Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/08/2026, 22:55

General

  • Target
    2026-08-19_4d80f0e24a8913e2c27516eae5b9c476_elex_smoke-loader_wannacry_wapomi.exe
  • Size 40KB
  • Sample260819-2v7j3avfnd
  • SHA256 c817184225f4f180932a1790ddeafc8e3e9ac2fd7563b259b03e2fc4186837a4
  • 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 WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-19_4d80f0e24a8913e2c27516eae5b9c476_elex_smoke-loader_wannacry_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-19_4d80f0e24a8913e2c27516eae5b9c476_elex_smoke-loader_wannacry_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Users\Admin\AppData\Local\Temp\aUOlB.exe
      C:\Users\Admin\AppData\Local\Temp\aUOlB.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3848
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\462f3151.bat" "
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2008

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        462f3151.bat

        • Path C:\Users\Admin\AppData\Local\Temp\462f3151.bat
        • Size 185B
        • SHA256 23c5acbbed27b5ca8e034424d06bfbbc09d88bf24c7ec2925534708c01506080
        • MD5 SHA1 SHA512 TLSH

        aUOlB.exe

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

        memory/3848-5-0x0000000000A60000-0x0000000000A69000-memory.dmp

        memory/3848-9-0x0000000000A60000-0x0000000000A69000-memory.dmp

        memory/5016-0-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/5016-8-0x0000000000400000-0x000000000040E000-memory.dmp