formbook | c01942eeca190f7672db0e7e3322a21b52c66f669b41f1dd0ef852c8dd003cb3

Resubmissions

21-10-2021 12:23

211021-pkzp9aacd9 10

21-10-2021 09:57

211021-lyxk9sahgr 10

Analysis

max time kernel
1801s
max time network
1800s
platform
windows7_x64
resource
win7-en-20211014
submitted
21-10-2021 12:23

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Report Analysis Logs

General

Target

9aaf287388698afd5ef8bfeb1fb8ee24.rtf
Size

23KB
MD5

9aaf287388698afd5ef8bfeb1fb8ee24
SHA1

97c0f28698ddc4e9b512a37f0230de3846922649
SHA256

c01942eeca190f7672db0e7e3322a21b52c66f669b41f1dd0ef852c8dd003cb3
SHA512

e634eea49486d6cc8a0f3227b674184eff9ba57afa1a26f708687ef92f21d4ac979be19fad65c4430f4fb31e9746b286cad83ed3c1f668823bc66667e6c8dfe3

Score

10^/10

formbook xloader mxnu loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

mxnu

http://www.naplesconciergerealty.com/mxnu/

Decoy

insightmyhome.com

gabriellamaxey.com

029atk.xyz

marshconstructions.com

technichoffghosts.com

blue-ivy-boutique-au.com

1sunsetgroup.com

elfkuhnispb.store

caoliudh.club

verifiedpaypal.net

jellyice-tr.com

gatescres.com

bloomberq.online

crystaltopagent.net

uggs-line.com

ecommerceplatform.xyz

historyofcambridge.com

sattaking-gaziabad.xyz

digisor.com

beachpawsmobilegrooming.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/924-68-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/924-69-0x000000000041D4A0-mapping.dmp	xloader
behavioral1/memory/924-75-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1592-83-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader
behavioral1/memory/1348-96-0x000000000041D4A0-mapping.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 984 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 4 IoCs

Processes:

vbc.exevbc.exewinhh1lxj9.exewinhh1lxj9.exe

pid process

1788 vbc.exe
924 vbc.exe
1048 winhh1lxj9.exe
1348 winhh1lxj9.exe
Loads dropped DLL 5 IoCs

Processes:

EQNEDT32.EXEvbc.exewinhh1lxj9.exe

pid process

984 EQNEDT32.EXE
984 EQNEDT32.EXE
984 EQNEDT32.EXE
1788 vbc.exe
1048 winhh1lxj9.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	984	EQNEDT32.EXE

pid	process
1788	vbc.exe
924	vbc.exe
1048	winhh1lxj9.exe
1348	winhh1lxj9.exe

pid	process
984	EQNEDT32.EXE
984	EQNEDT32.EXE
984	EQNEDT32.EXE
1788	vbc.exe
1048	winhh1lxj9.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

netsh.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	netsh.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DBFPEZIXW82L = "C:\\Program Files (x86)\\Cox4dufwh\\winhh1lxj9.exe"	netsh.exe

Suspicious use of SetThreadContext 5 IoCs

Processes:

vbc.exevbc.exenetsh.exewinhh1lxj9.exe

description	pid	process	target process
PID 1788 set thread context of 924	1788	vbc.exe	vbc.exe
PID 924 set thread context of 1392	924	vbc.exe	Explorer.EXE
PID 924 set thread context of 1392	924	vbc.exe	Explorer.EXE
PID 1592 set thread context of 1392	1592	netsh.exe	Explorer.EXE
PID 1048 set thread context of 1348	1048	winhh1lxj9.exe	winhh1lxj9.exe

Drops file in Program Files directory 2 IoCs

Processes:

netsh.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.exe	netsh.exe
File created	C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.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). Likely ransomware behaviour.

System Information Discovery
T1082

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

NSIS installer 18 IoCs

installer

Processes:

resource	yara_rule
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2
C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.exe	nsis_installer_1
C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.exe	nsis_installer_2
C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.exe	nsis_installer_1
C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.exe	nsis_installer_2
C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.exe	nsis_installer_1
C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.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

984 EQNEDT32.EXE

pid	process
984	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXEnetsh.exe

description	ioc	process
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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\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	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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-2955169046-2371869340-1800780948-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	netsh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar	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	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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
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	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1632 WINWORD.EXE

pid	process
1632	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

vbc.exenetsh.exe

pid	process
924	vbc.exe
924	vbc.exe
924	vbc.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe
1592	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1392 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

vbc.exenetsh.exe

pid process

924 vbc.exe
924 vbc.exe
924 vbc.exe
924 vbc.exe
1592 netsh.exe
1592 netsh.exe
1592 netsh.exe
1592 netsh.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

