General

  • Target

    4f7f151c4baa92b192d53da2d3338b7111653ed4bd8e61f6e0696164068f7144

  • Size

    217KB

  • Sample

    220305-tt2nesachj

  • MD5

    cffe48eed73a2006503d1094dd7e07bf

  • SHA1

    2484ea7e8661d7f21aadb7fb4d79748bc7baae73

  • SHA256

    4f7f151c4baa92b192d53da2d3338b7111653ed4bd8e61f6e0696164068f7144

  • SHA512

    959cd0e7ad00e019301747b0eb4f080f1e2227d360f01f6095c7fc2a8876158b1fbe644f9fc5156c290bbf756a62df26244cc3a94f811cdd9f6ef67c422af5eb

Malware Config

Extracted

Path

C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

Family

buran

Ransom Note
!!! ALL YOUR FILES ARE ENCRYPTED !!! All your files, documents, photos, databases and other important files are encrypted. You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. To be sure we have the decryptor and it works you can send an email: _______________ and decrypt one file for free. But this file should be of not valuable! Do you really want to restore your files? Write to email: _______________ Reserved email: _______________ Your personal ID: 664-2E4-EF9 Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
Emails

_______________

_______________

Targets

    • Target

      4f7f151c4baa92b192d53da2d3338b7111653ed4bd8e61f6e0696164068f7144

    • Size

      217KB

    • MD5

      cffe48eed73a2006503d1094dd7e07bf

    • SHA1

      2484ea7e8661d7f21aadb7fb4d79748bc7baae73

    • SHA256

      4f7f151c4baa92b192d53da2d3338b7111653ed4bd8e61f6e0696164068f7144

    • SHA512

      959cd0e7ad00e019301747b0eb4f080f1e2227d360f01f6095c7fc2a8876158b1fbe644f9fc5156c290bbf756a62df26244cc3a94f811cdd9f6ef67c422af5eb

    • Buran

      Ransomware-as-a-service based on the VegaLocker family first identified in 2019.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v6

Tasks