Resubmissions

31/03/2025, 00:22

250331-apdw1ssjs8 10

28/03/2025, 22:52

250328-2tfd7avl15 10

25/03/2025, 14:57

250325-sb3mbsxxht 10

Analysis

  • max time kernel
    434s
  • max time network
    548s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250314-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    28/03/2025, 22:52

General

  • Target

    RansomwareSamples/Cuba_08_03_2021_1130KB.exe

  • Size

    1.1MB

  • MD5

    a12e733ddbe6f404b27474fa0e5de61d

  • SHA1

    e8d0c95621a19131ef9480e58a8d6dd3d15c9acd

  • SHA256

    271ef3c1d022829f0b15f2471d05a28d4786abafd0a9e1e742bde3f6b36872ad

  • SHA512

    f27605a283e958690eb7ad50aa46110b6d155217ad09d658ad3f9c4368d4c66ab623a0cc3489d695a02db462fec3bcf8ebee13f9da1bd61e2e3db46de2d73ddf

  • SSDEEP

    12288:xtwee4XgIijsCMtcTCWVRapiyC9vwic8CPK3EOnA+u+:8efgIiICMtIChp8N2K3EOAK

Score
10/10

Malware Config

Extracted

Path

C:\Program Files\Common Files\DESIGNER\!!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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Windows\SysWOW64\cmd.exe
      /c del C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Cuba_08_03_2021_1130KB.exe >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\identity_proxy\stable.identity_helper.exe.manifest

    Filesize

    2KB

    MD5

    baf348f835280470f1dbbda227d57c50

    SHA1

    33ccf54df0b7dae599944125d620ac404e47d475

    SHA256

    c9b57c54c6b29ce104723841d63e86386621d26bd99b2dca5d761e0aba54c852

    SHA512

    17454125d55463153bd9eda6d8282d0f50f141be478886568f57e8b51fea1fce744b5637c47cf9a9d781e23a8fb6b6af1b9fea29d7c2cf17e3bdae07483bdea2

  • C:\Program Files\Common Files\DESIGNER\!!FAQ for Decryption!!.txt

    Filesize

    346B

    MD5

    69acb73a5829bdddc9a7cf322178c70f

    SHA1

    3cd71f6cc40c90322e027712403899db2976218b

    SHA256

    9aaf714f40a29e0b10c038a79e26a95a934b7eeec3512a970d8c80f8a6daebd5

    SHA512

    380b506e330f4592cceee56334131cf6493bd989464afc5503bbd6bec0b9073475cfabbd8f37e471cac9f67fbfe07e747660ff6b9f5e0d9d14761e80ead6c57e

  • memory/2732-0-0x0000000002150000-0x00000000021B0000-memory.dmp

    Filesize

    384KB

  • memory/2732-1-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2732-4735-0x0000000000400000-0x000000000051D000-memory.dmp

    Filesize

    1.1MB

  • memory/2732-8565-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2732-12726-0x0000000000400000-0x000000000051D000-memory.dmp

    Filesize

    1.1MB

  • memory/2732-14440-0x0000000000400000-0x000000000051D000-memory.dmp

    Filesize

    1.1MB

  • memory/2732-14441-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB