General

  • Target

    8009568cd91a2ce83d1952756d712f038cfc1145d890cb94ca9c6234a936820d

  • Size

    803KB

  • Sample

    230328-q9a9mada6y

  • MD5

    3b4e35fa4aeb88ce385df0c90cb4a17d

  • SHA1

    218527539255318d35c92680b8876dc70f3a8242

  • SHA256

    8009568cd91a2ce83d1952756d712f038cfc1145d890cb94ca9c6234a936820d

  • SHA512

    8010b0e3b70677eb31e8cdf293c3dda7c37c1d7ecc1ee329d59eb37dcb25c0fd3c739890f6b3dfe8c76ff3dd9df6eb0bbbd2e8517e8b8e74d2b5df7706d9d09d

  • SSDEEP

    24576:XIrDJDjyy7Ba1WRmPOAQulyxX47pftQQWE:XIBD2y+WmOUsoR

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/raud/get.php

Attributes
  • extension

    .jyos

  • offline_id

    MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1

  • payload_url

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

    http://zexeq.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-fkW8qLaCVQ 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: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0677JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.1

Botnet

00d92484c9b27bc8482a2cc94cacc508

C2

https://steamcommunity.com/profiles/76561199472266392

https://t.me/tabootalks

http://135.181.26.183:80

Attributes
  • profile_id_v2

    00d92484c9b27bc8482a2cc94cacc508

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Targets

    • Target

      8009568cd91a2ce83d1952756d712f038cfc1145d890cb94ca9c6234a936820d

    • Size

      803KB

    • MD5

      3b4e35fa4aeb88ce385df0c90cb4a17d

    • SHA1

      218527539255318d35c92680b8876dc70f3a8242

    • SHA256

      8009568cd91a2ce83d1952756d712f038cfc1145d890cb94ca9c6234a936820d

    • SHA512

      8010b0e3b70677eb31e8cdf293c3dda7c37c1d7ecc1ee329d59eb37dcb25c0fd3c739890f6b3dfe8c76ff3dd9df6eb0bbbd2e8517e8b8e74d2b5df7706d9d09d

    • SSDEEP

      24576:XIrDJDjyy7Ba1WRmPOAQulyxX47pftQQWE:XIBD2y+WmOUsoR

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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 Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks