Analysis

  • max time kernel
    150s
  • 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
    09/08/2026, 10:16

General

  • Target
    a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe
  • Size 575KB
  • Sample260809-mbbkysyzev
  • SHA256 a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • 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 5 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe
    "C:\Users\Admin\AppData\Local\Temp\a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a2409.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6036
      • C:\Users\Admin\AppData\Local\Temp\a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe
        "C:\Users\Admin\AppData\Local\Temp\a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe"
        3⤵
        • Executes dropped EXE
        PID:852
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4100
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3372

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe
        • Size 124KB
        • SHA256 c63ef46b0f20123e70dea6c0af3756b18eceb8bbb3173bfb8148095e63807e77
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a2409.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a2409.bat
        • Size 722B
        • SHA256 40045ceb3b10604900c8b41556494a133157e85a2de97d2e9d05a678aae0d69b
        • MD5 SHA1 SHA512 TLSH

        a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe.exe
        • Size 549KB
        • SHA256 707f415d7d581edd9bce99a0429ad4629d3be0316c329e8b9ebd576f7ab50b71
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 acca897ac28f597801df59bd1343785f7bea8c1013821c44d2f1878ee5ef1488
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-1875162379-3804078649-638427191-1000\_desktop.ini
        • Size 8B
        • SHA256 9665de4083439d021866163b21bda2a5f96fd16cd7572fbd2966e90951743829
        • MD5 SHA1 SHA512

        memory/2632-30-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2632-22-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2632-10-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2632-35-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2632-39-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2632-135-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2632-1246-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2632-5043-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2632-5516-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2968-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2968-13-0x0000000000400000-0x0000000000434000-memory.dmp