formbook | b3fa553cff94ab55216e60ff9a5e9ff3e759df1ee58329b55ea2b3536606ad03

General

Target

Airway bill# 7899865792021.xlsx
Size

275KB
MD5

1f1ae285eaffcccd4e513f66863b313e
SHA1

7a00805c9633b442aa97f633f13fb8032e80195c
SHA256

b3fa553cff94ab55216e60ff9a5e9ff3e759df1ee58329b55ea2b3536606ad03
SHA512

d1c4cb697503a0765d968f3fe228b650671cc7fed08e8bb64636bc6ce94664c4b91904d93947892805c19fd308e52a6f0f8ec61991d27a2221535571d958cbdd

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2012-71-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2012-72-0x000000000041EB80-mapping.dmp	formbook
behavioral1/memory/2012-78-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1788-85-0x00000000000D0000-0x00000000000FE000-memory.dmp	formbook

Blocklisted process makes network request 3 IoCs

Processes:

EQNEDT32.EXE

flow pid process

5 580 EQNEDT32.EXE
7 580 EQNEDT32.EXE
8 580 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1096 vbc.exe
2012 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

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

Scripting
T1064

flow	pid	process
5	580	EQNEDT32.EXE
7	580	EQNEDT32.EXE
8	580	EQNEDT32.EXE

pid	process
580	EQNEDT32.EXE
580	EQNEDT32.EXE
580	EQNEDT32.EXE
580	EQNEDT32.EXE

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exevbc.exemsdt.exe

description	pid	process	target process
PID 1096 set thread context of 2012	1096	vbc.exe	vbc.exe
PID 2012 set thread context of 1272	2012	vbc.exe	Explorer.EXE
PID 2012 set thread context of 1272	2012	vbc.exe	Explorer.EXE
PID 1788 set thread context of 1272	1788	msdt.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

580 EQNEDT32.EXE

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

pid	process
580	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
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	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
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 HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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 HTML Editor\shell	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\shell	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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	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 (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 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\edit	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\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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	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 created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\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 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\COMMAND	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\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\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open"	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\Excel.exe\shell\edit\ddeexec	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	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\mhtmlfile\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	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\.htm\OpenWithList	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\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment"	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print"	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\Excel.exe\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	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 Publisher	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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\OpenWithList\Excel.exe\shell\edit\ddeexec\application	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application	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\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\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\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1188 EXCEL.EXE

pid	process
1188	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

vbc.exevbc.exemsdt.exe

pid	process
1096	vbc.exe
1096	vbc.exe
1096	vbc.exe
1096	vbc.exe
1096	vbc.exe
1096	vbc.exe
1096	vbc.exe
2012	vbc.exe
2012	vbc.exe
2012	vbc.exe
1788	msdt.exe
1788	msdt.exe
1788	msdt.exe
1788	msdt.exe
1788	msdt.exe
1788	msdt.exe
1788	msdt.exe
1788	msdt.exe
1788	msdt.exe
1788	msdt.exe
1788	msdt.exe
1788	msdt.exe
1788	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1272 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

vbc.exemsdt.exe

pid process

2012 vbc.exe
2012 vbc.exe
2012 vbc.exe
2012 vbc.exe
1788 msdt.exe
1788 msdt.exe

pid	process
1272	Explorer.EXE

pid	process
2012	vbc.exe
2012	vbc.exe
2012	vbc.exe
2012	vbc.exe
1788	msdt.exe
1788	msdt.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

vbc.exevbc.exemsdt.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1096	vbc.exe
Token: SeDebugPrivilege	2012	vbc.exe
Token: SeDebugPrivilege	1788	msdt.exe
Token: SeShutdownPrivilege	1272	Explorer.EXE
Token: SeShutdownPrivilege	1272	Explorer.EXE
Token: SeShutdownPrivilege	1272	Explorer.EXE
Token: SeShutdownPrivilege	1272	Explorer.EXE
Token: SeShutdownPrivilege	1272	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1188 EXCEL.EXE
1188 EXCEL.EXE
1188 EXCEL.EXE

