Overview

overview

10

Static

static

3

2026-09-30...op.exe

windows10-2004-x64

10

2026-09-30...op.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-09-30_b948db439da44f13be74cb29f0ba02f9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop
  • Size 696KB
  • Sample260930-j5pswsyvbw
  • SHA256 a46721856ab247123a60faa6f8c637d6d6cbb51a1cd4245520a3b6218170d1da
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
djvustealcdiscoverypersistenceransomwarestealer

Malware Config

Extracted

Family

  • djvu

C2

  • http://wrrst.top/fhsgtsspen6/get.php

Attributes
  • extension

    .koom

  • offline_id

    99p8vN1UYnRVfJrLk31VTLd69Ni5b0ex99QMQKt1

  • payload_url

    http://securebiz.org/dl/build2.exe

    http://wrrst.top/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-J0DxAGRqKO 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: 0334gSd743d

rsa_pubkey.plain

Targets

    • Target
      2026-09-30_b948db439da44f13be74cb29f0ba02f9_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop
    • Size 696KB
    • SHA256 a46721856ab247123a60faa6f8c637d6d6cbb51a1cd4245520a3b6218170d1da
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoverydjvustealcpersistenceransomwarestealer

    • Detected Djvu ransomware

    • Detects Stealc stealer Version 3

    • Family: Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Family: Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Checks computer location settings

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

    • Executes dropped EXE

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks