Analysis

  • max time kernel
    71s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    27/02/2025, 03:40

General

  • Target

    8bf01e5c0e48ae7f101d2e955f9829fa545449488b22d5bc1d02fc56545cb27e.exe

  • Size

    971KB

  • MD5

    f4ec22c70471ac39a3622273716f1186

  • SHA1

    f7136c8af02ac65cf8929b110f966d6323c8df43

  • SHA256

    8bf01e5c0e48ae7f101d2e955f9829fa545449488b22d5bc1d02fc56545cb27e

  • SHA512

    bb605bddc8e9e41800ff77300a3662166d30164ac82988220dfbeb8d748063a0a9d1eea3b08f7df2739bfa9dc76180854ba1e272ab204713a9dfec746fcefb70

  • SSDEEP

    12288:kOBVruzGqtOs0T0nUCPyCoX/Yx9cy0JINf5xUlxHil6/5mBkFMK7C3znAso:t6zGqos0T0Zd2Ax9e+vsxtBmvKEzng

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

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

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 3 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.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8bf01e5c0e48ae7f101d2e955f9829fa545449488b22d5bc1d02fc56545cb27e.exe
    "C:\Users\Admin\AppData\Local\Temp\8bf01e5c0e48ae7f101d2e955f9829fa545449488b22d5bc1d02fc56545cb27e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\8bf01e5c0e48ae7f101d2e955f9829fa545449488b22d5bc1d02fc56545cb27e.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2988
    • C:\Users\Admin\AppData\Local\Temp\8bf01e5c0e48ae7f101d2e955f9829fa545449488b22d5bc1d02fc56545cb27e.exe
      "C:\Users\Admin\AppData\Local\Temp\8bf01e5c0e48ae7f101d2e955f9829fa545449488b22d5bc1d02fc56545cb27e.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:2992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2792-21-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2792-1-0x0000000000B30000-0x0000000000C2A000-memory.dmp

    Filesize

    1000KB

  • memory/2792-2-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2792-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

    Filesize

    4KB

  • memory/2792-4-0x00000000744AE000-0x00000000744AF000-memory.dmp

    Filesize

    4KB

  • memory/2792-5-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2792-6-0x00000000052B0000-0x0000000005358000-memory.dmp

    Filesize

    672KB

  • memory/2792-3-0x0000000000590000-0x00000000005AE000-memory.dmp

    Filesize

    120KB

  • memory/2992-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2992-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2992-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2992-20-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2992-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2992-14-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2992-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2992-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2992-10-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2992-22-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2992-25-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB