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General

  • Target

    dochus20230925.exe

  • Size

    1.0MB

  • Sample

    231011-rsh4kseh28

  • MD5

    363044c48c8d035c08cddcdb22bb0838

  • SHA1

    6ae25dd4586629db60429c3c66cac81ee735c9dc

  • SHA256

    7d31211e88bbc31cd128c1b5a3ae9e1dbbb823b449f807e3d3a6669047810dc1

  • SHA512

    c98eff4c05ccd72906c50ea863cece139ea27ef3aba9ed5c19c32338006b092b18176d628345695000a0d4d3ba5a99f9990ff29f1d2ebb716a5e3ea57f85b302

  • SSDEEP

    24576:eRT5oEFwWfz/1sAsSn46qttH6n6MYAUH+5ZxGIAU:eN5EWr/1sZSn46qX5J+5ZxRh

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      dochus20230925.exe

    • Size

      1.0MB

    • MD5

      363044c48c8d035c08cddcdb22bb0838

    • SHA1

      6ae25dd4586629db60429c3c66cac81ee735c9dc

    • SHA256

      7d31211e88bbc31cd128c1b5a3ae9e1dbbb823b449f807e3d3a6669047810dc1

    • SHA512

      c98eff4c05ccd72906c50ea863cece139ea27ef3aba9ed5c19c32338006b092b18176d628345695000a0d4d3ba5a99f9990ff29f1d2ebb716a5e3ea57f85b302

    • SSDEEP

      24576:eRT5oEFwWfz/1sAsSn46qttH6n6MYAUH+5ZxGIAU:eN5EWr/1sZSn46qX5J+5ZxRh

    • 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

    • 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