General

  • Target

    ec662c73279f4a3772e3e549b07bcd67803292981afae931df4b63d47f6ac2a9.exe.zip

  • Size

    72KB

  • Sample

    231002-pa4apaae31

  • MD5

    fb717f755b084b93b92cde726c904604

  • SHA1

    9bfc65a5d6653a73070e033ae03428cae7add578

  • SHA256

    0f453b03bd85e87f357bf6e38a3d7f04c6351240e026c30e172cc748e6a49c14

  • SHA512

    4c5942b45a0da3b56cba528f2b839af3b7df002328e2334841b36fe315ac905c0012dce285ba6ad7cb90a9a36fa54ac253def2d51e2d3a5a2e8c699363991dee

  • SSDEEP

    1536:iaRm3UWDsqJaX2DUoe4TT093Y8AW3Tqo3gVUqHb8OHSpX:3m3UOZJaXro9T0hfTqo3gVUk8OypX

Score
10/10

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\RyukReadMe.html

Family

ryuk

Ransom Note
[email protected] balance of shadow universe Ryuk

Targets

    • Target

      ec662c73279f4a3772e3e549b07bcd67803292981afae931df4b63d47f6ac2a9.exe

    • Size

      76KB

    • MD5

      1fff77fb1958e7f730bb4de627a24d57

    • SHA1

      c3b071d324f095381bc604a46e1b8c5a89c68822

    • SHA256

      ec662c73279f4a3772e3e549b07bcd67803292981afae931df4b63d47f6ac2a9

    • SHA512

      53842ccf9a28f908f3e4ded42e5e925ce5c737c3b6458c6287f298cea948ecbac9ad18369f6b20665d6e0336e38b51d6aad43ec3bfbc155880b9361eef7acc61

    • SSDEEP

      1536:+ukv6BlkOCJSlq3//M/NqKTmPCQASm/dKRYHQiY0aB6:yvqlkOCJSQ3XM4P4SaKRYwF0aB

    Score
    10/10
    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks