Analysis
- max time kernel
149s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
09/11/2026, 10:24
General
- Target Revised PO.vbs
- Size 98KB
- Sample261109-mfkdnaef37
- SHA256 1fdfba1127c33717cc26b749870bdace0567c15c14108bfd7080539199ff25cb
Malware Config
Extracted
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remcos
-
6.0.0 Pro
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RemoteHost
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102.220.162.152:2404
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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
-
keylog_folder
remcos
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mouse_option
false
-
mutex
Rmc-UJWDWI
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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.
- Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
- NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 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
- Suspicious use of SetThreadContext 3 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 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 13 IoCs
- Suspicious behavior: MapViewOfSection 1 TTPs 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 10 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\Revised PO.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" /q /v:on /c echo ^%Blankverss^% | !Legaliserer178! -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 %Blankverss% "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⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"5⤵
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C:\Windows\SysWOW64\backgroundtaskhost.exeC:\Windows\System32\backgroundtaskhost.exe /stext "C:\Users\Admin\AppData\Local\Temp\cqqbgvcdofkzodbkuoemoqbaskuxoqxbzy"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
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C:\Windows\SysWOW64\backgroundtaskhost.exeC:\Windows\System32\backgroundtaskhost.exe /stext "C:\Users\Admin\AppData\Local\Temp\mkvuhn"5⤵
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- outlook_office_path
-
-
C:\Windows\SysWOW64\backgroundtaskhost.exeC:\Windows\System32\backgroundtaskhost.exe /stext "C:\Users\Admin\AppData\Local\Temp\wnjmigyyqv"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
cqqbgvcdofkzodbkuoemoqbaskuxoqxbzy
memory/2132-55-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2132-54-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2132-49-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3304-67-0x0000000000A50000-0x0000000001D36000-memory.dmp
memory/3304-62-0x000000001E880000-0x000000001E899000-memory.dmp
memory/3304-66-0x0000000000A50000-0x0000000001D36000-memory.dmp
memory/3304-65-0x0000000000A50000-0x0000000001D36000-memory.dmp
memory/3304-64-0x0000000000A50000-0x0000000001D36000-memory.dmp
memory/3304-63-0x0000000000A50000-0x0000000001D36000-memory.dmp
memory/3304-61-0x000000001E880000-0x000000001E899000-memory.dmp
memory/3304-41-0x0000000000A50000-0x0000000001D36000-memory.dmp
memory/3304-58-0x000000001E880000-0x000000001E899000-memory.dmp
memory/3304-68-0x0000000000A50000-0x0000000001D36000-memory.dmp
memory/3304-71-0x0000000000A50000-0x0000000001D36000-memory.dmp
memory/3304-69-0x0000000000A50000-0x0000000001D36000-memory.dmp
memory/3304-70-0x0000000000A50000-0x0000000001D36000-memory.dmp
memory/3308-53-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3308-50-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3308-46-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4568-14-0x0000000007830000-0x0000000007EAC000-memory.dmp
memory/4568-6-0x0000000005730000-0x0000000005796000-memory.dmp
memory/4568-24-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/4568-25-0x0000000008A30000-0x000000000E610000-memory.dmp
memory/4568-27-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/4568-28-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/4568-22-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/4568-1-0x0000000002590000-0x00000000025C6000-memory.dmp
memory/4568-3-0x00000000050E0000-0x000000000572A000-memory.dmp
memory/4568-21-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/4568-20-0x0000000074CF2000-0x0000000074CF3000-memory.dmp
memory/4568-19-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/4568-18-0x0000000008470000-0x0000000008A2A000-memory.dmp
memory/4568-17-0x00000000072E0000-0x0000000007302000-memory.dmp
memory/4568-2-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/4568-16-0x0000000007330000-0x00000000073C6000-memory.dmp
memory/4568-15-0x0000000007200000-0x000000000721A000-memory.dmp
memory/4568-0-0x0000000074CF2000-0x0000000074CF3000-memory.dmp
memory/4568-13-0x0000000006380000-0x00000000063C8000-memory.dmp
memory/4568-12-0x0000000005DF0000-0x0000000005E3C000-memory.dmp
memory/4568-11-0x0000000005DC0000-0x0000000005DDE000-memory.dmp
memory/4568-10-0x00000000058C0000-0x0000000005C1B000-memory.dmp
memory/4568-23-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/4568-7-0x0000000005810000-0x0000000005876000-memory.dmp
memory/4568-5-0x0000000005000000-0x0000000005022000-memory.dmp
memory/4568-4-0x0000000074CE0000-0x000000007549C000-memory.dmp
memory/5940-48-0x0000000000400000-0x0000000000478000-memory.dmp
memory/5940-47-0x0000000000400000-0x0000000000478000-memory.dmp
memory/5940-45-0x0000000000400000-0x0000000000478000-memory.dmp