General

  • Target

    Buran

  • Size

    214KB

  • Sample

    210108-kxm48vf5x6

  • MD5

    2f1ecf99dd8a2648dd013c5fe6ecb6f5

  • SHA1

    121c377693b96eef8e84861f091ef47e6fb6cae5

  • SHA256

    442bf867c8738c7231ff09db0715ec79d0ae15c050fbd46946c45b76a040d024

  • SHA512

    793eb6a3f3d0323b0749a35e372c9fcde15a912f32d74fc5fa0fc104c32d8348f431347fefd1c34e3d51d9b20432f8e66b9ae3b9523b4b4b21e76b6fd2ae8219

Score
10/10

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: uspex1@cock.li 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: uspex1@cock.li Reserved email: uspex2@cock.li Your personal ID: 7E0-36C-F53 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

uspex1@cock.li

uspex2@cock.li

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: uspex1@cock.li 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: uspex1@cock.li Reserved email: uspex2@cock.li Your personal ID: 611-63B-EB4 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

uspex1@cock.li

uspex2@cock.li

Targets

    • Target

      Buran

    • Size

      214KB

    • MD5

      2f1ecf99dd8a2648dd013c5fe6ecb6f5

    • SHA1

      121c377693b96eef8e84861f091ef47e6fb6cae5

    • SHA256

      442bf867c8738c7231ff09db0715ec79d0ae15c050fbd46946c45b76a040d024

    • SHA512

      793eb6a3f3d0323b0749a35e372c9fcde15a912f32d74fc5fa0fc104c32d8348f431347fefd1c34e3d51d9b20432f8e66b9ae3b9523b4b4b21e76b6fd2ae8219

    Score
    10/10
    • 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.

    • Deletes itself

    • 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 Matrix ATT&CK v6

Defense Evasion

File Deletion

2
T1107

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

2
T1490

Tasks