General

  • Target

    12af117bdc55ebd160b4888743c6cfe03ad50c1c7d31053827731873a9d73ac8

  • Size

    723KB

  • Sample

    221019-bdcp9aehem

  • MD5

    2b49b856f7c60a3cccd54a6aaee0e20d

  • SHA1

    1f1caaefcf8910ec8c14aed73ae6c539046a0c66

  • SHA256

    12af117bdc55ebd160b4888743c6cfe03ad50c1c7d31053827731873a9d73ac8

  • SHA512

    5666aa1e99713d984f58c4abc84030c6f7d2c867911409faf71db2c38dcf562b82578cfd37465ac282a73c22bd76891eeb86263ded6a4f0ad55ad83fca2f1631

  • SSDEEP

    12288:WCMHZMUSK1LUcpWIPba4wJbMX/VS3B1ekSkTEgB/AB4GGFKPP8j6qVC0fbQRFT:WC2MUSKVgKYJEe/AOGGMPUbVUR

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tuis

  • 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: 0582Jhyjd

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

      12af117bdc55ebd160b4888743c6cfe03ad50c1c7d31053827731873a9d73ac8

    • Size

      723KB

    • MD5

      2b49b856f7c60a3cccd54a6aaee0e20d

    • SHA1

      1f1caaefcf8910ec8c14aed73ae6c539046a0c66

    • SHA256

      12af117bdc55ebd160b4888743c6cfe03ad50c1c7d31053827731873a9d73ac8

    • SHA512

      5666aa1e99713d984f58c4abc84030c6f7d2c867911409faf71db2c38dcf562b82578cfd37465ac282a73c22bd76891eeb86263ded6a4f0ad55ad83fca2f1631

    • SSDEEP

      12288:WCMHZMUSK1LUcpWIPba4wJbMX/VS3B1ekSkTEgB/AB4GGFKPP8j6qVC0fbQRFT:WC2MUSKVgKYJEe/AOGGMPUbVUR

    • 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