Resubmissions

12/11/2023, 11:37

231112-nrc96aff78 10

12/11/2023, 10:52

231112-myqcmaff37 10

General

  • Target

    demo.7z

  • Size

    3.8MB

  • Sample

    231112-myqcmaff37

  • MD5

    c187a67964317906c0ca397fee23edb0

  • SHA1

    5cd31001fe8304f4171d2eabff6e83db265cb967

  • SHA256

    596896cccc33940457c3b7067409a69279c5fadd8a442f72d01f9cfd53ac777c

  • SHA512

    4e0fd27d680a4857feae2aebcaa49690702eee391d90f24fdc66832a569f8a59111a03bbba48e6f0b2bb7cdfb8de19a56e8ecaee994099990ec147877ba1e7db

  • SSDEEP

    98304:T6TP0yqAerg5QxLzEHZorJC1bnY36cL1YSmxmJjEPqjJE+tm:T6hAJIHZxSSx0YPqj21

Malware Config

Targets

    • Target

      demo.7z

    • Size

      3.8MB

    • MD5

      c187a67964317906c0ca397fee23edb0

    • SHA1

      5cd31001fe8304f4171d2eabff6e83db265cb967

    • SHA256

      596896cccc33940457c3b7067409a69279c5fadd8a442f72d01f9cfd53ac777c

    • SHA512

      4e0fd27d680a4857feae2aebcaa49690702eee391d90f24fdc66832a569f8a59111a03bbba48e6f0b2bb7cdfb8de19a56e8ecaee994099990ec147877ba1e7db

    • SSDEEP

      98304:T6TP0yqAerg5QxLzEHZorJC1bnY36cL1YSmxmJjEPqjJE+tm:T6hAJIHZxSSx0YPqj21

    • Modifies WinLogon for persistence

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (1908) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Renames multiple (345) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Loads dropped DLL

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks