Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/10/2026, 05:45
General
- Target Bioclimatologies.vbs
- Size 83KB
- Sample261030-gfx2vswtas
- SHA256 5e002592660e4f81cbbc369c59bdeef59f75a0ada044178417f99197c14521af
Malware Config
Extracted
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remcos
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7.3.1 Pro
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RemoteHost1
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130.12.182.29:2404
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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-GLASEN
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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 3 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.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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 SetWindowsHookEx 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\Bioclimatologies.vbs"1⤵
- Badlisted process makes network request
- Executes a VBScript file via the Windows Script Host.
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /v:on /c echo ^%Svejsbarere240^% | !undervisningspligterne! -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 %Svejsbarere240% "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 SetWindowsHookEx
- 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
Loading Replay Monitor...
Downloads
logs.dat
__PSScriptPolicyTest_uwlgumbz.krw.ps1
memory/4916-69-0x0000000000C00000-0x0000000001EE6000-memory.dmp
memory/4916-66-0x0000000000C00000-0x0000000001EE6000-memory.dmp
memory/4916-78-0x0000000000C00000-0x0000000001EE6000-memory.dmp
memory/4916-75-0x0000000000C00000-0x0000000001EE6000-memory.dmp
memory/4916-72-0x0000000000C00000-0x0000000001EE6000-memory.dmp
memory/4916-84-0x0000000000C00000-0x0000000001EE6000-memory.dmp
memory/4916-47-0x0000000000C00000-0x0000000001EE6000-memory.dmp
memory/4916-81-0x0000000000C00000-0x0000000001EE6000-memory.dmp
memory/4916-63-0x0000000000C00000-0x0000000001EE6000-memory.dmp
memory/4916-87-0x0000000000C00000-0x0000000001EE6000-memory.dmp
memory/4916-60-0x0000000000C00000-0x0000000001EE6000-memory.dmp
memory/4916-57-0x0000000000C00000-0x0000000001EE6000-memory.dmp
memory/4916-56-0x000000001EEF0000-0x000000001EFE7000-memory.dmp
memory/4916-55-0x000000001EEF0000-0x000000001EFE7000-memory.dmp
memory/4916-52-0x000000001EEF0000-0x000000001EFE7000-memory.dmp
memory/5576-19-0x0000000006830000-0x000000000687C000-memory.dmp
memory/5576-22-0x0000000007B80000-0x0000000007B9A000-memory.dmp
memory/5576-28-0x0000000074A90000-0x000000007524C000-memory.dmp
memory/5576-29-0x0000000074A90000-0x000000007524C000-memory.dmp
memory/5576-30-0x0000000074A90000-0x000000007524C000-memory.dmp
memory/5576-32-0x0000000074A90000-0x000000007524C000-memory.dmp
memory/5576-31-0x00000000093B0000-0x000000000B045000-memory.dmp
memory/5576-33-0x0000000074A90000-0x000000007524C000-memory.dmp
memory/5576-34-0x0000000074A90000-0x000000007524C000-memory.dmp
memory/5576-26-0x0000000008DF0000-0x00000000093AA000-memory.dmp
memory/5576-25-0x0000000007CB0000-0x0000000007CD2000-memory.dmp
memory/5576-24-0x0000000007D50000-0x0000000007DE6000-memory.dmp
memory/5576-23-0x0000000074A90000-0x000000007524C000-memory.dmp
memory/5576-27-0x0000000074AA2000-0x0000000074AA3000-memory.dmp
memory/5576-21-0x00000000081B0000-0x000000000882C000-memory.dmp
memory/5576-20-0x0000000007960000-0x00000000079A8000-memory.dmp
memory/5576-4-0x0000000074AA2000-0x0000000074AA3000-memory.dmp
memory/5576-18-0x00000000067F0000-0x000000000680E000-memory.dmp
memory/5576-16-0x00000000062F0000-0x000000000664B000-memory.dmp
memory/5576-10-0x0000000006280000-0x00000000062E6000-memory.dmp
memory/5576-9-0x0000000006210000-0x0000000006276000-memory.dmp
memory/5576-8-0x00000000059F0000-0x0000000005A12000-memory.dmp
memory/5576-7-0x0000000005A20000-0x000000000606A000-memory.dmp
memory/5576-6-0x0000000074A90000-0x000000007524C000-memory.dmp
memory/5576-5-0x0000000002F90000-0x0000000002FC6000-memory.dmp