formbook | ea2eb32bfadd49c0bc833a50ed2b7d73f42175378fb2e7ff53e3612b5ae8f6f1

General

Target

Quotation.xlsx
Size

187KB
MD5

b23f5b2d0dd2b26171acf1b853bd7fa1
SHA1

c59ef6b1adbeea79ac12304e6c2b6d1bba326b21
SHA256

ea2eb32bfadd49c0bc833a50ed2b7d73f42175378fb2e7ff53e3612b5ae8f6f1
SHA512

c6452622f0b262d7eb168a4946106ed7d32af0edc265ac9ab4b704a2099ba41ac1dba9faeb40828b02d8566e9c8a928dee548aa6adc697caf5b888df08dbc1e6

Score

10^/10

formbook g2fg rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g2fg

Decoy

snowcrash.website

pointman.us

newheartvalve.care

drandl.com

sandspringsramblers.com

programagubernamental.online

boja.us

mvrsnike.com

mentallyillmotherhood.com

facom.us

programagubernamental.store

izivente.com

roller-v.fr

amazonbioactives.com

metaverseapple.xyz

5gt-mobilevsverizon.com

gtwebsolutions.co

scottdunn.life

usdp.trade

pikmin.run

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1760-77-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1984-86-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 872 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1976 vbc.exe
1760 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

872 EQNEDT32.EXE
872 EQNEDT32.EXE
872 EQNEDT32.EXE
872 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	872	EQNEDT32.EXE

pid	process
1976	vbc.exe
1760	vbc.exe

pid	process
872	EQNEDT32.EXE
872	EQNEDT32.EXE
872	EQNEDT32.EXE
872	EQNEDT32.EXE

Drops file in System32 directory 1 IoCs

Processes:

powershell.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

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exemsiexec.exe

description	pid	process	target process
PID 1976 set thread context of 1760	1976	vbc.exe	vbc.exe
PID 1760 set thread context of 1248	1760	vbc.exe	Explorer.EXE
PID 1984 set thread context of 1248	1984	msiexec.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
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1768 schtasks.exe
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

872 EQNEDT32.EXE

pid	process
1768	schtasks.exe

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

pid	process
872	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt	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 MHTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	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 HTML Editor\shell\edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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\COMMAND	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	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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 HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	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

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1672 EXCEL.EXE

pid	process
1672	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

powershell.exevbc.exemsiexec.exe

pid	process
1736	powershell.exe
1760	vbc.exe
1760	vbc.exe
1984	msiexec.exe
1984	msiexec.exe
1984	msiexec.exe
1984	msiexec.exe
1984	msiexec.exe
1984	msiexec.exe
1984	msiexec.exe
1984	msiexec.exe
1984	msiexec.exe
1984	msiexec.exe
1984	msiexec.exe
1984	msiexec.exe
1984	msiexec.exe
1984	msiexec.exe
1984	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exemsiexec.exe

pid process

1760 vbc.exe
1760 vbc.exe
1760 vbc.exe
1984 msiexec.exe
1984 msiexec.exe

pid	process
1248	Explorer.EXE

pid	process
1760	vbc.exe
1760	vbc.exe
1760	vbc.exe
1984	msiexec.exe
1984	msiexec.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

powershell.exevbc.exemsiexec.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1736	powershell.exe
Token: SeDebugPrivilege	1760	vbc.exe
Token: SeDebugPrivilege	1984	msiexec.exe
Token: SeShutdownPrivilege	1248	Explorer.EXE
Token: SeShutdownPrivilege	1248	Explorer.EXE
Token: SeShutdownPrivilege	1248	Explorer.EXE
Token: SeShutdownPrivilege	1248	Explorer.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1672 EXCEL.EXE
1672 EXCEL.EXE
1672 EXCEL.EXE
1672 EXCEL.EXE
1672 EXCEL.EXE

