General

  • Target

    dcb1005c081a16c250447d0d46a69fa2d47acd36cc26fa1d3393ea635df3db9d

  • Size

    704KB

  • Sample

    221201-l8434ace4s

  • MD5

    26e96edab85da2c8b6d52b8e1b98b3f7

  • SHA1

    d4cb3e75faf5d1407d5dc5cecd8df7f09e244415

  • SHA256

    dcb1005c081a16c250447d0d46a69fa2d47acd36cc26fa1d3393ea635df3db9d

  • SHA512

    5aad020fb2f0a109dca2674105818dd04e26c9b6303825df8495ab4ece5417c65d2601e33eca4d3072773bbd1ffff20f2b4462cd27facae6987ec7bff182e2e7

  • SSDEEP

    12288:NrgbEP1S8KK8FxZKMFAUS71PN5lfoNNKglgoNHehxOTB7FINDLP7hyz9ub/d0UyP:Bz1S8KxFxQ71loEoNvINvP7hyz9u6

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uyro

  • offline_id

    HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1

  • 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-5UcwRdS3ED 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: 0609djfsieE

rsa_pubkey.plain

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes
  • profile_id

    517

Targets

    • Target

      dcb1005c081a16c250447d0d46a69fa2d47acd36cc26fa1d3393ea635df3db9d

    • Size

      704KB

    • MD5

      26e96edab85da2c8b6d52b8e1b98b3f7

    • SHA1

      d4cb3e75faf5d1407d5dc5cecd8df7f09e244415

    • SHA256

      dcb1005c081a16c250447d0d46a69fa2d47acd36cc26fa1d3393ea635df3db9d

    • SHA512

      5aad020fb2f0a109dca2674105818dd04e26c9b6303825df8495ab4ece5417c65d2601e33eca4d3072773bbd1ffff20f2b4462cd27facae6987ec7bff182e2e7

    • SSDEEP

      12288:NrgbEP1S8KK8FxZKMFAUS71PN5lfoNNKglgoNHehxOTB7FINDLP7hyz9ub/d0UyP:Bz1S8KxFxQ71loEoNvINvP7hyz9u6

    • 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

    • 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