formbook | 65e00716aa71025d9cb4c8a9d84fe400fc09e97ad9dc1c0587cbb995ca9edbe8

General

Target

Quotation.xlsx
Size

187KB
MD5

5df4a038cc4bba817a9daff5fc087a43
SHA1

8834957b839145353b4b7ba7dadad4283db5dc64
SHA256

65e00716aa71025d9cb4c8a9d84fe400fc09e97ad9dc1c0587cbb995ca9edbe8
SHA512

f6bfad5a8d61b701d3031e89999020d225a5db6d5d8b79f96e778005c4ef00703e0bbe0a25e4fe52887d261fda29fc4ff6610c55b152ce98f16fb901928af865

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/1644-77-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1236-88-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 864 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1140 vbc.exe
1644 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

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

Scripting
T1064

flow	pid	process
4	864	EQNEDT32.EXE

pid	process
1140	vbc.exe
1644	vbc.exe

pid	process
864	EQNEDT32.EXE
864	EQNEDT32.EXE
864	EQNEDT32.EXE
864	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.exerundll32.exe

description	pid	process	target process
PID 1140 set thread context of 1644	1140	vbc.exe	vbc.exe
PID 1644 set thread context of 1360	1644	vbc.exe	Explorer.EXE
PID 1236 set thread context of 1360	1236	rundll32.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

1688 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

864 EQNEDT32.EXE

pid	process
1688	schtasks.exe

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

pid	process
864	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	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\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	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 MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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
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\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt	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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML 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
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\COMMAND	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	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\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\edit	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	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\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit	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\htmlfile\DefaultIcon	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command	EXCEL.EXE
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\Excel.exe	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 created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open"	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\.mht\OpenWithList\MSPub.exe\shell\edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit	EXCEL.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"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word	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\.htm\OpenWithList\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %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\.htm\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	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\Excel.exe\shell\edit\ddeexec	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command	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\DefaultIcon\ = "\"%1\""	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\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1720 EXCEL.EXE

pid	process
1720	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

vbc.exepowershell.exerundll32.exe

pid	process
1644	vbc.exe
1644	vbc.exe
1292	powershell.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe
1236	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1360 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exerundll32.exe

pid process

1644 vbc.exe
1644 vbc.exe
1644 vbc.exe
1236 rundll32.exe
1236 rundll32.exe

pid	process
1360	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

vbc.exepowershell.exerundll32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1644	vbc.exe
Token: SeDebugPrivilege	1292	powershell.exe
Token: SeDebugPrivilege	1236	rundll32.exe
Token: SeShutdownPrivilege	1360	Explorer.EXE
Token: SeShutdownPrivilege	1360	Explorer.EXE
Token: SeShutdownPrivilege	1360	Explorer.EXE
Token: SeShutdownPrivilege	1360	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1720 EXCEL.EXE
1720 EXCEL.EXE
1720 EXCEL.EXE

pid	process
1720	EXCEL.EXE
1720	EXCEL.EXE
1720	EXCEL.EXE

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 864 wrote to memory of 1140	864	EQNEDT32.EXE	vbc.exe
PID 864 wrote to memory of 1140	864	EQNEDT32.EXE	vbc.exe
PID 864 wrote to memory of 1140	864	EQNEDT32.EXE	vbc.exe
PID 864 wrote to memory of 1140	864	EQNEDT32.EXE	vbc.exe
PID 1140 wrote to memory of 1292	1140	vbc.exe	powershell.exe
PID 1140 wrote to memory of 1292	1140	vbc.exe	powershell.exe
PID 1140 wrote to memory of 1292	1140	vbc.exe	powershell.exe
PID 1140 wrote to memory of 1292	1140	vbc.exe	powershell.exe
PID 1140 wrote to memory of 1688	1140	vbc.exe	schtasks.exe
PID 1140 wrote to memory of 1688	1140	vbc.exe	schtasks.exe
PID 1140 wrote to memory of 1688	1140	vbc.exe	schtasks.exe
PID 1140 wrote to memory of 1688	1140	vbc.exe	schtasks.exe
PID 1140 wrote to memory of 1644	1140	vbc.exe	vbc.exe
PID 1140 wrote to memory of 1644	1140	vbc.exe	vbc.exe
PID 1140 wrote to memory of 1644	1140	vbc.exe	vbc.exe
PID 1140 wrote to memory of 1644	1140	vbc.exe	vbc.exe
PID 1140 wrote to memory of 1644	1140	vbc.exe	vbc.exe
PID 1140 wrote to memory of 1644	1140	vbc.exe	vbc.exe
PID 1140 wrote to memory of 1644	1140	vbc.exe	vbc.exe
PID 1360 wrote to memory of 1236	1360	Explorer.EXE	rundll32.exe
PID 1360 wrote to memory of 1236	1360	Explorer.EXE	rundll32.exe
PID 1360 wrote to memory of 1236	1360	Explorer.EXE	rundll32.exe
PID 1360 wrote to memory of 1236	1360	Explorer.EXE	rundll32.exe
PID 1360 wrote to memory of 1236	1360	Explorer.EXE	rundll32.exe
PID 1360 wrote to memory of 1236	1360	Explorer.EXE	rundll32.exe
PID 1360 wrote to memory of 1236	1360	Explorer.EXE	rundll32.exe
PID 1236 wrote to memory of 1608	1236	rundll32.exe	cmd.exe
PID 1236 wrote to memory of 1608	1236	rundll32.exe	cmd.exe
PID 1236 wrote to memory of 1608	1236	rundll32.exe	cmd.exe
PID 1236 wrote to memory of 1608	1236	rundll32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360

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:1720

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1608

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:864

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1140

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pZwlVIRL.exe"
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1292

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pZwlVIRL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA01.tmp"
3⤵
- Creates scheduled task(s)
PID:1688

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:1644

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\tmpEA01.tmp
MD5
dfcbb5594aa082a044916fdc0592bcfc

SHA1
27d93b2056936d7777b3677ff6de18e27011e6a2

SHA256
5fe30f76e6113796602ca215fe5f39f27f82e0529b13fddf5626979d5a41105b

SHA512
785544b67b2b98d697b07cfe9f1f42b9db154568aab3e1fa712e02c597111b163b9ab646f6823bb94df444bcc7d5eb725ac8a0a5418cf6629ed0843c416e4775

Download Submit
C:\Users\Public\vbc.exe
MD5
4046b8ca88cdab84c7414a71f2431485

SHA1
418ef8407df18bf53b24e85d2b9534f04fbbd109

SHA256
b63c82c7ada645bc96da74ebd031970c0ee2e7a568c2929181c146144682b2c3

SHA512
5641b9c7a57945b40886b648044fd3bcdc4c8e16d83141e10643aa30802ec350d39fb8ce089286e5df1ff137588f2dd61ce6477e808cab5bdf95edbc8859eec7

Download Submit
C:\Users\Public\vbc.exe
MD5
4046b8ca88cdab84c7414a71f2431485

SHA1
418ef8407df18bf53b24e85d2b9534f04fbbd109

SHA256
b63c82c7ada645bc96da74ebd031970c0ee2e7a568c2929181c146144682b2c3

SHA512
5641b9c7a57945b40886b648044fd3bcdc4c8e16d83141e10643aa30802ec350d39fb8ce089286e5df1ff137588f2dd61ce6477e808cab5bdf95edbc8859eec7

Download Submit
C:\Users\Public\vbc.exe
MD5
4046b8ca88cdab84c7414a71f2431485

SHA1
418ef8407df18bf53b24e85d2b9534f04fbbd109

SHA256
b63c82c7ada645bc96da74ebd031970c0ee2e7a568c2929181c146144682b2c3

SHA512
5641b9c7a57945b40886b648044fd3bcdc4c8e16d83141e10643aa30802ec350d39fb8ce089286e5df1ff137588f2dd61ce6477e808cab5bdf95edbc8859eec7

