General

  • Target

    b9465c3d7b61974569376e9f8fb9a689d5cd629278ba7ee1605ad66e7ec5b48f

  • Size

    689KB

  • Sample

    240425-dr36gaee51

  • MD5

    2578069939add5ea403339d1fb4a4dd5

  • SHA1

    f227c186a1c0b83937778cc3715de7f831a24d79

  • SHA256

    b9465c3d7b61974569376e9f8fb9a689d5cd629278ba7ee1605ad66e7ec5b48f

  • SHA512

    b77288edf55dbb43449e0fc7e291f50a4995e50f25db911c1b5cb299ac86e67ce40d3f7ca1edbfd45cd0658b5278d322fc588bb24bbd4808ba94b83d0865effb

  • SSDEEP

    12288:bNgLeFR60FXlv312Z3fPxIalwUGUiHtYYfp47bI4uqe5Jy2a+7x/XOg0KMh6hpF:rFXJ312Z3aalmpNpObjeu2h7xmd/h6HF

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      b9465c3d7b61974569376e9f8fb9a689d5cd629278ba7ee1605ad66e7ec5b48f

    • Size

      689KB

    • MD5

      2578069939add5ea403339d1fb4a4dd5

    • SHA1

      f227c186a1c0b83937778cc3715de7f831a24d79

    • SHA256

      b9465c3d7b61974569376e9f8fb9a689d5cd629278ba7ee1605ad66e7ec5b48f

    • SHA512

      b77288edf55dbb43449e0fc7e291f50a4995e50f25db911c1b5cb299ac86e67ce40d3f7ca1edbfd45cd0658b5278d322fc588bb24bbd4808ba94b83d0865effb

    • SSDEEP

      12288:bNgLeFR60FXlv312Z3fPxIalwUGUiHtYYfp47bI4uqe5Jy2a+7x/XOg0KMh6hpF:rFXJ312Z3aalmpNpObjeu2h7xmd/h6HF

    • AgentTesla

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

    • 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.

    • Adds Run key to start application

    • 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