Analysis

  • max time kernel
    145s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 20:18

General

  • Target

    FinalDraftDocument.exe

  • Size

    488KB

  • MD5

    809e7ea49edaf85cb1d5bd558e5c5193

  • SHA1

    0eccd79c5a83552cfdbb869bf800946b07373203

  • SHA256

    9b6a9353b8f6dd2125d0b15d32724606744990de68541d8714153935e7f69a2a

  • SHA512

    4e18195b6a226bf6e427ecc8bbf9bed6fe4075411b9d26971510222fa8fd39778cac8dd85fc58c22dca1012d2e6bd10f09eec69983e99d43c890bd2a52cde58f

  • SSDEEP

    12288:jrvWGrvWvrvWZrvWb2BKMAKtWjg8lNqOi/GUr:jLWGLWvLWZLWqQHjlNqbrr

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot8077340278:AAH_Kxl1wfWRxGS3WgpXXx6UyRcTAMq6dmU/sendMessage?chat_id=5325450360

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FinalDraftDocument.exe
    "C:\Users\Admin\AppData\Local\Temp\FinalDraftDocument.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:2380
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2496

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2496-4-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/2496-8-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/2496-6-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/2496-11-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2496-12-0x00000000006D0000-0x0000000000710000-memory.dmp

      Filesize

      256KB

    • memory/2496-13-0x00000000006D0000-0x0000000000710000-memory.dmp

      Filesize

      256KB

    • memory/2496-14-0x00000000006D0000-0x0000000000710000-memory.dmp

      Filesize

      256KB

    • memory/2496-15-0x00000000006D0000-0x0000000000710000-memory.dmp

      Filesize

      256KB

    • memory/2932-2-0x0000000000280000-0x0000000000281000-memory.dmp

      Filesize

      4KB

    • memory/2932-3-0x0000000000290000-0x0000000000298000-memory.dmp

      Filesize

      32KB

    • memory/2932-9-0x0000000000290000-0x0000000000298000-memory.dmp

      Filesize

      32KB