General

  • Target

    purchase order T&B19-20PO128.zip

  • Size

    642KB

  • Sample

    240927-jqzdsavfrb

  • MD5

    a4cd4f4baa82b89680d8a8daa49ec121

  • SHA1

    0d250d981c6b40e52f98f1edd2352a2f237f680f

  • SHA256

    6e7130e8abe05d8f0fd5b33e7a4963ce1e6f981a0c5273a253ab8e48ccb03723

  • SHA512

    7952ddac97ca280f49973527c7a6f8f9f38f35195e6236bb64285a3e819578ad77f070fb8a85f0896b16a721799acc21e0dd56a5f2a98c541228cef0615b5ee7

  • SSDEEP

    12288:/eiVYwDsoxC0+Gq2VgruGs7aLVz/dzCrNLdFGuVjdlIiWWESsE0oJ:miV9k0NMruGseLzGR3roiW5S700

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      purchase order T&B19-20PO128.exe

    • Size

      834KB

    • MD5

      bdb9d54e0a75220f742b55d10f11d4ee

    • SHA1

      e8f5e71b326b4f40347d9b83b12c75074b7c1a18

    • SHA256

      4a2262967b00cd610107b403747ed727fe8ca66d26716c4cee9b7d4c6ba81db2

    • SHA512

      c8b7d7f928d5281abed33c5378ee49d57b145ada70213f4d75de70e3fd8c1a211972ac157ab35b52d278813e5ea9683677738850f2bcb1573152667329a01467

    • SSDEEP

      12288:fJzsqbYwDcoze0+G02Vg/uGsXaRVz/dHCjNLhFGcVjdnIiWyEa7gP7r9r/+ppppN:19b9G0Nm/uGsqRziZLFSiWFa7g1q

    • 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.

    • 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