formbook | 4d42a8ac965539112d0afb5f75d6c2c28f44d80d8441bdb3a4ab890275d9cd84

General

Target

Shipment_Documents_(BL_PL___INV).xlsx
Size

227KB
MD5

8580b837d36557eb8c3f427d09516ac2
SHA1

6be039af32e0308859330f02679d90fcaf2c1a7a
SHA256

4d42a8ac965539112d0afb5f75d6c2c28f44d80d8441bdb3a4ab890275d9cd84
SHA512

7e98d79c29fa709417197a0bb06a9ae91a29daadb7787a932c2151c4cd16e587a6b24497b5a1e83bc502350339f11a43194c035a09e16613f3b717ba3b39bbe8

Score

10^/10

formbook kzk9 rat spyware stealer suricata 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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1596-75-0x000000000041EB80-mapping.dmp	formbook
behavioral1/memory/1596-74-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1596-81-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1440-88-0x00000000000D0000-0x00000000000FE000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 1464 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

2016 vbc.exe
1596 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

1464 EQNEDT32.EXE
1464 EQNEDT32.EXE
1464 EQNEDT32.EXE
1464 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	1464	EQNEDT32.EXE

pid	process
1464	EQNEDT32.EXE
1464	EQNEDT32.EXE
1464	EQNEDT32.EXE
1464	EQNEDT32.EXE

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exevbc.exerundll32.exe

description	pid	process	target process
PID 2016 set thread context of 1596	2016	vbc.exe	vbc.exe
PID 1596 set thread context of 1268	1596	vbc.exe	Explorer.EXE
PID 1596 set thread context of 1268	1596	vbc.exe	Explorer.EXE
PID 1440 set thread context of 1268	1440	rundll32.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

1464 EQNEDT32.EXE

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

pid	process
1464	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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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	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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\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-1-5-21-2955169046-2371869340-1800780948-1000\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\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	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\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
Key created	\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\edit	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\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	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1520 EXCEL.EXE

pid	process
1520	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

vbc.exevbc.exerundll32.exe

pid	process
2016	vbc.exe
2016	vbc.exe
2016	vbc.exe
2016	vbc.exe
2016	vbc.exe
2016	vbc.exe
1596	vbc.exe
1596	vbc.exe
1596	vbc.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe
1440	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

vbc.exerundll32.exe

pid process

1596 vbc.exe
1596 vbc.exe
1596 vbc.exe
1596 vbc.exe
1440 rundll32.exe
1440 rundll32.exe

pid	process
1268	Explorer.EXE

pid	process
1596	vbc.exe
1596	vbc.exe
1596	vbc.exe
1596	vbc.exe
1440	rundll32.exe
1440	rundll32.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

vbc.exevbc.exerundll32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2016	vbc.exe
Token: SeDebugPrivilege	1596	vbc.exe
Token: SeDebugPrivilege	1440	rundll32.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

1520 EXCEL.EXE
1520 EXCEL.EXE
1520 EXCEL.EXE

pid	process
1520	EXCEL.EXE
1520	EXCEL.EXE
1520	EXCEL.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 1464 wrote to memory of 2016	1464	EQNEDT32.EXE	vbc.exe
PID 1464 wrote to memory of 2016	1464	EQNEDT32.EXE	vbc.exe
PID 1464 wrote to memory of 2016	1464	EQNEDT32.EXE	vbc.exe
PID 1464 wrote to memory of 2016	1464	EQNEDT32.EXE	vbc.exe
PID 2016 wrote to memory of 1596	2016	vbc.exe	vbc.exe
PID 2016 wrote to memory of 1596	2016	vbc.exe	vbc.exe
PID 2016 wrote to memory of 1596	2016	vbc.exe	vbc.exe
PID 2016 wrote to memory of 1596	2016	vbc.exe	vbc.exe
PID 2016 wrote to memory of 1596	2016	vbc.exe	vbc.exe
PID 2016 wrote to memory of 1596	2016	vbc.exe	vbc.exe
PID 2016 wrote to memory of 1596	2016	vbc.exe	vbc.exe
PID 1268 wrote to memory of 1440	1268	Explorer.EXE	rundll32.exe
PID 1268 wrote to memory of 1440	1268	Explorer.EXE	rundll32.exe
PID 1268 wrote to memory of 1440	1268	Explorer.EXE	rundll32.exe
PID 1268 wrote to memory of 1440	1268	Explorer.EXE	rundll32.exe
PID 1268 wrote to memory of 1440	1268	Explorer.EXE	rundll32.exe
PID 1268 wrote to memory of 1440	1268	Explorer.EXE	rundll32.exe
PID 1268 wrote to memory of 1440	1268	Explorer.EXE	rundll32.exe
PID 1440 wrote to memory of 1524	1440	rundll32.exe	cmd.exe
PID 1440 wrote to memory of 1524	1440	rundll32.exe	cmd.exe
PID 1440 wrote to memory of 1524	1440	rundll32.exe	cmd.exe
PID 1440 wrote to memory of 1524	1440	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: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\Shipment_Documents_(BL_PL___INV).xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1520

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
2⤵
PID:884

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:1440

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1524

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:1464

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:2016

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:1596

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

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Downloads

C:\Users\Public\vbc.exe
MD5
e4d7d5ac2503edeb43a3f23dbf9df712

SHA1
48880e898555ba12e4b82269fb9d3da16887e563

SHA256
a76bc61b4e3ea4737aa3ea25261bffb7ec779b201b80940df918c8d795007d95

SHA512
3ce9d7dc5ff742dd3d3691e83ca18f926efbd522281472e2e9f3708c300f0cc239595d8876f10d4ec52c898f2b1e51f5e126e3229695778c30e504c02291d631

