General

  • Target

    9047bc27685d3893ba0ff5620ac5b861991ce703a39ebca53294d4cac5e24ee6

  • Size

    703KB

  • Sample

    221130-reakaafh59

  • MD5

    6549651e4cbfa384761299ef1d7d74aa

  • SHA1

    20774a76f7b5b6f5bdcc3d9cd0a572ac35fc4eba

  • SHA256

    9047bc27685d3893ba0ff5620ac5b861991ce703a39ebca53294d4cac5e24ee6

  • SHA512

    ca182f7364300183de886d27ddbe1cc574c8e8f4ff1315a9be452bbeee2776cc4740f1eba93c1f4c9719f9a36f9d420815d5a6a9debdd089cd53f1e1d4fc809d

  • SSDEEP

    12288:NMohv2tnynyq6FItiOpDr5Td0cgosHsrcxofe4avGITCSwaES7lTXOpmz96QWm:JhOtnynqyh55MPHqcxof7aen23lTMQ

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

      9047bc27685d3893ba0ff5620ac5b861991ce703a39ebca53294d4cac5e24ee6

    • Size

      703KB

    • MD5

      6549651e4cbfa384761299ef1d7d74aa

    • SHA1

      20774a76f7b5b6f5bdcc3d9cd0a572ac35fc4eba

    • SHA256

      9047bc27685d3893ba0ff5620ac5b861991ce703a39ebca53294d4cac5e24ee6

    • SHA512

      ca182f7364300183de886d27ddbe1cc574c8e8f4ff1315a9be452bbeee2776cc4740f1eba93c1f4c9719f9a36f9d420815d5a6a9debdd089cd53f1e1d4fc809d

    • SSDEEP

      12288:NMohv2tnynyq6FItiOpDr5Td0cgosHsrcxofe4avGITCSwaES7lTXOpmz96QWm:JhOtnynqyh55MPHqcxof7aen23lTMQ

    • 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.

    • 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