General

  • Target

    165005cb8423f38beba5461a10f3cf5fb69304013b5033463265c5457e48b76d.exe

  • Size

    561KB

  • Sample

    241017-bk4sbatfna

  • MD5

    f8b23495334eff37789ba6cf4f6a6f46

  • SHA1

    5bc2e5a2218015c5a9be057404d040f5a182382c

  • SHA256

    165005cb8423f38beba5461a10f3cf5fb69304013b5033463265c5457e48b76d

  • SHA512

    c145ac1b03bb1683cd156f98cd43446666745b33ef7709d00a7c420dc49f647c1d9d92ffe8ed84b098ad152e5f343b1abadaecd6bb0d71b5bcf4fef7de7ec5fe

  • SSDEEP

    12288:Ephg7eqHFK/zilwRYpvd/rAJ60X+3tLZstDQBmBvNMdQ:EphClg7RYpvNtddsFJ

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      165005cb8423f38beba5461a10f3cf5fb69304013b5033463265c5457e48b76d.exe

    • Size

      561KB

    • MD5

      f8b23495334eff37789ba6cf4f6a6f46

    • SHA1

      5bc2e5a2218015c5a9be057404d040f5a182382c

    • SHA256

      165005cb8423f38beba5461a10f3cf5fb69304013b5033463265c5457e48b76d

    • SHA512

      c145ac1b03bb1683cd156f98cd43446666745b33ef7709d00a7c420dc49f647c1d9d92ffe8ed84b098ad152e5f343b1abadaecd6bb0d71b5bcf4fef7de7ec5fe

    • SSDEEP

      12288:Ephg7eqHFK/zilwRYpvd/rAJ60X+3tLZstDQBmBvNMdQ:EphClg7RYpvNtddsFJ

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks