General

  • Target

    2b472ca3d4c6f506b9255b6785ac5406ba8c08033092d4b2c7dc1c94fc73e3ca

  • Size

    812KB

  • Sample

    211125-zkpv6abhe7

  • MD5

    b1c68573843e3cac6e32f71da6244fc8

  • SHA1

    3d8ad0625fe04b7e459e17da7523124521332377

  • SHA256

    2b472ca3d4c6f506b9255b6785ac5406ba8c08033092d4b2c7dc1c94fc73e3ca

  • SHA512

    f5a97fd77ec862dd2543696425d20f344293e5ddd01cd814eb4f650c7b883d29a9436f3c9234cbece10c7ae5d204becde4a139e25873a0be9fd07fad13314205

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/lancer/get.php

Attributes
  • extension

    .robm

  • offline_id

    Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1

  • payload_url

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

    http://tzgl.org/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-Tjb0YqckGX 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: 0354gSd743d

rsa_pubkey.plain

Extracted

Family

vidar

Version

48.7

Botnet

517

C2

https://mstdn.social/@anapa

https://mastodon.social/@mniami

Attributes
  • profile_id

    517

Targets

    • Target

      2b472ca3d4c6f506b9255b6785ac5406ba8c08033092d4b2c7dc1c94fc73e3ca

    • Size

      812KB

    • MD5

      b1c68573843e3cac6e32f71da6244fc8

    • SHA1

      3d8ad0625fe04b7e459e17da7523124521332377

    • SHA256

      2b472ca3d4c6f506b9255b6785ac5406ba8c08033092d4b2c7dc1c94fc73e3ca

    • SHA512

      f5a97fd77ec862dd2543696425d20f344293e5ddd01cd814eb4f650c7b883d29a9436f3c9234cbece10c7ae5d204becde4a139e25873a0be9fd07fad13314205

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar 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