General

  • Target

    dcef208fcdac3345c6899a478d16980f

  • Size

    416KB

  • Sample

    240325-b5rngsce96

  • MD5

    dcef208fcdac3345c6899a478d16980f

  • SHA1

    fd127c6ecaee57972b7acc3b8e4a2d3b25f928e0

  • SHA256

    824a76c39895bc3ad4f5dfc27fc3ac80d26514118c4669505a1f0cfdc8fdbcdc

  • SHA512

    28e403a6d66895a2461828f49acb2862602e6be94405657bee0aec5d35d86dd83713c4cd1f33d28b94fed6546633683f9ffa693d37dc94bc862f6584833f9fba

  • SSDEEP

    6144:iYdiLQNWloaXoLJYksETr0vpvejH6ols25A0LJjI4WHB/N7:BiLQqosgZs+8vejap0LJ6h

Malware Config

Extracted

Path

C:\$Recycle.Bin\!!! 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: [email protected] 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: [email protected] Reserved email: [email protected] Reserved email: [email protected] Your personal ID: 158-73B-9B3 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.

Extracted

Path

C:\$Recycle.Bin\!!! 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: [email protected] 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: [email protected] Reserved email: [email protected] Reserved email: [email protected] Your personal ID: D4E-0BB-31D 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.

Targets

    • Target

      dcef208fcdac3345c6899a478d16980f

    • Size

      416KB

    • MD5

      dcef208fcdac3345c6899a478d16980f

    • SHA1

      fd127c6ecaee57972b7acc3b8e4a2d3b25f928e0

    • SHA256

      824a76c39895bc3ad4f5dfc27fc3ac80d26514118c4669505a1f0cfdc8fdbcdc

    • SHA512

      28e403a6d66895a2461828f49acb2862602e6be94405657bee0aec5d35d86dd83713c4cd1f33d28b94fed6546633683f9ffa693d37dc94bc862f6584833f9fba

    • SSDEEP

      6144:iYdiLQNWloaXoLJYksETr0vpvejH6ols25A0LJjI4WHB/N7:BiLQqosgZs+8vejap0LJ6h

    • Buran

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

    • Detects Zeppelin payload

    • Zeppelin Ransomware

      Ransomware-as-a-service (RaaS) written in Delphi and first seen in 2019.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (7326) files with added filename extension

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

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks