formbook | fbdb8f368721ccfea456f2e6f232304acff371bdb62a5140b9fc44bd224e0d57

General

Target

Payment_Advise.xlsx
Size

360KB
MD5

34f843f6f1b3011a7cdb63753853ef58
SHA1

922ebd64f7ffe9d8548d467b631f6bdf2ede6106
SHA256

fbdb8f368721ccfea456f2e6f232304acff371bdb62a5140b9fc44bd224e0d57
SHA512

ad644134a1af636fc794b49bd35fecd5c3dc778a3a2d2503b3cb3285da43c26b9e133f0ba6bc7f049032ab395e3e0d41bd371ab30b5ef18515b7390c39f7be73

Score

10^/10

formbook kzk9 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kzk9

C2

http://www.yourmajordomo.com/kzk9/

Decoy

tianconghuo.club

1996-page.com

ourtownmax.net

conservativetreehose.com

synth.repair

donnachicacreperia.com

tentfull.com

weapp.download

surfersink.com

gattlebusinessservices.com

sebastian249.com

anhphuc.company

betternatureproducts.net

defroplate.com

seattlesquidsquad.com

polarjob.com

lendingadvantage.com

angelsondope.com

goportjitney.com

tiendagrupojagr.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/912-72-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/912-73-0x000000000041EB80-mapping.dmp	formbook
behavioral1/memory/1764-81-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 584 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1780 vbc.exe
912 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

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

Scripting
T1064

flow	pid	process
4	584	EQNEDT32.EXE

pid	process
584	EQNEDT32.EXE
584	EQNEDT32.EXE
584	EQNEDT32.EXE
584	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exesystray.exe

description	pid	process	target process
PID 1780 set thread context of 912	1780	vbc.exe	vbc.exe
PID 912 set thread context of 1268	912	vbc.exe	Explorer.EXE
PID 1764 set thread context of 1268	1764	systray.exe	Explorer.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

584 EQNEDT32.EXE

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

pid	process
584	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 33 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXEExplorer.EXE

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.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"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	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 (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&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	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.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"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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\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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar	Explorer.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"	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 created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.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"	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	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXEExplorer.EXE

description	ioc	process
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\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit	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	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	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\mhtmlfile\shell\Edit\ = "&Edit"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	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\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec	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\WinWord.exe	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec	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\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe	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\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\""	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 Excel\shell\edit\ddeexec	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\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel"	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\htmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1496 EXCEL.EXE

pid	process
1496	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 53 IoCs

Processes:

vbc.exevbc.exesystray.exe

pid	process
1780	vbc.exe
1780	vbc.exe
1780	vbc.exe
1780	vbc.exe
1780	vbc.exe
1780	vbc.exe
912	vbc.exe
912	vbc.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe
1764	systray.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exesystray.exe

pid process

912 vbc.exe
912 vbc.exe
912 vbc.exe
1764 systray.exe
1764 systray.exe

pid	process
1268	Explorer.EXE

pid	process
912	vbc.exe
912	vbc.exe
912	vbc.exe
1764	systray.exe
1764	systray.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

vbc.exevbc.exesystray.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1780	vbc.exe
Token: SeDebugPrivilege	912	vbc.exe
Token: SeDebugPrivilege	1764	systray.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
Token: SeShutdownPrivilege	1268	Explorer.EXE
Token: SeShutdownPrivilege	1268	Explorer.EXE
Token: SeShutdownPrivilege	1268	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1496 EXCEL.EXE
1496 EXCEL.EXE
1496 EXCEL.EXE

pid	process
1496	EXCEL.EXE
1496	EXCEL.EXE
1496	EXCEL.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 584 wrote to memory of 1780	584	EQNEDT32.EXE	vbc.exe
PID 584 wrote to memory of 1780	584	EQNEDT32.EXE	vbc.exe
PID 584 wrote to memory of 1780	584	EQNEDT32.EXE	vbc.exe
PID 584 wrote to memory of 1780	584	EQNEDT32.EXE	vbc.exe
PID 1780 wrote to memory of 912	1780	vbc.exe	vbc.exe
PID 1780 wrote to memory of 912	1780	vbc.exe	vbc.exe
PID 1780 wrote to memory of 912	1780	vbc.exe	vbc.exe
PID 1780 wrote to memory of 912	1780	vbc.exe	vbc.exe
PID 1780 wrote to memory of 912	1780	vbc.exe	vbc.exe
PID 1780 wrote to memory of 912	1780	vbc.exe	vbc.exe
PID 1780 wrote to memory of 912	1780	vbc.exe	vbc.exe
PID 1268 wrote to memory of 1764	1268	Explorer.EXE	systray.exe
PID 1268 wrote to memory of 1764	1268	Explorer.EXE	systray.exe
PID 1268 wrote to memory of 1764	1268	Explorer.EXE	systray.exe
PID 1268 wrote to memory of 1764	1268	Explorer.EXE	systray.exe
PID 1764 wrote to memory of 1732	1764	systray.exe	cmd.exe
PID 1764 wrote to memory of 1732	1764	systray.exe	cmd.exe
PID 1764 wrote to memory of 1732	1764	systray.exe	cmd.exe
PID 1764 wrote to memory of 1732	1764	systray.exe	cmd.exe
PID 1268 wrote to memory of 1436	1268	Explorer.EXE	explorer.exe
PID 1268 wrote to memory of 1436	1268	Explorer.EXE	explorer.exe
PID 1268 wrote to memory of 1436	1268	Explorer.EXE	explorer.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- 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\Payment_Advise.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1496

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1764

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1732

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
2⤵
PID:1436

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:584

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1780

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:912

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Public\vbc.exe
MD5
f94dd54fedbdf4f0f6992c781476e4a4

