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General

  • Target

    USyhqVZT33vX26Y.exe

  • Size

    720KB

  • Sample

    240619-s3rddaxeln

  • MD5

    dedf5b15b0b0d4fad0a8ec0d0477b6ac

  • SHA1

    84d0998b5103c0a2c2ec708b79b4cadd197ee524

  • SHA256

    7531e98fb2dc9eedc35253f91f49be3c4f17a7f0dd976766ad753d11b77cde28

  • SHA512

    cc1b10c63c97c4ca03a9e6e9a0022b3ac82f04e9edd5e44f0a47f517a0dccb35bada151831f9145df0caa09168452f7a0d0832cf808aa5b431213af0042c8f4b

  • SSDEEP

    12288:ffQoKq/6lZj9t7Jd+ufpEKrB7GrqLslJbvppfofL4OsLzQ91J5BYKOBOnpqEAmDv:pKq/wt9ZJHfpt7wrpp8sLM/mKOMqa

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      USyhqVZT33vX26Y.exe

    • Size

      720KB

    • MD5

      dedf5b15b0b0d4fad0a8ec0d0477b6ac

    • SHA1

      84d0998b5103c0a2c2ec708b79b4cadd197ee524

    • SHA256

      7531e98fb2dc9eedc35253f91f49be3c4f17a7f0dd976766ad753d11b77cde28

    • SHA512

      cc1b10c63c97c4ca03a9e6e9a0022b3ac82f04e9edd5e44f0a47f517a0dccb35bada151831f9145df0caa09168452f7a0d0832cf808aa5b431213af0042c8f4b

    • SSDEEP

      12288:ffQoKq/6lZj9t7Jd+ufpEKrB7GrqLslJbvppfofL4OsLzQ91J5BYKOBOnpqEAmDv:pKq/wt9ZJHfpt7wrpp8sLM/mKOMqa

    • AgentTesla

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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