General

  • Target

    b54b581b34dc387949ed8c6502bfe4a435aa17288cd4a5563339e7966a51c7eb

  • Size

    49KB

  • Sample

    240327-bjlv4sbf31

  • MD5

    9b4517dc8875fab1adea22996481d64e

  • SHA1

    6c548121d56a13cca9785aa0044a1d4e411c3a96

  • SHA256

    b54b581b34dc387949ed8c6502bfe4a435aa17288cd4a5563339e7966a51c7eb

  • SHA512

    355678b9814f83004d92a014f32b6b7d2367c70447425f7a81fa622a06d661a28e1bc6679e7e0d0310aafdfe042083a526f6e31b76be8cf249acf302471d5af0

  • SSDEEP

    768:uXyBP06LlsmK0+eq1EYR6B1iVE5VYKL6:uX686KmK0+eq141iVE5aKL

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.elquijotebanquetes.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    4r@d15PS!-!h

Targets

    • Target

      b54b581b34dc387949ed8c6502bfe4a435aa17288cd4a5563339e7966a51c7eb

    • Size

      49KB

    • MD5

      9b4517dc8875fab1adea22996481d64e

    • SHA1

      6c548121d56a13cca9785aa0044a1d4e411c3a96

    • SHA256

      b54b581b34dc387949ed8c6502bfe4a435aa17288cd4a5563339e7966a51c7eb

    • SHA512

      355678b9814f83004d92a014f32b6b7d2367c70447425f7a81fa622a06d661a28e1bc6679e7e0d0310aafdfe042083a526f6e31b76be8cf249acf302471d5af0

    • SSDEEP

      768:uXyBP06LlsmK0+eq1EYR6B1iVE5VYKL6:uX686KmK0+eq141iVE5aKL

    • AgentTesla

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

    • Blocklisted process makes network request

    • Abuses OpenXML format to download file from external location

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks