General

  • Target

    c4dd2d3cd811e87ae1ceaa1b9718f4a1.exe

  • Size

    264KB

  • Sample

    230108-s1w6vadh85

  • MD5

    c4dd2d3cd811e87ae1ceaa1b9718f4a1

  • SHA1

    c469300e4e6b78f84cf3cbbd6095c840c031df8f

  • SHA256

    29a260f82cad1e0628c162e6aa72c4c90757c46e88a54d914b8daf774a2333d2

  • SHA512

    79c6ac155c3568c44413c1d4d3401d71d2bb3973166310eb72bbac5d942d3395f9d86cb3b563fbd3928afa83bfeefe4602292c24f00a03b092c544cc23058172

  • SSDEEP

    3072:7XhCEd4PL0OsM/S1qqbRGG5PFO7cI6cQo9KN9fs0FQw8iSfRIQpxOoVdWXUZNTKn:TVWL0O1S1BbRGKOwI6JdXSp5DdWEOuN

Malware Config

Extracted

Family

djvu

C2

http://spaceris.com/lancer/get.php

Attributes
  • extension

    .bpto

  • offline_id

    pu5TgkFNAS5fWQ2rCzdamsmMrE5wSlTupdTI0pt1

  • payload_url

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

    http://spaceris.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-rmxjMZAZBJ 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: 0628JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

1.8

Botnet

19

C2

https://t.me/year2023start

https://steamcommunity.com/profiles/76561199467421923

Attributes
  • profile_id

    19

Targets

    • Target

      c4dd2d3cd811e87ae1ceaa1b9718f4a1.exe

    • Size

      264KB

    • MD5

      c4dd2d3cd811e87ae1ceaa1b9718f4a1

    • SHA1

      c469300e4e6b78f84cf3cbbd6095c840c031df8f

    • SHA256

      29a260f82cad1e0628c162e6aa72c4c90757c46e88a54d914b8daf774a2333d2

    • SHA512

      79c6ac155c3568c44413c1d4d3401d71d2bb3973166310eb72bbac5d942d3395f9d86cb3b563fbd3928afa83bfeefe4602292c24f00a03b092c544cc23058172

    • SSDEEP

      3072:7XhCEd4PL0OsM/S1qqbRGG5PFO7cI6cQo9KN9fs0FQw8iSfRIQpxOoVdWXUZNTKn:TVWL0O1S1BbRGKOwI6JdXSp5DdWEOuN

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Blocklisted process makes network request

    • 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 Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • 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