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General

  • Target

    bc5b120dcd3578f3f98b4958f3d0cdd4971953539952c15057a256d3d02ba54c

  • Size

    2.6MB

  • Sample

    240522-g1retaeh2y

  • MD5

    948a88709a52e0faa82db3f46a3ac72d

  • SHA1

    8bf5ffbfca5c7411dcb8c0bcb3756213b5f40a94

  • SHA256

    bc5b120dcd3578f3f98b4958f3d0cdd4971953539952c15057a256d3d02ba54c

  • SHA512

    8a2fed3b28569d1cf802e9e002af20ab9e98331cca8d3582bdbda308085d1a253783334ae3f94af1aa8e1c84694f738ea3c4485a9dba6e86f0cf596d44fb118e

  • SSDEEP

    24576:ObCj2sObHtqQ4QEfCr7w7yvuqqNq8FroaSaPXRackmrM4Biq7MhLv9GImmVfq4eD:ObCjPKNqQEfsw43qtmVfq4Q

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.me.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    RICHARD205lord

Targets

    • Target

      bc5b120dcd3578f3f98b4958f3d0cdd4971953539952c15057a256d3d02ba54c

    • Size

      2.6MB

    • MD5

      948a88709a52e0faa82db3f46a3ac72d

    • SHA1

      8bf5ffbfca5c7411dcb8c0bcb3756213b5f40a94

    • SHA256

      bc5b120dcd3578f3f98b4958f3d0cdd4971953539952c15057a256d3d02ba54c

    • SHA512

      8a2fed3b28569d1cf802e9e002af20ab9e98331cca8d3582bdbda308085d1a253783334ae3f94af1aa8e1c84694f738ea3c4485a9dba6e86f0cf596d44fb118e

    • SSDEEP

      24576:ObCj2sObHtqQ4QEfCr7w7yvuqqNq8FroaSaPXRackmrM4Biq7MhLv9GImmVfq4eD:ObCjPKNqQEfsw43qtmVfq4Q

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables packed with MEW

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • UPX dump on OEP (original entry point)

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks