General

  • Target

    305c387f84962d7861c41d3d63d4565940b46aacbe7223ba29a4e99a5621bddc.docx

  • Size

    16KB

  • Sample

    231208-bxfagshh2v

  • MD5

    e530003ea1dd6d6e046a47d4468837db

  • SHA1

    a7fad286c9905440990b931024b54657a76adbc2

  • SHA256

    305c387f84962d7861c41d3d63d4565940b46aacbe7223ba29a4e99a5621bddc

  • SHA512

    2686294daaa3067f515ff08205083f5b8643122b3d1f7602ddc22023a42b7725cfd71142e1471f736475c48244b4276b5e840ae22fbe729ab632bb191b186435

  • SSDEEP

    384:ByXtwI6W9s8PL8wi4OEwH8TIbE91r2fR7JYMviDj32Tlt:BctAa5P3DOqnYJNRvej32Rt

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      305c387f84962d7861c41d3d63d4565940b46aacbe7223ba29a4e99a5621bddc.docx

    • Size

      16KB

    • MD5

      e530003ea1dd6d6e046a47d4468837db

    • SHA1

      a7fad286c9905440990b931024b54657a76adbc2

    • SHA256

      305c387f84962d7861c41d3d63d4565940b46aacbe7223ba29a4e99a5621bddc

    • SHA512

      2686294daaa3067f515ff08205083f5b8643122b3d1f7602ddc22023a42b7725cfd71142e1471f736475c48244b4276b5e840ae22fbe729ab632bb191b186435

    • SSDEEP

      384:ByXtwI6W9s8PL8wi4OEwH8TIbE91r2fR7JYMviDj32Tlt:BctAa5P3DOqnYJNRvej32Rt

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Abuses OpenXML format to download file from external location

    • 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.

    • 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