formbook | 91cf449506a9c3ade639027f6a38e99ee22d9cc7c2a1c4bc42fc8047185b8918

Analysis

max time kernel
154s
max time network
157s
platform
windows7_x64
resource
win7-en-20211208
submitted
11-02-2022 18:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

TW0091.xlsx
Size

187KB
MD5

41521b74c54998dcd1460d444b07c5f1
SHA1

29dcf07f9964a0c2a36defa2935441f559fe7cd2
SHA256

91cf449506a9c3ade639027f6a38e99ee22d9cc7c2a1c4bc42fc8047185b8918
SHA512

8841ddad3690fb1c1436331b03ac26a356f0ff32ab5df923770da4af94785ee5d73cf0f68367cdb2bd3c31922f8be8726004e737753b11c9b32959f71155466d

Score

10^/10

formbook xloader b80i loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

b80i

Decoy

junkremovallawrencevillega.com

almihdar.com

libertymarket.net

daxvip.com

smartxbusinessnetwork.com

aanhanger-verhuur.com

nigerianspecialtyfoods.com

springeqx.com

jmwimpactrecovery.com

teamindus.net

cannabisconnecticut.net

50mpt.xyz

southstarfenceny.com

allisonwinterdesign.com

appsforbusiness.pro

rampi6.com

dusa.codes

firstclassrealtynj.com

curativecarnivore.com

verzeker.xyz

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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/636-73-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1692-81-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 360 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

vbc.exelzxupx.exelzxupx.exe

pid process

1984 vbc.exe
808 lzxupx.exe
636 lzxupx.exe
Loads dropped DLL 5 IoCs

Processes:

EQNEDT32.EXEvbc.exelzxupx.exe

pid process

360 EQNEDT32.EXE
360 EQNEDT32.EXE
360 EQNEDT32.EXE
1984 vbc.exe
808 lzxupx.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	360	EQNEDT32.EXE

pid	process
1984	vbc.exe
808	lzxupx.exe
636	lzxupx.exe

pid	process
360	EQNEDT32.EXE
360	EQNEDT32.EXE
360	EQNEDT32.EXE
1984	vbc.exe
808	lzxupx.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

lzxupx.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\kdbhxeuc = "C:\\Users\\Admin\\AppData\\Roaming\\joexhtvg\\hojfmbr.exe"	lzxupx.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

lzxupx.exelzxupx.execmmon32.exe

description	pid	process	target process
PID 808 set thread context of 636	808	lzxupx.exe	lzxupx.exe
PID 636 set thread context of 1268	636	lzxupx.exe	Explorer.EXE
PID 1692 set thread context of 1268	1692	cmmon32.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

NSIS installer 10 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

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

360 EQNEDT32.EXE

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

pid	process
360	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXEcmmon32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	EXCEL.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\""	EXCEL.EXE
Key created	\Registry\User\S-1-5-21-2329389628-4064185017-3901522362-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmmon32.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\""	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1624 EXCEL.EXE

pid	process
1624	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

lzxupx.execmmon32.exe

pid	process
636	lzxupx.exe
636	lzxupx.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe
1692	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

lzxupx.execmmon32.exe

pid process

636 lzxupx.exe
636 lzxupx.exe
636 lzxupx.exe
1692 cmmon32.exe
1692 cmmon32.exe
1692 cmmon32.exe
1692 cmmon32.exe

pid	process
1268	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

lzxupx.exeExplorer.EXEcmmon32.exe

description	pid	process
Token: SeDebugPrivilege	636	lzxupx.exe
Token: SeShutdownPrivilege	1268	Explorer.EXE
Token: SeDebugPrivilege	1692	cmmon32.exe
Token: SeShutdownPrivilege	1268	Explorer.EXE
Token: SeShutdownPrivilege	1268	Explorer.EXE
Token: SeShutdownPrivilege	1268	Explorer.EXE
Token: SeShutdownPrivilege	1268	Explorer.EXE
Token: SeShutdownPrivilege	1268	Explorer.EXE
Token: SeShutdownPrivilege	1268	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1624 EXCEL.EXE
1624 EXCEL.EXE
1624 EXCEL.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

pid	process
1624	EXCEL.EXE
1624	EXCEL.EXE
1624	EXCEL.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

EQNEDT32.EXEvbc.exelzxupx.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 360 wrote to memory of 1984	360	EQNEDT32.EXE	vbc.exe
PID 360 wrote to memory of 1984	360	EQNEDT32.EXE	vbc.exe
PID 360 wrote to memory of 1984	360	EQNEDT32.EXE	vbc.exe
PID 360 wrote to memory of 1984	360	EQNEDT32.EXE	vbc.exe
PID 1984 wrote to memory of 808	1984	vbc.exe	lzxupx.exe
PID 1984 wrote to memory of 808	1984	vbc.exe	lzxupx.exe
PID 1984 wrote to memory of 808	1984	vbc.exe	lzxupx.exe
PID 1984 wrote to memory of 808	1984	vbc.exe	lzxupx.exe
PID 808 wrote to memory of 636	808	lzxupx.exe	lzxupx.exe
PID 808 wrote to memory of 636	808	lzxupx.exe	lzxupx.exe
PID 808 wrote to memory of 636	808	lzxupx.exe	lzxupx.exe
PID 808 wrote to memory of 636	808	lzxupx.exe	lzxupx.exe
PID 808 wrote to memory of 636	808	lzxupx.exe	lzxupx.exe
PID 808 wrote to memory of 636	808	lzxupx.exe	lzxupx.exe
PID 808 wrote to memory of 636	808	lzxupx.exe	lzxupx.exe
PID 1268 wrote to memory of 1692	1268	Explorer.EXE	cmmon32.exe
PID 1268 wrote to memory of 1692	1268	Explorer.EXE	cmmon32.exe
PID 1268 wrote to memory of 1692	1268	Explorer.EXE	cmmon32.exe
PID 1268 wrote to memory of 1692	1268	Explorer.EXE	cmmon32.exe
PID 1692 wrote to memory of 1712	1692	cmmon32.exe	Firefox.exe
PID 1692 wrote to memory of 1712	1692	cmmon32.exe	Firefox.exe
PID 1692 wrote to memory of 1712	1692	cmmon32.exe	Firefox.exe
PID 1692 wrote to memory of 1712	1692	cmmon32.exe	Firefox.exe
PID 1692 wrote to memory of 1712	1692	cmmon32.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1268

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\TW0091.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1624

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1712

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:360

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1984

C:\Users\Admin\AppData\Local\Temp\lzxupx.exe
C:\Users\Admin\AppData\Local\Temp\lzxupx.exe C:\Users\Admin\AppData\Local\Temp\mhwrt
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:808

C:\Users\Admin\AppData\Local\Temp\lzxupx.exe
C:\Users\Admin\AppData\Local\Temp\lzxupx.exe C:\Users\Admin\AppData\Local\Temp\mhwrt
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:636

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

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\8yhm36shrfdb7m
MD5
9a27c7a81f8c8e76ab1428272cbc4822

SHA1
d7b462d5656f7fd4b84459b3059a2bed605959c3

SHA256
d3e245fa239555efb9dda0f08a6f446196b815eec04bdb4080c1f07457ddc40f

SHA512
47b1b4d66c9e9a6e64d174675c4ef7e850fe4de63e32873bd1e2d13d4e3f1cfdb081e95b729f7e2fba0d9755bc78aeac70391e88f3a604895462f2a1e1afd8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\lzxupx.exe
MD5
12c84e3b91a0d7b34b8dec119629f515

SHA1
201d94893c58230d20cd33a18a1e44ee0c1cae60

SHA256
de9764977cb43f68e1ece123bea4c000963dd89d65f8c8bdfcc471809fe6828e

SHA512
0ce22f490865b1f733a79393eae96545b91892c21563d9657d01496579db61a9303fed92cbf5b4069f445525ab87b18870195d55d3bd680ec22c842daf989364

Download Submit
C:\Users\Admin\AppData\Local\Temp\lzxupx.exe
MD5
12c84e3b91a0d7b34b8dec119629f515

SHA1
201d94893c58230d20cd33a18a1e44ee0c1cae60

SHA256
de9764977cb43f68e1ece123bea4c000963dd89d65f8c8bdfcc471809fe6828e

SHA512
0ce22f490865b1f733a79393eae96545b91892c21563d9657d01496579db61a9303fed92cbf5b4069f445525ab87b18870195d55d3bd680ec22c842daf989364

Download Submit
C:\Users\Admin\AppData\Local\Temp\lzxupx.exe
MD5
12c84e3b91a0d7b34b8dec119629f515

SHA1
201d94893c58230d20cd33a18a1e44ee0c1cae60

SHA256
de9764977cb43f68e1ece123bea4c000963dd89d65f8c8bdfcc471809fe6828e

SHA512
0ce22f490865b1f733a79393eae96545b91892c21563d9657d01496579db61a9303fed92cbf5b4069f445525ab87b18870195d55d3bd680ec22c842daf989364

Download Submit
C:\Users\Admin\AppData\Local\Temp\mhwrt
MD5
bb58be1427701790f21c1c4655ae8e3b

SHA1
f218f0d96cb6e4db020e3fb88b6630ad54015572

SHA256
b9d922099d97de8220ff4ef871c87e68974d72b1e2a82a24cc12af8921f05857

SHA512
dd2b565684a89d3835989db01fec3416b09e4e8e37831fa62c311ed16659767e4947514f782870d039450786bb25cffedf8936bc94f8078df490c2e3efcc1dec

