General

  • Target

    6bd7364a5a02c6a50c0d5b0a21c9e883208470102096d4390753a8235160ed03

  • Size

    809KB

  • Sample

    220426-d8k18afaaq

  • MD5

    df72bc77c2c1ec00093df7c4033f02d4

  • SHA1

    0b1cdafe53f0475d9ae2d0f67c358b2e05ca4b70

  • SHA256

    6bd7364a5a02c6a50c0d5b0a21c9e883208470102096d4390753a8235160ed03

  • SHA512

    f90443e0582f342cec9ba54bf436127fd75226151bc67d2b9deb9d593b26d643699c1b929c46795eb5bf18a056cf049ca84d3e130dd8d508307065bfebcf7b70

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .jhbg

  • offline_id

    u8l8S1WNPrtypqzE5TnCErdyo7HLDDCUTJi8Vbt1

  • payload_url

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

    http://fuyt.org/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://www.filemail.com/d/cckhkpsqjvnbjhf 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: 0460JIjdm

rsa_pubkey.plain

Extracted

Family

vidar

Version

51.8

Botnet

517

C2

https://t.me/mm20220428

https://koyu.space/@ronxik123

Attributes
  • profile_id

    517

Targets

    • Target

      6bd7364a5a02c6a50c0d5b0a21c9e883208470102096d4390753a8235160ed03

    • Size

      809KB

    • MD5

      df72bc77c2c1ec00093df7c4033f02d4

    • SHA1

      0b1cdafe53f0475d9ae2d0f67c358b2e05ca4b70

    • SHA256

      6bd7364a5a02c6a50c0d5b0a21c9e883208470102096d4390753a8235160ed03

    • SHA512

      f90443e0582f342cec9ba54bf436127fd75226151bc67d2b9deb9d593b26d643699c1b929c46795eb5bf18a056cf049ca84d3e130dd8d508307065bfebcf7b70

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • Vidar 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