Analysis

  • max time kernel
    111s
  • max time network
    133s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 10:35

General

  • Target
    2026-07-09_7573b64717dde766958c35ed8195d616_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
  • Size 3.2MB
  • Sample260709-mmxbsshx5w
  • SHA256 d1e50816452c2c68d20fdac97cb340f42a885ef3fe375f70474197a006c993dd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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.

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 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.

  • 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
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 52 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.

  • Uses Volume Shadow Copy WMI provider

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

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-09_7573b64717dde766958c35ed8195d616_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-09_7573b64717dde766958c35ed8195d616_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2420
    • C:\Users\Admin\AppData\Local\Temp\wkw4D2.tmp
      C:\Users\Admin\AppData\Local\Temp\wkw4D2.tmp
      2⤵
      • Executes dropped EXE
      PID:2592
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 9368
      2⤵
      • Program crash
      PID:1640
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2420 -ip 2420
    1⤵
      PID:5528
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5540
      • 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:5692
    • 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:4760
    • 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:6084

    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 607B
          • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
          • MD5 SHA1 SHA512 TLSH

          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

          wkw4D2.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\wkw4D2.tmp
          • Size 1.5MB
          • SHA256 d2526dba9bab56d83d7a444d068d8f79f842dd5bf1d0894d514277382403e550
          • MD5 SHA1 SHA512 SSDEEP TLSH

          wkw4D2.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\wkw4D2.tmp
          • Size 754KB
          • SHA256 c4f98f948299d5e08b397ecd534ed39901fe1d0113d71553e24cad27fb92bf6b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2420-995-0x0000000075C80000-0x0000000075D79000-memory.dmp

          memory/2420-993-0x0000000074EC0000-0x0000000074F9B000-memory.dmp

          memory/2420-994-0x000000007A010000-0x000000007A2A2000-memory.dmp

          memory/2420-996-0x0000000057860000-0x000000005786B000-memory.dmp

          memory/2420-0-0x0000000000400000-0x000000000044A000-memory.dmp

          memory/2420-477-0x0000000002270000-0x0000000002283000-memory.dmp

          memory/2420-2-0x0000000002270000-0x0000000002283000-memory.dmp

          memory/4760-1017-0x000001ABBEE90000-0x000001ABBEF90000-memory.dmp

          memory/4760-1063-0x000001AB82E70000-0x000001AB82E90000-memory.dmp

          memory/4760-1049-0x000001AB828D0000-0x000001AB828F0000-memory.dmp

          memory/4760-1032-0x000001AB82810000-0x000001AB82830000-memory.dmp

          memory/4760-1033-0x000001AB82A80000-0x000001AB82B80000-memory.dmp