SHA1
93fb57ab3c31b5fa13827670a003ea203ff904d5

SHA256
d9db7f117e5fc750e78b0178003bca82684a2a36f951fa0d3a59a58bd178a302

SHA512
fadf4a955ef4d3d0162c66ac896046177d86b2e9f401e5c02be2b181755827629e617584b853f5f4aa5393391834700ad103cc755e71482b0c3a4b40f7f65ace

Download Submit
C:\Users\Public\vbc.exe
MD5
f94dd54fedbdf4f0f6992c781476e4a4

SHA1
93fb57ab3c31b5fa13827670a003ea203ff904d5

SHA256
d9db7f117e5fc750e78b0178003bca82684a2a36f951fa0d3a59a58bd178a302

SHA512
fadf4a955ef4d3d0162c66ac896046177d86b2e9f401e5c02be2b181755827629e617584b853f5f4aa5393391834700ad103cc755e71482b0c3a4b40f7f65ace

Download Submit
C:\Users\Public\vbc.exe
MD5
f94dd54fedbdf4f0f6992c781476e4a4

SHA1
93fb57ab3c31b5fa13827670a003ea203ff904d5

SHA256
d9db7f117e5fc750e78b0178003bca82684a2a36f951fa0d3a59a58bd178a302

SHA512
fadf4a955ef4d3d0162c66ac896046177d86b2e9f401e5c02be2b181755827629e617584b853f5f4aa5393391834700ad103cc755e71482b0c3a4b40f7f65ace

Download Submit
\Users\Public\vbc.exe
MD5
f94dd54fedbdf4f0f6992c781476e4a4

SHA1
93fb57ab3c31b5fa13827670a003ea203ff904d5

SHA256
d9db7f117e5fc750e78b0178003bca82684a2a36f951fa0d3a59a58bd178a302

SHA512
fadf4a955ef4d3d0162c66ac896046177d86b2e9f401e5c02be2b181755827629e617584b853f5f4aa5393391834700ad103cc755e71482b0c3a4b40f7f65ace

Download Submit
\Users\Public\vbc.exe
MD5
f94dd54fedbdf4f0f6992c781476e4a4

SHA1
93fb57ab3c31b5fa13827670a003ea203ff904d5

SHA256
d9db7f117e5fc750e78b0178003bca82684a2a36f951fa0d3a59a58bd178a302

SHA512
fadf4a955ef4d3d0162c66ac896046177d86b2e9f401e5c02be2b181755827629e617584b853f5f4aa5393391834700ad103cc755e71482b0c3a4b40f7f65ace

Download Submit
\Users\Public\vbc.exe
MD5
f94dd54fedbdf4f0f6992c781476e4a4

SHA1
93fb57ab3c31b5fa13827670a003ea203ff904d5

SHA256
d9db7f117e5fc750e78b0178003bca82684a2a36f951fa0d3a59a58bd178a302

SHA512
fadf4a955ef4d3d0162c66ac896046177d86b2e9f401e5c02be2b181755827629e617584b853f5f4aa5393391834700ad103cc755e71482b0c3a4b40f7f65ace

Download Submit
\Users\Public\vbc.exe
MD5
f94dd54fedbdf4f0f6992c781476e4a4

SHA1
93fb57ab3c31b5fa13827670a003ea203ff904d5

SHA256
d9db7f117e5fc750e78b0178003bca82684a2a36f951fa0d3a59a58bd178a302

SHA512
fadf4a955ef4d3d0162c66ac896046177d86b2e9f401e5c02be2b181755827629e617584b853f5f4aa5393391834700ad103cc755e71482b0c3a4b40f7f65ace

Download Submit
memory/584-57-0x0000000075871000-0x0000000075873000-memory.dmp

Filesize
8KB

Download
memory/912-70-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/912-76-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/912-77-0x0000000000210000-0x0000000000224000-memory.dmp

Filesize
80KB

Download
memory/912-73-0x000000000041EB80-mapping.dmp

Download
memory/912-72-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/912-71-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1268-78-0x0000000004E60000-0x0000000004F5F000-memory.dmp

Filesize
1020KB

Download
memory/1268-86-0x0000000006B60000-0x0000000006C11000-memory.dmp

Filesize
708KB

Download
memory/1436-87-0x0000000000000000-mapping.dmp

Download
memory/1436-88-0x000007FEFB541000-0x000007FEFB543000-memory.dmp

Filesize
8KB

Download
memory/1496-85-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1496-55-0x0000000070D31000-0x0000000070D33000-memory.dmp

Filesize
8KB

Download
memory/1496-54-0x000000002FA21000-0x000000002FA24000-memory.dmp

Filesize
12KB

Download
memory/1496-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1732-83-0x0000000000000000-mapping.dmp

Download
memory/1764-80-0x0000000000E30000-0x0000000000E35000-memory.dmp

Filesize
20KB

Download
memory/1764-79-0x0000000000000000-mapping.dmp

Download
memory/1764-81-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/1764-82-0x0000000002240000-0x0000000002543000-memory.dmp

Filesize
3.0MB

Download
memory/1764-84-0x00000000004D0000-0x0000000000563000-memory.dmp

Filesize
588KB

Download
memory/1780-69-0x00000000048C0000-0x000000000490F000-memory.dmp

Filesize
316KB

Download
memory/1780-68-0x00000000004A0000-0x00000000004A7000-memory.dmp

Filesize
28KB

Download
memory/1780-67-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/1780-65-0x0000000001030000-0x0000000001031000-memory.dmp

Filesize
4KB

Download
memory/1780-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads