General

  • Target

    04673533c7fbdda693710153531ffc40N.exe

  • Size

    881KB

  • Sample

    240801-z9sy4swglm

  • MD5

    04673533c7fbdda693710153531ffc40

  • SHA1

    88a460822400b0ae932ec99c7c334f83b6f391d9

  • SHA256

    9c88bb71aa34b21af48ac9cba57f99476b2c31032b09c90b868e357dcdb471fd

  • SHA512

    924bdc15281808abe3697205193c719d306541acc085705c20dd28b6168d97087a946b4ecaea258385bdebba43971edb01182a91c197c3b6fc13d128e1f27825

  • SSDEEP

    24576:ryLOsEpHaAiLjPxj4um3Gkr4WvHYuX0J:ryLOsEp6AMJnsXv4dJ

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      04673533c7fbdda693710153531ffc40N.exe

    • Size

      881KB

    • MD5

      04673533c7fbdda693710153531ffc40

    • SHA1

      88a460822400b0ae932ec99c7c334f83b6f391d9

    • SHA256

      9c88bb71aa34b21af48ac9cba57f99476b2c31032b09c90b868e357dcdb471fd

    • SHA512

      924bdc15281808abe3697205193c719d306541acc085705c20dd28b6168d97087a946b4ecaea258385bdebba43971edb01182a91c197c3b6fc13d128e1f27825

    • SSDEEP

      24576:ryLOsEpHaAiLjPxj4um3Gkr4WvHYuX0J:ryLOsEp6AMJnsXv4dJ

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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 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.

    • 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