General

  • Target

    d5e48c5ff60f34a5951b09f9bcafd876b1035eb05a05a468135e89501af50e32

  • Size

    723KB

  • Sample

    221019-a1xs9sehcr

  • MD5

    5ad35160ca7bfcba6703393a68d0507f

  • SHA1

    0ce9bc1bb99e5fdf901fd5b1db2354757c52f20b

  • SHA256

    d5e48c5ff60f34a5951b09f9bcafd876b1035eb05a05a468135e89501af50e32

  • SHA512

    e41d9e16630cf6e595094e0edd3bc4c8d883ac726c634183915b113813068616b18d464daad238801e96711f55c9e4cd05b69bf841da1e69c30850c7e0db2ea9

  • SSDEEP

    12288:Xnrucxay0cB5ZMBH82YdGwkFOSmHxudOgz3FKIV4xXilN/ShA5MCo4GB3Fj5cFvc:XnpxancPZMH44ZFWwdlQi//Sh+MlVj5G

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

      d5e48c5ff60f34a5951b09f9bcafd876b1035eb05a05a468135e89501af50e32

    • Size

      723KB

    • MD5

      5ad35160ca7bfcba6703393a68d0507f

    • SHA1

      0ce9bc1bb99e5fdf901fd5b1db2354757c52f20b

    • SHA256

      d5e48c5ff60f34a5951b09f9bcafd876b1035eb05a05a468135e89501af50e32

    • SHA512

      e41d9e16630cf6e595094e0edd3bc4c8d883ac726c634183915b113813068616b18d464daad238801e96711f55c9e4cd05b69bf841da1e69c30850c7e0db2ea9

    • SSDEEP

      12288:Xnrucxay0cB5ZMBH82YdGwkFOSmHxudOgz3FKIV4xXilN/ShA5MCo4GB3Fj5cFvc:XnpxancPZMH44ZFWwdlQi//Sh+MlVj5G

    • 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