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Analysis

  • max time kernel
    417s
  • max time network
    443s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/07/2024, 14:07

General

  • Target
    RansomwareSamples/Cuba_08_03_2021_1130KB.exe
  • Size 1.1MB
  • Sample240707-rfgd8atekm
  • SHA256 271ef3c1d022829f0b15f2471d05a28d4786abafd0a9e1e742bde3f6b36872ad
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Path
  • C:\Program Files\Common Files\microsoft shared\ink\ar-SA\!!FAQ for Decryption!!.txt

Ransom Note
  • Good day. All your files are encrypted. For decryption contact us. Write here [email protected] We also inform that your databases, ftp server and file server were downloaded by us to our servers. * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss.

Signatures

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Cuba_08_03_2021_1130KB.exe
    "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Cuba_08_03_2021_1130KB.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:800
    • C:\Windows\SysWOW64\cmd.exe
      /c del C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Cuba_08_03_2021_1130KB.exe >> NUL
      2⤵
        PID:2804

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          !!FAQ for Decryption!!.txt

          • Path C:\Program Files\Common Files\microsoft shared\ink\ar-SA\!!FAQ for Decryption!!.txt
          • Size 346B
          • SHA256 9aaf714f40a29e0b10c038a79e26a95a934b7eeec3512a970d8c80f8a6daebd5
          • MD5 SHA1 SHA512

          memory/800-4988-0x0000000000400000-0x000000000051D000-memory.dmp

          memory/800-9718-0x0000000000400000-0x000000000051D000-memory.dmp

          memory/800-0-0x0000000000400000-0x000000000051D000-memory.dmp

          memory/800-1316-0x0000000000400000-0x000000000051D000-memory.dmp

          memory/800-2002-0x0000000000400000-0x000000000051D000-memory.dmp

          memory/800-2835-0x0000000000400000-0x000000000051D000-memory.dmp

          memory/800-2-0x0000000000400000-0x000000000046C000-memory.dmp

          memory/800-7236-0x0000000000400000-0x000000000051D000-memory.dmp

          memory/800-4322-0x0000000000400000-0x000000000046C000-memory.dmp

          memory/800-8957-0x0000000000400000-0x000000000051D000-memory.dmp

          memory/800-1-0x0000000002270000-0x00000000022D0000-memory.dmp

          memory/800-11034-0x0000000000400000-0x000000000051D000-memory.dmp

          memory/800-12062-0x0000000000400000-0x000000000051D000-memory.dmp

          memory/800-12480-0x0000000000400000-0x000000000046C000-memory.dmp

          memory/800-12479-0x0000000000400000-0x000000000051D000-memory.dmp