General

  • Target

    file.exe

  • Size

    274KB

  • Sample

    221010-2zjc2adgbn

  • MD5

    501dab98d9f7d24c551ebea342f47c11

  • SHA1

    54c349aae01a67d79497217c53e7844c6c8c4ec1

  • SHA256

    2136b9951bed29d58980db890023e52ccd3cfb50f9cfdbc1baf544eb5a10c263

  • SHA512

    502d79149035b30630ae78f5641f804982ee0ab1733918cb6f24688f10642c9198b8df5893ce02fd5f891e33041871d1606363f5d5529578742cfe6a44239b04

  • SSDEEP

    6144:+8Rl3gXowBj+R9PVdwFIBbIKGRrwVfquS:+8vwBjwmEbIPd

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .towz

  • offline_id

    SSHsHMHGmSIhrz50VnIxLJJX15osxEQY6iXedXt1

  • 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-Kbx8mJatqN 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: 0577Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes
  • profile_id

    517

Extracted

Family

redline

Botnet

buildnewdomain

C2

hrabrlonian.xyz:81

Attributes
  • auth_value

    90794203993789d187f29ff50d00de2e

Targets

    • Target

      file.exe

    • Size

      274KB

    • MD5

      501dab98d9f7d24c551ebea342f47c11

    • SHA1

      54c349aae01a67d79497217c53e7844c6c8c4ec1

    • SHA256

      2136b9951bed29d58980db890023e52ccd3cfb50f9cfdbc1baf544eb5a10c263

    • SHA512

      502d79149035b30630ae78f5641f804982ee0ab1733918cb6f24688f10642c9198b8df5893ce02fd5f891e33041871d1606363f5d5529578742cfe6a44239b04

    • SSDEEP

      6144:+8Rl3gXowBj+R9PVdwFIBbIKGRrwVfquS:+8vwBjwmEbIPd

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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.

    • 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