General

  • Target

    50be3a3ba4ef0d9fae3e8deb2e6686c3175d5dba08f7f2566f0f9f034611cc2e

  • Size

    849KB

  • Sample

    221202-wsd7vaeg6v

  • MD5

    91e17504769c6bb71d9e9f06b4495c07

  • SHA1

    ff53c8befb7c94683e1a662ecf2b77cd342146f5

  • SHA256

    50be3a3ba4ef0d9fae3e8deb2e6686c3175d5dba08f7f2566f0f9f034611cc2e

  • SHA512

    fa9714c1e7f80ac33d88dcd85022694caea486324ba2f8d8d47be0281048863a6e62942f76737662b4daeb21ad84efb6294ebb83ba153e9fa01fdd5b4cce54e1

  • SSDEEP

    24576:gOZS3vxhhW4gd8nzscUauTJLosMESARHGF:gOZ85e8zVHuTJDSARm

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uyro

  • offline_id

    HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1

  • payload_url

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

    http://fresherlights.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-5UcwRdS3ED 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: 0609djfsieE

rsa_pubkey.plain

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes
  • profile_id

    517

Targets

    • Target

      50be3a3ba4ef0d9fae3e8deb2e6686c3175d5dba08f7f2566f0f9f034611cc2e

    • Size

      849KB

    • MD5

      91e17504769c6bb71d9e9f06b4495c07

    • SHA1

      ff53c8befb7c94683e1a662ecf2b77cd342146f5

    • SHA256

      50be3a3ba4ef0d9fae3e8deb2e6686c3175d5dba08f7f2566f0f9f034611cc2e

    • SHA512

      fa9714c1e7f80ac33d88dcd85022694caea486324ba2f8d8d47be0281048863a6e62942f76737662b4daeb21ad84efb6294ebb83ba153e9fa01fdd5b4cce54e1

    • SSDEEP

      24576:gOZS3vxhhW4gd8nzscUauTJLosMESARHGF:gOZ85e8zVHuTJDSARm

    • 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