Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/10/2026, 07:31
General
- Target HR_Update_Performance_Clearance_Oct2026.vbs
- Size 83KB
- Sample261030-jckcpsav4v
- SHA256 febe6b21ecf3527b1e9f10b4a5d3df40757f85ace131e3464847a4abcf7a881f
Malware Config
Extracted
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remcos
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RemoteHost
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102.220.160.176:2404
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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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
false
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install_flag
false
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keylog_crypt
false
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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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mouse_option
false
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mutex
Rmc-LFAJY0
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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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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.
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\HR_Update_Performance_Clearance_Oct2026.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /v:on /c echo ^%Rehappen^% | !Konstituentmodellens! -2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo %Rehappen% "3⤵
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\??\c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe"c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" -3⤵
- Badlisted process makes network request
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
- outlook_office_path
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"5⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3308-0-0x0000000074942000-0x0000000074943000-memory.dmp
memory/3308-1-0x00000000023A0000-0x00000000023D6000-memory.dmp
memory/3308-2-0x0000000004F80000-0x00000000055CA000-memory.dmp
memory/3308-3-0x0000000074930000-0x00000000750EC000-memory.dmp
memory/3308-4-0x0000000074930000-0x00000000750EC000-memory.dmp
memory/3308-5-0x0000000004E30000-0x0000000004E52000-memory.dmp
memory/3308-6-0x0000000005640000-0x00000000056A6000-memory.dmp
memory/3308-7-0x00000000056B0000-0x0000000005716000-memory.dmp
memory/3308-10-0x0000000005720000-0x0000000005A7B000-memory.dmp
memory/3308-11-0x0000000005C00000-0x0000000005C1E000-memory.dmp
memory/3308-12-0x0000000005C20000-0x0000000005C6C000-memory.dmp
memory/3308-13-0x0000000006DE0000-0x0000000006E28000-memory.dmp
memory/3308-14-0x00000000075B0000-0x0000000007C2C000-memory.dmp
memory/3308-15-0x0000000006F80000-0x0000000006F9A000-memory.dmp
memory/3308-16-0x0000000074930000-0x00000000750EC000-memory.dmp
memory/3308-17-0x0000000007170000-0x0000000007206000-memory.dmp
memory/3308-18-0x00000000070C0000-0x00000000070E2000-memory.dmp
memory/3308-19-0x00000000081F0000-0x00000000087AA000-memory.dmp
memory/3308-20-0x0000000074942000-0x0000000074943000-memory.dmp
memory/3308-21-0x0000000074930000-0x00000000750EC000-memory.dmp
memory/3308-22-0x0000000074930000-0x00000000750EC000-memory.dmp
memory/3308-23-0x0000000074930000-0x00000000750EC000-memory.dmp
memory/3308-24-0x0000000074930000-0x00000000750EC000-memory.dmp
memory/3308-25-0x00000000087B0000-0x000000000E102000-memory.dmp
memory/3308-26-0x0000000074930000-0x00000000750EC000-memory.dmp
memory/3308-27-0x0000000074930000-0x00000000750EC000-memory.dmp
memory/3308-29-0x0000000074930000-0x00000000750EC000-memory.dmp
memory/3308-30-0x0000000074930000-0x00000000750EC000-memory.dmp
memory/3688-45-0x00000000010A0000-0x0000000002386000-memory.dmp
memory/3688-50-0x000000001F1C0000-0x000000001F2B7000-memory.dmp
memory/3688-53-0x000000001F1C0000-0x000000001F2B7000-memory.dmp
memory/3688-54-0x000000001F1C0000-0x000000001F2B7000-memory.dmp
memory/3688-55-0x00000000010A0000-0x0000000002386000-memory.dmp
memory/3688-56-0x00000000010A0000-0x0000000002386000-memory.dmp
memory/3688-57-0x00000000010A0000-0x0000000002386000-memory.dmp
memory/3688-58-0x00000000010A0000-0x0000000002386000-memory.dmp
memory/3688-59-0x00000000010A0000-0x0000000002386000-memory.dmp
memory/3688-60-0x00000000010A0000-0x0000000002386000-memory.dmp
memory/3688-61-0x00000000010A0000-0x0000000002386000-memory.dmp
memory/3688-62-0x00000000010A0000-0x0000000002386000-memory.dmp
memory/3688-63-0x00000000010A0000-0x0000000002386000-memory.dmp
memory/3688-64-0x00000000010A0000-0x0000000002386000-memory.dmp