Overview

overview

9

Static

static

3

2026-06-27...ry.exe

windows10-2004-x64

9

2026-06-27...ry.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    118s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 02:13

Sharing

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General

  • Target
    2026-06-27_dc8105316473906440bdac2b05a50a8b_elex_wannacry.exe
  • Size 74.2MB
  • Sample260629-cntxysa12x
  • SHA256 3b2c1e0ca715cf1603c1f6db8761a524f174fafedd2221f94d2ed577d0da058a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
adwarecosturadiscoverypackerpersistenceransomwarespyware

Malware Config

Signatures

  • Detects executables manipulated with Fody 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Costura .NET executable packer 1 IoCs

    Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

    costurapacker
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-27_dc8105316473906440bdac2b05a50a8b_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-27_dc8105316473906440bdac2b05a50a8b_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\AMFTool.exe
      "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\AMFTool.exe"
      2⤵
      • Checks BIOS information in registry
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4460
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /target:exe /out:"C:\Users\Admin\AppData\Local\Temp\AMFTool.exe" "C:\Users\Admin\AppData\Local\Temp\guardian_src_1368934852674f5aa29444b0ac660efc.cs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3932
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES68E.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCD31BCE2A4724CE39CB8A8868CEA4773.TMP"
          4⤵
            PID:2900
        • C:\Users\Admin\AppData\Local\Temp\AMFTool.exe
          "C:\Users\Admin\AppData\Local\Temp\AMFTool.exe" 4460
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2784
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2476
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:1472
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1136
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2876

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          prep_Activatable Class_Hermes_perf.cache
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 603B
          • SHA256 b346273b0f3e13afaa9f07d97248343c45a667a5e097d1198a449a4de187aebb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          prep_Activatable Class_Hermes_perf.cache
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          AMFTool.exe
          • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\AMFTool.exe
          • Size 49.1MB
          • SHA256 ebed2638e3e2162af438f52f3a561604cfa692f35c6943a58aff7b4f7c714248
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          AMFTool.exe.config
          • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\AMFTool.exe.config
          • Size 52KB
          • SHA256 96def34492b9aca61ee65f3488648efff0b0840c5d897a2e751d745739ae2f4b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          preloader_Vivo_6750_66_Y69.bin
          • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Data\Preloader\preloader_Vivo_6750_66_Y69.bin
          • Size 640B
          • SHA256 6c6f55d1e364ad7691bc5f74973fe4834e3a7a1ccb5f81ac635df8580dca7404
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          preloader_hct6757_66_n_patched.bin
          • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Data\Preloader\preloader_hct6757_66_n_patched.bin
          • Size 592B
          • SHA256 f7ab4dbdda43711e3d5196d3ff40470a0a048b2bea3746e25bce82fe878e80c9
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          preloader_oppo6771_17331_.bin
          • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Data\Preloader\preloader_oppo6771_17331_.bin
          • Size 2KB
          • SHA256 51cae7476a7e3c9b8837ef1f75fb97dab58c7ac04796ea9125c82a47938747b5
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          preloader_oppo6771_18531__.bin
          • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Data\Preloader\preloader_oppo6771_18531__.bin
          • Size 1KB
          • SHA256 4e4d3dfa8e3e720149ec144a20f70c8f237ca5da744333fc726cfa50520e63f1
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          AMFTool.exe
          • Path C:\Users\Admin\AppData\Local\Temp\AMFTool.exe
          • Size 5KB
          • SHA256 52ac66e6fd59005ab167e7cb15da666c555211c1f90dfccac3aa1cc8932ec664
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          RES68E.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\RES68E.tmp
          • Size 1KB
          • SHA256 62e062ee6e3a11f4eff7a603f8a0275c06666ad5d6c2553f9974984463236e85
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          CSCD31BCE2A4724CE39CB8A8868CEA4773.TMP
          • Path \??\c:\Users\Admin\AppData\Local\Temp\CSCD31BCE2A4724CE39CB8A8868CEA4773.TMP
          • Size 1KB
          • SHA256 195e22044c353d69f8aa4cb0b4a32724c544b32eee716f90562d895a23f64eca
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          guardian_src_1368934852674f5aa29444b0ac660efc.cs
          • Path \??\c:\Users\Admin\AppData\Local\Temp\guardian_src_1368934852674f5aa29444b0ac660efc.cs
          • Size 4KB
          • SHA256 3ee1bf1ab210527e7543dc78ca3511904bf7770d571eb0d11746edd9f5bf814a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1472-2014-0x000000000DB90000-0x000000000E40B000-memory.dmp
          Download

          memory/2508-0-0x0000000000400000-0x0000000000439000-memory.dmp
          Download

          memory/2784-1821-0x0000000000600000-0x0000000000608000-memory.dmp
          Download

          memory/2876-1893-0x0000016401DE0000-0x0000016401EE0000-memory.dmp
          Download

          memory/2876-1866-0x00000164001E0000-0x00000164002E0000-memory.dmp
          Download

          memory/2876-1864-0x00000164001E0000-0x00000164002E0000-memory.dmp
          Download

          memory/2876-1892-0x00000164019C0000-0x00000164019E0000-memory.dmp
          Download

          memory/2876-1896-0x0000016401C00000-0x0000016401C20000-memory.dmp
          Download

          memory/2876-1910-0x00000164146A0000-0x00000164146C0000-memory.dmp
          Download

          memory/4460-1827-0x000000000BD10000-0x000000000C2BC000-memory.dmp
          Download

          memory/4460-1829-0x000000000A450000-0x000000000A590000-memory.dmp
          Download

          memory/4460-1830-0x000000000CAA0000-0x000000000CAAA000-memory.dmp
          Download

          memory/4460-1831-0x0000000011920000-0x0000000011E4C000-memory.dmp
          Download

          memory/4460-1832-0x0000000010250000-0x0000000010A50000-memory.dmp
          Download

          memory/4460-1834-0x000000000A990000-0x000000000A9B8000-memory.dmp
          Download

          memory/4460-1833-0x000000000A8D0000-0x000000000A992000-memory.dmp
          Download

          memory/4460-1835-0x000000000AD80000-0x000000000AD8A000-memory.dmp
          Download

          memory/4460-1836-0x000000000AD90000-0x000000000AD98000-memory.dmp
          Download

          memory/4460-1837-0x000000000ADB0000-0x000000000ADC8000-memory.dmp
          Download

          memory/4460-1838-0x000000000ADD0000-0x000000000ADDA000-memory.dmp
          Download

          memory/4460-1839-0x000000000ADE0000-0x000000000ADFE000-memory.dmp
          Download

          memory/4460-1828-0x000000000A310000-0x000000000A41A000-memory.dmp
          Download

          memory/4460-1826-0x000000000EE90000-0x000000001024E000-memory.dmp
          Download

          memory/4460-1825-0x000000000A0D0000-0x000000000A162000-memory.dmp
          Download

          memory/4460-1824-0x0000000072C90000-0x000000007344C000-memory.dmp
          Download

          memory/4460-1823-0x0000000072CA2000-0x0000000072CA3000-memory.dmp
          Download

          memory/4460-1822-0x0000000009600000-0x0000000009BBA000-memory.dmp
          Download

          memory/4460-1810-0x0000000072C90000-0x000000007344C000-memory.dmp
          Download

          memory/4460-1809-0x0000000000DE0000-0x0000000003F08000-memory.dmp
          Download

          memory/4460-1808-0x0000000072CA2000-0x0000000072CA3000-memory.dmp
          Download