Overview

overview

4

Static

static

1

BDREvilDecryptor.exe

windows10-2004-x64

4

BDREvilDecryptor.exe

windows11-ltsc_2024-x64

4

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 18:15

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General

  • Target
    BDREvilDecryptor.exe
  • Size 9.4MB
  • Sample260803-wwdeqade89
  • SHA256 b95acb0ac8f4ff7ebaa9788423e4daa400d50cfa3cbbeda6f9a11535ecdf771e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10
discovery

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BDREvilDecryptor.exe
    "C:\Users\Admin\AppData\Local\Temp\BDREvilDecryptor.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\Users\Admin\AppData\Local\Temp\BDRansomDecryptor\RemovalToolGUI.exe
      C:\Users\Admin\AppData\Local\Temp\BDRansomDecryptor\RemovalToolGUI.exe "
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:5024

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        REvilDecryptLib.dll
        • Path C:\Users\Admin\AppData\Local\Temp\BDRansomDecryptor\REvilDecryptLib.dll
        • Size 1.4MB
        • SHA256 10390a6cb615a2d008a02085866f652626021b9b7314b6824738e0c67511dd34
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RemovalToolGUI.exe
        • Path C:\Users\Admin\AppData\Local\Temp\BDRansomDecryptor\RemovalToolGUI.exe
        • Size 1.2MB
        • SHA256 f145e6e5fbdfb3f15d2becd41a8345c04aef0e276f97f5022454e1bdb467d5c3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        sciter.dll
        • Path C:\Users\Admin\AppData\Local\Temp\BDRansomDecryptor\sciter.dll
        • Size 7.8MB
        • SHA256 a18e82f09c16fad1c17a03a53d21d5b5857c29e99f0dfc6f9060499377b7c25a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download