Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/04/2026, 16:03

General

  • Target
    2026-04-22_4d1bce852b1ec560261999a993921e6a_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
  • Size 1.1MB
  • Sample260422-thrn3sez7v
  • SHA256 fca153ced746199d11b38781d800f2e626a16ac49ee2858b713da3d791784fc0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 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 Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-22_4d1bce852b1ec560261999a993921e6a_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-22_4d1bce852b1ec560261999a993921e6a_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4152
    • C:\Users\Admin\AppData\Local\Temp\2026-04-22_4d1bce852b1ec560261999a993921e6a_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe
      C:\Users\Admin\AppData\Local\Temp/2026-04-22_4d1bce852b1ec560261999a993921e6a_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe
      2⤵
      • Executes dropped EXE
      PID:1364

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        wow_helper.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe
        • Size 939KB
        • SHA256 03c503985da3ad9b3faae6101bddc8e38f1bc363748919c83deb324221d8fe3c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ie_to_edge_stub.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\BHO\ie_to_edge_stub.exe
        • Size 1.3MB
        • SHA256 f9116dab3a77edd3aa9d0da5e16d5dad30e0f0e63c55a9d4a67ffd2124a752c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge_pwa_launcher.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msedge_pwa_launcher.exe
        • Size 2.6MB
        • SHA256 03aa7323cfa9a1cce73bba2e6c53e3528469db337b32f741c2f5dfff7bcccd66
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateBroker.exe
        • Size 930KB
        • SHA256 ca59bba883c412858e263dd3a86433ac54f36ccde1025395ce2853c429ef94aa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdgeUpdate.exe.ico

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\MicrosoftEdgeUpdate.exe.ico
        • Size 3KB
        • SHA256 2e039a7ce5af3783a3d522d27112bfe7a1dac319ed5061de3bef89790d5ad63e
        • MD5 SHA1 SHA512 TLSH

        setup.exe.ico

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\Installer\setup.exe.ico
        • Size 3KB
        • SHA256 3d275500cf3ebda5e878d81dcbbaa53528397ccbe631aae8fae60de1ffefccf7
        • MD5 SHA1 SHA512 TLSH

        msedge_pwa_launcher.exe.ico

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_pwa_launcher.exe.ico
        • Size 3KB
        • SHA256 4785d266a2c476e0948100ea80f927d16389f7718b540daf0488457ba01958b0
        • MD5 SHA1 SHA512 TLSH

        Uninstall.exe.ico

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe.ico
        • Size 3KB
        • SHA256 44ae793c391e8578709e181e83cb820caaa10c08844440885d969a6c839b8a2b
        • MD5 SHA1 SHA512 TLSH

        maintenanceservice.exe

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
        • Size 1.1MB
        • SHA256 d8f03195d1e3a0d5aff118db8113227ece20f53894a55ddfac6d6c441f3ea606
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX5678.tmp

        • Path C:\Program Files\7-Zip\RCX5678.tmp
        • Size 828KB
        • SHA256 2bdce2a394362611175781566676b3309b335829b3b214e2f4d3488dc3aedcf7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVShNotify.exe.ico

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe.ico
        • Size 3KB
        • SHA256 463b6e99198762de39ea3c9156504527673355f452c17063d0fcc34caa3cfded
        • MD5 SHA1 SHA512 TLSH

        OfficeClickToRun.exe.ico

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe.ico
        • Size 3KB
        • SHA256 19306f3f899e8bae15a744924f1ebf2ce88624f5dd297e3993645fe8453adaa9
        • MD5 SHA1 SHA512 TLSH

        iexplore.exe.ico

        • Path C:\Program Files\Internet Explorer\iexplore.exe.ico
        • Size 3KB
        • SHA256 dd8074940b2a1e8d0ad513e7c6e2a0d0b11a857893f11dc77387800ca272e970
        • MD5 SHA1 SHA512 TLSH

        javaws.exe.ico

        • Path C:\Program Files\Java\jdk-1.8\bin\javaws.exe.ico
        • Size 3KB
        • SHA256 6c3d33a5119708abbf19b802f0908183037cd57a6394e45b7b234a76ef4b46c5
        • MD5 SHA1 SHA512 TLSH