Download Submit
C:\Users\Public\vbc.exe
MD5
e4d7d5ac2503edeb43a3f23dbf9df712

SHA1
48880e898555ba12e4b82269fb9d3da16887e563

SHA256
a76bc61b4e3ea4737aa3ea25261bffb7ec779b201b80940df918c8d795007d95

SHA512
3ce9d7dc5ff742dd3d3691e83ca18f926efbd522281472e2e9f3708c300f0cc239595d8876f10d4ec52c898f2b1e51f5e126e3229695778c30e504c02291d631

Download Submit
C:\Users\Public\vbc.exe
MD5
e4d7d5ac2503edeb43a3f23dbf9df712

SHA1
48880e898555ba12e4b82269fb9d3da16887e563

SHA256
a76bc61b4e3ea4737aa3ea25261bffb7ec779b201b80940df918c8d795007d95

SHA512
3ce9d7dc5ff742dd3d3691e83ca18f926efbd522281472e2e9f3708c300f0cc239595d8876f10d4ec52c898f2b1e51f5e126e3229695778c30e504c02291d631

Download Submit
\Users\Public\vbc.exe
MD5
e4d7d5ac2503edeb43a3f23dbf9df712

SHA1
48880e898555ba12e4b82269fb9d3da16887e563

SHA256
a76bc61b4e3ea4737aa3ea25261bffb7ec779b201b80940df918c8d795007d95

SHA512
3ce9d7dc5ff742dd3d3691e83ca18f926efbd522281472e2e9f3708c300f0cc239595d8876f10d4ec52c898f2b1e51f5e126e3229695778c30e504c02291d631

Download Submit
\Users\Public\vbc.exe
MD5
e4d7d5ac2503edeb43a3f23dbf9df712

SHA1
48880e898555ba12e4b82269fb9d3da16887e563

SHA256
a76bc61b4e3ea4737aa3ea25261bffb7ec779b201b80940df918c8d795007d95

SHA512
3ce9d7dc5ff742dd3d3691e83ca18f926efbd522281472e2e9f3708c300f0cc239595d8876f10d4ec52c898f2b1e51f5e126e3229695778c30e504c02291d631

Download Submit
\Users\Public\vbc.exe
MD5
e4d7d5ac2503edeb43a3f23dbf9df712

SHA1
48880e898555ba12e4b82269fb9d3da16887e563

SHA256
a76bc61b4e3ea4737aa3ea25261bffb7ec779b201b80940df918c8d795007d95

SHA512
3ce9d7dc5ff742dd3d3691e83ca18f926efbd522281472e2e9f3708c300f0cc239595d8876f10d4ec52c898f2b1e51f5e126e3229695778c30e504c02291d631

Download Submit
\Users\Public\vbc.exe
MD5
e4d7d5ac2503edeb43a3f23dbf9df712

SHA1
48880e898555ba12e4b82269fb9d3da16887e563

SHA256
a76bc61b4e3ea4737aa3ea25261bffb7ec779b201b80940df918c8d795007d95

SHA512
3ce9d7dc5ff742dd3d3691e83ca18f926efbd522281472e2e9f3708c300f0cc239595d8876f10d4ec52c898f2b1e51f5e126e3229695778c30e504c02291d631

Download Submit
memory/884-70-0x000007FEFC371000-0x000007FEFC373000-memory.dmp

Filesize
8KB

Download
memory/1268-80-0x0000000006640000-0x00000000066F8000-memory.dmp

Filesize
736KB

Download
memory/1268-83-0x00000000077E0000-0x0000000008B36000-memory.dmp

Filesize
19.3MB

Download
memory/1268-91-0x0000000006E90000-0x0000000006F37000-memory.dmp

Filesize
668KB

Download
memory/1440-89-0x0000000001F00000-0x0000000002203000-memory.dmp

Filesize
3.0MB

Download
memory/1440-90-0x0000000000930000-0x00000000009C3000-memory.dmp

Filesize
588KB

Download
memory/1440-88-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/1440-87-0x0000000000AF0000-0x0000000000AFE000-memory.dmp

Filesize
56KB

Download
memory/1440-84-0x0000000000000000-mapping.dmp

Download
memory/1464-58-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download
memory/1520-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1520-55-0x000000002FE41000-0x000000002FE44000-memory.dmp

Filesize
12KB

Download
memory/1520-56-0x0000000071B61000-0x0000000071B63000-memory.dmp

Filesize
8KB

Download
memory/1524-86-0x0000000000000000-mapping.dmp

Download
memory/1596-72-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1596-79-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/1596-78-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/1596-81-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1596-74-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1596-82-0x00000000002D0000-0x00000000002E4000-memory.dmp

Filesize
80KB

Download
memory/1596-75-0x000000000041EB80-mapping.dmp

Download
memory/1596-73-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2016-71-0x0000000004750000-0x000000000479A000-memory.dmp

Filesize
296KB

Download
memory/2016-69-0x00000000008D0000-0x00000000008D5000-memory.dmp

Filesize
20KB

Download
memory/2016-68-0x00000000047A0000-0x00000000047A1000-memory.dmp

Filesize
4KB

Download
memory/2016-66-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2016-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads