Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 14:11

General

  • Target
    60977eca0c78ae08cb9a2ea3a52ce0f8b49f3df7522b5fb5ee8eeb1a46510f56.exe
  • Size 2.8MB
  • Sample260707-rhecmsgw8k
  • SHA256 60977eca0c78ae08cb9a2ea3a52ce0f8b49f3df7522b5fb5ee8eeb1a46510f56
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: SiriusRAT

    SiriusRAT is a Windows RAT written in C++ with HVNC, offline keylogging, and remote desktop capabilities.

  • Detects SiriusRAT 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.

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\60977eca0c78ae08cb9a2ea3a52ce0f8b49f3df7522b5fb5ee8eeb1a46510f56.exe
    "C:\Users\Admin\AppData\Local\Temp\60977eca0c78ae08cb9a2ea3a52ce0f8b49f3df7522b5fb5ee8eeb1a46510f56.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Users\Admin\AppData\Local\Temp\60977eca0c78ae08cb9a2ea3a52ce0f8b49f3df7522b5fb5ee8eeb1a46510f56.exe
      C:\Users\Admin\AppData\Local\Temp\60977eca0c78ae08cb9a2ea3a52ce0f8b49f3df7522b5fb5ee8eeb1a46510f56.exe
      2⤵
        PID:1824
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2704
      • 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:1576
    • 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:1348
    • 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:2940

    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 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • 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 607B
          • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
          • MD5 SHA1 SHA512 TLSH

          memory/1348-51-0x00000162838C0000-0x00000162838E0000-memory.dmp

          memory/1348-52-0x0000016293F60000-0x0000016294060000-memory.dmp

          memory/1348-61-0x0000016283D90000-0x0000016283DB0000-memory.dmp

          memory/1348-83-0x00000162942F0000-0x0000016294310000-memory.dmp

          memory/1348-23-0x00000162801E0000-0x00000162802E0000-memory.dmp

          memory/1576-199-0x000000000E790000-0x000000000F00B000-memory.dmp

          memory/1824-12-0x0000000140000000-0x0000000140558000-memory.dmp

          memory/2884-8-0x00007FFA79A90000-0x00007FFA7A434000-memory.dmp

          memory/2884-7-0x000001A8CFF50000-0x000001A8CFF70000-memory.dmp

          memory/2884-11-0x000001A8EB300000-0x000001A8EB59C000-memory.dmp

          memory/2884-0-0x00007FFA79C1F000-0x00007FFA79C20000-memory.dmp

          memory/2884-13-0x00007FFA79A90000-0x00007FFA7A434000-memory.dmp

          memory/2884-14-0x00007FFA79A90000-0x00007FFA7A434000-memory.dmp

          memory/2884-10-0x00007FFA79A90000-0x00007FFA7A434000-memory.dmp

          memory/2884-15-0x00007FFA79A90000-0x00007FFA7A434000-memory.dmp

          memory/2884-9-0x00007FFA79A90000-0x00007FFA7A434000-memory.dmp

          memory/2884-16-0x00007FFA79A90000-0x00007FFA7A434000-memory.dmp

          memory/2884-6-0x00007FFA79A90000-0x00007FFA7A434000-memory.dmp

          memory/2884-5-0x00007FFA79A90000-0x00007FFA7A434000-memory.dmp

          memory/2884-4-0x00007FFA79A90000-0x00007FFA7A434000-memory.dmp

          memory/2884-3-0x000001A8E8780000-0x000001A8E87A2000-memory.dmp

          memory/2884-2-0x00007FFA79A90000-0x00007FFA7A434000-memory.dmp

          memory/2884-1-0x000001A8CDFA0000-0x000001A8CE27E000-memory.dmp