General

  • Target

    fd3fa6c676c36d6966db273a6b38fe7cb121b70448b1575f3bc440fabd680564

  • Size

    351KB

  • Sample

    221203-b2b4madd86

  • MD5

    7c178d3dab464866c1748227c11ff2a4

  • SHA1

    1ccc60113c8f434e4bb7e30bf143e5704892f497

  • SHA256

    fd3fa6c676c36d6966db273a6b38fe7cb121b70448b1575f3bc440fabd680564

  • SHA512

    8eabea0c22d75c7b8a0021ecdf17d791645fabc1a83bc130967cfd2585ca3a65a4825551a984e63dd2b90003a28f68a2a29a34055600bbfbde96b3216f0d06b9

  • SSDEEP

    6144:mletIEGLR8bLAtcRw03PRI0UCr3UbOGYLuR7Znb/jK:mG1Gg0tb0y0UCbGY6R7p

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uyit

  • 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: 0611djfsieE

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

      fd3fa6c676c36d6966db273a6b38fe7cb121b70448b1575f3bc440fabd680564

    • Size

      351KB

    • MD5

      7c178d3dab464866c1748227c11ff2a4

    • SHA1

      1ccc60113c8f434e4bb7e30bf143e5704892f497

    • SHA256

      fd3fa6c676c36d6966db273a6b38fe7cb121b70448b1575f3bc440fabd680564

    • SHA512

      8eabea0c22d75c7b8a0021ecdf17d791645fabc1a83bc130967cfd2585ca3a65a4825551a984e63dd2b90003a28f68a2a29a34055600bbfbde96b3216f0d06b9

    • SSDEEP

      6144:mletIEGLR8bLAtcRw03PRI0UCr3UbOGYLuR7Znb/jK:mG1Gg0tb0y0UCbGY6R7p

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • 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 Microsoft Outlook profiles

    • 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