Overview

overview

10

Static

static

10

2025-12-10...to.exe

windows10-2004-x64

10

2025-12-10...to.exe

windows11-21h2-x64

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General

  • Target
    2025-12-10_d9abd9afa2135f84a362485743c61465_babuk_elex_mailto
  • Size 95KB
  • Sample251210-fy3vdstrd1
  • SHA256 ec338b1578293293bfb0d0eae474944b0b3d0327a9808a24cab1e7b55941ee07
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
netwalkerdefense_evasiondiscoveryexecutionimpactpersistenceransomware

Malware Config

Extracted

Path

  • C:\Program Files\edge_BITS_4388_1280109327\DBD63-Readme.txt

  • netwalker

Ransom Note
  • Hi! Your files are encrypted. All encrypted files for this computer has extension: .dbd63 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised, rebooting/shutdown will cause you to lose files without the possibility of recovery and even god will not be able to help you, it could be files on the network belonging to other users, sure you want to take that responsibility? -- Our encryption algorithms are very strong and your files are very well protected, you can't hope to recover them without our help. The only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypt program, you may damage them and then they will be impossible to recover. We advise you to contact us as soon as possible, otherwise there is a possibility that your files will never be returned. For us this is just business and to prove to you our seriousness, we will decrypt you some files for free, but we will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Contact us: [email protected] [email protected] Don't forget to include your code in the email: {code_1b1ea859_dbd63: pF2Jg2xCDF0eOFV7dgn9BvLQkhBL1OXJrCJFUD9UlAvJwg3W3t IjixH//pr8yn3TqSojLAXEgq4i9fp2URl8UJqB+D23SZ1LWage G4vuEhFYGZLYsNu91c5203gDhphsWjPXmSNceQbZRFO+a+ICyx MnIB8NFSP9n4/moTEN1w0bp79vHziOM9U3g3f1z+zOPiYBy3UX 2GEb005ZkwaM1QOO8TZy5RlQUJIPV3UsovWRKlI/hKnoYSjNnS SPrMOUOzIZTEOlMK6juQCg3AvoLjwBPyc=}

Extracted

Path

  • C:\Program Files\VideoLAN\VLC\locale\ka\LC_MESSAGES\DBD63-Readme.txt

  • netwalker

Ransom Note
  • Hi! Your files are encrypted. All encrypted files for this computer has extension: .dbd63 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised, rebooting/shutdown will cause you to lose files without the possibility of recovery and even god will not be able to help you, it could be files on the network belonging to other users, sure you want to take that responsibility? -- Our encryption algorithms are very strong and your files are very well protected, you can't hope to recover them without our help. The only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypt program, you may damage them and then they will be impossible to recover. We advise you to contact us as soon as possible, otherwise there is a possibility that your files will never be returned. For us this is just business and to prove to you our seriousness, we will decrypt you some files for free, but we will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Contact us: [email protected] [email protected] Don't forget to include your code in the email: {code_1b1ea859_dbd63: IGpdBAm14LlEfOzfqX/ItEy9UzzvDn4QQOwQMJ9YcnOb4/1I1L 9K3JaXWjUmwa3n5t1mMG7JbgJXgkkRmTEauzsZP6lZ/sU/Wage G+9+gPRFavTRqGX7C3NKZ2ScgfnVb3SS+/I3ZGV7n5tYyxnQYj sH08jm4/od6oj5+ZfRR1Nx8cyrDnJld2rITj7O2O90u3xSj6S+ dHtSYu84KnlX7XXbBRU/CY2luZmpMglQBAonmJH0SRvVZuioFM QhPvUfoLzOJTipezssI68XXMpkIy7DDQA=}

Extracted

Path

  • C:\Recovery\WindowsRE\B0A69-Readme.txt

  • netwalker

Ransom Note
  • Hi! Your files are encrypted. All encrypted files for this computer has extension: .b0a69 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised, rebooting/shutdown will cause you to lose files without the possibility of recovery and even god will not be able to help you, it could be files on the network belonging to other users, sure you want to take that responsibility? -- Our encryption algorithms are very strong and your files are very well protected, you can't hope to recover them without our help. The only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypt program, you may damage them and then they will be impossible to recover. We advise you to contact us as soon as possible, otherwise there is a possibility that your files will never be returned. For us this is just business and to prove to you our seriousness, we will decrypt you some files for free, but we will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Contact us: [email protected] [email protected] Don't forget to include your code in the email: {code_1b1ea859_b0a69: 7+KQAHY/pEleB8QPizyujehqtrUONz0SAhhpu2LPDyYwzUjDjU D6Q2fLpV4a4QFi6lZkfDidCx5S5p2mn5F+tfWrHLjq9QYaWage G9LiCQZeMoWSio/U1tWNP7UeGMk5pnL271SI7kDbB0Q8AOHlca wK3yYhR3m54a7bHYQa1SfRblmYJkyI4683/+apV584MkIJGwj1 s8TdVG5pATBvsmbWqur78CVzI1UrK9XHZ/gDjm1Y9OZdbtmGlr S9spvJe54dcPLp9tFO0epvkM6C/nFFHDQ=}

Targets

    • Target
      2025-12-10_d9abd9afa2135f84a362485743c61465_babuk_elex_mailto
    • Size 95KB
    • SHA256 ec338b1578293293bfb0d0eae474944b0b3d0327a9808a24cab1e7b55941ee07
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    defense_evasiondiscoveryexecutionnetwalkerimpactpersistenceransomware

    • Detected Netwalker Ransomware

      Detected unpacked Netwalker executable.

    • Netwalker Ransomware

      Ransomware family with multiple versions. Also known as MailTo.

      ransomwarenetwalker

    • Netwalker family

      netwalker

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (6887) files with added filename extension

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

      ransomware

    • Deletes itself

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks