General

  • Target

    Request for Quotation MK FMHS.RFQ.24.11.21.bat.exe

  • Size

    994KB

  • Sample

    241121-nf8lxs1rat

  • MD5

    1ae7a890014eba9c807c6adeabac7671

  • SHA1

    e3b92645849a3e064d9fc401badf115dab013839

  • SHA256

    bba1825bd893328442cb891a35420a5da41a5431d1ade643f085c5992e763d3a

  • SHA512

    3a54469caeb4052cb4b842b30292e5ae00c9bf2a29f0d293d975d7bd0283d657c2fb4c9fd0df0797782eda78474a9eab5f8fa6d1ff66ceaf59f00e128fbab2d7

  • SSDEEP

    24576:Yij0gzjizxWgioJqE9p9jzOtXGnwaEalbcHNGtAlUDRL:1zjkW2H9p9PmXMOHNzUDB

Malware Config

Extracted

Family

vipkeylogger

Credentials

Targets

    • Target

      Request for Quotation MK FMHS.RFQ.24.11.21.bat.exe

    • Size

      994KB

    • MD5

      1ae7a890014eba9c807c6adeabac7671

    • SHA1

      e3b92645849a3e064d9fc401badf115dab013839

    • SHA256

      bba1825bd893328442cb891a35420a5da41a5431d1ade643f085c5992e763d3a

    • SHA512

      3a54469caeb4052cb4b842b30292e5ae00c9bf2a29f0d293d975d7bd0283d657c2fb4c9fd0df0797782eda78474a9eab5f8fa6d1ff66ceaf59f00e128fbab2d7

    • SSDEEP

      24576:Yij0gzjizxWgioJqE9p9jzOtXGnwaEalbcHNGtAlUDRL:1zjkW2H9p9PmXMOHNzUDB

    • 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

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads user/profile data of local email clients

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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks