Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 02:20

General

  • Target
    2026-07-31_fc3cdc54221aa402fe2b7c2571735954_bkransomware_elex_icedid_maze.exe
  • Size 2.3MB
  • Sample260731-csswfstzay
  • SHA256 a811d57aa81922c0210b3b3ee0194bc667aaecb3e80f67d376546b3e24179945
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 7 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 3 IoCs
  • 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.

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-31_fc3cdc54221aa402fe2b7c2571735954_bkransomware_elex_icedid_maze.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_fc3cdc54221aa402fe2b7c2571735954_bkransomware_elex_icedid_maze.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:4608
  • C:\Windows\System32\alg.exe
    C:\Windows\System32\alg.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:5464
  • C:\Windows\System32\GameInputSvc.exe
    C:\Windows\System32\GameInputSvc.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5444
    • C:\Windows\System32\GameInputSvc.exe
      "C:\Windows\System32\GameInputSvc.exe" Global\GameInputSession_1
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:5036
  • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
    "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    PID:3228
  • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    PID:2500
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    PID:2600
  • \??\c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE
    "c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"
    1⤵
    • Executes dropped EXE
    PID:2888

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        elevation_service.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
        • Size 2.7MB
        • SHA256 2af0f199823506d77b57f7f9dbdda7c2e429f6dc4c6922dc34be220547dfe1e4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        maintenanceservice.exe

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
        • Size 849KB
        • SHA256 0183ce3a0ebb70317f2fb1c0556ac83201b83428706fb4c48533812b622526a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 1.1MB
        • SHA256 80816917a25f34824f1443c90f5ce530cc7e7a1ef3d65daf34044aac599edcb5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7zFM.exe

        • Path C:\Program Files\7-Zip\7zFM.exe
        • Size 1.3MB
        • SHA256 eda8e209e8184619e50f926636b8320d95d67a16be21cc189b4920ce546a88cb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7zG.exe

        • Path C:\Program Files\7-Zip\7zG.exe
        • Size 1.3MB
        • SHA256 5210f127231100fca9e1a522a16523bb4d80527087b17b531b690c69519a1eb1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Uninstall.exe

        • Path C:\Program Files\7-Zip\Uninstall.exe
        • Size 603KB
        • SHA256 046d3b5472020a4b2b6b08e3be97d41eef8ec35bf293f318e16c23c6d6f20a55
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVShNotify.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe
        • Size 863KB
        • SHA256 0808c72d8d8ca3c2759ce5d5be9c294738a679306dd4e272dbd3c2850ceef93a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IntegratedOffice.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe
        • Size 3.1MB
        • SHA256 2db7cdfa4a9120dc3219e5e4d4463d5c503a87e3c50de44cb60f702a47afc6f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MavInject32.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe
        • Size 932KB
        • SHA256 54d283498190e30e6db5cd099bf1ca81b6083403f50e4e0f4ef109a2940081fd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeC2RClient.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe
        • Size 2.6MB
        • SHA256 154abdf2ec3d94a1ec6bb96ea0aac1592e7389fbd08ca8f438fa508bf9225ea6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        appvcleaner.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe
        • Size 2.7MB
        • SHA256 d296d2246ed34ca9e461e3eae54eeb7a92a3c712e1dc55a8d1f44852fd6a35dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LICLUA.EXE

        • Path C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE
        • Size 1.1MB
        • SHA256 b7ca12aed9709882372e15ae26aa5998b6eb95cd073c4e6a508d2f4d3121e016
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OSE.EXE

        • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
        • Size 829KB
        • SHA256 c9daa30a7b17535a81773f4676b59b7c7e304c28c3dde3728323143ad4c688fe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VSTOInstaller.exe

        • Path C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe
        • Size 678KB
        • SHA256 588f9f25afe485652c8aeb758c51fb5eb93c6407f6cc531f412c85f0c4081556
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrmstp.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
        • Size 1.5MB
        • SHA256 7497c2d90e5019dc6f8d3114539158d3e7248073dd117fb49e820e3e5cd8f979
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe
        • Size 1.4MB
        • SHA256 960fa0af85256a2d32f32f7bae2cdb034e0a21d567e71f9fbbba4215ab15717d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome_pwa_launcher.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe
        • Size 1.8MB
        • SHA256 dbc252aec01a04c8811e949523d3cbd7b44452ea7a8b9f30c504d87bd30f6e5c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        elevated_tracing_service.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe
        • Size 1.6MB
        • SHA256 7192373dca14c4f5527925d98fc1acca48f5f00be54ca1c7f6f4954764ca0f5f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        elevation_service.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
        • Size 2.8MB
        • SHA256 8de686a2d5e44c174749857118e5f1515f56f6fdad988d5144a549bffdfe204f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notification_helper.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe
        • Size 1.2MB
        • SHA256 00ad5a784864f463b85c3f3afda1e1b0092e11f849ccac88705a9cba264edd12
        • MD5 SHA1 SHA512 SSDEEP TLSH

        os_update_handler.exe

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe
        • Size 1.2MB
        • SHA256 9d1f2d126602b61c85093a79fcf89de045aee5bc1661de2932a80006c9ea3d25
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome_proxy.exe

        • Path C:\Program Files\Google\Chrome\Application\chrome_proxy.exe
        • Size 1.1MB
        • SHA256 1adf01d96ccfddf013a0da98e3e40abeca3a4ed7c382005fa50ab54b0584e0e3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        appletviewer.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe
        • Size 602KB
        • SHA256 d44355f7e80cb58f86922ab3e09cd99f6dec8711d9877563f1aa0d45a61b1f5b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        extcheck.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\extcheck.exe
        • Size 602KB
        • SHA256 2f43625f3b1cfbaf85083946375ae4bc5f17c8ecd776125255d63031b289e5a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        idlj.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\idlj.exe
        • Size 602KB
        • SHA256 dff319906f8f0245ae0a5798482364f543fc34071db83540bf18011cb2819e2d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jabswitch.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe
        • Size 622KB
        • SHA256 4c577f8afb4efeea5fc994ee134337274e7b4e946e103eaf68be1d0ffe71e620
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jar.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jar.exe
        • Size 602KB
        • SHA256 226aa7a6d62ac7391c3a17928a95a1afe16d7ebff1a7ffedea835d2236040cb5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jarsigner.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe
        • Size 512KB
        • SHA256 cd8691f4961298c26891eea072ae39ae7431b96ca6a1b29a9798366e1d30aca0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        java-rmi.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe
        • Size 448KB
        • SHA256 55f9c58189eed9b0a3f8458b2e36d7a7326ee36a3f037409f2a3260c96d6f0c9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        java.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\java.exe
        • Size 384KB
        • SHA256 82bc09f1272a5ae9b8cae497435f1aeff27deaaf3cbb8ffcde39373347142286
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javac.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\javac.exe
        • Size 320KB
        • SHA256 fb7a88b2946cac11d591f80501a7a46fb112a45a8c9c79fa38a7d362afea737a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javadoc.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\javadoc.exe
        • Size 256KB
        • SHA256 58dae73677539c26c8617605bd05e3946e584037731a930836b0e9687041251f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javah.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\javah.exe
        • Size 183KB
        • SHA256 ada66a1b781f60cbdb8c3c47887f99885fef9b6e862f2c658d80b50e2fd569d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javap.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\javap.exe
        • Size 128KB
        • SHA256 8a1377015758e367b0dc3d187549ca9bdbfeef58f70fc4f6d322b704d2f06993
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javapackager.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\javapackager.exe
        • Size 64KB
        • SHA256 f5c922731108951ff2a988e117bc2370502eb19dbd49459c1796033e145c4276
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javaw.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\javaw.exe
        • Size 42KB
        • SHA256 895be53b74436c26df5c45fcb83d672f3927854d0a773948ae6a9ca954f18359
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javaws.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\javaws.exe
        • Size 14KB
        • SHA256 6a63b7db8e5abe75adef41870544c0455e5ec8da8e8c47ace11291af2fe2f71c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dotnet.exe

