Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/08/2026, 04:29

General

  • Target
    bd6d17b6695360291ff23bfe1417ec8413d9ff11b7db8a8475c248109506a09e.exe
  • Size 775KB
  • Sample260824-e4m6fsshld
  • SHA256 bd6d17b6695360291ff23bfe1417ec8413d9ff11b7db8a8475c248109506a09e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • djvu

C2
  • http://fuyt.org/test1/get.php

Attributes
  • extension

    .wdlo

  • offline_id

    i0fXrUHVihm5xsI9Icg243YMPJqd748Ocimkyjt1

  • payload_url

    http://zerit.top/dl/build2.exe

    http://fuyt.org/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-0S984cQ4B3 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: 0430JIjdm

rsa_pubkey.plain

Extracted

Family
  • bdaejec

C2
  • ddos.dnsnb8.net

Signatures

  • Family: Bdaejec

    Bdaejec is a backdoor written in C++.

  • Family: Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Detected Djvu ransomware 2 IoCs
  • Detects Bdaejec Backdoor. 1 IoCs

    Bdaejec is backdoor written in C++.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd6d17b6695360291ff23bfe1417ec8413d9ff11b7db8a8475c248109506a09e.exe
    "C:\Users\Admin\AppData\Local\Temp\bd6d17b6695360291ff23bfe1417ec8413d9ff11b7db8a8475c248109506a09e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3344
    • C:\Users\Admin\AppData\Local\Temp\wOzSzE.exe
      C:\Users\Admin\AppData\Local\Temp\wOzSzE.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3420
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\56b10011.bat" "
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4160
    • C:\Users\Admin\AppData\Local\Temp\bd6d17b6695360291ff23bfe1417ec8413d9ff11b7db8a8475c248109506a09e.exe
      "C:\Users\Admin\AppData\Local\Temp\bd6d17b6695360291ff23bfe1417ec8413d9ff11b7db8a8475c248109506a09e.exe"
      2⤵
        PID:5376

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          56b10011.bat

          • Path C:\Users\Admin\AppData\Local\Temp\56b10011.bat
          • Size 187B
          • SHA256 e8ebab041006af9ccf8d43e2979c502b2e01e62cf06b868a3c9fc21c9073fc06
          • MD5 SHA1 SHA512 TLSH

          wOzSzE.exe

          • Path C:\Users\Admin\AppData\Local\Temp\wOzSzE.exe
          • Size 15KB
          • SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3344-2-0x0000000000400000-0x0000000000506000-memory.dmp

          memory/3344-9-0x00000000022B0000-0x0000000002347000-memory.dmp

          memory/3344-10-0x0000000002430000-0x000000000254B000-memory.dmp

          memory/3344-14-0x0000000000400000-0x0000000000506000-memory.dmp

          memory/3420-5-0x0000000000CB0000-0x0000000000CB9000-memory.dmp

          memory/3420-15-0x0000000000CB0000-0x0000000000CB9000-memory.dmp

          memory/5376-11-0x0000000000400000-0x0000000000537000-memory.dmp