nrwltdtmme
  • SHA256 29f264a49e3bdc0f16cf04918cd24b563305c615fb624dd329bacc8ac6376d18
  • MD5 SHA1 SHA512

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

Extracted

Family
  • fickerstealer

C2
  • pospvisis.com:80

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.

  • fickerstealer

    Ficker is an infostealer written in Rust and ASM.

  • Blocklisted process makes network request 4 IoCs
  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 5 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 6 IoCs
  • Suspicious use of SetWindowsHookEx 14 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\file.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:3560
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1912
      • 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:1820
        • 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 use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2576
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\System32\svchost.exe
            4⤵
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            PID:3172

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2576-185-0x0000000003650000-0x0000000003673000-memory.dmp

          memory/2576-184-0x0000000003620000-0x0000000003643000-memory.dmp

          memory/3172-187-0x0000000000400000-0x0000000000448000-memory.dmp

          memory/3560-123-0x00007FF8E64F0000-0x00007FF8E83E5000-memory.dmp

          memory/3560-116-0x00007FF8CDBE0000-0x00007FF8CDBF0000-memory.dmp

          memory/3560-117-0x00007FF8CDBE0000-0x00007FF8CDBF0000-memory.dmp

          memory/3560-115-0x00007FF8CDBE0000-0x00007FF8CDBF0000-memory.dmp

          memory/3560-114-0x00007FF8CDBE0000-0x00007FF8CDBF0000-memory.dmp

          memory/3560-119-0x00007FF8CDBE0000-0x00007FF8CDBF0000-memory.dmp

          memory/3560-122-0x00007FF8E83F0000-0x00007FF8E94DE000-memory.dmp

          memory/3560-118-0x00007FF8EF4E0000-0x00007FF8F2003000-memory.dmp