General

  • Target

    81fc7c9924ad00d3e9d0b8323673a8cd9298079040d2b69ad117f3253e99addc.exe

  • Size

    707KB

  • Sample

    240522-x75h1sdf91

  • MD5

    468a3f5c25350ab961951730de8c4ede

  • SHA1

    d8ff3e77681ab16fb0da2bf80bd1fd76aae75b7c

  • SHA256

    81fc7c9924ad00d3e9d0b8323673a8cd9298079040d2b69ad117f3253e99addc

  • SHA512

    0ed8087d988a9b2f0ff3572e29b720890e24ccc1423c7f6d1260992197033018cc415c60d4f0d22c80c7d329b83daae0a27dc98d341e5563fef209a20b05f69d

  • SSDEEP

    12288:YSQYWaFRQdi4YyslM3FqvlVdfQ9gqSXHTSPT/HqoBMfffJJlh4jUHDixdSVHA:YSQwFROi4hF1+bdIKLXwTRufff8U+vSq

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

      81fc7c9924ad00d3e9d0b8323673a8cd9298079040d2b69ad117f3253e99addc.exe

    • Size

      707KB

    • MD5

      468a3f5c25350ab961951730de8c4ede

    • SHA1

      d8ff3e77681ab16fb0da2bf80bd1fd76aae75b7c

    • SHA256

      81fc7c9924ad00d3e9d0b8323673a8cd9298079040d2b69ad117f3253e99addc

    • SHA512

      0ed8087d988a9b2f0ff3572e29b720890e24ccc1423c7f6d1260992197033018cc415c60d4f0d22c80c7d329b83daae0a27dc98d341e5563fef209a20b05f69d

    • SSDEEP

      12288:YSQYWaFRQdi4YyslM3FqvlVdfQ9gqSXHTSPT/HqoBMfffJJlh4jUHDixdSVHA:YSQwFROi4hF1+bdIKLXwTRufff8U+vSq

    • 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