Processes:

vbc.exeExplorer.EXEnetsh.exewinhh1lxj9.exe

description	pid	process
Token: SeDebugPrivilege	924	vbc.exe
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeDebugPrivilege	1592	netsh.exe
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeDebugPrivilege	1348	winhh1lxj9.exe
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE
Token: SeShutdownPrivilege	1392	Explorer.EXE

Suspicious use of FindShellTrayWindow 14 IoCs

Processes:

Explorer.EXE

pid	process
1392	Explorer.EXE
1392	Explorer.EXE
1392	Explorer.EXE
1392	Explorer.EXE
1392	Explorer.EXE
1392	Explorer.EXE
1392	Explorer.EXE
1392	Explorer.EXE
1392	Explorer.EXE
1392	Explorer.EXE
1392	Explorer.EXE
1392	Explorer.EXE
1392	Explorer.EXE
1392	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1392 Explorer.EXE
1392 Explorer.EXE
1392 Explorer.EXE
1392 Explorer.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1632 WINWORD.EXE
1632 WINWORD.EXE

pid	process
1632	WINWORD.EXE
1632	WINWORD.EXE

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

EQNEDT32.EXEvbc.exeWINWORD.EXEvbc.exenetsh.exeExplorer.EXEwinhh1lxj9.exe

description	pid	process	target process
PID 984 wrote to memory of 1788	984	EQNEDT32.EXE	vbc.exe
PID 984 wrote to memory of 1788	984	EQNEDT32.EXE	vbc.exe
PID 984 wrote to memory of 1788	984	EQNEDT32.EXE	vbc.exe
PID 984 wrote to memory of 1788	984	EQNEDT32.EXE	vbc.exe
PID 1788 wrote to memory of 924	1788	vbc.exe	vbc.exe
PID 1788 wrote to memory of 924	1788	vbc.exe	vbc.exe
PID 1788 wrote to memory of 924	1788	vbc.exe	vbc.exe
PID 1788 wrote to memory of 924	1788	vbc.exe	vbc.exe
PID 1788 wrote to memory of 924	1788	vbc.exe	vbc.exe
PID 1788 wrote to memory of 924	1788	vbc.exe	vbc.exe
PID 1788 wrote to memory of 924	1788	vbc.exe	vbc.exe
PID 1632 wrote to memory of 1636	1632	WINWORD.EXE	splwow64.exe
PID 1632 wrote to memory of 1636	1632	WINWORD.EXE	splwow64.exe
PID 1632 wrote to memory of 1636	1632	WINWORD.EXE	splwow64.exe
PID 1632 wrote to memory of 1636	1632	WINWORD.EXE	splwow64.exe
PID 924 wrote to memory of 1592	924	vbc.exe	netsh.exe
PID 924 wrote to memory of 1592	924	vbc.exe	netsh.exe
PID 924 wrote to memory of 1592	924	vbc.exe	netsh.exe
PID 924 wrote to memory of 1592	924	vbc.exe	netsh.exe
PID 1592 wrote to memory of 1700	1592	netsh.exe	cmd.exe
PID 1592 wrote to memory of 1700	1592	netsh.exe	cmd.exe
PID 1592 wrote to memory of 1700	1592	netsh.exe	cmd.exe
PID 1592 wrote to memory of 1700	1592	netsh.exe	cmd.exe
PID 1392 wrote to memory of 1048	1392	Explorer.EXE	winhh1lxj9.exe
PID 1392 wrote to memory of 1048	1392	Explorer.EXE	winhh1lxj9.exe
PID 1392 wrote to memory of 1048	1392	Explorer.EXE	winhh1lxj9.exe
PID 1392 wrote to memory of 1048	1392	Explorer.EXE	winhh1lxj9.exe
PID 1592 wrote to memory of 1916	1592	netsh.exe	Firefox.exe
PID 1592 wrote to memory of 1916	1592	netsh.exe	Firefox.exe
PID 1592 wrote to memory of 1916	1592	netsh.exe	Firefox.exe
PID 1592 wrote to memory of 1916	1592	netsh.exe	Firefox.exe
PID 1048 wrote to memory of 1348	1048	winhh1lxj9.exe	winhh1lxj9.exe
PID 1048 wrote to memory of 1348	1048	winhh1lxj9.exe	winhh1lxj9.exe
PID 1048 wrote to memory of 1348	1048	winhh1lxj9.exe	winhh1lxj9.exe
PID 1048 wrote to memory of 1348	1048	winhh1lxj9.exe	winhh1lxj9.exe
PID 1048 wrote to memory of 1348	1048	winhh1lxj9.exe	winhh1lxj9.exe
PID 1048 wrote to memory of 1348	1048	winhh1lxj9.exe	winhh1lxj9.exe
PID 1048 wrote to memory of 1348	1048	winhh1lxj9.exe	winhh1lxj9.exe
PID 1592 wrote to memory of 1916	1592	netsh.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1392

