Analysis

  • max time kernel
    148s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/09/2026, 03:42

General

  • Target
    2026-09-07_375b4a1e0a1fe7b5b4e208c9975cde5c_babuk_destroyer_elex.exe
  • Size 82KB
  • Sample260909-d9lddabk2w
  • SHA256 39688a7dc3f4d8586bab557d11f042406244ccbf544042c2dba9a52210e19885
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • C:\Recovery\WindowsRE\RECOVER-README.txt

Ransom Note
  • --KRYBIT Your network/system was encrypted. Encrypted files have new extension. --Blog http://krybitxdpxohsmjooeb3gbgpmdddreh6mnflzac6bnezz74b7yje67yd.onion/ http://krybitx3fh5krdnhegyp2ob3lhizsaiadturtio3ginf7it5gsdgu2yd.onion/ http://krybitqsdzwmhnitvwuhvsntfgf2wrhxveyxroxpc44c6gkft2cqldyd.onion/ http://krybieodq754vlwufrsuxaswxb5zpxyibaawmed2jaduoz2e5m56hmid.onion/ -- Compromising and sensitive data We have downloaded compromising and sensitive data from you system/network If you refuse to communicate with us and we do not come to an agreement, your data will be published. Data includes: - Employees personal data, CVs, DL , SSN. - Complete network map including credentials for local and remote services. - Financial information including clients data, bills, budgets, annual reports, bank statements. - Complete datagrams/schemas/drawings for manufacturing in solidworks format - And more... -- Warning If you modify files - our decrypt software won't able to recover data If you use third party software - you can damage/modify files (see item 1) You need cipher key / our decrypt software to restore you files. The police or authorities will not be able to help you get the cipher key. We encourage you to consider your decisions. -- Recovery 1) Download tor browser: https://www.torproject.org/download/ 2) Visit the chat: http://krybitxdpxohsmjooeb3gbgpmdddreh6mnflzac6bnezz74b7yje67yd.onion/chat/0a0a926b7ae6c21d696580d91e2765f15dce9063180514e581eee79764a197d8/ 3) Use this ID to log in: 0a0a926b7ae6c21d696580d91e2765f15dce9063180514e581eee79764a197d8 Support in case chat is down (https://getsession.org/download): 054229c17f1ce65f5f91b0ec2f53b90ef8e0220441ac42ad5eee9fd076da2d5044
URLs
  • http://krybitxdpxohsmjooeb3gbgpmdddreh6mnflzac6bnezz74b7yje67yd.onion/

  • http://krybitx3fh5krdnhegyp2ob3lhizsaiadturtio3ginf7it5gsdgu2yd.onion/

  • http://krybitqsdzwmhnitvwuhvsntfgf2wrhxveyxroxpc44c6gkft2cqldyd.onion/

  • http://krybieodq754vlwufrsuxaswxb5zpxyibaawmed2jaduoz2e5m56hmid.onion/

  • http://krybitxdpxohsmjooeb3gbgpmdddreh6mnflzac6bnezz74b7yje67yd.onion/chat/0a0a926b7ae6c21d696580d91e2765f15dce9063180514e581eee79764a197d8/

  • https://getsession.org/download

Signatures

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (189) files with added filename extension

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

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

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

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

  • Interacts with shadow copies 3 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-07_375b4a1e0a1fe7b5b4e208c9975cde5c_babuk_destroyer_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-07_375b4a1e0a1fe7b5b4e208c9975cde5c_babuk_destroyer_elex.exe"
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4108
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:5840
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4956
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3564
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4736

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RECOVER-README.txt

        • Path C:\Recovery\WindowsRE\RECOVER-README.txt
        • Size 1KB
        • SHA256 cb640503cb7585ec7e76825e94e0437e993f38b20bf95aa09b625a6dbe9c7e3a
        • MD5 SHA1 SHA512 TLSH