Analysis

  • max time kernel
    111s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    26/04/2026, 08:57

General

  • Target
    2026-04-26_97bd4830d9fcb974dbe318840e0b57de_cobalt-strike_conti_elex_hijackloader.exe
  • Size 492KB
  • Sample260426-kwpbfaey6k
  • SHA256 93044f78e9338c1ec7f362c39a876129697b2769c353301e9e557f4ff85e363d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 30 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • NTFS ADS 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-26_97bd4830d9fcb974dbe318840e0b57de_cobalt-strike_conti_elex_hijackloader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-26_97bd4830d9fcb974dbe318840e0b57de_cobalt-strike_conti_elex_hijackloader.exe"
    1⤵
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:3928
  • C:\905c0769f9a06c95a24ddf945\patcher.exe
    C:\905c0769f9a06c95a24ddf945\patcher.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:4396

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 984KB
        • SHA256 691226b525cf350f3c1bad60d9660fb45ff336f3795c4502262242181dd6a57c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ADelRCP.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe
        • Size 627KB
        • SHA256 0ab276d921d9137625adc67c3de134186fc26a8666f69e0f21cbb335f2d83fea
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AcroRd32.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
        • Size 780KB
        • SHA256 71c0ec238632405dd9990dc9d90198ca0e063416956d5012898e48b51727a52b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AcroRd32Info.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe
        • Size 521KB
        • SHA256 194fb8fef3bdfc109a34785c6479be550083f9066b5a5c2544bad2b02705934c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AcroTextExtractor.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe
        • Size 538KB
        • SHA256 0e5fd4d92f782df5f19e8a9cf81ee80fd47152e5ce39592414db6e43b9b93677
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Eula.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe
        • Size 583KB
        • SHA256 cf188888ed2575b85230a15fa26b2cf1c11c4729c5e324f9032608e8a0cefdca
        • MD5 SHA1 SHA512 SSDEEP TLSH

        FullTrustNotifier.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe
        • Size 705KB
        • SHA256 b537d23a6168e6140919e2b432ebd55951433d43364babaa05dad596f14a8a67
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LogTransport2.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe
        • Size 837KB
        • SHA256 3eb58d532cdb21d94468ae95e6ffe30746df0074e72bb65ce1eee5371df4fcdd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        arh.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe
        • Size 576KB
        • SHA256 724d17a3314b43b369ffb62892c77107dcd83f8262340e488a6bec75270c6ff7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        reader_sl.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe
        • Size 544KB
        • SHA256 4d9002e6cd0629978c6307935c7ed45b039b02f0cb1af44b3b6ec97a62382fd1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wow_helper.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe
        • Size 599KB
        • SHA256 295486692605016c8f5b8c3019c68e99a8a3627c2b79fac8ae4a76dc1addce64
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdgeUpdateSetup.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\1.3.195.65\MicrosoftEdgeUpdateSetup.exe
        • Size 590KB
        • SHA256 ce16bd5865e8e40b7ceda91eb1942d22a9ffe5f6137e1b7fa8934814e97043ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InspectorOfficeGadget.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe
        • Size 540KB
        • SHA256 cc8be408cdbd73627cd0d0bc17c326b2b0e4e2b9b8016066621ecc9c38637b8e
        • 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 636KB
        • SHA256 10ec168375e08a74778057cc92684781ec13d0859cf2eabedee8d17305ab2f82
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jar.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jar.exe
        • Size 515KB
        • SHA256 efcfa02f2f4db0bfd06017b65f2888ea2ad21c5066a2513bbf301b7c9f5efdda
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jarsigner.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe
        • Size 515KB
        • SHA256 a8acab3a8f83e973fffcc54f4ba6e3a466a1ae253c6285c6489253ee20485d03
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javah.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\javah.exe
        • Size 515KB
        • SHA256 478fff2e2abc5c660008e0d155991d95b485aea1a9967b1ff3429dc657f85a41
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javap.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\javap.exe
        • Size 515KB
        • SHA256 df6efede1bb6304d1247138bf4bc975b5523e6909d91147f57115e562e66d048
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jjs.exe

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe
        • Size 515KB
        • SHA256 0028e9497b2e31c21bf29ec22d37b03b9506904310454c10e0409a866353b271
        • MD5 SHA1 SHA512 SSDEEP TLSH

        java-rmi.exe

        • Path C:\Program Files\Java\jre-1.8\bin\java-rmi.exe
        • Size 515KB
        • SHA256 762fbfa06a71e7073cd45f32d2c25c1345b938b97c15158d16e7125b38eac640
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tnameserv.exe

        • Path C:\Program Files\Java\jre-1.8\bin\tnameserv.exe
        • Size 515KB
        • SHA256 11868a9ef753b8c6a26ea9f24cc34f2193f3d4e305fb39c89ea8d7bfe8eff6c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.Mashup.Container.NetFX40.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe
        • Size 513KB
        • SHA256 1e22b5396a3e5582c54de731ae95983ec51caa848dc99c4768d4e348d1dc029c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.Mashup.Container.NetFX45.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe
        • Size 513KB
        • SHA256 775bf5a0fffcf9c58e27cae9e30fcf19dce45c0af977132c42a63c644cf14256
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\misc.exe
        • Size 901KB
        • SHA256 a9ab36b3d3bb9a1919eba3997f2aae140376027ec42cac284464dfd741e42898
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe
        • Size 1.0MB
        • SHA256 59495165f7d14cda733e55a470332c839bac2c93ec37544986c50af4f0c787ec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSBuild.exe$

        • Path C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe$
        • Size 581KB
        • SHA256 4d90e97dec485f4ca0e483bb1a8261b1a07ac87be3babbad30b68dbe93cf4f28
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3928-1112-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/3928-0-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/3928-67-0x0000000003100000-0x0000000003702000-memory.dmp

        memory/4396-1126-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/4396-80-0x00000000030A0000-0x00000000036A2000-memory.dmp

        memory/4396-14-0x0000000000400000-0x000000000040D000-memory.dmp