formbook | 4fe0591d0c5bd1f27e2a384aa171139b371847c545e9eae6e7bc6269a954a58b

General

Target

8f6f20b9800cc3739e08c986979fe886.rtf
Size

27KB
MD5

8f6f20b9800cc3739e08c986979fe886
SHA1

945fc5d51604afd6e92c84fac68e336680d37abc
SHA256

4fe0591d0c5bd1f27e2a384aa171139b371847c545e9eae6e7bc6269a954a58b
SHA512

e5a31cf4eb09b45990de61527c98a3bb5726ce52bd9b103535bb347d18e60943b1d12d73f7aec23a6b214abb0cad952aec560ccb71064b131254018ecf646b71
SSDEEP

768:DHe6wuA/+TFngTG1tl2qGOQP0u2kPdU8S7C5G3fljgBQ/sp:DHOuA/+TFngC1u2kl7wm7p

Score

10^/10

formbook xchu rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

xchu

Decoy

zcartoons.com

castilloshowroom.com

3bmmdtod.life

misaxoxo.com

nadiya.online

sykkbup29.xyz

triciaaprimrosevp.com

newleter.com

ptzslk.xyz

lightbulbfestival.com

texaslandline.com

ideeintemporelle.com

girljustdoitpodcast.com

medimediamarketing.com

bunk7outfitters.com

charlievgrfminnick.click

lifestyleinthehome.com

atfbestsale.online

frontdoorproperties.co.uk

grandpaswag2024.info

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1140-87-0x0000000000400000-0x0000000001462000-memory.dmp	formbook
behavioral1/memory/1140-93-0x0000000000400000-0x0000000001462000-memory.dmp	formbook
behavioral1/memory/884-98-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/884-103-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 876 EQNEDT32.EXE
Downloads MZ/PE file

flow	pid	process
3	876	EQNEDT32.EXE

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

Processes:

clean_registry.execlean_registry.exe

description	ioc	process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	clean_registry.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	clean_registry.exe

Executes dropped EXE 1 IoCs

Processes:

clean_registry.exe

pid process

1996 clean_registry.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXEclean_registry.execlean_registry.exe

pid process

876 EQNEDT32.EXE
1996 clean_registry.exe
1996 clean_registry.exe
1140 clean_registry.exe
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

clean_registry.exe

pid process

1140 clean_registry.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

clean_registry.execlean_registry.exe

pid process

1996 clean_registry.exe
1140 clean_registry.exe

pid	process
1996	clean_registry.exe

pid	process
876	EQNEDT32.EXE
1996	clean_registry.exe
1996	clean_registry.exe
1140	clean_registry.exe

pid	process
1996	clean_registry.exe
1140	clean_registry.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

clean_registry.execlean_registry.exehelp.exe

description	pid	process	target process
PID 1996 set thread context of 1140	1996	clean_registry.exe	clean_registry.exe
PID 1140 set thread context of 1208	1140	clean_registry.exe	Explorer.EXE
PID 884 set thread context of 1208	884	help.exe	Explorer.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

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

NSIS installer 12 IoCs

installer

Processes:

resource	yara_rule
C:\Users\Public\clean_registry.exe	nsis_installer_1
C:\Users\Public\clean_registry.exe	nsis_installer_2
\Users\Public\clean_registry.exe	nsis_installer_1
\Users\Public\clean_registry.exe	nsis_installer_2
C:\Users\Public\clean_registry.exe	nsis_installer_1
C:\Users\Public\clean_registry.exe	nsis_installer_2
C:\Users\Public\clean_registry.exe	nsis_installer_1
C:\Users\Public\clean_registry.exe	nsis_installer_2
\Users\Public\clean_registry.exe	nsis_installer_1
\Users\Public\clean_registry.exe	nsis_installer_2
C:\Users\Public\clean_registry.exe	nsis_installer_1
C:\Users\Public\clean_registry.exe	nsis_installer_2

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

876 EQNEDT32.EXE

pid	process
876	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	WINWORD.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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	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 MHTML Editor\shell	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.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	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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	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\edit	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2024 WINWORD.EXE

pid	process
2024	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

clean_registry.exehelp.exe

pid	process
1140	clean_registry.exe
1140	clean_registry.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe
884	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

clean_registry.execlean_registry.exehelp.exe

pid process

1996 clean_registry.exe
1140 clean_registry.exe
1140 clean_registry.exe
1140 clean_registry.exe
884 help.exe
884 help.exe

pid	process
1208	Explorer.EXE

pid	process
1996	clean_registry.exe
1140	clean_registry.exe
1140	clean_registry.exe
1140	clean_registry.exe
884	help.exe
884	help.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

clean_registry.exehelp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1140	clean_registry.exe
Token: SeDebugPrivilege	884	help.exe
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2024 WINWORD.EXE
2024 WINWORD.EXE

pid	process
2024	WINWORD.EXE
2024	WINWORD.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEclean_registry.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 876 wrote to memory of 1996	876	EQNEDT32.EXE	clean_registry.exe
PID 876 wrote to memory of 1996	876	EQNEDT32.EXE	clean_registry.exe
PID 876 wrote to memory of 1996	876	EQNEDT32.EXE	clean_registry.exe
PID 876 wrote to memory of 1996	876	EQNEDT32.EXE	clean_registry.exe
PID 876 wrote to memory of 1996	876	EQNEDT32.EXE	clean_registry.exe
PID 876 wrote to memory of 1996	876	EQNEDT32.EXE	clean_registry.exe
PID 876 wrote to memory of 1996	876	EQNEDT32.EXE	clean_registry.exe
PID 2024 wrote to memory of 1440	2024	WINWORD.EXE	splwow64.exe
PID 2024 wrote to memory of 1440	2024	WINWORD.EXE	splwow64.exe
PID 2024 wrote to memory of 1440	2024	WINWORD.EXE	splwow64.exe
PID 2024 wrote to memory of 1440	2024	WINWORD.EXE	splwow64.exe
PID 1996 wrote to memory of 1140	1996	clean_registry.exe	clean_registry.exe
PID 1996 wrote to memory of 1140	1996	clean_registry.exe	clean_registry.exe
PID 1996 wrote to memory of 1140	1996	clean_registry.exe	clean_registry.exe
PID 1996 wrote to memory of 1140	1996	clean_registry.exe	clean_registry.exe
PID 1996 wrote to memory of 1140	1996	clean_registry.exe	clean_registry.exe
PID 1996 wrote to memory of 1140	1996	clean_registry.exe	clean_registry.exe
PID 1996 wrote to memory of 1140	1996	clean_registry.exe	clean_registry.exe
PID 1996 wrote to memory of 1140	1996	clean_registry.exe	clean_registry.exe
PID 1208 wrote to memory of 884	1208	Explorer.EXE	help.exe
PID 1208 wrote to memory of 884	1208	Explorer.EXE	help.exe
PID 1208 wrote to memory of 884	1208	Explorer.EXE	help.exe
PID 1208 wrote to memory of 884	1208	Explorer.EXE	help.exe
PID 884 wrote to memory of 692	884	help.exe	cmd.exe
PID 884 wrote to memory of 692	884	help.exe	cmd.exe
PID 884 wrote to memory of 692	884	help.exe	cmd.exe
PID 884 wrote to memory of 692	884	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1208

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\8f6f20b9800cc3739e08c986979fe886.rtf"
2⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:1440

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\clean_registry.exe"
3⤵
PID:692

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
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:876

C:\Users\Public\clean_registry.exe
"C:\Users\Public\clean_registry.exe"
2⤵
- Checks QEMU agent file
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1996

C:\Users\Public\clean_registry.exe
"C:\Users\Public\clean_registry.exe"
3⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1140

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
5e0884726fdc8b5cb9dfe2341f76f265

SHA1
138ea225f9cdb855fcbcb78cf4b04f8d2e7a4563

SHA256
a23eb3890288f6f6d68c23214f2d8221007a4134fc62ba74a7e1ce02581b52e8

SHA512
fb07e23ba0976452b6cccbfe3fd0df54e88ca06dc834b85d30be89ec20d9fbde3c21ec52daf92b3363c81a6aada4767042ab7a9868d02e9fc0ce17256c0d551f

Download Submit
C:\Users\Public\clean_registry.exe
Filesize
280KB

MD5
c6d2ae33edf3d67a0c2abe42836c2874

SHA1
c29bcdccea09e6f3ecdef77fac70d96c9d8acfa3

SHA256
4e1e5ed444f1dd3c1807df4b9e6c41e9e53556a80e7c28701ef6571bd081fac2

SHA512
444c4c45ec9d5f0d7202fd76a073c8387792a1500386c34b032d523e2a27a5a5a97b6c980c6d4e6a4980ebc6da9e4fd4b3db63021c254d7c89b0390dda8b6d5c

