General

  • Target

    Purchase Order 0042040896.pdf.exe

  • Size

    878KB

  • Sample

    240829-l2awnsxfrq

  • MD5

    ae4cfb230b6f28fca299eea3b679d933

  • SHA1

    3c97f5f529e503ea0fd243d7d7fe2d333529ce37

  • SHA256

    9b17f0cbd9b4d79fbaf15b281746190dabd6bd1ea8ccf79508753191248d0ca6

  • SHA512

    0f745a8a282dfd2c980b64a9b9d75fc58b7d524795a9c635e1aa0850c11d583170fbcd7e0abd8117f990177da10986aab9540c96f116247efa80200bcff3ccd2

  • SSDEEP

    12288:vVVvzz88FYI7z/HXgFB19fiYzrqLmu8IsjVf2pjtIq33d3Qfy+P7r9r/+ppppppi:DVYAXgFD9frEF8Ispf2B3dA91q

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Purchase Order 0042040896.pdf.exe

    • Size

      878KB

    • MD5

      ae4cfb230b6f28fca299eea3b679d933

    • SHA1

      3c97f5f529e503ea0fd243d7d7fe2d333529ce37

    • SHA256

      9b17f0cbd9b4d79fbaf15b281746190dabd6bd1ea8ccf79508753191248d0ca6

    • SHA512

      0f745a8a282dfd2c980b64a9b9d75fc58b7d524795a9c635e1aa0850c11d583170fbcd7e0abd8117f990177da10986aab9540c96f116247efa80200bcff3ccd2

    • SSDEEP

      12288:vVVvzz88FYI7z/HXgFB19fiYzrqLmu8IsjVf2pjtIq33d3Qfy+P7r9r/+ppppppi:DVYAXgFD9frEF8Ispf2B3dA91q

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks