Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
11/09/2026, 10:25
Static task
static1
Behavioral task
behavioral1
Sample
R26-MEO76.vbs
Resource
win10v2004-20260513-en
General
- Target R26-MEO76.vbs
- Size 17KB
- Sample260911-mf51csscpd
- SHA256 28720d5dc0526634f798737028d4aac3726f047d904f8d46c3fb75e757a7e6bb
- MD5 0596fe4f29518c06edf90887b297344d
- SHA1 75089b32959f993e70d3546f5ae8776b7b3a28b0
- SHA512 c2cd2b0a2de0030464b302a57c707f75690f154498bd58f997445fcb5ad0881b250d0a61377ee9aac0ef126927703ce534669ab78f61b23220e9e31a90243910
- SSDEEP 384:wzdTyHzpHzQ1x8XchzPqmxv2bKtsrDph6mhYuJU4BBHRKk9n1VV:sTyHVTieXcwm87rFh6IDU4bAYn1VV
- TLSH T19372E8ADDA1714258A4F18F3D89D1176CCA611EB26321834BE7CF27C0C65788276CBAF
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
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remcos
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RemoteHost
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130.12.182.216:2404
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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-VP3NOW
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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: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/796-51-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/1640-54-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/1820-50-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft - NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/796-51-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView - NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/1820-50-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView - Badlisted process makes network request 3 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 4 2784 WScript.exe 15 3740 powershell.exe 17 3740 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Control Panel\International\Geo\Nation WScript.exe - Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts backgroundtaskhost.exe - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook backgroundtaskhost.exe Key enumerated \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook backgroundtaskhost.exe Key queried \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\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 14 drive.google.com 15 drive.google.com 24 drive.google.com - Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
pid Process 2784 WScript.exe - Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 1916 backgroundtaskhost.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3740 powershell.exe 1916 backgroundtaskhost.exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1916 set thread context of 1820 1916 backgroundtaskhost.exe 97 PID 1916 set thread context of 796 1916 backgroundtaskhost.exe 98 PID 1916 set thread context of 1640 1916 backgroundtaskhost.exe 99 - 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 4372 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 backgroundtaskhost.exe 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 backgroundtaskhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language backgroundtaskhost.exe - Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 3740 powershell.exe 3740 powershell.exe 3740 powershell.exe 3740 powershell.exe 3740 powershell.exe 3740 powershell.exe 3740 powershell.exe 1640 backgroundtaskhost.exe 1640 backgroundtaskhost.exe 1820 backgroundtaskhost.exe 1820 backgroundtaskhost.exe 1820 backgroundtaskhost.exe 1820 backgroundtaskhost.exe - Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 3740 powershell.exe 1916 backgroundtaskhost.exe 1916 backgroundtaskhost.exe 1916 backgroundtaskhost.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3740 powershell.exe Token: SeDebugPrivilege 1640 backgroundtaskhost.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2784 wrote to memory of 4372 2784 WScript.exe 85 PID 4372 wrote to memory of 5012 4372 cmd.exe 87 PID 4372 wrote to memory of 3740 4372 cmd.exe 88 PID 3740 wrote to memory of 1788 3740 powershell.exe 92 PID 3740 wrote to memory of 1916 3740 powershell.exe 93 PID 3740 wrote to memory of 1916 3740 powershell.exe 93 PID 1916 wrote to memory of 776 1916 backgroundtaskhost.exe 95 PID 1916 wrote to memory of 1820 1916 backgroundtaskhost.exe 97 PID 1916 wrote to memory of 796 1916 backgroundtaskhost.exe 98 PID 1916 wrote to memory of 1640 1916 backgroundtaskhost.exe 99 - outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\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\R26-MEO76.vbs"1⤵
- Badlisted process makes network request
- Checks computer location settings
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /v:on /c echo ^%Mediate^% | !Restsaldoer137! -2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo %Mediate% "3⤵PID:5012
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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:3740 -
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵PID:1788
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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
PID:1916 -
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"5⤵PID:776
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C:\Windows\SysWOW64\backgroundtaskhost.exeC:\Windows\System32\backgroundtaskhost.exe /stext "C:\Users\Admin\AppData\Local\Temp\ybzwvkcirgjaszfxqzymqyxiqdikvy"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1820
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C:\Windows\SysWOW64\backgroundtaskhost.exeC:\Windows\System32\backgroundtaskhost.exe /stext "C:\Users\Admin\AppData\Local\Temp\ivegwcnbfobfuftbzjtnbcszzsatwjvzp"5⤵
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- outlook_office_path
PID:796
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C:\Windows\SysWOW64\backgroundtaskhost.exeC:\Windows\System32\backgroundtaskhost.exe /stext "C:\Users\Admin\AppData\Local\Temp\lxkzw"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1640
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vrimvcvs.05t.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\ybzwvkcirgjaszfxqzymqyxiqdikvy
- Size 4KB
- SHA256 b5c20538b491064821c2122b3fa0e0a1f083bbccd3ad5836ca8f3685ae8ef32d
- MD5 49c1239cc43e540b5b1b3b1e455ee2e0
- SHA1 3ac9b27b0d5ee072581c6f5d71ae01360b36fbc9
- SHA512 60520de386282eef62a5b8d00418823fd29466677ce7dd19b764804e3bf5e9969b927fec29a7e2300b5b657b42691b35398af047168cd8777a65073f8cbf9a03
- SSDEEP 48:wvvv02xfvvc2xfdvv02xBvv02xakvv027:mvrxvDp1vrPvrbvr7
- TLSH T1BC916A0712E90448F0B2BA46D97721B65BB338199CBC815C61ECA3D90BE7910DAE37D7
- MD5 SHA1 SHA512 SSDEEP TLSH