General

  • Target

    42f213728bf575228c0f8ffc30f3185ccad9c33d9c91853059f937a6f953c932

  • Size

    848KB

  • Sample

    221202-twbvsahd4v

  • MD5

    b276c03b6fd8df69964c5d4e687881d1

  • SHA1

    7c4be72dc54658bdb49bec08bcb974510ce2af63

  • SHA256

    42f213728bf575228c0f8ffc30f3185ccad9c33d9c91853059f937a6f953c932

  • SHA512

    89c9d3250c01da750668149fce9a6ffbe0242af16afc72a4dca0e7e1a4fa4dc098787ba91c08987feedc420aedda2fd466ad6453618ad11c3be0724be1861a42

  • SSDEEP

    12288:KGJCaj2AZYqF2H/cUjGSokHXnwz7SDlJmF0QIee63xyERQg:KGX2kYqFE/5GSpHXwz2Dm2QA63wwF

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

      42f213728bf575228c0f8ffc30f3185ccad9c33d9c91853059f937a6f953c932

    • Size

      848KB

    • MD5

      b276c03b6fd8df69964c5d4e687881d1

    • SHA1

      7c4be72dc54658bdb49bec08bcb974510ce2af63

    • SHA256

      42f213728bf575228c0f8ffc30f3185ccad9c33d9c91853059f937a6f953c932

    • SHA512

      89c9d3250c01da750668149fce9a6ffbe0242af16afc72a4dca0e7e1a4fa4dc098787ba91c08987feedc420aedda2fd466ad6453618ad11c3be0724be1861a42

    • SSDEEP

      12288:KGJCaj2AZYqF2H/cUjGSokHXnwz7SDlJmF0QIee63xyERQg:KGX2kYqFE/5GSpHXwz2Dm2QA63wwF

    • 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