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General

  • Target

    SOA_1.xls

  • Size

    1.2MB

  • Sample

    231101-l9m6zagh76

  • MD5

    18d136d65a9ba1d8819f9dd525b507b7

  • SHA1

    095315780b4608aa3c2c998431be510a65bc8df7

  • SHA256

    f965fd659332137f24a3d7d759470200d973e9f1e17bcbe4b54ac1a84904fab9

  • SHA512

    b2580c22dbee84af55ec179b225d3c5f9e8a40010294e4fb5fcb4b6d28e58e22476ab002a9130f99642cd744b80cd0a67d7a110919528ec509d18f10cc965b82

  • SSDEEP

    24576:0uBSw6/uZyD3bV0w6/WZy43bVtEo84TA5YLp0JHOm9kyv0fLhedKwmx:v6/4K3bVH6/AP3bV7jTp9OHOmP8f97V

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      SOA_1.xls

    • Size

      1.2MB

    • MD5

      18d136d65a9ba1d8819f9dd525b507b7

    • SHA1

      095315780b4608aa3c2c998431be510a65bc8df7

    • SHA256

      f965fd659332137f24a3d7d759470200d973e9f1e17bcbe4b54ac1a84904fab9

    • SHA512

      b2580c22dbee84af55ec179b225d3c5f9e8a40010294e4fb5fcb4b6d28e58e22476ab002a9130f99642cd744b80cd0a67d7a110919528ec509d18f10cc965b82

    • SSDEEP

      24576:0uBSw6/uZyD3bV0w6/WZy43bVtEo84TA5YLp0JHOm9kyv0fLhedKwmx:v6/4K3bVH6/AP3bV7jTp9OHOmP8f97V

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • 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