General

  • Target

    7b90e2d9eae03af5fe0a9ddfd3f1d7df6db9871db1d435d48c075f4c8dbe0b79

  • Size

    762KB

  • Sample

    240424-x5z6hsga36

  • MD5

    66ccff6cb1be63616712acea12d0b9fa

  • SHA1

    9832493d43766a6f4944ce189c65020bf6918b90

  • SHA256

    7b90e2d9eae03af5fe0a9ddfd3f1d7df6db9871db1d435d48c075f4c8dbe0b79

  • SHA512

    8e951aaa62cca47328459427cb0ba1f12c211bf7f497ad870203d9001969984c3bff1160ac4c7c9ace3449af8b2b50bd8684cfa21641cada46d4324a41ab60c1

  • SSDEEP

    12288:vb5eFfVbEoFI2IqYbbZOjQrUOiKS7p6pTScqWMTTR7cJYjbqA9vJ7NUBLMAm/7fo:YFHFIgYX8QrUOihpGTz9Mh1Dvcs7cVEi

Malware Config

Extracted

Family

djvu

C2

http://cajgtus.com/test1/get.php

Attributes
  • extension

    .bgjs

  • offline_id

    Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://cajgtus.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/54cdfd152fe98eedb628a1f4ddb7076420240421150208/403a27 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: support@freshingmail.top Reserve e-mail address to contact us: datarestorehelpyou@airmail.cc Your personal ID: 0863PsawqS

rsa_pubkey.plain

Targets

    • Target

      7b90e2d9eae03af5fe0a9ddfd3f1d7df6db9871db1d435d48c075f4c8dbe0b79

    • Size

      762KB

    • MD5

      66ccff6cb1be63616712acea12d0b9fa

    • SHA1

      9832493d43766a6f4944ce189c65020bf6918b90

    • SHA256

      7b90e2d9eae03af5fe0a9ddfd3f1d7df6db9871db1d435d48c075f4c8dbe0b79

    • SHA512

      8e951aaa62cca47328459427cb0ba1f12c211bf7f497ad870203d9001969984c3bff1160ac4c7c9ace3449af8b2b50bd8684cfa21641cada46d4324a41ab60c1

    • SSDEEP

      12288:vb5eFfVbEoFI2IqYbbZOjQrUOiKS7p6pTScqWMTTR7cJYjbqA9vJ7NUBLMAm/7fo:YFHFIgYX8QrUOihpGTz9Mh1Dvcs7cVEi

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Checks computer location settings

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

    • Modifies file permissions

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks