formbook | 061eab00aca9bb4dc4a164c23f0ec24b805eaff6bd597b45601bde2958744ca3

Analysis

max time kernel
150s
max time network
143s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
08-06-2023 04:39

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General

Target

e230816a29bb8af0b5f24adfbe5eff62.rtf
Size

25KB
MD5

e230816a29bb8af0b5f24adfbe5eff62
SHA1

841fb495cc824fb043d1be3f033326294745dfff
SHA256

061eab00aca9bb4dc4a164c23f0ec24b805eaff6bd597b45601bde2958744ca3
SHA512

8af309043b6af0b9bae704071b643b9df4cd681e855a897cad25f0dff3113fae0a97810283bc16b0988280f47307f51c5f5669288ee5f07f8a56c63f4d52dca7
SSDEEP

768:XJnxqg/d7sWctQS0vZJ7UtnZlo2QLdWX2tibZqSA0:1xJ7sWcEf7gnc7QX3/A0

Score

10^/10

formbook guloader xchu downloader 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
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1256-96-0x0000000000400000-0x0000000001462000-memory.dmp	formbook
behavioral1/memory/1256-105-0x0000000000400000-0x0000000001462000-memory.dmp	formbook
behavioral1/memory/2032-107-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/2032-109-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 956 EQNEDT32.EXE
Downloads MZ/PE file

flow	pid	process
3	956	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:

registry_clean.exeregistry_clean.exe

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

Executes dropped EXE 1 IoCs

Processes:

registry_clean.exe

pid process

668 registry_clean.exe
Loads dropped DLL 6 IoCs

Processes:

EQNEDT32.EXEregistry_clean.exeregistry_clean.exe

pid process

956 EQNEDT32.EXE
956 EQNEDT32.EXE
956 EQNEDT32.EXE
956 EQNEDT32.EXE
668 registry_clean.exe
1256 registry_clean.exe
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

registry_clean.exe

pid process

1256 registry_clean.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

registry_clean.exeregistry_clean.exe

pid process

668 registry_clean.exe
1256 registry_clean.exe

pid	process
668	registry_clean.exe

pid	process
956	EQNEDT32.EXE
956	EQNEDT32.EXE
956	EQNEDT32.EXE
956	EQNEDT32.EXE
668	registry_clean.exe
1256	registry_clean.exe

pid	process
668	registry_clean.exe
1256	registry_clean.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

registry_clean.exeregistry_clean.execontrol.exe

description	pid	process	target process
PID 668 set thread context of 1256	668	registry_clean.exe	registry_clean.exe
PID 1256 set thread context of 1216	1256	registry_clean.exe	Explorer.EXE
PID 2032 set thread context of 1216	2032	control.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 16 IoCs

installer

Processes:

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

956 EQNEDT32.EXE

pid	process
956	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	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	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\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\shell	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 (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	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt	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\edit	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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
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\command	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.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	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 (int)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\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\COMMAND	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	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}\Version\14\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile	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\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\DefaultIcon\ = "\"%1\""	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\.htm\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\.mht\OpenWithList\MSPub.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	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\MSPub.exe\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile	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\ddeexec	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	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\.htm\OpenWithList\WinWord.exe\shell\edit	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 deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	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\.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\Wow6432Node\CLSID	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 deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	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\.mht\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\ = "&Edit"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	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\.htm\OpenWithList	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1696 WINWORD.EXE

pid	process
1696	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

registry_clean.execontrol.exe

pid	process
1256	registry_clean.exe
1256	registry_clean.exe
2032	control.exe
2032	control.exe
2032	control.exe
2032	control.exe
2032	control.exe
2032	control.exe
2032	control.exe
2032	control.exe
2032	control.exe
2032	control.exe
2032	control.exe
2032	control.exe
2032	control.exe
2032	control.exe
2032	control.exe
2032	control.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1216 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

registry_clean.exeregistry_clean.execontrol.exe

pid process

668 registry_clean.exe
1256 registry_clean.exe
1256 registry_clean.exe
1256 registry_clean.exe
2032 control.exe
2032 control.exe

pid	process
1216	Explorer.EXE

pid	process
668	registry_clean.exe
1256	registry_clean.exe
1256	registry_clean.exe
1256	registry_clean.exe
2032	control.exe
2032	control.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

registry_clean.exeExplorer.EXEcontrol.exe

description	pid	process
Token: SeDebugPrivilege	1256	registry_clean.exe
Token: SeShutdownPrivilege	1216	Explorer.EXE
Token: SeDebugPrivilege	2032	control.exe
Token: SeShutdownPrivilege	1216	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1696 WINWORD.EXE
1696 WINWORD.EXE

pid	process
1696	WINWORD.EXE
1696	WINWORD.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EQNEDT32.EXEregistry_clean.exeWINWORD.EXEExplorer.EXEcontrol.exe

description	pid	process	target process
PID 956 wrote to memory of 668	956	EQNEDT32.EXE	registry_clean.exe
PID 956 wrote to memory of 668	956	EQNEDT32.EXE	registry_clean.exe
PID 956 wrote to memory of 668	956	EQNEDT32.EXE	registry_clean.exe
PID 956 wrote to memory of 668	956	EQNEDT32.EXE	registry_clean.exe
PID 668 wrote to memory of 1256	668	registry_clean.exe	registry_clean.exe
PID 668 wrote to memory of 1256	668	registry_clean.exe	registry_clean.exe
PID 668 wrote to memory of 1256	668	registry_clean.exe	registry_clean.exe
PID 668 wrote to memory of 1256	668	registry_clean.exe	registry_clean.exe
PID 668 wrote to memory of 1256	668	registry_clean.exe	registry_clean.exe
PID 1696 wrote to memory of 1752	1696	WINWORD.EXE	splwow64.exe
PID 1696 wrote to memory of 1752	1696	WINWORD.EXE	splwow64.exe
PID 1696 wrote to memory of 1752	1696	WINWORD.EXE	splwow64.exe
PID 1696 wrote to memory of 1752	1696	WINWORD.EXE	splwow64.exe
PID 1216 wrote to memory of 2032	1216	Explorer.EXE	control.exe
PID 1216 wrote to memory of 2032	1216	Explorer.EXE	control.exe
PID 1216 wrote to memory of 2032	1216	Explorer.EXE	control.exe
PID 1216 wrote to memory of 2032	1216	Explorer.EXE	control.exe
PID 2032 wrote to memory of 1108	2032	control.exe	cmd.exe
PID 2032 wrote to memory of 1108	2032	control.exe	cmd.exe
PID 2032 wrote to memory of 1108	2032	control.exe	cmd.exe
PID 2032 wrote to memory of 1108	2032	control.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1216

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\e230816a29bb8af0b5f24adfbe5eff62.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:1696

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:1752

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\registry_clean.exe"
3⤵
PID:1108

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:956

C:\Users\Public\registry_clean.exe
"C:\Users\Public\registry_clean.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:668

C:\Users\Public\registry_clean.exe
"C:\Users\Public\registry_clean.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:1256

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

MD5
181bdc4b6cce3d69083ccb4c7a9c80e4

SHA1
cc546ec2fd8d23308b077242c2310532a54b89f5

SHA256
6ac79053493a9e899e6293d0d990c400e6f68fdf3bc54d608b76c030d5a51fe0

SHA512
e89fa9415ab2039104f34436e4b898885d44d56c8c37fcfcdb0a18ee46d33c392459c03a83f8ac12e3503c4ced2367fc587c5e58e6917f2bf5238eedaa735463

Download Submit
C:\Users\Public\registry_clean.exe
Filesize
371KB

MD5
bb82589608f2312e9bf9d0c63c8a3d68

SHA1
c66d15184ef9a38a7423f1a6fbc60c94132051f9

SHA256
3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f

SHA512
c839f9653e021cd06deaa1b529506596598473f8e62347a5a01e88a09fdf6316a17e5cad8502646fc40db955505c44082ba5ed1e62bd2ce8e8bf8daa1dcecb3a

Download Submit
C:\Users\Public\registry_clean.exe
Filesize
371KB

MD5
bb82589608f2312e9bf9d0c63c8a3d68

SHA1
c66d15184ef9a38a7423f1a6fbc60c94132051f9

SHA256
3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f

SHA512
c839f9653e021cd06deaa1b529506596598473f8e62347a5a01e88a09fdf6316a17e5cad8502646fc40db955505c44082ba5ed1e62bd2ce8e8bf8daa1dcecb3a

Download Submit
C:\Users\Public\registry_clean.exe
Filesize
371KB

MD5
bb82589608f2312e9bf9d0c63c8a3d68

SHA1
c66d15184ef9a38a7423f1a6fbc60c94132051f9

SHA256
3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f

SHA512
c839f9653e021cd06deaa1b529506596598473f8e62347a5a01e88a09fdf6316a17e5cad8502646fc40db955505c44082ba5ed1e62bd2ce8e8bf8daa1dcecb3a

Download Submit
C:\Users\Public\registry_clean.exe
Filesize
371KB

MD5
bb82589608f2312e9bf9d0c63c8a3d68

SHA1
c66d15184ef9a38a7423f1a6fbc60c94132051f9

SHA256
3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f

SHA512
c839f9653e021cd06deaa1b529506596598473f8e62347a5a01e88a09fdf6316a17e5cad8502646fc40db955505c44082ba5ed1e62bd2ce8e8bf8daa1dcecb3a

Download Submit
\Users\Admin\AppData\Local\Temp\nsy3BF9.tmp\System.dll
Filesize
11KB

MD5
0063d48afe5a0cdc02833145667b6641

SHA1
e7eb614805d183ecb1127c62decb1a6be1b4f7a8

SHA256
ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7

SHA512
71cbbcaeb345e09306e368717ea0503fe8df485be2e95200febc61bcd8ba74fb4211cd263c232f148c0123f6c6f2e3fd4ea20bdecc4070f5208c35c6920240f0

Download Submit
\Users\Public\registry_clean.exe
Filesize
371KB

MD5
bb82589608f2312e9bf9d0c63c8a3d68

SHA1
c66d15184ef9a38a7423f1a6fbc60c94132051f9

SHA256
3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f

SHA512
c839f9653e021cd06deaa1b529506596598473f8e62347a5a01e88a09fdf6316a17e5cad8502646fc40db955505c44082ba5ed1e62bd2ce8e8bf8daa1dcecb3a

Download Submit
\Users\Public\registry_clean.exe
Filesize
371KB

MD5
bb82589608f2312e9bf9d0c63c8a3d68

SHA1
c66d15184ef9a38a7423f1a6fbc60c94132051f9

SHA256
3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f

SHA512
c839f9653e021cd06deaa1b529506596598473f8e62347a5a01e88a09fdf6316a17e5cad8502646fc40db955505c44082ba5ed1e62bd2ce8e8bf8daa1dcecb3a

Download Submit
\Users\Public\registry_clean.exe
Filesize
371KB

MD5
bb82589608f2312e9bf9d0c63c8a3d68

SHA1
c66d15184ef9a38a7423f1a6fbc60c94132051f9

SHA256
3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f

SHA512
c839f9653e021cd06deaa1b529506596598473f8e62347a5a01e88a09fdf6316a17e5cad8502646fc40db955505c44082ba5ed1e62bd2ce8e8bf8daa1dcecb3a

Download Submit
\Users\Public\registry_clean.exe
Filesize
371KB

MD5
bb82589608f2312e9bf9d0c63c8a3d68

SHA1
c66d15184ef9a38a7423f1a6fbc60c94132051f9

SHA256
3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f

SHA512
c839f9653e021cd06deaa1b529506596598473f8e62347a5a01e88a09fdf6316a17e5cad8502646fc40db955505c44082ba5ed1e62bd2ce8e8bf8daa1dcecb3a

Download Submit
memory/668-84-0x0000000002E40000-0x000000000605F000-memory.dmp

Filesize
50.1MB

Download
memory/668-89-0x0000000002E40000-0x000000000605F000-memory.dmp

Filesize
50.1MB

Download
memory/1216-98-0x00000000001B0000-0x00000000002B0000-memory.dmp

Filesize
1024KB

Download
memory/1216-117-0x0000000004CE0000-0x0000000004D7C000-memory.dmp

Filesize
624KB

Download
memory/1216-114-0x0000000004CE0000-0x0000000004D7C000-memory.dmp

Filesize
624KB

Download
memory/1216-113-0x0000000004CE0000-0x0000000004D7C000-memory.dmp

Filesize
624KB

Download
memory/1216-101-0x0000000006C80000-0x0000000006D65000-memory.dmp

Filesize
916KB

Download
memory/1256-97-0x0000000001470000-0x000000000468F000-memory.dmp

Filesize
50.1MB

Download
memory/1256-96-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1256-100-0x0000000034450000-0x0000000034464000-memory.dmp

Filesize
80KB

Download
memory/1256-99-0x00000000348C0000-0x0000000034BC3000-memory.dmp

Filesize
3.0MB

Download
memory/1256-102-0x0000000001470000-0x000000000468F000-memory.dmp

Filesize
50.1MB

Download
memory/1256-105-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1256-91-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1256-92-0x0000000001470000-0x000000000468F000-memory.dmp

Filesize
50.1MB

Download
memory/1256-94-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1696-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1696-136-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2032-104-0x0000000000940000-0x000000000095F000-memory.dmp

Filesize
124KB

Download
memory/2032-112-0x0000000001D60000-0x0000000001DF3000-memory.dmp

Filesize
588KB

Download
memory/2032-109-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2032-107-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2032-108-0x0000000001EF0000-0x00000000021F3000-memory.dmp

Filesize
3.0MB

Download
memory/2032-103-0x0000000000940000-0x000000000095F000-memory.dmp

Filesize
124KB

Download