Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 03:34

General

  • Target
    2026-08-03_05c80e5463a628b7c823595f3b1f4bbf_cobalt-strike_hijackloader_icedid.exe
  • Size 764KB
  • Sample260804-d4yfrafm7z
  • SHA256 e2affa0d6d98ca6cd8dbb05f8db955a71127b37c631a9cea4c967bdc992c93e6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Registers new Windows logon scripts automatically executed at logon. 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of WriteProcessMemory 4 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_05c80e5463a628b7c823595f3b1f4bbf_cobalt-strike_hijackloader_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_05c80e5463a628b7c823595f3b1f4bbf_cobalt-strike_hijackloader_icedid.exe"
    1⤵
    • Creates a file in the Startup directory
    • Registers new Windows logon scripts automatically executed at logon.
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4716
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks.exe /create /tn "SecurityHealthService" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E598CBA.xml" /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1200
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks.exe /create /tn "WindowsSecurityHealth" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E598D3F.xml" /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1896
  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_05c80e5463a628b7c823595f3b1f4bbf_cobalt-strike_hijackloader_icedid.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-03_05c80e5463a628b7c823595f3b1f4bbf_cobalt-strike_hijackloader_icedid.exe
    1⤵
    • Creates a file in the Startup directory
    • Registers new Windows logon scripts automatically executed at logon.
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks.exe /create /tn "SecurityHealthService" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E59A5F7.xml" /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:472
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks.exe /create /tn "WindowsSecurityHealth" /xml "C:\Users\Admin\AppData\Local\Temp\~st0E59A525.xml" /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:236

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ~st0E598CBA.xml

        • Path C:\Users\Admin\AppData\Local\Temp\~st0E598CBA.xml
        • Size 1KB
        • SHA256 b5eb53052052320f7b18740ade37898f3a43cd2a3933c447e8b49aad4a582e72
        • MD5 SHA1 SHA512 TLSH

        ~st0E598D3F.xml

        • Path C:\Users\Admin\AppData\Local\Temp\~st0E598D3F.xml
        • Size 1KB
        • SHA256 e4000b37a6317eb7cf119ac63963a39a98c9863c9a947c77d4cb71d61b94963e
        • MD5 SHA1 SHA512 TLSH

        ~st0E59A525.xml

        • Path C:\Users\Admin\AppData\Local\Temp\~st0E59A525.xml
        • Size 1KB
        • SHA256 40df6d4b9712ac3e8cfe408b419d46580be976ff02c2dc7f60c8687619a5244c
        • MD5 SHA1 SHA512 TLSH

        memory/2452-22-0x0000000500000000-0x0000000500400000-memory.dmp

        memory/2452-23-0x0000000500000000-0x0000000500400000-memory.dmp

        memory/4716-4-0x0000000500000000-0x0000000500400000-memory.dmp

        memory/4716-18-0x0000000500000000-0x0000000500400000-memory.dmp

        memory/4716-19-0x0000000500000000-0x0000000500400000-memory.dmp

        memory/4716-20-0x0000000500000000-0x0000000500400000-memory.dmp

        memory/4716-21-0x0000000500000000-0x0000000500400000-memory.dmp