Analysis
- max time kernel
41s - max time network
50s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
04/07/2026, 19:58
General
- Target ebd064dc3e07cd37955b1a316b7e62b882a60c8f1a7be933c990f00a253eb2f1.exe
- Size 1.5MB
- Sample260704-yps8psds2v
- SHA256 ebd064dc3e07cd37955b1a316b7e62b882a60c8f1a7be933c990f00a253eb2f1
Malware Config
Extracted
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remcos
-
2.2.2 Pro
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chinemerem
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remcoss.onmypc.org:3765
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audio_folder
audio
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audio_path
%AppData%
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audio_record_time
5
-
connect_delay
0
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connect_interval
5
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copy_file
remcos.exe
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copy_folder
remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
true
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install_flag
false
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install_path
%AppData%
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keylog_crypt
true
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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keylog_path
%AppData%
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mouse_option
false
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mutex
r-8ET8H0
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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startup_value
remcos
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- 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.
- Executes dropped EXE 2 IoCs
- Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- AutoIT Executable 6 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 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 42 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Modifies registry class 14 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 12 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ebd064dc3e07cd37955b1a316b7e62b882a60c8f1a7be933c990f00a253eb2f1.exe"C:\Users\Admin\AppData\Local\Temp\ebd064dc3e07cd37955b1a316b7e62b882a60c8f1a7be933c990f00a253eb2f1.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ebd064dc3e07cd37955b1a316b7e62b882a60c8f1a7be933c990f00a253eb2f1.exe"C:\Users\Admin\AppData\Local\Temp\ebd064dc3e07cd37955b1a316b7e62b882a60c8f1a7be933c990f00a253eb2f1.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn SystemSettingsAdminFlows /tr "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe" /sc minute /mo 1 /F2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exeC:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"2⤵
- Executes dropped EXE
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn SystemSettingsAdminFlows /tr "C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe" /sc minute /mo 1 /F2⤵
- Scheduled Task/Job: Scheduled Task
-
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C:\Windows\system32\sihost.exesihost.exe1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
- 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
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
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C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"1⤵
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C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"C:\Users\Admin\AppData\Roaming\UIMgrBroker\AboutSettingsHandlers.exe"2⤵
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Active Setup
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Active Setup
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
prep_Activatable Class_Hermes_perf.cache
AboutSettingsHandlers.exe
logs.dat
memory/892-224-0x00000212AE6F0000-0x00000212AED81000-memory.dmp
memory/2736-187-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/2736-34-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/2736-32-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/2736-22-0x0000000000D80000-0x0000000000D83000-memory.dmp
memory/2808-101-0x000001B014710000-0x000001B014730000-memory.dmp
memory/2808-36-0x000001B0001E0000-0x000001B0002E0000-memory.dmp
memory/2808-68-0x000001B003EE0000-0x000001B003FE0000-memory.dmp
memory/2808-67-0x000001B003CD0000-0x000001B003CF0000-memory.dmp
memory/2808-78-0x000001B003E00000-0x000001B003E20000-memory.dmp
memory/3496-11-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/3496-10-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/3496-14-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/3496-3-0x00000000000C0000-0x00000000000E0000-memory.dmp
memory/4268-0-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/4268-19-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/4268-15-0x0000000000DE0000-0x0000000000F69000-memory.dmp
memory/4268-2-0x0000000000AF0000-0x0000000000AF1000-memory.dmp
memory/4268-1-0x00000000009B0000-0x00000000009B3000-memory.dmp
memory/5912-227-0x0000000000DE0000-0x0000000000F69000-memory.dmp