Analysis

  • max time kernel
    112s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    31/05/2026, 19:52

General

  • Target
    2026-05-31_d28791146f0854726a74d2727f3ebe9d_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.1MB
  • Sample260531-ylpfcafs2x
  • SHA256 6f63cc7c46df17d6258b7ad719fae04e9d6dc9a5c39560d0243f38ce7b7f4b3e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 12 IoCs
  • ASPack v2.12-2.42 8 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • 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.

  • 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\2026-05-31_d28791146f0854726a74d2727f3ebe9d_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-31_d28791146f0854726a74d2727f3ebe9d_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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:5192
  • 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:4204

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.1MB
        • SHA256 6f63cc7c46df17d6258b7ad719fae04e9d6dc9a5c39560d0243f38ce7b7f4b3e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge_X64_139.0.3405.125.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Download\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\139.0.3405.125\MicrosoftEdge_X64_139.0.3405.125.exe$
        • Size 2.2MB
        • SHA256 deac7574755ec6777baa4d95b03eac88d61d0653ddbeec33f207152041cd6b1c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge.exe$

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe$
        • Size 2.2MB
        • SHA256 8e6d9196f0f534dcbf71a64382fd6c9517b5c6ea3d223b3274a23d7cc50adbc0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.6MB
        • SHA256 2fbfd58db712a0646a1755c545af89652bd1953801120c500952dc089d359dc0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DW20.EXE$

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$
        • Size 2.1MB
        • SHA256 aed2e5c6c5904e2e595f4fc0beebbabe410b3dc54a800bad29ad3ebb134793c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 2.1MB
        • SHA256 5c9dbbb45ff494432ff446e0723c19840cdb45f0c778fd82da1225ce1b3d1c19
        • MD5 SHA1 SHA512 SSDEEP TLSH

        integrator.exe$

        • Path C:\ProgramData\Microsoft\ClickToRun\{9AC08E99-230B-47e8-9721-4577B7F124EA}\integrator.exe$
        • Size 2.5MB
        • SHA256 e1e6bdc3a3f8f9dc97cefc6d611f642cd26af19f30d65de54716f25f73710555
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dfsvc.exe$

        • Path C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.exe$
        • Size 2.1MB
        • SHA256 4dc1323c1ddcc27076361ad6e08301468ab20fe4faf4ef7b9d1b63bbc659d946
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4204-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4204-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5192-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5192-70-0x0000000000400000-0x000000000040F000-memory.dmp