Overview

overview

3

Static

static

3

usbtest/USBaccess.dll

windows10-2004-x64

3

usbtest/USBaccess.dll

windows11-ltsc_2024-x64

3

usbtest/US...md.exe

windows10-2004-x64

3

usbtest/US...md.exe

windows11-ltsc_2024-x64

3

Resubmissions

12/08/2026, 08:42

260812-kmclaasfnd3

12/08/2026, 08:38

260812-kjzxeabe645

Analysis

  • user interaction
    yes
  • max time kernel
    207s
  • max time network
    138s
  • 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, 08:42

Sharing

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Report Analysis Logs

General

  • Target
    usbtest/USBaccess.dll
  • Size 1.9MB
  • Sample260812-kmclaasfnd
  • SHA256 8bc9daf07d6bf3f315417bd1d9648e841d68f581e4c4140856e9c5416753a43d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
discoveryexecution

Malware Config

Signatures

  • Executes a command shell one-liner 1 TTPs 10 IoCs

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

    execution
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 34 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\usbtest\USBaccess.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\usbtest\USBaccess.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4548
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 668
        3⤵
        • Program crash
        PID:4216
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4548 -ip 4548
    1⤵
      PID:3316
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /7
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4392
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:1088
      • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
        "C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        PID:5840
      • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
        "C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        PID:1288
      • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
        "C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        PID:2800
      • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
        "C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        PID:4844
      • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
        "C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        PID:2004
      • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
        "C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        PID:5584
      • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
        "C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        PID:3728
      • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
        "C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        PID:6084
      • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
        "C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        PID:1840
      • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
        "C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        PID:1228
      • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
        "C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        PID:3052
      • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
        "C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        PID:2652
      • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
        "C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        PID:5576
      • C:\Windows\System32\NOTEPAD.EXE
        "C:\Windows\System32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\usbtest\New Text Document.bat
        1⤵
          PID:5180
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\usbtest\New Text Document.bat" "
          1⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:4452
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCmd.exe
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1652
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCMD 1
            2⤵
            • System Location Discovery: System Language Discovery
            PID:4164
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\usbtest\New Text Document.bat" "
          1⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:5968
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCmd.exe
            2⤵
            • System Location Discovery: System Language Discovery
            PID:4320
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCMD 1
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1704
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\usbtest\New Text Document.bat" "
          1⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:4116
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCmd.exe
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2200
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCMD 0
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1132
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\usbtest\New Text Document.bat" "
          1⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:4688
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCmd.exe
            2⤵
            • System Location Discovery: System Language Discovery
            PID:716
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCMD 0
            2⤵
            • System Location Discovery: System Language Discovery
            PID:3432
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\usbtest\New Text Document.bat" "
          1⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:4836
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCmd.exe
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1120
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCMD 1
            2⤵
            • System Location Discovery: System Language Discovery
            PID:5624
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\usbtest\New Text Document.bat" "
          1⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:1208
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCmd.exe
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1128
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCMD 1
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1264
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\usbtest\New Text Document.bat" "
          1⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:6044
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCmd.exe
            2⤵
            • System Location Discovery: System Language Discovery
            PID:6096
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCMD 1
            2⤵
            • System Location Discovery: System Language Discovery
            PID:5380
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\usbtest\New Text Document.bat" "
          1⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:2612
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCmd.exe
            2⤵
            • System Location Discovery: System Language Discovery
            PID:3240
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCMD 1
            2⤵
            • System Location Discovery: System Language Discovery
            PID:5652
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\usbtest\New Text Document.bat" "
          1⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:4868
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCmd.exe
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1956
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCMD 1
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2000
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\usbtest\New Text Document.bat" "
          1⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:5356
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCmd.exe
            2⤵
            • System Location Discovery: System Language Discovery
            PID:4140
          • C:\Users\Admin\AppData\Local\Temp\usbtest\USBswitchCmd.exe
            USBswitchCMD 1
            2⤵
            • System Location Discovery: System Language Discovery
            PID:4216

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              New Text Document.bat
              • Path C:\Users\Admin\AppData\Local\Temp\usbtest\New Text Document.bat
              • Size 32B
              • SHA256 2b7c50d892d2d5cbca4957a1c187116af080045be8bb95e3e4669fc4e79bbf83
              • MD5 SHA1 SHA512
              Submit Download

              New Text Document.bat
              • Path C:\Users\Admin\AppData\Local\Temp\usbtest\New Text Document.bat
              • Size 32B
              • SHA256 9904e176613263a6ceba4475d696c5c3983e887e764439f35451b4696894d4bd
              • MD5 SHA1 SHA512
              Submit Download

              memory/4392-2-0x0000020D73DE0000-0x0000020D73DE1000-memory.dmp
              Download

              memory/4392-0-0x0000020D73DE0000-0x0000020D73DE1000-memory.dmp
              Download

              memory/4392-9-0x0000020D73DE0000-0x0000020D73DE1000-memory.dmp
              Download

              memory/4392-10-0x0000020D73DE0000-0x0000020D73DE1000-memory.dmp
              Download

              memory/4392-11-0x0000020D73DE0000-0x0000020D73DE1000-memory.dmp
              Download

              memory/4392-7-0x0000020D73DE0000-0x0000020D73DE1000-memory.dmp
              Download

              memory/4392-6-0x0000020D73DE0000-0x0000020D73DE1000-memory.dmp
              Download

              memory/4392-8-0x0000020D73DE0000-0x0000020D73DE1000-memory.dmp
              Download