Analysis

  • max time kernel
    148s
  • 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
    09/08/2026, 09:25

General

  • Target
    b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe
  • Size 506KB
  • Sample260809-ld1r7aysct
  • SHA256 b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 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 6 IoCs
  • Executes a command shell one-liner 1 TTPs 3 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 10 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 62 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe
    "C:\Users\Admin\AppData\Local\Temp\b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5316
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a46A4.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4880
      • C:\Users\Admin\AppData\Local\Temp\b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe
        "C:\Users\Admin\AppData\Local\Temp\b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4572
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4B67.bat
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4548
          • C:\Users\Admin\AppData\Local\Temp\b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe
            "C:\Users\Admin\AppData\Local\Temp\b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe"
            5⤵
            • Executes dropped EXE
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2860
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4C22.bat
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2580
              • C:\Users\Admin\AppData\Local\Temp\b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe
                "C:\Users\Admin\AppData\Local\Temp\b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe"
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:3828
    • 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:4948
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4312
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5340

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        $$a46A4.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a46A4.bat
        • Size 722B
        • SHA256 6fa646c72dd71737da6c7faa0a867e02fafa1837cb5989e12aa7c483a65879be
        • MD5 SHA1 SHA512 TLSH

        $$a4B67.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a4B67.bat
        • Size 722B
        • SHA256 ed9d3d5734674246c2487b327d0854361a7a45a30b466078fe84914a08ae8ea4
        • MD5 SHA1 SHA512 TLSH

        $$a4C22.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a4C22.bat
        • Size 722B
        • SHA256 43f41008cce7b5659430f4a9095949ce05fca39bd54e0036e23bba09c3003077
        • MD5 SHA1 SHA512 TLSH

        b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe.exe
        • Size 440KB
        • SHA256 22c509710ad5cf1aacc6be9883d570c8ba5c14c9a8a5be9769f59c5386e81877
        • MD5 SHA1 SHA512 SSDEEP TLSH

        b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe.exe
        • Size 473KB
        • SHA256 4ead075acd4c2dc349c57aec80c90ae5a92bf02baf805f152aaff483a0f6680d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\b775cf7bf2336b9b13665c979ca603e1ae3e1272ec3719a5d4876dd11229dcf8.exe.exe
        • Size 408KB
        • SHA256 386b26735ce9afef569df511043e8a43dfb0109c50a77b70d7aff69b9e085642
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 32KB
        • SHA256 5c6ca16525876afba9f88ae6809b550793501ed5c5a73b8a800d4029ff92c98c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-552508041-2681165170-3229858294-1000\_desktop.ini
        • Size 8B
        • SHA256 9665de4083439d021866163b21bda2a5f96fd16cd7572fbd2966e90951743829
        • MD5 SHA1 SHA512

        memory/2860-28-0x0000000000400000-0x0000000000445000-memory.dmp

        memory/2860-33-0x0000000000400000-0x0000000000445000-memory.dmp

        memory/4572-24-0x0000000000400000-0x0000000000445000-memory.dmp

        memory/4948-11-0x0000000000400000-0x0000000000445000-memory.dmp

        memory/4948-1742-0x0000000000400000-0x0000000000445000-memory.dmp

        memory/4948-1743-0x0000000000400000-0x0000000000445000-memory.dmp

        memory/5316-10-0x0000000000400000-0x0000000000445000-memory.dmp

        memory/5316-0-0x0000000000400000-0x0000000000445000-memory.dmp