General

  • Target
    e45523eb6530ab2ab416f165dce22e2f72a226ca896f87e1ccc280e76333a0bb.exe
  • Size 951KB
  • Sample260629-nbtbfabw9v
  • SHA256 e45523eb6530ab2ab416f165dce22e2f72a226ca896f87e1ccc280e76333a0bb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      e45523eb6530ab2ab416f165dce22e2f72a226ca896f87e1ccc280e76333a0bb.exe
    • Size 951KB
    • SHA256 e45523eb6530ab2ab416f165dce22e2f72a226ca896f87e1ccc280e76333a0bb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: AgentTesla

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

    • 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.

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks