General

  • Target

    fa2b4c59755bb42bd1a7523d072dff273dad18909d1d85dd48c5f6b17a531857

  • Size

    820KB

  • Sample

    221012-fe17fscdg3

  • MD5

    509eb96cfc6361d2b2bcc5eb67a14d2d

  • SHA1

    da75159aa96759419ef9cbfe49e852e25b5f953f

  • SHA256

    fa2b4c59755bb42bd1a7523d072dff273dad18909d1d85dd48c5f6b17a531857

  • SHA512

    84f515a7ba4a8900f3762acd546d80a203741b9007f2da27b9ba12ffd3747f5ccc174a4213931664025fc833d36f8d6e31cb984ef940982f9bf4c387753f1093

  • SSDEEP

    12288:q74KSTgwDYh6Hjo2R7JfyS3qPOylRY+BOC7fo699zXK67zyob77qdMu9sBIgdTZ:q74KSUwDYh6DnrJ+57fDTZzyo/LT

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .pohj

  • offline_id

    tHl9RvVtHhFQisMomKMdXzz2soNLhV0cuok85it1

  • 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-oTIha7SI4s 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: 0578Jhyjd

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

      fa2b4c59755bb42bd1a7523d072dff273dad18909d1d85dd48c5f6b17a531857

    • Size

      820KB

    • MD5

      509eb96cfc6361d2b2bcc5eb67a14d2d

    • SHA1

      da75159aa96759419ef9cbfe49e852e25b5f953f

    • SHA256

      fa2b4c59755bb42bd1a7523d072dff273dad18909d1d85dd48c5f6b17a531857

    • SHA512

      84f515a7ba4a8900f3762acd546d80a203741b9007f2da27b9ba12ffd3747f5ccc174a4213931664025fc833d36f8d6e31cb984ef940982f9bf4c387753f1093

    • SSDEEP

      12288:q74KSTgwDYh6Hjo2R7JfyS3qPOylRY+BOC7fo699zXK67zyob77qdMu9sBIgdTZ:q74KSUwDYh6DnrJ+57fDTZzyo/LT

    • 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