Download Submit
C:\Users\Public\clean_registry.exe
Filesize
280KB

MD5
c6d2ae33edf3d67a0c2abe42836c2874

SHA1
c29bcdccea09e6f3ecdef77fac70d96c9d8acfa3

SHA256
4e1e5ed444f1dd3c1807df4b9e6c41e9e53556a80e7c28701ef6571bd081fac2

SHA512
444c4c45ec9d5f0d7202fd76a073c8387792a1500386c34b032d523e2a27a5a5a97b6c980c6d4e6a4980ebc6da9e4fd4b3db63021c254d7c89b0390dda8b6d5c

Download Submit
C:\Users\Public\clean_registry.exe
Filesize
280KB

MD5
c6d2ae33edf3d67a0c2abe42836c2874

SHA1
c29bcdccea09e6f3ecdef77fac70d96c9d8acfa3

SHA256
4e1e5ed444f1dd3c1807df4b9e6c41e9e53556a80e7c28701ef6571bd081fac2

SHA512
444c4c45ec9d5f0d7202fd76a073c8387792a1500386c34b032d523e2a27a5a5a97b6c980c6d4e6a4980ebc6da9e4fd4b3db63021c254d7c89b0390dda8b6d5c

Download Submit
C:\Users\Public\clean_registry.exe
Filesize
280KB

MD5
c6d2ae33edf3d67a0c2abe42836c2874

SHA1
c29bcdccea09e6f3ecdef77fac70d96c9d8acfa3

SHA256
4e1e5ed444f1dd3c1807df4b9e6c41e9e53556a80e7c28701ef6571bd081fac2

SHA512
444c4c45ec9d5f0d7202fd76a073c8387792a1500386c34b032d523e2a27a5a5a97b6c980c6d4e6a4980ebc6da9e4fd4b3db63021c254d7c89b0390dda8b6d5c

Download Submit
\Users\Admin\AppData\Local\Temp\nsd538E.tmp\System.dll
Filesize
11KB

MD5
0063d48afe5a0cdc02833145667b6641

SHA1
e7eb614805d183ecb1127c62decb1a6be1b4f7a8

SHA256
ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7

SHA512
71cbbcaeb345e09306e368717ea0503fe8df485be2e95200febc61bcd8ba74fb4211cd263c232f148c0123f6c6f2e3fd4ea20bdecc4070f5208c35c6920240f0

Download Submit
\Users\Public\clean_registry.exe
Filesize
280KB

MD5
c6d2ae33edf3d67a0c2abe42836c2874

SHA1
c29bcdccea09e6f3ecdef77fac70d96c9d8acfa3

SHA256
4e1e5ed444f1dd3c1807df4b9e6c41e9e53556a80e7c28701ef6571bd081fac2

SHA512
444c4c45ec9d5f0d7202fd76a073c8387792a1500386c34b032d523e2a27a5a5a97b6c980c6d4e6a4980ebc6da9e4fd4b3db63021c254d7c89b0390dda8b6d5c

Download Submit
\Users\Public\clean_registry.exe
Filesize
280KB

MD5
c6d2ae33edf3d67a0c2abe42836c2874

SHA1
c29bcdccea09e6f3ecdef77fac70d96c9d8acfa3

SHA256
4e1e5ed444f1dd3c1807df4b9e6c41e9e53556a80e7c28701ef6571bd081fac2

SHA512
444c4c45ec9d5f0d7202fd76a073c8387792a1500386c34b032d523e2a27a5a5a97b6c980c6d4e6a4980ebc6da9e4fd4b3db63021c254d7c89b0390dda8b6d5c

Download Submit
memory/884-101-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download
memory/884-95-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/884-122-0x0000000000320000-0x00000000003B3000-memory.dmp

Filesize
588KB

Download
memory/884-103-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/884-98-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/884-97-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/1140-91-0x0000000036890000-0x00000000368A4000-memory.dmp

Filesize
80KB

Download
memory/1140-93-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1140-84-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1140-89-0x0000000036BE0000-0x0000000036EE3000-memory.dmp

Filesize
3.0MB

Download
memory/1140-88-0x0000000001470000-0x00000000068D4000-memory.dmp

Filesize
84.4MB

Download
memory/1140-96-0x0000000001470000-0x00000000068D4000-memory.dmp

Filesize
84.4MB

Download
memory/1140-87-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1140-83-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1140-85-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1208-124-0x0000000004AB0000-0x0000000004B52000-memory.dmp

Filesize
648KB

Download
memory/1208-92-0x0000000003D50000-0x0000000003E14000-memory.dmp

Filesize
784KB

Download
memory/1208-127-0x0000000004AB0000-0x0000000004B52000-memory.dmp

Filesize
648KB

Download
memory/1208-123-0x0000000004AB0000-0x0000000004B52000-memory.dmp

Filesize
648KB

Download
memory/2024-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2024-121-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads