General

  • Target

    zeppelin.exe

  • Size

    214KB

  • Sample

    201203-nsvqttgd3a

  • MD5

    43a791cfe3e906f15a432943088450a1

  • SHA1

    0a2d12d30126385eb85d1ce88d06762bc429fb03

  • SHA256

    7055e8438da61efa50058acd4e010c634f5e33352e2ee6d1f013572f004b7101

  • SHA512

    372cb914052c02115f381e5dbc04d6885aa34a1dfa565b882eae7438681c1e14166b6bfbefb175cf2ca9cd036291057056b8c0a8b025c606c8a8f08eed4b466a

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? Pay $ 100 in BTC Write to email: uspex1@cock.li Reserved email: uspex2@cock.li Telegram: @uspex2 Your personal ID: 106-D50-1E2 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? Pay $ 100 in BTC Write to email: uspex1@cock.li Reserved email: uspex2@cock.li Telegram: @uspex2 Your personal ID: 2DA-F0B-017 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

      zeppelin.exe

    • Size

      214KB

    • MD5

      43a791cfe3e906f15a432943088450a1

    • SHA1

      0a2d12d30126385eb85d1ce88d06762bc429fb03

    • SHA256

      7055e8438da61efa50058acd4e010c634f5e33352e2ee6d1f013572f004b7101

    • SHA512

      372cb914052c02115f381e5dbc04d6885aa34a1dfa565b882eae7438681c1e14166b6bfbefb175cf2ca9cd036291057056b8c0a8b025c606c8a8f08eed4b466a

    • 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.

    • Deletes itself

    • 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 Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

2
T1490

Tasks