General

  • Target

    7e48fe8d83f92c20d5a3bbd2599d4af1687c6f6fe030ecfc2342433d635683cd

  • Size

    850KB

  • Sample

    220517-wt84lsaddr

  • MD5

    6e4b9ff8f38667b5b7579a022d1400e1

  • SHA1

    6b6608cd47673febc86ba6c3df08bf3c5e1505e8

  • SHA256

    7e48fe8d83f92c20d5a3bbd2599d4af1687c6f6fe030ecfc2342433d635683cd

  • SHA512

    58ff7ba8a6fdfe491f08ae0d74a975aed1e4b8a90720b865d07931fdbc19caed67ed37a7395bde5cc4454755e7e6bb8047d8dd2701d395e09ded455a43f73b5a

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

      7e48fe8d83f92c20d5a3bbd2599d4af1687c6f6fe030ecfc2342433d635683cd

    • Size

      850KB

    • MD5

      6e4b9ff8f38667b5b7579a022d1400e1

    • SHA1

      6b6608cd47673febc86ba6c3df08bf3c5e1505e8

    • SHA256

      7e48fe8d83f92c20d5a3bbd2599d4af1687c6f6fe030ecfc2342433d635683cd

    • SHA512

      58ff7ba8a6fdfe491f08ae0d74a975aed1e4b8a90720b865d07931fdbc19caed67ed37a7395bde5cc4454755e7e6bb8047d8dd2701d395e09ded455a43f73b5a

    • 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