General

  • Target

    de14fb91077dc46661df2d71589d51ba5ce02a7b0fae157196cfd0054d4472e5

  • Size

    800KB

  • Sample

    220523-eyft7afafn

  • MD5

    f102c8d9fdbcb234426b7065c6ea73a5

  • SHA1

    97f61401cb37b736203085bbe1fb56cd02491ec8

  • SHA256

    de14fb91077dc46661df2d71589d51ba5ce02a7b0fae157196cfd0054d4472e5

  • SHA512

    6d5c928ba4e5c6cb554fa2734b9146ba8cd2d8d578e4c3f93dac52db653ded7a55e981597195c4040e606cfe786a68bd4c951b3bb7fc6cc359e72c99edaeffd2

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .dfwe

  • offline_id

    eBNgvyGQV1Hmt9DBdxVRs8qPi1agsS7OaohPmit1

  • payload_url

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

    http://ugll.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://we.tl/t-j3AdKrnQie 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: 0480JIjdm

rsa_pubkey.plain

Extracted

Family

vidar

Version

52.1

Botnet

517

C2

https://t.me/verstappenf1r

https://climatejustice.social/@ronxik312

Attributes
  • profile_id

    517

Targets

    • Target

      de14fb91077dc46661df2d71589d51ba5ce02a7b0fae157196cfd0054d4472e5

    • Size

      800KB

    • MD5

      f102c8d9fdbcb234426b7065c6ea73a5

    • SHA1

      97f61401cb37b736203085bbe1fb56cd02491ec8

    • SHA256

      de14fb91077dc46661df2d71589d51ba5ce02a7b0fae157196cfd0054d4472e5

    • SHA512

      6d5c928ba4e5c6cb554fa2734b9146ba8cd2d8d578e4c3f93dac52db653ded7a55e981597195c4040e606cfe786a68bd4c951b3bb7fc6cc359e72c99edaeffd2

    • 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

    • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

      suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

    • suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

      suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

    • 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