pid	process
1188	EXCEL.EXE
1188	EXCEL.EXE
1188	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EQNEDT32.EXEvbc.exevbc.exemsdt.exe

description	pid	process	target process
PID 580 wrote to memory of 1096	580	EQNEDT32.EXE	vbc.exe
PID 580 wrote to memory of 1096	580	EQNEDT32.EXE	vbc.exe
PID 580 wrote to memory of 1096	580	EQNEDT32.EXE	vbc.exe
PID 580 wrote to memory of 1096	580	EQNEDT32.EXE	vbc.exe
PID 1096 wrote to memory of 2012	1096	vbc.exe	vbc.exe
PID 1096 wrote to memory of 2012	1096	vbc.exe	vbc.exe
PID 1096 wrote to memory of 2012	1096	vbc.exe	vbc.exe
PID 1096 wrote to memory of 2012	1096	vbc.exe	vbc.exe
PID 1096 wrote to memory of 2012	1096	vbc.exe	vbc.exe
PID 1096 wrote to memory of 2012	1096	vbc.exe	vbc.exe
PID 1096 wrote to memory of 2012	1096	vbc.exe	vbc.exe
PID 2012 wrote to memory of 1788	2012	vbc.exe	msdt.exe
PID 2012 wrote to memory of 1788	2012	vbc.exe	msdt.exe
PID 2012 wrote to memory of 1788	2012	vbc.exe	msdt.exe
PID 2012 wrote to memory of 1788	2012	vbc.exe	msdt.exe
PID 1788 wrote to memory of 760	1788	msdt.exe	cmd.exe
PID 1788 wrote to memory of 760	1788	msdt.exe	cmd.exe
PID 1788 wrote to memory of 760	1788	msdt.exe	cmd.exe
PID 1788 wrote to memory of 760	1788	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1272

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\Airway bill# 7899865792021.xlsx"
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1188

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:580

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:1096

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
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
5⤵
PID:760

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
655400c95408ab33a90686b581a100d0

SHA1
a4974a824b80db98d20dc11893cd958a937f6078

SHA256
a0cea434baf3e56def0762e975e5c623c47f5ed75edbb6826ee594e260832c31

SHA512
ba2e84679fab21e39381b42aae91cb538de922e5a4770e061c40904028a2347e6b324bd49aba37e846c85b1309da6e4b9c4ee9b4c672ccf4be4ed73c9af6c5d7

Download Submit
C:\Users\Public\vbc.exe
MD5
655400c95408ab33a90686b581a100d0

SHA1
a4974a824b80db98d20dc11893cd958a937f6078

SHA256
a0cea434baf3e56def0762e975e5c623c47f5ed75edbb6826ee594e260832c31

SHA512
ba2e84679fab21e39381b42aae91cb538de922e5a4770e061c40904028a2347e6b324bd49aba37e846c85b1309da6e4b9c4ee9b4c672ccf4be4ed73c9af6c5d7

Download Submit
C:\Users\Public\vbc.exe
MD5
655400c95408ab33a90686b581a100d0

SHA1
a4974a824b80db98d20dc11893cd958a937f6078

SHA256
a0cea434baf3e56def0762e975e5c623c47f5ed75edbb6826ee594e260832c31

SHA512
ba2e84679fab21e39381b42aae91cb538de922e5a4770e061c40904028a2347e6b324bd49aba37e846c85b1309da6e4b9c4ee9b4c672ccf4be4ed73c9af6c5d7

Download Submit
\Users\Public\vbc.exe
MD5
655400c95408ab33a90686b581a100d0

SHA1
a4974a824b80db98d20dc11893cd958a937f6078

SHA256
a0cea434baf3e56def0762e975e5c623c47f5ed75edbb6826ee594e260832c31

SHA512
ba2e84679fab21e39381b42aae91cb538de922e5a4770e061c40904028a2347e6b324bd49aba37e846c85b1309da6e4b9c4ee9b4c672ccf4be4ed73c9af6c5d7

