Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 06:38

General

  • Target
    e89c41d9e711d56e04e7f3e4c2c246305b49bdef1fca54aa4ca71547190e0a00.exe
  • Size 1.6MB
  • Sample261102-hd8agsfx61
  • SHA256 e89c41d9e711d56e04e7f3e4c2c246305b49bdef1fca54aa4ca71547190e0a00
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 TTPs 1 IoCs
  • Drops file in Drivers directory 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • VMProtect packed file 13 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Drops file in System32 directory 33 IoCs
  • Drops file in Program Files directory 13 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

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

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies data under HKEY_USERS 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 35 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of UnmapMainImage 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:748
      • C:\ProgramData\EhStorAuthn.exe
        "C:\ProgramData\EhStorAuthn.exe"
        2⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Reads the TCP/IP host and domain name from the registry
        • Checks SCSI registry key(s)
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1348
        • C:\Windows\system32\Eap3Host.exe
          "C:\Windows\system32\Eap3Host.exe"
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3004
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:1328
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        1⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:3416
        • C:\Users\Admin\AppData\Local\Temp\e89c41d9e711d56e04e7f3e4c2c246305b49bdef1fca54aa4ca71547190e0a00.exe
          "C:\Users\Admin\AppData\Local\Temp\e89c41d9e711d56e04e7f3e4c2c246305b49bdef1fca54aa4ca71547190e0a00.exe"
          2⤵
          • Unexpected DNS network traffic destination
          • Reads the TCP/IP host and domain name from the registry
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2352
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Users\Admin\AppData\Local\Temp\e89c41d9e711d56e04e7f3e4c2c246305b49bdef1fca54aa4ca71547190e0a00.exe"
            3⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:5980
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 1
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:4780

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            EhStorAuthn.exe

            • Path C:\ProgramData\EhStorAuthn.exe
            • Size 148KB
            • SHA256 15e47a9ccd644903cf9cf4c38017949107e0c1c20ae15a29db84ee53a87aced8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            40QZoc2XTlwH.kkt

            • Path C:\Windows\System32\40QZoc2XTlwH.kkt
            • Size 175KB
            • SHA256 558b00b2f716c216fb5b811f394434053d4fc9f745ec83217b54fc8fdef48c4a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            2B0CAB41.cat

            • Path C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\2B0CAB41.cat
            • Size 5KB
            • SHA256 591f18bca3cb1b0791a73d30fd841c4523e62e54a542573220713dd9c1386976
            • MD5 SHA1 SHA512 SSDEEP TLSH

            2B0CCE99.cat

            • Path C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\2B0CCE99.cat
            • Size 5KB
            • SHA256 8c47f7370aa39ee4d693a7abc8cfc2a765f029e618327ff60e46bb7f5bd2ea6c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            IW8281sWMT1a.wiw

            • Path C:\Windows\System32\IW8281sWMT1a.wiw
            • Size 192KB
            • SHA256 7daeb0a4ec30e0860e771a71d7d554ddc51b47da04b73b370b47dd426bbe437f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1348-56-0x0000020331020000-0x0000020331204000-memory.dmp

            memory/1348-95-0x000002032ECA0000-0x000002032ECDF000-memory.dmp

            memory/1348-184-0x0000020330EA0000-0x0000020330EA1000-memory.dmp

            memory/1348-78-0x0000020330EA0000-0x0000020330EA1000-memory.dmp

            memory/1348-74-0x0000020331830000-0x0000020331B2F000-memory.dmp

            memory/1348-103-0x0000020331830000-0x0000020331B2F000-memory.dmp

            memory/1348-73-0x0000020331830000-0x0000020331B2F000-memory.dmp

            memory/1348-22-0x000002032ECF0000-0x000002032EF57000-memory.dmp

            memory/1348-69-0x0000020330E80000-0x0000020330E81000-memory.dmp

            memory/1348-25-0x000002032ECF0000-0x000002032EF57000-memory.dmp

            memory/1348-26-0x000002032ECF0000-0x000002032EF57000-memory.dmp

            memory/1348-34-0x00007FFA350B0000-0x00007FFA350C0000-memory.dmp

            memory/1348-33-0x000002032ECF0000-0x000002032EF57000-memory.dmp

            memory/1348-39-0x00007FFA350B0000-0x00007FFA350C0000-memory.dmp

            memory/1348-40-0x000002032D330000-0x000002032D331000-memory.dmp

            memory/1348-68-0x0000020330E30000-0x0000020330E71000-memory.dmp

            memory/1348-98-0x0000020330E30000-0x0000020330E71000-memory.dmp

            memory/1348-67-0x000002032EC30000-0x000002032EC31000-memory.dmp

            memory/1348-96-0x000002032EC30000-0x000002032EC31000-memory.dmp

            memory/1348-64-0x000002032ECA0000-0x000002032ECDF000-memory.dmp

            memory/1348-46-0x000002032ECF0000-0x000002032EF57000-memory.dmp

            memory/1348-48-0x000002032EC30000-0x000002032EC31000-memory.dmp

            memory/1348-47-0x000002032D270000-0x000002032D271000-memory.dmp

            memory/1348-50-0x000002032EC40000-0x000002032EC41000-memory.dmp

            memory/1348-49-0x000002032EC30000-0x000002032EC31000-memory.dmp

            memory/1348-52-0x000002032EC50000-0x000002032EC51000-memory.dmp

            memory/1348-51-0x000002032D330000-0x000002032D331000-memory.dmp

            memory/1348-53-0x000002032EC40000-0x000002032EC41000-memory.dmp

            memory/1348-94-0x0000020331020000-0x0000020331204000-memory.dmp

            memory/1348-57-0x0000020331020000-0x0000020331204000-memory.dmp

            memory/1348-63-0x0000020331020000-0x0000020331204000-memory.dmp

            memory/1348-65-0x000002032EC40000-0x000002032EC41000-memory.dmp

            memory/2352-8-0x0000000000770000-0x0000000000870000-memory.dmp

            memory/2352-0-0x0000000000770000-0x0000000000870000-memory.dmp

            memory/2352-102-0x0000000000770000-0x0000000000870000-memory.dmp

            memory/2352-24-0x0000000003520000-0x0000000003521000-memory.dmp

            memory/2352-1-0x0000000000770000-0x0000000000870000-memory.dmp

            memory/2352-5-0x0000000003520000-0x0000000003521000-memory.dmp

            memory/2352-6-0x0000000003520000-0x0000000003521000-memory.dmp

            memory/3004-70-0x000001BD61400000-0x000001BD61416000-memory.dmp

            memory/3416-43-0x00000000034D0000-0x00000000034D1000-memory.dmp

            memory/3416-45-0x00000000034F0000-0x00000000034F1000-memory.dmp

            memory/3416-44-0x00000000050C0000-0x0000000005355000-memory.dmp

            memory/3416-42-0x0000000003060000-0x0000000003061000-memory.dmp

            memory/3416-41-0x0000000003050000-0x0000000003051000-memory.dmp

            memory/3416-14-0x00000000050C0000-0x0000000005355000-memory.dmp

            memory/3416-106-0x00000000034F0000-0x00000000034F1000-memory.dmp

            memory/3416-19-0x00000000034F0000-0x00000000034F1000-memory.dmp

            memory/3416-12-0x00000000050C0000-0x0000000005355000-memory.dmp

            memory/3416-183-0x0000000005570000-0x0000000005571000-memory.dmp

            memory/3416-178-0x0000000005410000-0x0000000005411000-memory.dmp

            memory/3416-175-0x00000000053E0000-0x00000000053E1000-memory.dmp

            memory/3416-173-0x0000000005050000-0x0000000005051000-memory.dmp

            memory/3416-172-0x0000000005040000-0x0000000005041000-memory.dmp

            memory/3416-169-0x0000000003660000-0x0000000003661000-memory.dmp

            memory/3416-182-0x0000000005560000-0x0000000005561000-memory.dmp

            memory/3416-181-0x0000000005550000-0x0000000005551000-memory.dmp

            memory/3416-180-0x0000000005540000-0x0000000005541000-memory.dmp

            memory/3416-179-0x0000000005530000-0x0000000005531000-memory.dmp

            memory/3416-177-0x0000000005400000-0x0000000005401000-memory.dmp

            memory/3416-176-0x00000000053F0000-0x00000000053F1000-memory.dmp

            memory/3416-174-0x0000000005060000-0x0000000005061000-memory.dmp

            memory/3416-171-0x0000000004E30000-0x0000000004E31000-memory.dmp

            memory/3416-170-0x0000000004E20000-0x0000000004E21000-memory.dmp

            memory/3416-168-0x00000000034F0000-0x00000000034F1000-memory.dmp

            memory/3416-10-0x00000000050C0000-0x0000000005355000-memory.dmp

            memory/3416-9-0x00000000030A0000-0x00000000030A3000-memory.dmp

            memory/3416-7-0x00000000030A0000-0x00000000030A3000-memory.dmp

            memory/3416-267-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

            memory/3416-281-0x00000000091C0000-0x00000000091C1000-memory.dmp

            memory/3416-280-0x00000000091B0000-0x00000000091B1000-memory.dmp

            memory/3416-277-0x0000000007D90000-0x0000000007D91000-memory.dmp

            memory/3416-274-0x0000000007B30000-0x0000000007B31000-memory.dmp

            memory/3416-272-0x0000000003C40000-0x0000000003C41000-memory.dmp

            memory/3416-271-0x0000000003C30000-0x0000000003C31000-memory.dmp

            memory/3416-266-0x0000000003BE0000-0x0000000003BE1000-memory.dmp

            memory/3416-279-0x0000000008460000-0x0000000008461000-memory.dmp

            memory/3416-278-0x0000000008450000-0x0000000008451000-memory.dmp

            memory/3416-276-0x0000000007D60000-0x0000000007D61000-memory.dmp

            memory/3416-275-0x0000000007D50000-0x0000000007D51000-memory.dmp

            memory/3416-273-0x0000000003C50000-0x0000000003C51000-memory.dmp

            memory/3416-270-0x0000000003C20000-0x0000000003C21000-memory.dmp

            memory/3416-269-0x0000000003C10000-0x0000000003C11000-memory.dmp

            memory/3416-268-0x0000000003C00000-0x0000000003C01000-memory.dmp