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General

  • Target

    946efedd1031acb02565b20f7457ba5e9ddfb660f4e8b008285bfc0b758109c7

  • Size

    657KB

  • Sample

    231125-c4ccvafh99

  • MD5

    44b3f77611eb5683fd24afe8dbd7b51e

  • SHA1

    0676080c4436fcd309e8dbef2446c4e24d2944e5

  • SHA256

    946efedd1031acb02565b20f7457ba5e9ddfb660f4e8b008285bfc0b758109c7

  • SHA512

    302c50f5c2be68a170d62bbd426184d5a7a5327b72292cae2f2ca63a37cc10c3a0531c2f6d8e0aee992b2416f05742f3679ab49aef6cc5b8e996681784931cc8

  • SSDEEP

    12288:vwxPgUrwBabekPXpxSHIjxrpLFm7OoOWf0h5KkrNGg7fqq/5pv:wKBabdPvS4Lp3m0hIkrN9LR

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    premium185.web-hosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    cooldown2013

Targets

    • Target

      946efedd1031acb02565b20f7457ba5e9ddfb660f4e8b008285bfc0b758109c7

    • Size

      657KB

    • MD5

      44b3f77611eb5683fd24afe8dbd7b51e

    • SHA1

      0676080c4436fcd309e8dbef2446c4e24d2944e5

    • SHA256

      946efedd1031acb02565b20f7457ba5e9ddfb660f4e8b008285bfc0b758109c7

    • SHA512

      302c50f5c2be68a170d62bbd426184d5a7a5327b72292cae2f2ca63a37cc10c3a0531c2f6d8e0aee992b2416f05742f3679ab49aef6cc5b8e996681784931cc8

    • SSDEEP

      12288:vwxPgUrwBabekPXpxSHIjxrpLFm7OoOWf0h5KkrNGg7fqq/5pv:wKBabdPvS4Lp3m0hIkrN9LR

    • AgentTesla

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Adds Run key to start application

    • 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