General

  • Target

    816d5d23c071f19d0e0621bfde7992a330df2e6340baba0189af1cf334f35ce4

  • Size

    717KB

  • Sample

    221018-ybajfadhek

  • MD5

    6d6b44de785b7e4a6d93afa22876a9d5

  • SHA1

    5caa823325a155bed8b68c1daf6f7113d5968eab

  • SHA256

    816d5d23c071f19d0e0621bfde7992a330df2e6340baba0189af1cf334f35ce4

  • SHA512

    4801d02b2ae6900b2a16d6014482589393f9684b966817b627cde5e5b153e3b1f61e04e66c0db4ae6bcbc11ee08022445537665b89ea8e0ec3235a640d0073af

  • SSDEEP

    12288:RuoC25/ZJIxOsJzx+5YIE+mU+eNqDlujtQCsGm4FRCXzOff/90+UyzmqG:RuQFZmxlcd+eHyC9ZF0Xzi1Fp

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tury

  • offline_id

    Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1

  • payload_url

    http://rgyui.top/dl/build2.exe

    http://winnlinne.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-o7UXxOstmw 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: 0585Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55

Botnet

517

C2

https://t.me/truewallets

https://mas.to/@zara99

http://116.203.10.3:80

Attributes
  • profile_id

    517

Targets

    • Target

      816d5d23c071f19d0e0621bfde7992a330df2e6340baba0189af1cf334f35ce4

    • Size

      717KB

    • MD5

      6d6b44de785b7e4a6d93afa22876a9d5

    • SHA1

      5caa823325a155bed8b68c1daf6f7113d5968eab

    • SHA256

      816d5d23c071f19d0e0621bfde7992a330df2e6340baba0189af1cf334f35ce4

    • SHA512

      4801d02b2ae6900b2a16d6014482589393f9684b966817b627cde5e5b153e3b1f61e04e66c0db4ae6bcbc11ee08022445537665b89ea8e0ec3235a640d0073af

    • SSDEEP

      12288:RuoC25/ZJIxOsJzx+5YIE+mU+eNqDlujtQCsGm4FRCXzOff/90+UyzmqG:RuQFZmxlcd+eHyC9ZF0Xzi1Fp

    • 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