General

  • Target

    4506b8d75ebfa7568e425037279230b1339469b39029d684c12c3bd81d9b4248

  • Size

    728KB

  • Sample

    240520-sx3t8agc7t

  • MD5

    e12909cffd6d09bcf75f0db7e498c03a

  • SHA1

    f15fd53344c0d5c5beb283244245792030d09e4c

  • SHA256

    4506b8d75ebfa7568e425037279230b1339469b39029d684c12c3bd81d9b4248

  • SHA512

    3f8c1a4a95d626a6cd2febe9de1d46496f4a72e92c4d5d970fb7eae662c6e3f9a42b76b0054526df40c9b841a0f862d54c5da7bb3640698741df154b6d1fe0c4

  • SSDEEP

    12288:jbZxTQrdsTzjcddlpGsPP+/wbJ8Gz7RvovMcCOoY051q0:kpsTzYddlxYC8G3Wvp6rq0

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .vepi

  • 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: 0871PsawqS

rsa_pubkey.plain

Targets

    • Target

      4506b8d75ebfa7568e425037279230b1339469b39029d684c12c3bd81d9b4248

    • Size

      728KB

    • MD5

      e12909cffd6d09bcf75f0db7e498c03a

    • SHA1

      f15fd53344c0d5c5beb283244245792030d09e4c

    • SHA256

      4506b8d75ebfa7568e425037279230b1339469b39029d684c12c3bd81d9b4248

    • SHA512

      3f8c1a4a95d626a6cd2febe9de1d46496f4a72e92c4d5d970fb7eae662c6e3f9a42b76b0054526df40c9b841a0f862d54c5da7bb3640698741df154b6d1fe0c4

    • SSDEEP

      12288:jbZxTQrdsTzjcddlpGsPP+/wbJ8Gz7RvovMcCOoY051q0:kpsTzYddlxYC8G3Wvp6rq0

    • 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