General

  • Target

    2b1856d3ce5251c6a90f5a121ecf552ab7df68a84711d16cbba4a634f13bfce5

  • Size

    2.6MB

  • Sample

    240610-ywcjjaydkb

  • MD5

    5ef7cb947d8630de6188c3538dbf52b7

  • SHA1

    e0116510c13ce7473b2c815ca3a8fda295ba8d00

  • SHA256

    2b1856d3ce5251c6a90f5a121ecf552ab7df68a84711d16cbba4a634f13bfce5

  • SHA512

    9add472e566b81aed8a89378bda66c5509c4bc506ee9249d6f6919dc689c2948aec758303541c730ce6c9854c0a53790d43d5a46bd844866c88a4007e7e617ea

  • SSDEEP

    24576:ObCj2sObHtqQ4QEfCr7w7yvuqqNq8FroaSaPXRackmrM4Biq7MhLv9GImmVfq4eG:ObCjPKNqQEfsw43qtmVfq4r

Malware Config

Extracted

Credentials

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

Targets

    • Target

      2b1856d3ce5251c6a90f5a121ecf552ab7df68a84711d16cbba4a634f13bfce5

    • Size

      2.6MB

    • MD5

      5ef7cb947d8630de6188c3538dbf52b7

    • SHA1

      e0116510c13ce7473b2c815ca3a8fda295ba8d00

    • SHA256

      2b1856d3ce5251c6a90f5a121ecf552ab7df68a84711d16cbba4a634f13bfce5

    • SHA512

      9add472e566b81aed8a89378bda66c5509c4bc506ee9249d6f6919dc689c2948aec758303541c730ce6c9854c0a53790d43d5a46bd844866c88a4007e7e617ea

    • SSDEEP

      24576:ObCj2sObHtqQ4QEfCr7w7yvuqqNq8FroaSaPXRackmrM4Biq7MhLv9GImmVfq4eG:ObCjPKNqQEfsw43qtmVfq4r

    • 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