General

  • Target

    c8423a1bf172c3dea83d33545a2340e145b4d32b2fec9d79169b2acd4bee6e30

  • Size

    705KB

  • Sample

    221124-daefsacd57

  • MD5

    444d1754c41b932e1f7221a97dcfccb5

  • SHA1

    7402a33b9a44fc5766c48c4673fb6a66abc481cf

  • SHA256

    c8423a1bf172c3dea83d33545a2340e145b4d32b2fec9d79169b2acd4bee6e30

  • SHA512

    d1d5c5dc94b6f0ceacaa8bbfb68a6c781890925cb3b32df64f3a3a2a1b54c1c5c4316553c8149eb9f50efe93a8299b8562bb34ac3ba722174874c64f5d5422a4

  • SSDEEP

    12288:+dFa61hJr7xfM6Lg+wVZyRnxScprcR+3KpX5GVzUpIajt5wG/FGT/IdpOg:+31hzERYRnxScaRyBzUpIAt5wG9GT/Ks

Malware Config

Extracted

Family

djvu

C2

http://fresherlights.com/test1/get.php

Attributes
  • extension

    .tcvp

  • offline_id

    JBPpFMvWlKMsKlJRmPJl5e09RSnYrRJya1oX8xt1

  • 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-bpYXr2m3kI 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: 0604Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55.8

Botnet

517

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes
  • profile_id

    517

Targets

    • Target

      c8423a1bf172c3dea83d33545a2340e145b4d32b2fec9d79169b2acd4bee6e30

    • Size

      705KB

    • MD5

      444d1754c41b932e1f7221a97dcfccb5

    • SHA1

      7402a33b9a44fc5766c48c4673fb6a66abc481cf

    • SHA256

      c8423a1bf172c3dea83d33545a2340e145b4d32b2fec9d79169b2acd4bee6e30

    • SHA512

      d1d5c5dc94b6f0ceacaa8bbfb68a6c781890925cb3b32df64f3a3a2a1b54c1c5c4316553c8149eb9f50efe93a8299b8562bb34ac3ba722174874c64f5d5422a4

    • SSDEEP

      12288:+dFa61hJr7xfM6Lg+wVZyRnxScprcR+3KpX5GVzUpIajt5wG/FGT/IdpOg:+31hzERYRnxScaRyBzUpIAt5wG9GT/Ks

    • 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