General

  • Target

    ad45dc2c9fc97361218341cbca268ec4fafabe0b8721bab4d35cf6b27cc2ad11

  • Size

    710KB

  • Sample

    221201-xhvmhsdc7s

  • MD5

    ace36f6407402a489fcf53a60ed8db49

  • SHA1

    aa9a51c224a61e8d8169eebfe3fefac4bba17665

  • SHA256

    ad45dc2c9fc97361218341cbca268ec4fafabe0b8721bab4d35cf6b27cc2ad11

  • SHA512

    a17ee5e301f3403ca06480c90f8149a1ee78cede4b7e4cc51db7eb7ca89105471992b30cd60f3c9612b9c78a7a2c6efb9ecbe20b52179309b58440b3f809bff2

  • SSDEEP

    12288:jmnk/BwJePDVD49CqyOIykZ2GQbugUoL5VzPJIZtI1hkTX9wdlfHG8+SUnfOTETW:jmnquJePDVs9C5xC/nt5ZxIMhkTX9wz7

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uyro

  • offline_id

    HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://fresherlights.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. You can get and look video overview decrypt tool: https://we.tl/t-5UcwRdS3ED Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. 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: 0609djfsieE

rsa_pubkey.plain

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes
  • profile_id

    517

Targets

    • Target

      ad45dc2c9fc97361218341cbca268ec4fafabe0b8721bab4d35cf6b27cc2ad11

    • Size

      710KB

    • MD5

      ace36f6407402a489fcf53a60ed8db49

    • SHA1

      aa9a51c224a61e8d8169eebfe3fefac4bba17665

    • SHA256

      ad45dc2c9fc97361218341cbca268ec4fafabe0b8721bab4d35cf6b27cc2ad11

    • SHA512

      a17ee5e301f3403ca06480c90f8149a1ee78cede4b7e4cc51db7eb7ca89105471992b30cd60f3c9612b9c78a7a2c6efb9ecbe20b52179309b58440b3f809bff2

    • SSDEEP

      12288:jmnk/BwJePDVD49CqyOIykZ2GQbugUoL5VzPJIZtI1hkTX9wdlfHG8+SUnfOTETW:jmnquJePDVs9C5xC/nt5ZxIMhkTX9wz7

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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 v6

Tasks