Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    08/07/2026, 04:31

General

  • Target
    2026-07-08_74807b381e0df990bebaed66426cb809_elex_smoke-loader_wapomi.exe
  • Size 260KB
  • Sample260708-e5ekpsay8z
  • SHA256 a7cb81a1f26d92520bed14d44b50e2d4be84eb8f79c8e5b01cd2c125e9787b3a
  • 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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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).

  • 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\2026-07-08_74807b381e0df990bebaed66426cb809_elex_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-08_74807b381e0df990bebaed66426cb809_elex_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4788
    • C:\Users\Admin\AppData\Local\Temp\UBZOdy.exe
      C:\Users\Admin\AppData\Local\Temp\UBZOdy.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5776
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1f522b8b.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5936

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        k2[1].rar

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\7EOZKXVE\k2[1].rar
        • Size 42B
        • SHA256 7ba961a403aaa0886ceeece4468ad4a836ad7fcb3ae8f5756a4082c3e8465470
        • MD5 SHA1 SHA512

        14B9500F.exe

        • Path C:\Users\Admin\AppData\Local\Temp\14B9500F.exe
        • Size 42B
        • SHA256 33fbe05ea24c82d2dee2f285be496288065ae628eeac89660f50243a0a1f7c30
        • MD5 SHA1 SHA512

        1f522b8b.bat

        • Path C:\Users\Admin\AppData\Local\Temp\1f522b8b.bat
        • Size 187B
        • SHA256 e982931e3fc6e7373a59a4da0dda4e895de29daa1828cc92d972dbb49026b3c2
        • MD5 SHA1 SHA512 TLSH

        UBZOdy.exe

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

        memory/4788-0-0x0000000000DB0000-0x0000000000DF5000-memory.dmp

        memory/4788-7-0x0000000000DB0000-0x0000000000DF5000-memory.dmp

        memory/5776-4-0x0000000000B70000-0x0000000000B79000-memory.dmp

        memory/5776-8-0x0000000000B70000-0x0000000000B79000-memory.dmp