Download Submit
\Users\Public\vbc.exe
MD5
4046b8ca88cdab84c7414a71f2431485

SHA1
418ef8407df18bf53b24e85d2b9534f04fbbd109

SHA256
b63c82c7ada645bc96da74ebd031970c0ee2e7a568c2929181c146144682b2c3

SHA512
5641b9c7a57945b40886b648044fd3bcdc4c8e16d83141e10643aa30802ec350d39fb8ce089286e5df1ff137588f2dd61ce6477e808cab5bdf95edbc8859eec7

Download Submit
\Users\Public\vbc.exe
MD5
4046b8ca88cdab84c7414a71f2431485

SHA1
418ef8407df18bf53b24e85d2b9534f04fbbd109

SHA256
b63c82c7ada645bc96da74ebd031970c0ee2e7a568c2929181c146144682b2c3

SHA512
5641b9c7a57945b40886b648044fd3bcdc4c8e16d83141e10643aa30802ec350d39fb8ce089286e5df1ff137588f2dd61ce6477e808cab5bdf95edbc8859eec7

Download Submit
\Users\Public\vbc.exe
MD5
4046b8ca88cdab84c7414a71f2431485

SHA1
418ef8407df18bf53b24e85d2b9534f04fbbd109

SHA256
b63c82c7ada645bc96da74ebd031970c0ee2e7a568c2929181c146144682b2c3

SHA512
5641b9c7a57945b40886b648044fd3bcdc4c8e16d83141e10643aa30802ec350d39fb8ce089286e5df1ff137588f2dd61ce6477e808cab5bdf95edbc8859eec7

Download Submit
\Users\Public\vbc.exe
MD5
4046b8ca88cdab84c7414a71f2431485

SHA1
418ef8407df18bf53b24e85d2b9534f04fbbd109

SHA256
b63c82c7ada645bc96da74ebd031970c0ee2e7a568c2929181c146144682b2c3

SHA512
5641b9c7a57945b40886b648044fd3bcdc4c8e16d83141e10643aa30802ec350d39fb8ce089286e5df1ff137588f2dd61ce6477e808cab5bdf95edbc8859eec7

Download Submit
memory/1140-65-0x0000000001270000-0x0000000001344000-memory.dmp

Filesize
848KB

Download
memory/1140-67-0x0000000004F30000-0x0000000004F31000-memory.dmp

Filesize
4KB

Download
memory/1140-68-0x00000000009A0000-0x00000000009AE000-memory.dmp

Filesize
56KB

Download
memory/1140-69-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/1140-70-0x0000000005830000-0x00000000058E0000-memory.dmp

Filesize
704KB

Download
memory/1236-88-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/1236-89-0x0000000001F80000-0x0000000002283000-memory.dmp

Filesize
3.0MB

Download
memory/1236-90-0x0000000002290000-0x0000000002323000-memory.dmp

Filesize
588KB

Download
memory/1236-87-0x0000000000710000-0x000000000071E000-memory.dmp

Filesize
56KB

Download
memory/1292-84-0x0000000001DF1000-0x0000000001DF2000-memory.dmp

Filesize
4KB

Download
memory/1292-79-0x0000000001DF0000-0x0000000001DF1000-memory.dmp

Filesize
4KB

Download
memory/1292-85-0x0000000001DF2000-0x0000000001DF4000-memory.dmp

Filesize
8KB

Download
memory/1360-92-0x0000000004EF0000-0x0000000004FDD000-memory.dmp

Filesize
948KB

Download
memory/1360-83-0x0000000006DF0000-0x0000000006F7F000-memory.dmp

Filesize
1.6MB

Download
memory/1644-76-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1644-80-0x0000000000940000-0x0000000000C43000-memory.dmp

Filesize
3.0MB

Download
memory/1644-82-0x00000000003D0000-0x00000000003E4000-memory.dmp

Filesize
80KB

Download
memory/1644-77-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1644-75-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1720-54-0x000000002F651000-0x000000002F654000-memory.dmp

Filesize
12KB

Download
memory/1720-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1720-55-0x0000000070D61000-0x0000000070D63000-memory.dmp

Filesize
8KB

Download
memory/1720-91-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1720-57-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads