Analysis
- max time kernel
149s - max time network
141s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
28/10/2026, 01:27
General
- Target Inquiry_for_Quotation_견적문의.vbs
- Size 121KB
- Sample261028-bvg2ashz2j
- SHA256 594c7c4c02a4362974d4137cdb56174ee9e4a9735ef55de2f4343eb21e2a8ffe
Malware Config
Extracted
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remcos
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7.3.1 Pro
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RemoteHost
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102.220.161.52:2404
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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-0OTQJD
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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\Inquiry_for_Quotation_견적문의.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 ^%Solodanseres^% | !nestorian! -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 %Solodanseres% "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/3320-43-0x0000000000A60000-0x0000000001D46000-memory.dmp
memory/3320-63-0x0000000000A60000-0x0000000001D46000-memory.dmp
memory/3320-62-0x0000000000A60000-0x0000000001D46000-memory.dmp
memory/3320-61-0x0000000000A60000-0x0000000001D46000-memory.dmp
memory/3320-60-0x0000000000A60000-0x0000000001D46000-memory.dmp
memory/3320-59-0x0000000000A60000-0x0000000001D46000-memory.dmp
memory/3320-58-0x0000000000A60000-0x0000000001D46000-memory.dmp
memory/3320-57-0x0000000000A60000-0x0000000001D46000-memory.dmp
memory/3320-56-0x0000000000A60000-0x0000000001D46000-memory.dmp
memory/3320-55-0x0000000000A60000-0x0000000001D46000-memory.dmp
memory/3320-54-0x0000000000A60000-0x0000000001D46000-memory.dmp
memory/3320-53-0x0000000000A60000-0x0000000001D46000-memory.dmp
memory/3320-51-0x000000001EBB0000-0x000000001ECA7000-memory.dmp
memory/3320-52-0x000000001EBB0000-0x000000001ECA7000-memory.dmp
memory/3320-48-0x000000001EBB0000-0x000000001ECA7000-memory.dmp
memory/4504-12-0x0000000007770000-0x00000000077B8000-memory.dmp
memory/4504-15-0x0000000007A70000-0x0000000007B06000-memory.dmp
memory/4504-19-0x0000000075032000-0x0000000075033000-memory.dmp
memory/4504-20-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4504-21-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4504-22-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4504-23-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4504-24-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4504-25-0x0000000009140000-0x000000000B733000-memory.dmp
memory/4504-27-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4504-28-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4504-17-0x0000000008B80000-0x000000000913A000-memory.dmp
memory/4504-16-0x0000000007A10000-0x0000000007A32000-memory.dmp
memory/4504-18-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4504-14-0x0000000007910000-0x000000000792A000-memory.dmp
memory/4504-13-0x0000000007F40000-0x00000000085BC000-memory.dmp
memory/4504-0-0x0000000075032000-0x0000000075033000-memory.dmp
memory/4504-10-0x0000000006590000-0x00000000065AE000-memory.dmp
memory/4504-11-0x00000000065C0000-0x000000000660C000-memory.dmp
memory/4504-9-0x00000000060D0000-0x000000000642B000-memory.dmp
memory/4504-5-0x0000000005860000-0x00000000058C6000-memory.dmp
memory/4504-6-0x0000000006060000-0x00000000060C6000-memory.dmp
memory/4504-4-0x00000000057C0000-0x00000000057E2000-memory.dmp
memory/4504-3-0x0000000005920000-0x0000000005F6A000-memory.dmp
memory/4504-2-0x0000000075020000-0x00000000757DC000-memory.dmp
memory/4504-1-0x00000000051E0000-0x0000000005216000-memory.dmp