General

  • Target

    adf29a219ba2d948dd856ee7abaa51babaa30e11ad3ca56b58e66336c3c2369f

  • Size

    69KB

  • Sample

    220201-bs2b6afcb6

  • MD5

    01f7032340473bfc2ee0ba47de9864fe

  • SHA1

    70ad6a3c69bd014264258daf75f490cd2a513f0b

  • SHA256

    adf29a219ba2d948dd856ee7abaa51babaa30e11ad3ca56b58e66336c3c2369f

  • SHA512

    87f815d1fdfb5ec388e631746701f07972cb8139d5691894db3854d37734f940758a307d2fb18976e6fca0532ada055409b2c41732619d2e770a9f304c7f358c

Malware Config

Extracted

Path

C:\ProgramData\Microsoft\User Account Pictures\FBF266-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .fbf266 --!!!!!!!!!!!!!!!!! If you don 't pay: 1) We will publish your data and technologies in the public domain 2) we will publish news about your hacking and data+technology leaks. This will affect your shares and shareholders. --!!!!!!!!!!!!!!!!! -- 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. -- Our encryption algorithms are very strong and your files are very well protected, 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 decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_fbf266: /2IAnu5olVkrMYTW1g0W5ytGsCXJIZGPn7A0bnel+vvmUVFzUK QjBQoe00REbMxzVs9ZrPwSu78sQXCS0sBAWGuufioJgxRlsT1Z 581sXsIrheDWRgiW4XWlxx7S3NBjZbJMmFzI9DogyT0lPZOheY IHI6cqZHf2wBAu18yeTt4cfKNfC+YwcuoxB3LA90Tecr03P7FR 1Zc4U6KdmOmyDVhT1FVo95hcfNsnVSmpZX9fTaCeLtTd6fqeFx IrhX82l6s9OE1IKMLIVGsXOlSCnM8TYX8y627CGw==}
URLs

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\C655BB-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .c655bb --!!!!!!!!!!!!!!!!! If you don 't pay: 1) We will publish your data and technologies in the public domain 2) we will publish news about your hacking and data+technology leaks. This will affect your shares and shareholders. --!!!!!!!!!!!!!!!!! -- 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. -- Our encryption algorithms are very strong and your files are very well protected, 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 decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_c655bb: 05m8PV6ODGYG+5WQ770fB2+Cw5/NVwZRm9RXwb9izudtf2YdrB RgSmhjUYLu3J6cHX9M4Fe2zdgC4TCfWcoRILVMoFXyApx9sT1Z 58TtxWj+JtiBQ/mbnnW9jcuV8qupbpQTQZ51vQLl/4yPuxEpaT GQoGkOt/+9Bb7QgXAdg6zpyeNnNn2Ps20y/Hmm2xJvpNO75f6e M56kwo1rNdDNARDPOVXC2gtvLZfHMEPaJhw/Mm/rQE4bxJw6wM vTjPzT5mEQxeRvFNM3BWdKCStebK26JT6l2REQZA==}
URLs

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target

      adf29a219ba2d948dd856ee7abaa51babaa30e11ad3ca56b58e66336c3c2369f

    • Size

      69KB

    • MD5

      01f7032340473bfc2ee0ba47de9864fe

    • SHA1

      70ad6a3c69bd014264258daf75f490cd2a513f0b

    • SHA256

      adf29a219ba2d948dd856ee7abaa51babaa30e11ad3ca56b58e66336c3c2369f

    • SHA512

      87f815d1fdfb5ec388e631746701f07972cb8139d5691894db3854d37734f940758a307d2fb18976e6fca0532ada055409b2c41732619d2e770a9f304c7f358c

    • Netwalker Ransomware

      Ransomware family with multiple versions. Also known as MailTo.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Sets service image path in registry

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Deletion

2
T1107

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks