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General

  • Target

    bc37a8d72848d672d7f7e4dd6610c115149251653b7fec1099ff8459e1ff7783

  • Size

    720KB

  • Sample

    221018-e3vh5sefhm

  • MD5

    45eac58b2a80f5ddbc99c79213de5d6b

  • SHA1

    333544c66182f035e310eda9068dcb89d988dcf3

  • SHA256

    bc37a8d72848d672d7f7e4dd6610c115149251653b7fec1099ff8459e1ff7783

  • SHA512

    34a817f8078aa66c331511848b2168b2b7fd200a70502f3d36675c915f4746ec26a2105ae5d59a788a34754e3fd9848515c9d7914ffabef86a96ff9e3fa3c0f6

  • SSDEEP

    12288:LitnkPhwVH58CorFJm6ugUIVMHr50H76b7xzNkr6oeeU1NKkbPT9:LJ5woCWA6ugnA90H7s7xzNk+o03KkbL

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

      bc37a8d72848d672d7f7e4dd6610c115149251653b7fec1099ff8459e1ff7783

    • Size

      720KB

    • MD5

      45eac58b2a80f5ddbc99c79213de5d6b

    • SHA1

      333544c66182f035e310eda9068dcb89d988dcf3

    • SHA256

      bc37a8d72848d672d7f7e4dd6610c115149251653b7fec1099ff8459e1ff7783

    • SHA512

      34a817f8078aa66c331511848b2168b2b7fd200a70502f3d36675c915f4746ec26a2105ae5d59a788a34754e3fd9848515c9d7914ffabef86a96ff9e3fa3c0f6

    • SSDEEP

      12288:LitnkPhwVH58CorFJm6ugUIVMHr50H76b7xzNkr6oeeU1NKkbPT9:LJ5woCWA6ugnA90H7s7xzNk+o03KkbL

    • 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