Analysis
- max time kernel
300s - max time network
297s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
21/09/2026, 03:17
Static task
static1
Behavioral task
behavioral1
Sample
사무총장.vbe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
사무총장.vbe
Resource
win11ltsc2024-20260911-en
General
- Target 사무총장.vbe
- Size 26KB
- Sample260921-ds91eavt6j
- SHA256 a461688a86c5099c0a0692df8337e3e22e3c71ce2dae04f7218c34746ce04ddc
- MD5 2df23f82367d7b547fbe21092a6f7da1
- SHA1 f90a4e4a398999b2d8f13d4a012f5c70557f59b8
- SHA512 be9a018716eede4fdd81ce74f7021330cb34b883c09df145f4f97cd51b9e799a4f9bc1383db007c73a3ce58db7e2fb744f88bb42571d2bfe5dfec03e3df9b4da
- SSDEEP 768:tr+1QxkJ494ln5yYGhSrUPBo0HnubTJ3TFb0MGPKPtcgSSH0+:x0sAMmMFhSoPB9niNDCrcWfSH0+
- TLSH T132C249E0EE0062E3CFCBDA46ECC565638D7881BC551B1960FEEA164E909385C63BF64D
- MD5 SHA1 SHA512 SSDEEP TLSH
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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102.220.163.40:2404
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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-J652VL
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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
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 7 4436 powershell.exe 8 4436 powershell.exe - Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-696679853-3915825385-3233721679-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook backgroundtaskhost.exe Key enumerated \REGISTRY\USER\S-1-5-21-696679853-3915825385-3233721679-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook backgroundtaskhost.exe - 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.
flow ioc 1 drive.google.com 7 drive.google.com 11 drive.google.com - Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
pid Process 3380 WScript.exe - Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 400 backgroundtaskhost.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4436 powershell.exe 400 backgroundtaskhost.exe - 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.
pid Process 8 cmd.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language backgroundtaskhost.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4436 powershell.exe 4436 powershell.exe 4436 powershell.exe 4436 powershell.exe 4436 powershell.exe 4436 powershell.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4436 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4436 powershell.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3380 wrote to memory of 8 3380 WScript.exe 89 PID 8 wrote to memory of 6112 8 cmd.exe 91 PID 8 wrote to memory of 4436 8 cmd.exe 92 PID 4436 wrote to memory of 1828 4436 powershell.exe 93 PID 4436 wrote to memory of 400 4436 powershell.exe 94 PID 4436 wrote to memory of 400 4436 powershell.exe 94 PID 400 wrote to memory of 5048 400 backgroundtaskhost.exe 96 - outlook_office_path 1 IoCs
description ioc Process Key enumerated \REGISTRY\USER\S-1-5-21-696679853-3915825385-3233721679-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook backgroundtaskhost.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\사무총장.vbe"1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
PID:3380 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /v:on /c echo ^%Korthornet^% | !Produktionsprocessen19! -2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:8 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo %Korthornet% "3⤵PID:6112
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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
PID:4436 -
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵PID:1828
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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
PID:400 -
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"5⤵PID:5048
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