General

  • Target

    b9c1a6f16208fce508f3fdb10a9fc1586d3aefd9d4c168fb5a4689cd6a26e33d

  • Size

    771KB

  • Sample

    240524-cl65hahf3z

  • MD5

    b5a9dd004a01778ab6cda9882a0b85d4

  • SHA1

    9b55c7091555ad8cd2d32b3fba6ecd0009118b57

  • SHA256

    b9c1a6f16208fce508f3fdb10a9fc1586d3aefd9d4c168fb5a4689cd6a26e33d

  • SHA512

    eb6d6f52902e69da8a8d74d42c854b7d0cea283f78d47bc06c244ab9a472837a45531f8c01f59b36e002ca85f9be6fb92edf556215fbaa19a2ff310ee05edaad

  • SSDEEP

    12288:WdsZqMKVDKduNFE+9E63324LAUR5ykNw2213LMCDvBdC4:WdW+VfFE+532dUR5ykC2IwCDvBM4

Malware Config

Extracted

Family

djvu

C2

http://cajgtus.com/test2/get.php

Attributes
  • extension

    .vehu

  • offline_id

    EGfa5svnSGFJka7LZBQoqff0QtO1IpTauoDvGvt1

  • 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/33b490a613f49fa190924f199d2c079e20240512191214/caaf73 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0872PsawqS

rsa_pubkey.plain

Targets

    • Target

      b9c1a6f16208fce508f3fdb10a9fc1586d3aefd9d4c168fb5a4689cd6a26e33d

    • Size

      771KB

    • MD5

      b5a9dd004a01778ab6cda9882a0b85d4

    • SHA1

      9b55c7091555ad8cd2d32b3fba6ecd0009118b57

    • SHA256

      b9c1a6f16208fce508f3fdb10a9fc1586d3aefd9d4c168fb5a4689cd6a26e33d

    • SHA512

      eb6d6f52902e69da8a8d74d42c854b7d0cea283f78d47bc06c244ab9a472837a45531f8c01f59b36e002ca85f9be6fb92edf556215fbaa19a2ff310ee05edaad

    • SSDEEP

      12288:WdsZqMKVDKduNFE+9E63324LAUR5ykNw2213LMCDvBdC4:WdW+VfFE+532dUR5ykC2IwCDvBM4

    • 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 Enterprise v15

Tasks