Overview

overview

8

Static

static

3

b15a113821...1e.exe

windows10-2004-x64

8

b15a113821...1e.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/08/2026, 02:48

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General

  • Target
    b15a11382113200feaa347e910b25dd39bbede1452cff3627876b3c3da9a581e.exe
  • Size 8.1MB
  • Sample260812-dap8aaxdmb
  • SHA256 b15a11382113200feaa347e910b25dd39bbede1452cff3627876b3c3da9a581e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
discoveryexecution

Malware Config

Signatures

  • Drops file in Drivers directory 21 IoCs
  • Executes dropped EXE 4 IoCs
  • Drops file in System32 directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • 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.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 32 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b15a11382113200feaa347e910b25dd39bbede1452cff3627876b3c3da9a581e.exe
    "C:\Users\Admin\AppData\Local\Temp\b15a11382113200feaa347e910b25dd39bbede1452cff3627876b3c3da9a581e.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "cd /D C:\Users\Admin\AppData\Local\Temp\WCHISPTool_CH56x && SETUP /P "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3212
      • C:\Users\Admin\AppData\Local\Temp\WCHISPTool_CH56x\SETUP.EXE
        SETUP /P
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2372
        • C:\Users\Admin\AppData\Local\Temp\WCHISPTool_CH56x\DRVSETUP64\DRVSETUP64.EXE
          C:\Users\Admin\AppData\Local\Temp\WCHISPTool_CH56x\DRVSETUP64\DRVSETUP64.EXE \p
          4⤵
          • Executes dropped EXE
          PID:5664
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "cd /D C:\Users\Admin\AppData\Local\Temp\WCHISPTool_CH56x && SETUP /S "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Users\Admin\AppData\Local\Temp\WCHISPTool_CH56x\SETUP.EXE
        SETUP /S
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5088
        • C:\Users\Admin\AppData\Local\Temp\WCHISPTool_CH56x\DRVSETUP64\DRVSETUP64.EXE
          C:\Users\Admin\AppData\Local\Temp\WCHISPTool_CH56x\DRVSETUP64\DRVSETUP64.EXE \s
          4⤵
          • Drops file in Drivers directory
          • Executes dropped EXE
          • Drops file in System32 directory
          • Drops file in Windows directory
          • Checks SCSI registry key(s)
          • Suspicious use of AdjustPrivilegeToken
          PID:1620
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "4" "0" "C:\Users\Admin\AppData\Local\Temp\{abf5c6cb-8340-5c4d-ab13-9806e0d149b0}\CH375WDM.INF" "9" "47c02199b" "00000000000000EC" "WinSta0\Default" "0000000000000180" "208" "C:\Users\Admin\AppData\Local\Temp\WCHISPTool_CH56x\WIN 1X"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Modifies data under HKEY_USERS
    PID:4820

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        DRVSETUP64.EXE
        • Path C:\Users\Admin\AppData\Local\Temp\WCHISPTool_CH56x\DRVSETUP64\DRVSETUP64.EXE
        • Size 51KB
        • SHA256 14caf1a64fa15de0d1152b9ec589a569896112bf7dc457d9bdcf31bfa09254f0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SETUP.EXE
        • Path C:\Users\Admin\AppData\Local\Temp\WCHISPTool_CH56x\SETUP.EXE
        • Size 90KB
        • SHA256 4b58be5dbcfa0a452b7d62fa61ff8a8e5935fc5d524ef086379ec92e11db5519
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CH375WDM.INF
        • Path C:\Users\Admin\AppData\Local\Temp\WCHISPTool_CH56x\WIN 1X\CH375WDM.INF
        • Size 9KB
        • SHA256 f41675a827a53d23b59f23677a3d091a8974e251b38ef0c355608f5b47bbb0cf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CH375DLL.DLL
        • Path C:\Users\Admin\AppData\Local\Temp\WCHISP~1\WIN1X~1\CH375DLL.DLL
        • Size 22KB
        • SHA256 8aadd025422d4634aaaf6ce2de6106ff2915a41c15ede3c1b8118e206e3e997d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CH375D~1.DLL
        • Path C:\Users\Admin\AppData\Local\Temp\WCHISP~1\WIN1X~1\CH375D~1.DLL
        • Size 30KB
        • SHA256 db19ce17fe9b731cc82b9c40f2c7da23b55f19661c46ce1cfba9952b8a8621f7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CH375W64.SYS
        • Path C:\Users\Admin\AppData\Local\Temp\WCHISP~1\WIN1X~1\CH375W64.SYS
        • Size 48KB
        • SHA256 afa9f44918c7fd2ba3ebe8c1d54a63557d7f434177088dafb40242127519e60b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CH375WDM.CAT
        • Path C:\Users\Admin\AppData\Local\Temp\WCHISP~1\WIN1X~1\CH375WDM.CAT
        • Size 13KB
        • SHA256 0c5e4bcb87c13524b92a8e6500b12e7793b52fd20af5a3961a3a878a1583bb6f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ch375wdm.inf_amd64_e060932c7f7f92aa.ini
        • Path C:\Windows\System32\DriverStore\FileRepository\ch375wdm.inf_amd64_e060932c7f7f92aa.ini
        • Size 650B
        • SHA256 8205899bdf9c9e17bff446194115cf8d196d84308cb89da72d6c468b1551e6e8
        • MD5 SHA1 SHA512 TLSH
        Submit Download