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General

  • Target

    Fiyatteklifihk.exe

  • Size

    744KB

  • Sample

    250325-vb1tvayzax

  • MD5

    f41bb88f7e4dcf7da1752be392809076

  • SHA1

    a1d308e08021468587fb29bc902aae7f3ab415fc

  • SHA256

    db49472040ee226b7140171b9202e05386125f9b9e4ed7fce4509ed3c8a20db9

  • SHA512

    5d3c20b3f25affa7ac0ec365c532eafb36c8b3d01cf5aa50a677d9cc4b76fbe7be05482e1f1b79e47e764efa0e329dabb6b590ad081cff040546b925522a6301

  • SSDEEP

    12288:YdulYyOn6nzx7qJgB67Zlgns4HAJRt5O9uBsz8itCLH4G3HA2qU+F2d6qAQDHL:LY9n6nhb6CWO9uPZHA2z6qAQ

Malware Config

Extracted

Family

vipkeylogger

Targets

    • Target

      Fiyatteklifihk.exe

    • Size

      744KB

    • MD5

      f41bb88f7e4dcf7da1752be392809076

    • SHA1

      a1d308e08021468587fb29bc902aae7f3ab415fc

    • SHA256

      db49472040ee226b7140171b9202e05386125f9b9e4ed7fce4509ed3c8a20db9

    • SHA512

      5d3c20b3f25affa7ac0ec365c532eafb36c8b3d01cf5aa50a677d9cc4b76fbe7be05482e1f1b79e47e764efa0e329dabb6b590ad081cff040546b925522a6301

    • SSDEEP

      12288:YdulYyOn6nzx7qJgB67Zlgns4HAJRt5O9uBsz8itCLH4G3HA2qU+F2d6qAQDHL:LY9n6nhb6CWO9uPZHA2z6qAQ

    • 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