Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/10/2026, 11:20
Static task
static1
Behavioral task
behavioral1
Sample
PaymentInvoice.vbs
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
PaymentInvoice.vbs
Resource
win11ltsc2024-20260911-en
General
- Target PaymentInvoice.vbs
- Size 137KB
- Sample261028-nfph2sct9q
- SHA256 7a2b8b6bdc0b266567580eb9bfc0546067b1b774c6002b1bb455ec95dc979fb6
- MD5 73429fb8257d43eed37d0d3594e732a3
- SHA1 c0c06c7f9c437599a643f229dc4f740ec8d301c9
- SHA512 bebcf15df165f637728d85ff27123c72af6a73a1c0ca532f462409ae3341d7206fee51500d9d0bcb1e1575e3c54ba8d92583a8ab0738e4d47cf857738bee4d75
- SSDEEP 3072:W3I6E8xYNureC7nPcaSqX2gviFBkjc6EM:+I6LreCTuZgRcG
- TLSH T114D3E998D5E6D9378F490E59EF2E2F10E2B4611D2121E0BC95C83B9D320B958E67DB3C
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
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remcos
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RemoteHost
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102.220.161.195:2404
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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
-
mutex
Rmc-2M8UGW
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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
- Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/4388-50-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4080-52-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/5520-54-0x0000000000400000-0x0000000000482000-memory.dmp Nirsoft - NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/4080-52-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView - NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/5520-54-0x0000000000400000-0x0000000000482000-memory.dmp WebBrowserPassView - Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 7 4244 powershell.exe 8 4244 powershell.exe - Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts rmclient.exe - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook rmclient.exe Key enumerated \REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook rmclient.exe Key queried \REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook rmclient.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 10 drive.google.com - Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
pid Process 4276 WScript.exe - Suspicious use of NtCreateThreadExHideFromDebugger 1 TTPs 1 IoCs
pid Process 4116 backgroundtaskhost.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
pid Process 4244 powershell.exe 4116 backgroundtaskhost.exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4116 set thread context of 5520 4116 backgroundtaskhost.exe 98 PID 4116 set thread context of 4080 4116 backgroundtaskhost.exe 99 PID 4116 set thread context of 4388 4116 backgroundtaskhost.exe 100 - 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 4800 cmd.exe - 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.
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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rmclient.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rmclient.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rmclient.exe - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4244 powershell.exe 4244 powershell.exe 4244 powershell.exe 4244 powershell.exe 4244 powershell.exe 4244 powershell.exe 5520 rmclient.exe 5520 rmclient.exe 4388 rmclient.exe 4388 rmclient.exe 5520 rmclient.exe 5520 rmclient.exe - Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
pid Process 4244 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4244 powershell.exe Token: SeDebugPrivilege 4388 rmclient.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4116 backgroundtaskhost.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4276 wrote to memory of 4800 4276 WScript.exe 90 PID 4800 wrote to memory of 4564 4800 cmd.exe 92 PID 4800 wrote to memory of 4244 4800 cmd.exe 93 PID 4244 wrote to memory of 2080 4244 powershell.exe 94 PID 4244 wrote to memory of 4116 4244 powershell.exe 95 PID 4244 wrote to memory of 4116 4244 powershell.exe 95 PID 4116 wrote to memory of 4252 4116 backgroundtaskhost.exe 96 PID 4116 wrote to memory of 5520 4116 backgroundtaskhost.exe 98 PID 4116 wrote to memory of 4080 4116 backgroundtaskhost.exe 99 PID 4116 wrote to memory of 4388 4116 backgroundtaskhost.exe 100 - outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook rmclient.exe
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\PaymentInvoice.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
PID:4276 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /v:on /c echo ^%samstillingernes^% | !Beretten! -2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo %samstillingernes% "3⤵PID:4564
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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:4244 -
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵PID:2080
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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 use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4116 -
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"5⤵PID:4252
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C:\Windows\SysWOW64\rmclient.exe/stext "C:\Users\Admin\AppData\Local\Temp\xojbewjcpuskgwqouexyt"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:5520
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C:\Windows\SysWOW64\rmclient.exe/stext "C:\Users\Admin\AppData\Local\Temp\hixmfouwdckwjceslorswtbur"5⤵
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- outlook_office_path
PID:4080
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C:\Windows\SysWOW64\rmclient.exe/stext "C:\Users\Admin\AppData\Local\Temp\kkcfghexrkcbtjawuzethfwlsdhz"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4388
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\remcos\logs.dat
- Size 102B
- SHA256 ab3aa417777398312cc6eaf58b1b971e00f18d65f0089977af0a2c4fa0a60079
- MD5 fbf454e8a1acb60332e5b668246fe263
- SHA1 e04b26529f9a165c39177602d374f4cdda614cb9
- SHA512 22f43ba679cf75324d83c72781c677d560e45080ff6220500275510710574919ad28b4995597d1e3b51dc83f723cc2b3b029a5c355fbac5e7af3d32b5a6dd864
- TLSH T17CB0125E37D11005B8A0E17A94B30036387079F01038840C75D0034D297470130453DF
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\xojbewjcpuskgwqouexyt
- Size 2B
- SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
- MD5 f3b25701fe362ec84616a93a45ce9998
- SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
- SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
- MD5 SHA1 SHA512