Download Submit
C:\Users\Public\vbc.exe
MD5
db601737341d075854a7a92dcfe2c9f9

SHA1
16b3755c07814422eb01664b67370e31027c0f3d

SHA256
76d07b33364445e08dd5306a4e98d34edb6895a8269e9bb5aa9ef80e1cb83b2e

SHA512
b76759f28bcb68453dc32384f8bed1db071642f4ce5d9c84b14f2b172937b9a62f6e55857b74e14ca6e4c2a0f20bc6a50ab0e37fa36e59b364bdd2b108799c80

Download Submit
C:\Users\Public\vbc.exe
MD5
db601737341d075854a7a92dcfe2c9f9

SHA1
16b3755c07814422eb01664b67370e31027c0f3d

SHA256
76d07b33364445e08dd5306a4e98d34edb6895a8269e9bb5aa9ef80e1cb83b2e

SHA512
b76759f28bcb68453dc32384f8bed1db071642f4ce5d9c84b14f2b172937b9a62f6e55857b74e14ca6e4c2a0f20bc6a50ab0e37fa36e59b364bdd2b108799c80

Download Submit
\Users\Admin\AppData\Local\Temp\lzxupx.exe
MD5
12c84e3b91a0d7b34b8dec119629f515

SHA1
201d94893c58230d20cd33a18a1e44ee0c1cae60

SHA256
de9764977cb43f68e1ece123bea4c000963dd89d65f8c8bdfcc471809fe6828e

SHA512
0ce22f490865b1f733a79393eae96545b91892c21563d9657d01496579db61a9303fed92cbf5b4069f445525ab87b18870195d55d3bd680ec22c842daf989364

Download Submit
\Users\Admin\AppData\Local\Temp\lzxupx.exe
MD5
12c84e3b91a0d7b34b8dec119629f515

SHA1
201d94893c58230d20cd33a18a1e44ee0c1cae60

SHA256
de9764977cb43f68e1ece123bea4c000963dd89d65f8c8bdfcc471809fe6828e

SHA512
0ce22f490865b1f733a79393eae96545b91892c21563d9657d01496579db61a9303fed92cbf5b4069f445525ab87b18870195d55d3bd680ec22c842daf989364

Download Submit
\Users\Public\vbc.exe
MD5
db601737341d075854a7a92dcfe2c9f9

SHA1
16b3755c07814422eb01664b67370e31027c0f3d

SHA256
76d07b33364445e08dd5306a4e98d34edb6895a8269e9bb5aa9ef80e1cb83b2e

SHA512
b76759f28bcb68453dc32384f8bed1db071642f4ce5d9c84b14f2b172937b9a62f6e55857b74e14ca6e4c2a0f20bc6a50ab0e37fa36e59b364bdd2b108799c80

Download Submit
\Users\Public\vbc.exe
MD5
db601737341d075854a7a92dcfe2c9f9

SHA1
16b3755c07814422eb01664b67370e31027c0f3d

SHA256
76d07b33364445e08dd5306a4e98d34edb6895a8269e9bb5aa9ef80e1cb83b2e

SHA512
b76759f28bcb68453dc32384f8bed1db071642f4ce5d9c84b14f2b172937b9a62f6e55857b74e14ca6e4c2a0f20bc6a50ab0e37fa36e59b364bdd2b108799c80

Download Submit
\Users\Public\vbc.exe
MD5
db601737341d075854a7a92dcfe2c9f9

SHA1
16b3755c07814422eb01664b67370e31027c0f3d

SHA256
76d07b33364445e08dd5306a4e98d34edb6895a8269e9bb5aa9ef80e1cb83b2e

SHA512
b76759f28bcb68453dc32384f8bed1db071642f4ce5d9c84b14f2b172937b9a62f6e55857b74e14ca6e4c2a0f20bc6a50ab0e37fa36e59b364bdd2b108799c80

Download Submit
memory/360-59-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download
memory/636-77-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/636-73-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/636-78-0x00000000003A0000-0x00000000003B1000-memory.dmp

Filesize
68KB

Download
memory/636-75-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/1268-79-0x0000000006F10000-0x00000000070AF000-memory.dmp

Filesize
1.6MB

Download
memory/1268-84-0x0000000007750000-0x0000000007872000-memory.dmp

Filesize
1.1MB

Download
memory/1624-56-0x0000000070F21000-0x0000000070F23000-memory.dmp

Filesize
8KB

Download
memory/1624-58-0x0000000071F0D000-0x0000000071F18000-memory.dmp

Filesize
44KB

Download
memory/1624-55-0x000000002FE51000-0x000000002FE54000-memory.dmp

Filesize
12KB

Download
memory/1624-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1624-85-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1692-81-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1692-80-0x00000000005D0000-0x00000000005DD000-memory.dmp

Filesize
52KB

Download
memory/1692-82-0x0000000001FF0000-0x00000000022F3000-memory.dmp

Filesize
3.0MB

Download
memory/1692-83-0x00000000004E0000-0x0000000000570000-memory.dmp

Filesize
576KB

Download