General

  • Target

    4b63df4f727bc68412c39ae8cecd54fe.exe

  • Size

    260KB

  • Sample

    230109-g4bhrsgg4z

  • MD5

    4b63df4f727bc68412c39ae8cecd54fe

  • SHA1

    358a95cd52442ea8c492207bb36e28ec874c1721

  • SHA256

    c30dcc5778a3244a322b3683c05c0b93380bf3bf02d2db8cd102e282b6889f77

  • SHA512

    8c5626c2508cc0bc554648116930285dd263f0f4a8fa32aa880951e85b8318b50f4667ebbfe69a92f5f17b520fc94d96a3ef82812e887b383976c979e4a044a3

  • SSDEEP

    3072:hgXh7hxUZRLKHWxyRMAXEfQayI5hIoXNrmZ/poBNyWEyDAuvtg39hZCRRzMuWZgR:W5mLmiAXAQaVRmZBoDhEuvejcqgd3

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

      4b63df4f727bc68412c39ae8cecd54fe.exe

    • Size

      260KB

    • MD5

      4b63df4f727bc68412c39ae8cecd54fe

    • SHA1

      358a95cd52442ea8c492207bb36e28ec874c1721

    • SHA256

      c30dcc5778a3244a322b3683c05c0b93380bf3bf02d2db8cd102e282b6889f77

    • SHA512

      8c5626c2508cc0bc554648116930285dd263f0f4a8fa32aa880951e85b8318b50f4667ebbfe69a92f5f17b520fc94d96a3ef82812e887b383976c979e4a044a3

    • SSDEEP

      3072:hgXh7hxUZRLKHWxyRMAXEfQayI5hIoXNrmZ/poBNyWEyDAuvtg39hZCRRzMuWZgR:W5mLmiAXAQaVRmZBoDhEuvejcqgd3

    • 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 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks