Analysis

  • max time kernel
    148s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/08/2026, 15:07

General

  • Target
    deepseek_bat_20260822_9009ff.bat
  • Size 1KB
  • Sample260822-shffdazybx
  • SHA256 4ebce29109dac9e0d2c7321949f6bff27517ef28fa2bece77060e2cea6a8deb2
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Drops file in Drivers directory 64 IoCs
  • Manipulates Digital Signatures 1 IoCs

    Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

  • Possible privilege escalation attempt 2 IoCs
  • Boot or Logon Autostart Execution: Print Processors 1 TTPs 1 IoCs

    Adversaries may abuse print processors to run malicious DLLs during system boot for persistence and/or privilege escalation.

  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 64 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Drops file in System32 directory 64 IoCs
  • Executes a command shell one-liner 1 TTPs 5 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\deepseek_bat_20260822_9009ff.bat"
    1⤵
    • Drops file in Drivers directory
    • Manipulates Digital Signatures
    • Boot or Logon Autostart Execution: Print Processors
    • Drops file in System32 directory
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Windows\system32\timeout.exe
      timeout /t 2 /nobreak
      2⤵
      • Delays execution with timeout.exe
      PID:2932
    • C:\Windows\system32\takeown.exe
      takeown /f C:\Windows\System32 /r /d y
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:4112
    • C:\Windows\system32\icacls.exe
      icacls C:\Windows\System32 /grant Admin:F /t
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3680
    • C:\Windows\system32\cmd.exe
      cmd /c "for /l %i in (0,0,0) do set x=1"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Executes a command shell one-liner
      PID:4404
      • C:\Windows\System32\Conhost.exe
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:4624
    • C:\Windows\system32\cmd.exe
      cmd /c "for /l %i in (0,0,0) do set x=2"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Executes a command shell one-liner
      PID:1408
      • C:\Windows\System32\Conhost.exe
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:5004
    • C:\Windows\system32\cmd.exe
      cmd /c "for /l %i in (0,0,0) do set x=3"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Executes a command shell one-liner
      PID:3984
      • C:\Windows\System32\Conhost.exe
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:960
    • C:\Windows\system32\cmd.exe
      cmd /c "for /l %i in (0,0,0) do set x=4"
      2⤵
      • Executes dropped EXE
      • Executes a command shell one-liner
      PID:4656
      • C:\Windows\System32\Conhost.exe
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3968

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        KernelBase.dll

        • Path C:\Windows\System32\KernelBase.dll
        • Size 2.8MB
        • SHA256 79eadbc61d0762e6931ee5e49007898596ece6bc2a61c080ada7a2c70992d6e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SHCore.dll

        • Path C:\Windows\System32\SHCore.dll
        • Size 686KB
        • SHA256 79e0e627e4e8b0a34375db8c71592977538e9743cc67adf88c615157a0e86b00
        • MD5 SHA1 SHA512 SSDEEP TLSH

        advapi32.dll

        • Path C:\Windows\System32\advapi32.dll
        • Size 673KB
        • SHA256 e92f9f71ba5a405c5d1a51bd03d6f830f004aca05b80b5bcf525514eca4480ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cmd.exe

        • Path C:\Windows\System32\cmd.exe
        • Size 283KB
        • SHA256 b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450
        • MD5 SHA1 SHA512 SSDEEP TLSH

        combase.dll

        • Path C:\Windows\System32\combase.dll
        • Size 3.3MB
        • SHA256 4d4f893a1e260c4e9e286eb9ab4ac3e9b356495da05b691fc40e65056767a7ab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        conhost.exe

        • Path C:\Windows\System32\conhost.exe
        • Size 848KB
        • SHA256 51bb5aeef2e48dd14fae764f80dc67f516df9914ea9c350329e229f6cea919a2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gdi32.dll

        • Path C:\Windows\System32\gdi32.dll
        • Size 162KB
        • SHA256 de75aea74bf6453f42f02b949a6a3dc00ecef4ae16310fc4a0acb6d869e1fd2a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gdi32full.dll

        • Path C:\Windows\System32\gdi32full.dll
        • Size 1.0MB
        • SHA256 f2f28c7195557af1e6d50016b41839514ea2dcd4716c5c5bb87dd2c200e5499e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        imm32.dll

        • Path C:\Windows\System32\imm32.dll
        • Size 181KB
        • SHA256 00053aa7be3825828ad7c8c1c9f9ad29df07f5538107479886d8427df86bb4f0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        kernel32.dll

        • Path C:\Windows\System32\kernel32.dll
        • Size 752KB
        • SHA256 e5988a4597838f07fff021dd6c1653a8a459ed6caf2a63da95ec42ab49d37e0d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msctf.dll

        • Path C:\Windows\System32\msctf.dll
        • Size 1.1MB
        • SHA256 6f76f28097ff333063b56ae707b7f3d8d9091d5ccf3eb092948ad038ef2e5ad1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msvcp_win.dll

        • Path C:\Windows\System32\msvcp_win.dll
        • Size 619KB
        • SHA256 fd1d0cc8a5ac8bf20af9e1a7ec360dd76dc022dfe992556948df1c17f7a714d2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msvcrt.dll

        • Path C:\Windows\System32\msvcrt.dll
        • Size 622KB
        • SHA256 dd7c8bc34cdbe30ef921395e874909bbf6be53803822164f75f7207e9f085650
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntdll.dll

        • Path C:\Windows\System32\ntdll.dll
        • Size 1.9MB
        • SHA256 12d1bac765448db638adc8327de1101e5e2eb5829b8da7edd5b216a45c717eec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        oleaut32.dll

        • Path C:\Windows\System32\oleaut32.dll
        • Size 812KB
        • SHA256 bbe70836e44ba71555906d37011ec2aa3f86bd1314f5431406bba8f305dfb570
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rpcrt4.dll

        • Path C:\Windows\System32\rpcrt4.dll
        • Size 1.2MB
        • SHA256 c84bbd6d2e4f0334d75d6199133515fce3d44439062095f0dcfd1f8df0f5183b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sechost.dll

        • Path C:\Windows\System32\sechost.dll
        • Size 610KB
        • SHA256 f900de6143d808a03584075417940c5d42bcf612811a19129059a696be8645d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        shell32.dll

        • Path C:\Windows\System32\shell32.dll
        • Size 7.3MB
        • SHA256 7b5993e69ea99e221f68a73015462bcaa8715016d86b696f3dd7925638c2dc51
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ucrtbase.dll

        • Path C:\Windows\System32\ucrtbase.dll
        • Size 1020KB
        • SHA256 de8d08d01291df93821314176381f3d1ae863e6c5584a7f8ea42f0b94b15ef65
        • MD5 SHA1 SHA512 SSDEEP TLSH

        user32.dll

        • Path C:\Windows\System32\user32.dll
        • Size 1.6MB
        • SHA256 a1331a9b4c8cca6ccdda97efa7b57fe249cb1753b0ee9c212a41856866c21b23
        • MD5 SHA1 SHA512 SSDEEP TLSH

        uxtheme.dll

        • Path C:\Windows\System32\uxtheme.dll
        • Size 614KB
        • SHA256 8080001033997f644aceb6a08c9a8fb445a9e338ec3202fa819936dc71f06367
        • MD5 SHA1 SHA512 SSDEEP TLSH

        win32u.dll

        • Path C:\Windows\System32\win32u.dll
        • Size 129KB
        • SHA256 f9f54817d8174c8cefecbb36c1c001d8a088bfd87d769d38f2dd0b5108c668ac
        • MD5 SHA1 SHA512 SSDEEP TLSH