pid	process
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 872 wrote to memory of 1976	872	EQNEDT32.EXE	vbc.exe
PID 872 wrote to memory of 1976	872	EQNEDT32.EXE	vbc.exe
PID 872 wrote to memory of 1976	872	EQNEDT32.EXE	vbc.exe
PID 872 wrote to memory of 1976	872	EQNEDT32.EXE	vbc.exe
PID 1976 wrote to memory of 1736	1976	vbc.exe	powershell.exe
PID 1976 wrote to memory of 1736	1976	vbc.exe	powershell.exe
PID 1976 wrote to memory of 1736	1976	vbc.exe	powershell.exe
PID 1976 wrote to memory of 1736	1976	vbc.exe	powershell.exe
PID 1976 wrote to memory of 1768	1976	vbc.exe	schtasks.exe
PID 1976 wrote to memory of 1768	1976	vbc.exe	schtasks.exe
PID 1976 wrote to memory of 1768	1976	vbc.exe	schtasks.exe
PID 1976 wrote to memory of 1768	1976	vbc.exe	schtasks.exe
PID 1976 wrote to memory of 1760	1976	vbc.exe	vbc.exe
PID 1976 wrote to memory of 1760	1976	vbc.exe	vbc.exe
PID 1976 wrote to memory of 1760	1976	vbc.exe	vbc.exe
PID 1976 wrote to memory of 1760	1976	vbc.exe	vbc.exe
PID 1976 wrote to memory of 1760	1976	vbc.exe	vbc.exe
PID 1976 wrote to memory of 1760	1976	vbc.exe	vbc.exe
PID 1976 wrote to memory of 1760	1976	vbc.exe	vbc.exe
PID 1248 wrote to memory of 1984	1248	Explorer.EXE	msiexec.exe
PID 1248 wrote to memory of 1984	1248	Explorer.EXE	msiexec.exe
PID 1248 wrote to memory of 1984	1248	Explorer.EXE	msiexec.exe
PID 1248 wrote to memory of 1984	1248	Explorer.EXE	msiexec.exe
PID 1248 wrote to memory of 1984	1248	Explorer.EXE	msiexec.exe
PID 1248 wrote to memory of 1984	1248	Explorer.EXE	msiexec.exe
PID 1248 wrote to memory of 1984	1248	Explorer.EXE	msiexec.exe
PID 1984 wrote to memory of 1480	1984	msiexec.exe	cmd.exe
PID 1984 wrote to memory of 1480	1984	msiexec.exe	cmd.exe
PID 1984 wrote to memory of 1480	1984	msiexec.exe	cmd.exe
PID 1984 wrote to memory of 1480	1984	msiexec.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248

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\Quotation.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1672

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1480

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:872

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kTtZEsPaZu.exe"
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1736

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kTtZEsPaZu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE6C6.tmp"
3⤵
- Creates scheduled task(s)
PID:1768

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
PID:1760

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Scheduled Task

1

T1053

Exploitation for Client Execution

1

T1203

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE6C6.tmp
MD5
2d100d15c7feea086cdfa7f74a191689

SHA1
a93dda4d5eac9ad86135f6726c34a23c2e4c1081

SHA256
75a8c49798d0abef09f4b2a93ca8a426f5caf93cce46e467951913fbd6f3fd09

SHA512
d5b6d46b6855936d104424fe762af9b2a90a1c7f6e50717d0a2d2caad9c99d37ace03b4d9e4c4727ab8a4ed51700560da0c530be32cf12f1d262cb0ab916c19c

Download Submit
C:\Users\Public\vbc.exe
MD5
43357f80bc70e0db9fb0c304a962e3de

SHA1
50b6a0a1fb9d9af63523b9a186e88c279c591274

SHA256
c4771044788147e2c9acb052dfbf6d291400add558b59ad0e6d0c5f42f3ec3e1

SHA512
186ce7a33d8bbbc821f689e7f736f8648b827c981a72eccddbeed1861b05bbc014866c8c138993981f6cd7bb864466ef21912c92f13d8072247efb02f5a60ff0

Download Submit
C:\Users\Public\vbc.exe
MD5
43357f80bc70e0db9fb0c304a962e3de

SHA1
50b6a0a1fb9d9af63523b9a186e88c279c591274

SHA256
c4771044788147e2c9acb052dfbf6d291400add558b59ad0e6d0c5f42f3ec3e1

SHA512
186ce7a33d8bbbc821f689e7f736f8648b827c981a72eccddbeed1861b05bbc014866c8c138993981f6cd7bb864466ef21912c92f13d8072247efb02f5a60ff0

Download Submit
C:\Users\Public\vbc.exe
MD5
43357f80bc70e0db9fb0c304a962e3de

SHA1
50b6a0a1fb9d9af63523b9a186e88c279c591274

SHA256
c4771044788147e2c9acb052dfbf6d291400add558b59ad0e6d0c5f42f3ec3e1

SHA512
186ce7a33d8bbbc821f689e7f736f8648b827c981a72eccddbeed1861b05bbc014866c8c138993981f6cd7bb864466ef21912c92f13d8072247efb02f5a60ff0