        • Path C:\Program Files\dotnet\dotnet.exe
        • Size 722KB
        • SHA256 67e9c5a351d5362ecab1a09c27ce477fe27d0fa802e63848e2812397cea5df67
        • MD5 SHA1 SHA512 SSDEEP TLSH

        GameInputSvc.exe

        • Path C:\Windows\System32\GameInputSvc.exe
        • Size 660KB
        • SHA256 67858909a96901336ac1d2c3f432346d5575a1c568557073d432f07d74970669
        • MD5 SHA1 SHA512 SSDEEP TLSH

        alg.exe

        • Path C:\Windows\System32\alg.exe
        • Size 776KB
        • SHA256 cf0d026d9ca1bf1ba46b805078bca011fd74e425138d9b8ed2a5d227b786ca1e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVClient.exe

        • Path C:\Windows\system32\AppVClient.exe
        • Size 1.3MB
        • SHA256 27afcf0b5c8ce9a7a4af218691f55737b4c3f29a19104f98239309ba45c9fa3f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2500-57-0x0000026727B20000-0x0000026727C2D000-memory.dmp

        memory/2500-59-0x0000026727D50000-0x0000026727DB6000-memory.dmp

        memory/2500-58-0x0000026727D50000-0x0000026727DB6000-memory.dmp

        memory/2600-66-0x00007FF7A6290000-0x00007FF7A63F8000-memory.dmp

        memory/2600-75-0x00007FF7A6290000-0x00007FF7A63F8000-memory.dmp

        memory/2600-73-0x0000013522F80000-0x0000013522FE6000-memory.dmp

        memory/2600-68-0x0000013522F80000-0x0000013522FE6000-memory.dmp

        memory/2600-67-0x0000013522F80000-0x0000013522FE6000-memory.dmp

        memory/2888-79-0x000001C8A91F0000-0x000001C8A9256000-memory.dmp

        memory/2888-78-0x000001C8A9010000-0x000001C8A911D000-memory.dmp

        memory/2888-80-0x000001C8A91F0000-0x000001C8A9256000-memory.dmp

        memory/3228-47-0x000001D410D70000-0x000001D410DD6000-memory.dmp

        memory/3228-44-0x000001D410B20000-0x000001D410C2D000-memory.dmp

        memory/3228-45-0x000001D410D70000-0x000001D410DD6000-memory.dmp

        memory/4608-0-0x00000000028A0000-0x00000000029FD000-memory.dmp

        memory/4608-1-0x0000000001030000-0x0000000001099000-memory.dmp

        memory/4608-7-0x0000000001030000-0x0000000001099000-memory.dmp

        memory/5036-85-0x00007FF7A0710000-0x00007FF7A07D8000-memory.dmp

        memory/5036-35-0x00007FF7A0710000-0x00007FF7A07D8000-memory.dmp

        memory/5036-38-0x0000021522950000-0x00000215229B6000-memory.dmp

        memory/5036-37-0x0000021522950000-0x00000215229B6000-memory.dmp

        memory/5036-36-0x0000021522950000-0x00000215229B6000-memory.dmp

        memory/5444-28-0x000001CC78840000-0x000001CC788A6000-memory.dmp

        memory/5444-27-0x000001CC78840000-0x000001CC788A6000-memory.dmp

        memory/5444-29-0x000001CC78840000-0x000001CC788A6000-memory.dmp

        memory/5444-26-0x00007FF7A0710000-0x00007FF7A07D8000-memory.dmp

        memory/5444-65-0x00007FF7A0710000-0x00007FF7A07D8000-memory.dmp

        memory/5464-17-0x0000021405510000-0x0000021405576000-memory.dmp

        memory/5464-18-0x0000021405510000-0x0000021405576000-memory.dmp

        memory/5464-16-0x0000021405510000-0x0000021405576000-memory.dmp

        memory/5464-15-0x00007FF63BF60000-0x00007FF63C082000-memory.dmp

        memory/5464-50-0x00007FF63BF60000-0x00007FF63C082000-memory.dmp