General

  • Target

    e488507f7793fb9af7f9a99dee8285e66564010efad448c1e47693596b0a95eb

  • Size

    772KB

  • Sample

    221128-rrv2raed41

  • MD5

    1b29d88af460fc6c609aaa4c671b59d3

  • SHA1

    c124d4d95a97ee37e65fa77595d16032cf40e487

  • SHA256

    e488507f7793fb9af7f9a99dee8285e66564010efad448c1e47693596b0a95eb

  • SHA512

    69464ea8d889352c26532d1797a1afcd020ebc18691f2c1f044deb2cbc07c73040ca9070ddcd8a48f31578df1882fabc17d95befc526e36c2a96068ebd446c50

  • SSDEEP

    24576:uJrbRPU9N4zn/R0D2qjxkOQrVFaFCxVZN0CInIDgSm:uZFc4zqvtQJFa6ZN0kD7

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .kcvp

  • offline_id

    hlqzhQ6w5SquNDF4Ul2XBDJQkSIKbAT6rmRBTit1

  • 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-lj5qINGbTc 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: 0607Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55.9

Botnet

517

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes
  • profile_id

    517

Targets

    • Target

      e488507f7793fb9af7f9a99dee8285e66564010efad448c1e47693596b0a95eb

    • Size

      772KB

    • MD5

      1b29d88af460fc6c609aaa4c671b59d3

    • SHA1

      c124d4d95a97ee37e65fa77595d16032cf40e487

    • SHA256

      e488507f7793fb9af7f9a99dee8285e66564010efad448c1e47693596b0a95eb

    • SHA512

      69464ea8d889352c26532d1797a1afcd020ebc18691f2c1f044deb2cbc07c73040ca9070ddcd8a48f31578df1882fabc17d95befc526e36c2a96068ebd446c50

    • SSDEEP

      24576:uJrbRPU9N4zn/R0D2qjxkOQrVFaFCxVZN0CInIDgSm:uZFc4zqvtQJFa6ZN0kD7

    • 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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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