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\9aaf287388698afd5ef8bfeb1fb8ee24.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:1632

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:1636

C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.exe
"C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1048

C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.exe
"C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1348

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:984

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1788

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:924

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.exe"
4⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1592

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
5⤵
PID:1700

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
5⤵
PID:1916

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Exploitation for Client Execution

T1203

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Scripting

T1064

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
C:\Program Files (x86)\Cox4dufwh\winhh1lxj9.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
C:\Users\Admin\AppData\Local\Temp\v3v4fyxld38pebqq
MD5
bdc3505c88522a01db5c675983355a86

SHA1
8465c710eb29a7a0696bb5e83d27961da67a03a0

SHA256
620ccc5897f1c5dca0e6a71bd47c6c8d9ef8aeb6d25b7fc1cdd46e6873587915

SHA512
717fdc1b782f2c4d78bf4588e3dee614f95a91f3213201f33f6546cbf2daa29c4e9e5b8b4911abe196cdd6b7c5c5ae6a3b7efddecd75cc5d38f09b6e10e8c58b

Download Submit
C:\Users\Public\vbc.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
C:\Users\Public\vbc.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
C:\Users\Public\vbc.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
\Users\Admin\AppData\Local\Temp\nsb2B36.tmp\dzksq.dll
MD5
52a665d244ddb5192b3494f4ca1bd978

SHA1
07bd3f140917cd3992e9b9ffc120c84af834472d

SHA256
63466cfda81d5da190e8d3198ccff849e7c651f472efd58d277add978a50f131

SHA512
c892de4792dd99d8d9eb3da0e42d80132bb613062cec56faa0429019ca3e8e32804e2d065f72cbc8c960000013e113753bcd15b836e4d19f147f37f2f12e5648

Download Submit
\Users\Admin\AppData\Local\Temp\nst5294.tmp\dzksq.dll
MD5
52a665d244ddb5192b3494f4ca1bd978

SHA1
07bd3f140917cd3992e9b9ffc120c84af834472d

SHA256
63466cfda81d5da190e8d3198ccff849e7c651f472efd58d277add978a50f131

SHA512
c892de4792dd99d8d9eb3da0e42d80132bb613062cec56faa0429019ca3e8e32804e2d065f72cbc8c960000013e113753bcd15b836e4d19f147f37f2f12e5648

Download Submit
\Users\Public\vbc.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
\Users\Public\vbc.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
\Users\Public\vbc.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
memory/924-76-0x0000000000570000-0x0000000000581000-memory.dmp

Filesize
68KB

Download
memory/924-68-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/924-71-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/924-73-0x00000000003C0000-0x00000000003D1000-memory.dmp

Filesize
68KB

Download
memory/924-75-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/924-69-0x000000000041D4A0-mapping.dmp

Download
memory/1048-89-0x0000000000000000-mapping.dmp

Download
memory/1348-98-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/1348-96-0x000000000041D4A0-mapping.dmp

Download
memory/1392-77-0x0000000004220000-0x0000000004308000-memory.dmp

Filesize
928KB

Download
memory/1392-74-0x0000000007220000-0x000000000733C000-memory.dmp

Filesize
1.1MB

Download
memory/1392-86-0x0000000006010000-0x00000000060CE000-memory.dmp

Filesize
760KB

Download
memory/1592-80-0x0000000000000000-mapping.dmp

Download
memory/1592-82-0x0000000000D50000-0x0000000000D6B000-memory.dmp

Filesize
108KB

Download
memory/1592-84-0x0000000002170000-0x0000000002473000-memory.dmp

Filesize
3.0MB

Download
memory/1592-83-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1592-85-0x0000000000980000-0x0000000000A10000-memory.dmp

Filesize
576KB

Download
memory/1632-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1632-58-0x0000000076241000-0x0000000076243000-memory.dmp

Filesize
8KB

Download
memory/1632-87-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1632-55-0x0000000072DB1000-0x0000000072DB4000-memory.dmp

Filesize
12KB

Download
memory/1632-56-0x0000000070831000-0x0000000070833000-memory.dmp

Filesize
8KB

Download
memory/1636-79-0x000007FEFC461000-0x000007FEFC463000-memory.dmp

Filesize
8KB

Download
memory/1636-78-0x0000000000000000-mapping.dmp

Download
memory/1700-81-0x0000000000000000-mapping.dmp

Download
memory/1788-63-0x0000000000000000-mapping.dmp

Download