General

  • Target

    b0cfb4610adaee666add8580d0e465efdecf80729923559974cdc6d1adba0f67

  • Size

    707KB

  • Sample

    221125-gr9j2aaf5y

  • MD5

    d2a9da0a9ca5be7ecfbb9e82700e93e6

  • SHA1

    d3b3453a21a738a385ccd865b4b5332ec36a9490

  • SHA256

    b0cfb4610adaee666add8580d0e465efdecf80729923559974cdc6d1adba0f67

  • SHA512

    fd5f8b05340f79db55ee633eaf6b4730d628b8e89a3efeeb5b34bb0f10d2b8ff7641bd80d89af8a84c64facb74679e0cfa740218ee65b6b715bfeee9bbf9dd5f

  • SSDEEP

    12288:B3nqVzh+GaFFQcMWSd7ps6MTHOSA7vwwwc/uhOSA3c0tY+I24Ja6w1:BEh+GsFR6GXTHOlCQQOSF0t3p+a

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .kcvp

  • offline_id

    hlqzhQ6w5SquNDF4Ul2XBDJQkSIKbAT6rmRBTit1

  • 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-lj5qINGbTc 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: 0607Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55.9

Botnet

517

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes
  • profile_id

    517

Targets

    • Target

      b0cfb4610adaee666add8580d0e465efdecf80729923559974cdc6d1adba0f67

    • Size

      707KB

    • MD5

      d2a9da0a9ca5be7ecfbb9e82700e93e6

    • SHA1

      d3b3453a21a738a385ccd865b4b5332ec36a9490

    • SHA256

      b0cfb4610adaee666add8580d0e465efdecf80729923559974cdc6d1adba0f67

    • SHA512

      fd5f8b05340f79db55ee633eaf6b4730d628b8e89a3efeeb5b34bb0f10d2b8ff7641bd80d89af8a84c64facb74679e0cfa740218ee65b6b715bfeee9bbf9dd5f

    • SSDEEP

      12288:B3nqVzh+GaFFQcMWSd7ps6MTHOSA7vwwwc/uhOSA3c0tY+I24Ja6w1:BEh+GsFR6GXTHOlCQQOSF0t3p+a

    • 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