Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/11/2026, 19:31

General

  • Target
    AMCap.exe
  • Size 632KB
  • Sample261107-x8cjma1vbw
  • SHA256 ef9717b44bfd73a4805be6933e75a56eafa69001ccdcbd5ddc0783bb25011f08
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • bdaejec

C2
  • ddos.dnsnb8.net

Signatures

  • Family: Bdaejec

    Bdaejec is a backdoor written in C++.

  • 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
  • Drops file in Program Files directory 64 IoCs
  • Enumerates video capture drivers 2 TTPs 1 IoCs

    Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.

  • 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.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AMCap.exe
    "C:\Users\Admin\AppData\Local\Temp\AMCap.exe"
    1⤵
    • Enumerates video capture drivers
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4176
    • C:\Users\Admin\AppData\Local\Temp\DCCXZE.exe
      C:\Users\Admin\AppData\Local\Temp\DCCXZE.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2276
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7cc50a5f.bat" "
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:5940

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7cc50a5f.bat

        • Path C:\Users\Admin\AppData\Local\Temp\7cc50a5f.bat
        • Size 187B
        • SHA256 556f7e8051371abe1f7dd5af59f9614ab83c7eb4dcde8510eb48a913eec6e1f3
        • MD5 SHA1 SHA512 TLSH

        DCCXZE.exe

        • Path C:\Users\Admin\AppData\Local\Temp\DCCXZE.exe
        • Size 15KB
        • SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2276-5-0x00000000007F0000-0x00000000007F9000-memory.dmp

        memory/2276-9-0x00000000007F0000-0x00000000007F9000-memory.dmp

        memory/4176-0-0x0000000000400000-0x00000000004A7000-memory.dmp

        memory/4176-8-0x0000000000400000-0x00000000004A7000-memory.dmp