General

  • Target

    1c71c9a1f55df1eaa11402798696fa7176155fabad5f69f8778d340a911d2651

  • Size

    2.2MB

  • Sample

    231203-cv2alshb7w

  • MD5

    07a27ce678e07245f97aea3ef3310005

  • SHA1

    475db932ef060ac59584b1130521ed0990c5a631

  • SHA256

    1c71c9a1f55df1eaa11402798696fa7176155fabad5f69f8778d340a911d2651

  • SHA512

    3aa52830da5696f170c50d6359ebd222858ef1579e3aae4f78fd8c7705f8a351dad09918261a230e834894502a1bf2339d616d4546bc0f35571bdb82523aa60e

  • SSDEEP

    49152:knsHyjtk2MYC5GDsHMxAJ4GIMqyBqYKhSVffgs54ouLwc:knsmtk2akxAJ4oqYLKhSlj2ouLwc

Malware Config

Targets

    • Target

      1c71c9a1f55df1eaa11402798696fa7176155fabad5f69f8778d340a911d2651

    • Size

      2.2MB

    • MD5

      07a27ce678e07245f97aea3ef3310005

    • SHA1

      475db932ef060ac59584b1130521ed0990c5a631

    • SHA256

      1c71c9a1f55df1eaa11402798696fa7176155fabad5f69f8778d340a911d2651

    • SHA512

      3aa52830da5696f170c50d6359ebd222858ef1579e3aae4f78fd8c7705f8a351dad09918261a230e834894502a1bf2339d616d4546bc0f35571bdb82523aa60e

    • SSDEEP

      49152:knsHyjtk2MYC5GDsHMxAJ4GIMqyBqYKhSVffgs54ouLwc:knsmtk2akxAJ4oqYLKhSlj2ouLwc

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • 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