Overview

overview

10

Static

static

10

2026-07-02...ys.exe

windows10-2004-x64

10

2026-07-02...ys.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    91s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 20:16

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General

  • Target
    2026-07-02_7e1689fbe86c4ecf12fa623cd1550a29_cobalt-strike_elex_icedid_njrat_rhadamanthys.exe
  • Size 412KB
  • Sample260702-y2dzjsd17v
  • SHA256 43390f4f6b7778195f5edb2b390d68c1d60d303f4e391ea19a79543bd7504d80
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarediscoverycosmupersistenceransomwarespywareworm

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

    wormcosmu
  • Detects Cosmu payload 10 IoCs

    Cosmu is a worm written in C++.

  • 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
  • Enumerates connected drives 3 TTPs 12 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • 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.

    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 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-02_7e1689fbe86c4ecf12fa623cd1550a29_cobalt-strike_elex_icedid_njrat_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-02_7e1689fbe86c4ecf12fa623cd1550a29_cobalt-strike_elex_icedid_njrat_rhadamanthys.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4336
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4696
    • 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:4792
  • 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:1640
  • 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:5776
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4120

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          7z.exe
          • Path C:\Program Files\7-Zip\7z.exe
          • Size 455KB
          • SHA256 ed1f6d766a23cbf11eb8baf308b5523b75e1affd59eb43396027790cf5e400e2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          chrmstp.exe
          • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe
          • Size 1.5MB
          • SHA256 d7b7e7a76df80338bb3bd3e6b8ea6133cd47c921ef5213c7cfdf415375268a5d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          setup.exe
          • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe
          • Size 412KB
          • SHA256 366e7b03cfd6b2e2ba6ede2fbae8ab38d1f97ad4ef21194fd72dd13675cf343d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          chrome_pwa_launcher.exe
          • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe
          • Size 1.5MB
          • SHA256 5c89d4f447a2cdbb6b26ea00695623d2ac3382db6a469b2d546208c3c67cd172
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          RCX9190.tmp
          • Path C:\Program Files\Google\Chrome\Application\RCX9190.tmp
          • Size 464KB
          • SHA256 1fd45f946cb0eacc6778fd332dc9cf7167b388f6e99475e0630e88e2211cbff7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          chrome.exe
          • Path C:\Program Files\Google\Chrome\Application\chrome.exe
          • Size 464KB
          • SHA256 c33da3f8b89288153fc68343d7d64b8bac0d1a760003d45ed167da98bdd79503
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          chrome_proxy.exe
          • Path C:\Program Files\Google\Chrome\Application\chrome_proxy.exe
          • Size 455KB
          • SHA256 49fbcf1197ab3182b3c5e39424490f502c669ecde685b70c076a13d2fd64b2a8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          appletviewer.exe
          • Path C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe
          • Size 412KB
          • SHA256 14e2f35c86ee58fc7b58518bea7e79507fa792e13ad8711482ff54a5608c1b72
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          jabswitch.exe
          • Path C:\Program Files\Java\jre-1.8\bin\jabswitch.exe
          • Size 412KB
          • SHA256 96f78ba7a7aac6e055f3537091217e7808c842702114a4880f8ff49c2e296e19
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          crashreporter.exe
          • Path C:\Program Files\Mozilla Firefox\crashreporter.exe
          • Size 1.5MB
          • SHA256 4e4a549857b5ac478f6b56ca53b0ff9b9695e3924b363419678050267d03340a
          • MD5 SHA1 SHA512 SSDEEP 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

          memory/1640-313-0x0000028037FD0000-0x0000028037FF0000-memory.dmp
          Download

          memory/1640-280-0x00000280376F0000-0x0000028037710000-memory.dmp
          Download

          memory/1640-287-0x0000028037A10000-0x0000028037A30000-memory.dmp
          Download

          memory/1640-273-0x0000027833C50000-0x0000027833D50000-memory.dmp
          Download

          memory/1640-281-0x0000028037B30000-0x0000028037C30000-memory.dmp
          Download

          memory/4792-430-0x000000000E130000-0x000000000E9AB000-memory.dmp
          Download