        XLICONS.EXE.ico

        • Path C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE.ico
        • Size 3KB
        • SHA256 6454633b8c6a69aad48c3fc556c5e81cb5362db0c449b3f543bddfa41eba8d6b
        • MD5 SHA1 SHA512 TLSH

        misc.exe.ico

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\misc.exe.ico
        • Size 3KB
        • SHA256 df2cca9b322f9432b3f3aa7b91a12dd5f22fd50e589e3107e066d99bdb071176
        • MD5 SHA1 SHA512 TLSH

        msouc.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\msouc.exe
        • Size 887KB
        • SHA256 93b04843b99cfb80a4cc519d8be1667ab9e40fd4edce006a18a4b5908f22a799
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ohub32.exe.ico

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\ohub32.exe.ico
        • Size 3KB
        • SHA256 063c8f44d23e1ebbe390ea320eee672c449f47333120b7abbd4a78094c613113
        • MD5 SHA1 SHA512 TLSH

        pptico.exe.ico

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pptico.exe.ico
        • Size 3KB
        • SHA256 3b07d1aaa1c9c27082d7811d694aae3d422d5d965a91b2d4b8ecda3a79f760a2
        • MD5 SHA1 SHA512 TLSH

        sscicons.exe.ico

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\sscicons.exe.ico
        • Size 3KB
        • SHA256 b2a350ffac5074add67fe974467351777915de5a319be7879ba15d1f6915a092
        • MD5 SHA1 SHA512 TLSH

        wordicon.exe.ico

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\wordicon.exe.ico
        • Size 3KB
        • SHA256 5bd706a18e0cf54197df7f1d5239f3e058652bfde372afcab230ee9b95ba14a5
        • MD5 SHA1 SHA512 TLSH

        vlc.exe.ico

        • Path C:\Program Files\VideoLAN\VLC\vlc.exe.ico
        • Size 3KB
        • SHA256 3b17b29b6c4e39fc36571f8e0795eae6559637529602ae7a37d5f8f6254d0500
        • MD5 SHA1 SHA512 TLSH

        wmplayer.exe.ico

        • Path C:\Program Files\Windows Media Player\wmplayer.exe.ico
        • Size 3KB
        • SHA256 a32208cf5c16d7223999e6ecf1c185bc88d519483ff56ad5ca5f2cc00e677307
        • MD5 SHA1 SHA512 TLSH

        VC_redist.x86.exe.ico

        • Path C:\ProgramData\Package Cache\{4d8dcf8c-a72a-43e1-9833-c12724db736e}\VC_redist.x86.exe.ico
        • Size 3KB
        • SHA256 6ed1664d7718a68084ea1a4abb1d9621a6ae8da8e19db35cfca13aaa4c05eb33
        • MD5 SHA1 SHA512 TLSH

        FileCoAuth.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
        • Size 1.3MB
        • SHA256 5edc0e60ae2340d812af276c4a648f0d73afee924b3bfb670e9d5a745f0d32c4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OneDriveSetup.exe.ico

        • Path C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\OneDriveSetup.exe.ico
        • Size 3KB
        • SHA256 3a2d7fd9799178af58fbd08a2fffc56398cbf289c7ddd5c5f0fb2e241395261e
        • MD5 SHA1 SHA512 TLSH

        iconcache_idx.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db
        • Size 28KB
        • SHA256 48aa313809e819b3be17a5fb9276923478d1bf3de0a433e76ae81326314d8f0b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-04-22_4d1bce852b1ec560261999a993921e6a_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-04-22_4d1bce852b1ec560261999a993921e6a_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe
        • Size 292KB
        • SHA256 49ef8ff5bafc55821ecae184182313acc99e2480c321e1ded71c5213d2fa7f36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1364-37-0x000001285A2E0000-0x000001285A2E1000-memory.dmp

        memory/1364-9-0x000001285BB70000-0x000001285BDE0000-memory.dmp

        memory/1364-38-0x000001285BB70000-0x000001285BDE0000-memory.dmp

        memory/4152-0-0x0000000000400000-0x00000000004F1000-memory.dmp

        memory/4152-821-0x0000000000400000-0x00000000004F1000-memory.dmp

        memory/4152-921-0x0000000002410000-0x0000000002474000-memory.dmp