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General

  • Target

    Purchase Order _ CCI-12623-11.exe

  • Size

    647KB

  • Sample

    230306-lfwagsah71

  • MD5

    a264328f4b1486826ed7b0c3d8d428bf

  • SHA1

    bfc9d56eb0438268ae48d8082307e1178ff9a04e

  • SHA256

    d1b62846981e914c930a4edbe940ddf7af722fc9eb3906b9c9dea438f8934c0c

  • SHA512

    731c01f1a7b6bec4b4bdb9b0414075d0ce685a5ca8486694d04927572c0777bc2ef2359fb3770811271deab6009d1c8d23cabdd329d91fed384f4b515b506cbd

  • SSDEEP

    12288:/YP92sxyJ30cMwuUEwt7PyjRpsNUojBUQld/Zv2ZE5+7LEv/d9FCSlDM:/YP4REwuUdt76jfZkBU8/v2ZEQLOdzDS

Malware Config

Targets

    • Target

      Purchase Order _ CCI-12623-11.exe

    • Size

      647KB

    • MD5

      a264328f4b1486826ed7b0c3d8d428bf

    • SHA1

      bfc9d56eb0438268ae48d8082307e1178ff9a04e

    • SHA256

      d1b62846981e914c930a4edbe940ddf7af722fc9eb3906b9c9dea438f8934c0c

    • SHA512

      731c01f1a7b6bec4b4bdb9b0414075d0ce685a5ca8486694d04927572c0777bc2ef2359fb3770811271deab6009d1c8d23cabdd329d91fed384f4b515b506cbd

    • SSDEEP

      12288:/YP92sxyJ30cMwuUEwt7PyjRpsNUojBUQld/Zv2ZE5+7LEv/d9FCSlDM:/YP4REwuUdt76jfZkBU8/v2ZEQLOdzDS

    • AgentTesla

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

    • 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 v6

Tasks