Download Submit
\Users\Public\vbc.exe
MD5
43357f80bc70e0db9fb0c304a962e3de

SHA1
50b6a0a1fb9d9af63523b9a186e88c279c591274

SHA256
c4771044788147e2c9acb052dfbf6d291400add558b59ad0e6d0c5f42f3ec3e1

SHA512
186ce7a33d8bbbc821f689e7f736f8648b827c981a72eccddbeed1861b05bbc014866c8c138993981f6cd7bb864466ef21912c92f13d8072247efb02f5a60ff0

Download Submit
\Users\Public\vbc.exe
MD5
43357f80bc70e0db9fb0c304a962e3de

SHA1
50b6a0a1fb9d9af63523b9a186e88c279c591274

SHA256
c4771044788147e2c9acb052dfbf6d291400add558b59ad0e6d0c5f42f3ec3e1

SHA512
186ce7a33d8bbbc821f689e7f736f8648b827c981a72eccddbeed1861b05bbc014866c8c138993981f6cd7bb864466ef21912c92f13d8072247efb02f5a60ff0

Download Submit
\Users\Public\vbc.exe
MD5
43357f80bc70e0db9fb0c304a962e3de

SHA1
50b6a0a1fb9d9af63523b9a186e88c279c591274

SHA256
c4771044788147e2c9acb052dfbf6d291400add558b59ad0e6d0c5f42f3ec3e1

SHA512
186ce7a33d8bbbc821f689e7f736f8648b827c981a72eccddbeed1861b05bbc014866c8c138993981f6cd7bb864466ef21912c92f13d8072247efb02f5a60ff0

Download Submit
\Users\Public\vbc.exe
MD5
43357f80bc70e0db9fb0c304a962e3de

SHA1
50b6a0a1fb9d9af63523b9a186e88c279c591274

SHA256
c4771044788147e2c9acb052dfbf6d291400add558b59ad0e6d0c5f42f3ec3e1

SHA512
186ce7a33d8bbbc821f689e7f736f8648b827c981a72eccddbeed1861b05bbc014866c8c138993981f6cd7bb864466ef21912c92f13d8072247efb02f5a60ff0

Download Submit
memory/1248-83-0x0000000004A70000-0x0000000004B35000-memory.dmp

Filesize
788KB

Download
memory/1248-90-0x00000000073D0000-0x0000000007516000-memory.dmp

Filesize
1.3MB

Download
memory/1672-54-0x000000002FB31000-0x000000002FB34000-memory.dmp

Filesize
12KB

Download
memory/1672-89-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1672-55-0x00000000712C1000-0x00000000712C3000-memory.dmp

Filesize
8KB

Download
memory/1672-57-0x0000000075341000-0x0000000075343000-memory.dmp

Filesize
8KB

Download
memory/1672-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1736-72-0x0000000002360000-0x0000000002FAA000-memory.dmp

Filesize
12.3MB

Download
memory/1736-73-0x0000000002360000-0x0000000002FAA000-memory.dmp

Filesize
12.3MB

Download
memory/1736-74-0x0000000002360000-0x0000000002FAA000-memory.dmp

Filesize
12.3MB

Download
memory/1736-79-0x0000000004B20000-0x0000000004DF2000-memory.dmp

Filesize
2.8MB

Download
memory/1760-81-0x00000000007D0000-0x0000000000BD3000-memory.dmp

Filesize
4.0MB

Download
memory/1760-77-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1760-75-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1760-76-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1760-82-0x00000000003A0000-0x00000000003B4000-memory.dmp

Filesize
80KB

Download
memory/1976-68-0x00000000004C0000-0x00000000004CC000-memory.dmp

Filesize
48KB

Download
memory/1976-67-0x0000000004B40000-0x0000000004B41000-memory.dmp

Filesize
4KB

Download
memory/1976-65-0x0000000001110000-0x000000000117E000-memory.dmp

Filesize
440KB

Download
memory/1976-69-0x00000000050A0000-0x000000000510A000-memory.dmp

Filesize
424KB

Download
memory/1984-85-0x0000000000DE0000-0x0000000000DF4000-memory.dmp

Filesize
80KB

Download
memory/1984-86-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/1984-87-0x0000000002390000-0x0000000002693000-memory.dmp

Filesize
3.0MB

Download
memory/1984-88-0x0000000000500000-0x0000000000749000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads