Overview

overview

10

Static

static

10

2026-07-06...ry.exe

windows10-2004-x64

10

2026-07-06...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 21:59

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General

  • Target
    2026-07-06_3a9c791c07a8fd4dda818dc73eae6fd8_elex_wannacry.exe
  • Size 53KB
  • Sample260706-1we1rsct2x
  • SHA256 92cd4c060b68ef6338fc20301cde55303da64b5332c7b35680933eace122d843
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarediscoverycryptodefpersistencespywaretrojan

Malware Config

Signatures

  • Family: CryptoDef

    CryptoDef is a Windows trojan written in C.

    trojancryptodef
  • Detects CryptoDef 1 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
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-06_3a9c791c07a8fd4dda818dc73eae6fd8_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-06_3a9c791c07a8fd4dda818dc73eae6fd8_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3208
    • C:\Users\Admin\AppData\Local\Temp\eilgx.exe
      "C:\Users\Admin\AppData\Local\Temp\eilgx.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:6076
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5524
    • 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 behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2104
  • 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:1012
  • 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:2444

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 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        eilgx.exe
        • Path C:\Users\Admin\AppData\Local\Temp\eilgx.exe
        • Size 54KB
        • SHA256 8e0d98f99e19410b30aa2ec62f97f47ac19d94434795f7da979332e579d10b0b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1012-11-0x00000209801E0000-0x00000209802E0000-memory.dmp
        Download

        memory/1012-12-0x00000209801E0000-0x00000209802E0000-memory.dmp
        Download

        memory/1012-37-0x0000020983C90000-0x0000020983CB0000-memory.dmp
        Download

        memory/1012-27-0x0000020983F00000-0x0000020984000000-memory.dmp
        Download

        memory/1012-25-0x0000020983A30000-0x0000020983A50000-memory.dmp
        Download

        memory/1012-56-0x00000209846A0000-0x00000209846C0000-memory.dmp
        Download

        memory/1012-10-0x00000209801E0000-0x00000209802E0000-memory.dmp
        Download