General

  • Target

    35d3d4c951dcc3381138613f9e00842a2b0c8e9dcace0b02a9734a0ae0c788be

  • Size

    704KB

  • Sample

    221130-3hpddshh61

  • MD5

    7349fec1e2af4aee2a5548a8ed226641

  • SHA1

    bd74b4df28c8f147e1d36808419b6607a67e37d5

  • SHA256

    35d3d4c951dcc3381138613f9e00842a2b0c8e9dcace0b02a9734a0ae0c788be

  • SHA512

    20fb15a085235b71865341783ce9be32e1cab00bd9f0d1f1a0024c0417724ee984409eb49d61d1b5f197e33053395003a629042ab47e6ebeaf3025ac6738fa4c

  • SSDEEP

    12288:KMPR1q7pGi3qv7xjLQXdw0qUt9KDX5yp8vK/uYhxUFO8fNnKCZtBZMEzRG:zfq7pG4a7VMXTqUt90Quy/uYb+ZtBZ

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

      35d3d4c951dcc3381138613f9e00842a2b0c8e9dcace0b02a9734a0ae0c788be

    • Size

      704KB

    • MD5

      7349fec1e2af4aee2a5548a8ed226641

    • SHA1

      bd74b4df28c8f147e1d36808419b6607a67e37d5

    • SHA256

      35d3d4c951dcc3381138613f9e00842a2b0c8e9dcace0b02a9734a0ae0c788be

    • SHA512

      20fb15a085235b71865341783ce9be32e1cab00bd9f0d1f1a0024c0417724ee984409eb49d61d1b5f197e33053395003a629042ab47e6ebeaf3025ac6738fa4c

    • SSDEEP

      12288:KMPR1q7pGi3qv7xjLQXdw0qUt9KDX5yp8vK/uYhxUFO8fNnKCZtBZMEzRG:zfq7pG4a7VMXTqUt90Quy/uYb+ZtBZ

    • 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