General

  • Target
    7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe
  • Size 717KB
  • Sample240607-b9ybtsff8s
  • SHA256 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd.exe
    • Size 717KB
    • SHA256 7b49be821f82c0045d96a26ce306ee9a65c862f7311efddb54c30bcd27ad94bd
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • 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.

    • 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