General

  • Target

    18f2b44341dfc7d52f57c43ec7d0535457fb5ea70259ad7cfaf0bb44feaf4dc5

  • Size

    752KB

  • Sample

    220425-tdpnxsgger

  • MD5

    42d27572104e6c57fa4f21243b8a9445

  • SHA1

    86bff9ae3ab18c6585626c98317058bf99ab2d90

  • SHA256

    18f2b44341dfc7d52f57c43ec7d0535457fb5ea70259ad7cfaf0bb44feaf4dc5

  • SHA512

    22058d9a0207d5a437d4c7ab0847c81c407a6d345fc32e17e42fbad2ef6acdfc525eb5d6faf3ff587f3f6f5c0ad82c8c81515193fee338149ff4ed17c3c6995b

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes
  • extension

    .dewd

  • 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: 0463JIjdm

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

      18f2b44341dfc7d52f57c43ec7d0535457fb5ea70259ad7cfaf0bb44feaf4dc5

    • Size

      752KB

    • MD5

      42d27572104e6c57fa4f21243b8a9445

    • SHA1

      86bff9ae3ab18c6585626c98317058bf99ab2d90

    • SHA256

      18f2b44341dfc7d52f57c43ec7d0535457fb5ea70259ad7cfaf0bb44feaf4dc5

    • SHA512

      22058d9a0207d5a437d4c7ab0847c81c407a6d345fc32e17e42fbad2ef6acdfc525eb5d6faf3ff587f3f6f5c0ad82c8c81515193fee338149ff4ed17c3c6995b

    • 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

    • 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