General

  • Target

    e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe

  • Size

    809KB

  • Sample

    250111-gckmcswrgw

  • MD5

    1b024a71a37ea700d40a76071ca192ea

  • SHA1

    0129937d3bc300c2b493348b30c0d1ae77de8aed

  • SHA256

    e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc

  • SHA512

    3a35a87e9fe8a679a15ddb9fd1d59c4276eb123a2d168d9288154cfe83678e3552e48999002292abae8e71dae2f095ddee6300670981bfec6350916ac451f790

  • SSDEEP

    12288:W/Br54A1OQ1Wf5J3wdHNDTeB5VLQkK5tIuJVUmEL:ABr5ndWg5eBDEtbn/EL

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe

    • Size

      809KB

    • MD5

      1b024a71a37ea700d40a76071ca192ea

    • SHA1

      0129937d3bc300c2b493348b30c0d1ae77de8aed

    • SHA256

      e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc

    • SHA512

      3a35a87e9fe8a679a15ddb9fd1d59c4276eb123a2d168d9288154cfe83678e3552e48999002292abae8e71dae2f095ddee6300670981bfec6350916ac451f790

    • SSDEEP

      12288:W/Br54A1OQ1Wf5J3wdHNDTeB5VLQkK5tIuJVUmEL:ABr5ndWg5eBDEtbn/EL

    • AgentTesla

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

    • Agenttesla family

    • 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