General

  • Target

    91b1ca12d34890776ef4980d4f7f23f0904d35c65a5bb2cd573d12a35f4aecfa

  • Size

    667KB

  • Sample

    221126-szrjzaha81

  • MD5

    65c77508547ff791d86e6647bea789d0

  • SHA1

    7d420f8623b3d25d6b542cd0e1c29d581aa80bcd

  • SHA256

    91b1ca12d34890776ef4980d4f7f23f0904d35c65a5bb2cd573d12a35f4aecfa

  • SHA512

    f470d3c9f6e1ec9cb203bc0b423bfd499d79839ae03b90f9abaddbdc2f389d6ef137178cabc06e9960ab6c972bc9d956e5fe9a68d4d5c3fa66a2a208e7a378a3

  • SSDEEP

    12288:r5y3wKeCQ7BoVk527YDOTIIxEoHbLfaFi7UP4KbUk23hbHHtbrzCUtzocGk:Ny3O7BoVkoXkIx97LbIQvbScGk

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

      91b1ca12d34890776ef4980d4f7f23f0904d35c65a5bb2cd573d12a35f4aecfa

    • Size

      667KB

    • MD5

      65c77508547ff791d86e6647bea789d0

    • SHA1

      7d420f8623b3d25d6b542cd0e1c29d581aa80bcd

    • SHA256

      91b1ca12d34890776ef4980d4f7f23f0904d35c65a5bb2cd573d12a35f4aecfa

    • SHA512

      f470d3c9f6e1ec9cb203bc0b423bfd499d79839ae03b90f9abaddbdc2f389d6ef137178cabc06e9960ab6c972bc9d956e5fe9a68d4d5c3fa66a2a208e7a378a3

    • SSDEEP

      12288:r5y3wKeCQ7BoVk527YDOTIIxEoHbLfaFi7UP4KbUk23hbHHtbrzCUtzocGk:Ny3O7BoVkoXkIx97LbIQvbScGk

    • 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