Download Submit
\Users\Public\vbc.exe
MD5
655400c95408ab33a90686b581a100d0

SHA1
a4974a824b80db98d20dc11893cd958a937f6078

SHA256
a0cea434baf3e56def0762e975e5c623c47f5ed75edbb6826ee594e260832c31

SHA512
ba2e84679fab21e39381b42aae91cb538de922e5a4770e061c40904028a2347e6b324bd49aba37e846c85b1309da6e4b9c4ee9b4c672ccf4be4ed73c9af6c5d7

Download Submit
\Users\Public\vbc.exe
MD5
655400c95408ab33a90686b581a100d0

SHA1
a4974a824b80db98d20dc11893cd958a937f6078

SHA256
a0cea434baf3e56def0762e975e5c623c47f5ed75edbb6826ee594e260832c31

SHA512
ba2e84679fab21e39381b42aae91cb538de922e5a4770e061c40904028a2347e6b324bd49aba37e846c85b1309da6e4b9c4ee9b4c672ccf4be4ed73c9af6c5d7

Download Submit
\Users\Public\vbc.exe
MD5
655400c95408ab33a90686b581a100d0

SHA1
a4974a824b80db98d20dc11893cd958a937f6078

SHA256
a0cea434baf3e56def0762e975e5c623c47f5ed75edbb6826ee594e260832c31

SHA512
ba2e84679fab21e39381b42aae91cb538de922e5a4770e061c40904028a2347e6b324bd49aba37e846c85b1309da6e4b9c4ee9b4c672ccf4be4ed73c9af6c5d7

Download Submit
memory/580-56-0x0000000074F81000-0x0000000074F83000-memory.dmp

Filesize
8KB

Download
memory/760-83-0x0000000000000000-mapping.dmp

Download
memory/1096-66-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/1096-64-0x00000000012E0000-0x00000000012E1000-memory.dmp

Filesize
4KB

Download
memory/1096-67-0x00000000004A0000-0x00000000004A8000-memory.dmp

Filesize
32KB

Download
memory/1096-68-0x0000000000F60000-0x0000000000FAF000-memory.dmp

Filesize
316KB

Download
memory/1096-61-0x0000000000000000-mapping.dmp

Download
memory/1188-55-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1188-54-0x0000000071261000-0x0000000071263000-memory.dmp

Filesize
8KB

Download
memory/1188-53-0x000000002F0B1000-0x000000002F0B4000-memory.dmp

Filesize
12KB

Download
memory/1188-88-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1272-77-0x0000000007180000-0x00000000072B4000-memory.dmp

Filesize
1.2MB

Download
memory/1272-89-0x0000000007030000-0x0000000007131000-memory.dmp

Filesize
1.0MB

Download
memory/1272-80-0x0000000007340000-0x00000000074D8000-memory.dmp

Filesize
1.6MB

Download
memory/1788-87-0x00000000020A0000-0x0000000002133000-memory.dmp

Filesize
588KB

Download
memory/1788-84-0x00000000003B0000-0x00000000004A4000-memory.dmp

Filesize
976KB

Download
memory/1788-86-0x00000000022D0000-0x00000000025D3000-memory.dmp

Filesize
3.0MB

Download
memory/1788-85-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/1788-81-0x0000000000000000-mapping.dmp

Download
memory/2012-70-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2012-79-0x00000000004A0000-0x00000000004B4000-memory.dmp

Filesize
80KB

Download
memory/2012-78-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2012-76-0x0000000000460000-0x0000000000474000-memory.dmp

Filesize
80KB

Download
memory/2012-75-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2012-72-0x000000000041EB80-mapping.dmp

Download
memory/2012-71-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2012-69-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads