Overview

overview

10

Static

static

3

2026-07-20...op.exe

windows10-2004-x64

10

2026-07-20...op.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 02:20

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General

  • Target
    2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe
  • Size 797KB
  • Sample260720-csg4yscv2q
  • SHA256 b935cdf6ead669f50201327fc6a75e64a062bab8a2a6b324dc56d26c94382906
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoverydjvuransomware

Malware Config

Extracted

Family

  • djvu

C2

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

Attributes
  • extension

    .efdc

  • offline_id

    rCmd3j4aykEBx0X7GSZFXZTRaA1p1vOlNlSS59t1

  • payload_url

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

    http://tbpws.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-8FD9fC02w8 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: 0332gDrgo

rsa_pubkey.plain

Signatures

  • Family: Djvu Ransomware

    Ransomware which is a variant of the STOP family.

    ransomwaredjvu
  • Detected Djvu ransomware 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Users\Admin\AppData\Local\Temp\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe"
      2⤵
        PID:4692

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/2292-1-0x00000000049B0000-0x0000000004A47000-memory.dmp
          Download

          memory/2292-2-0x0000000004A70000-0x0000000004B8B000-memory.dmp
          Download

          memory/4692-3-0x0000000000400000-0x0000000000537000-memory.dmp
          Download