General

  • Target

    17fb5e033155ad2e4ab982cea691d9e2af6c93c4a59be6dcee3714b1a9ed46a5

  • Size

    147KB

  • Sample

    221001-sysewagca3

  • MD5

    fb63d86a835fd61556df23b7b6a0c206

  • SHA1

    13add3f709807df24b92841c0f14bcec2bc9e01d

  • SHA256

    17fb5e033155ad2e4ab982cea691d9e2af6c93c4a59be6dcee3714b1a9ed46a5

  • SHA512

    9cbdde35ebc657ebcb0b7d00bbff6bb6e747b4bcc9ba0ffeb107a8e96512227a1e98719f5419f320fcaec5eaba9cb5cc97935b1278d5032235920c554f604e92

  • SSDEEP

    3072:S6iGDx6yZRTYjFA3e/pd+uvDfoj84IQRcVJ+Pn4YsHhU:px6bFnxAuv0jfcYXsO

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ofww

  • offline_id

    xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1

  • 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-EWKSsSJiVn 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: 0569Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes
  • profile_id

    517

Extracted

Family

redline

Botnet

installi

C2

78.153.144.6:2510

Attributes
  • auth_value

    f7a95740dfddbaa1471d1ac4f63cb78e

Targets

    • Target

      17fb5e033155ad2e4ab982cea691d9e2af6c93c4a59be6dcee3714b1a9ed46a5

    • Size

      147KB

    • MD5

      fb63d86a835fd61556df23b7b6a0c206

    • SHA1

      13add3f709807df24b92841c0f14bcec2bc9e01d

    • SHA256

      17fb5e033155ad2e4ab982cea691d9e2af6c93c4a59be6dcee3714b1a9ed46a5

    • SHA512

      9cbdde35ebc657ebcb0b7d00bbff6bb6e747b4bcc9ba0ffeb107a8e96512227a1e98719f5419f320fcaec5eaba9cb5cc97935b1278d5032235920c554f604e92

    • SSDEEP

      3072:S6iGDx6yZRTYjFA3e/pd+uvDfoj84IQRcVJ+Pn4YsHhU:px6bFnxAuv0jfcYXsO

    • 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.

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • UAC bypass

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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 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