Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 04:42

General

  • Target
    2026-08-03_e2100c924ffd64209826cbcaed0697b6_amadey_darkgate_elex_luca-stealer_lynx_njrat_smoke-loader_wapomi.exe
  • Size 6.9MB
  • Sample260803-fbtyza11fw
  • SHA256 216a605b30dff23c70167ae8057ea43b970fe9baf05534368309a299a6bee04f
  • 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 2 IoCs
  • Adds Run key to start application 2 TTPs 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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 27 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_e2100c924ffd64209826cbcaed0697b6_amadey_darkgate_elex_luca-stealer_lynx_njrat_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_e2100c924ffd64209826cbcaed0697b6_amadey_darkgate_elex_luca-stealer_lynx_njrat_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5628
    • C:\Users\Admin\AppData\Local\Temp\MDCKwR.exe
      C:\Users\Admin\AppData\Local\Temp\MDCKwR.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5128
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\57bc08df.bat" "
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:5312
    • C:\Users\Admin\Desktop\UClient.exe
      "C:\Users\Admin\Desktop\UClient.exe" /t 5628
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4912

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\7IWVBK5J\k2[1].rar
        • Size 1B
        • SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
        • MD5 SHA1 SHA512

        57bc08df.bat

        • Path C:\Users\Admin\AppData\Local\Temp\57bc08df.bat
        • Size 187B
        • SHA256 85975564e0440632f90bd310ef2946ac39d9bd4285d21f1d63d6774e2151f6c0
        • MD5 SHA1 SHA512 TLSH

        741E1420.exe

        • Path C:\Users\Admin\AppData\Local\Temp\741E1420.exe
        • Size 1B
        • SHA256 08f271887ce94707da822d5263bae19d5519cb3614e0daedc4c7ce5dab7473f1
        • MD5 SHA1 SHA512

        MDCKwR.exe

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

        UClient.db

        • Path C:\Users\Admin\AppData\Local\UClient\UClient.db
        • Size 28KB
        • SHA256 dda9ef7105ff40509b9558d4be90fc73a6f892a2e30ac585b54480bd23c3816e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        appgroup.xml

        • Path C:\Users\Admin\AppData\Local\UClient\appgroup.xml
        • Size 79B
        • SHA256 27b2f8bab527c849aaa7b7742614e64bfe7bc72efe34bc020df20019f19258d3
        • MD5 SHA1 SHA512 TLSH

        apporder.xml

        • Path C:\Users\Admin\AppData\Local\UClient\apporder.xml
        • Size 79B
        • SHA256 b3126694d4041c8d808d33aa9ae6e8199798ceb40b527e27dc5846bed21a5d5b
        • MD5 SHA1 SHA512 TLSH

        main.log

        • Path C:\Users\Admin\AppData\Local\UClient\log\main.log
        • Size 1KB
        • SHA256 eb47fa8adeb5767e1328821265df502fd0a53b316e6c10c35be35ae6f748bda8
        • MD5 SHA1 SHA512 TLSH

        setting.cfg

        • Path C:\Users\Admin\AppData\Local\UClient\setting.cfg
        • Size 15B
        • SHA256 81ad6a1a0fb68aac9c5066dbc3e9f8e8fcac4cb8b634935043cdc58f914dd133
        • MD5 SHA1 SHA512

        UClient.exe

        • Path C:\Users\Admin\Desktop\UClient.exe
        • Size 6.9MB
        • SHA256 216a605b30dff23c70167ae8057ea43b970fe9baf05534368309a299a6bee04f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4912-64-0x0000000000B90000-0x0000000001280000-memory.dmp

        memory/4912-20-0x0000000000B90000-0x0000000001280000-memory.dmp

        memory/5128-63-0x00000000008D0000-0x00000000008D9000-memory.dmp

        memory/5128-5-0x00000000008D0000-0x00000000008D9000-memory.dmp

        memory/5628-21-0x0000000000A60000-0x0000000001150000-memory.dmp

        memory/5628-0-0x0000000000A60000-0x0000000001150000-memory.dmp