Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/09/2026, 10:24

General

  • Target
    2026-09-24_4cbf146d3b711443c41ebced6ffb2aa1_coinminer_elex_smoke-loader_wannacry_wapomi.exe
  • Size 160KB
  • Sample260925-mfvvdsdd49
  • SHA256 a3aca28a0621ce953e5ff0de2d1204f74b3031adda5739bab9ffb65da1f5d1cf
  • 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++.

  • Detects executables packed with ASPack 3 IoCs
  • 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 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-24_4cbf146d3b711443c41ebced6ffb2aa1_coinminer_elex_smoke-loader_wannacry_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-24_4cbf146d3b711443c41ebced6ffb2aa1_coinminer_elex_smoke-loader_wannacry_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\uKDhSC.exe
      C:\Users\Admin\AppData\Local\Temp\uKDhSC.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3616
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\66203c14.bat" "
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2736

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        k2[1].rar

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5TOXJMFV\k2[1].rar
        • Size 1B
        • SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
        • MD5 SHA1 SHA512

        66203c14.bat

        • Path C:\Users\Admin\AppData\Local\Temp\66203c14.bat
        • Size 187B
        • SHA256 abfae12179f979cc4e0a75affbb22cca1d147f7dfb9086abd7a16b096a0190bb
        • MD5 SHA1 SHA512 TLSH

        7893491B.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7893491B.exe
        • Size 1B
        • SHA256 08f271887ce94707da822d5263bae19d5519cb3614e0daedc4c7ce5dab7473f1
        • MD5 SHA1 SHA512

        uKDhSC.exe

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

        memory/2384-0-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2384-40-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/3616-5-0x0000000000230000-0x0000000000239000-memory.dmp

        memory/3616-41-0x0000000000230000-0x0000000000239000-memory.dmp