formbook | 3240a633ef29ef2db485bcdc394e9b09012e9f958a9933076a8aa70f7b0730e0

General

Target

469310514686913b88c9480e8c84039e3866a339e0ed961371fb2d1a8719fb1b.xls
Size

933KB
MD5

19ec50c2819ed32422aac6d2e429fb86
SHA1

38bd74ea54373956224126d28552b6895cd1e1f7
SHA256

469310514686913b88c9480e8c84039e3866a339e0ed961371fb2d1a8719fb1b
SHA512

dfd894a1eaeecf0174896fb638ae47ea32e494b7cda36899852becb7496479a3caad4501e12ce8b2ec5ad47f2b58f4db6af28a9392dd132e3c4368dd1336a2b1
SSDEEP

24576:eLKbSSMMednEu+MXU6akAmmjm7+MXUJ3GX222222222222222222222a22jieKI:eLKlMl+MXZaaow+MXpSeKIA

Score

10^/10

formbook ar73 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ar73

Decoy

classgorilla.com

b6817.com

1wwuwa.top

dgslimited.africa

deepwaterships.com

hkshshoptw.shop

hurricanevalleyatvjamboree.com

ckpconsulting.com

laojiangmath.com

authenticityhacking.com

family-doctor-53205.com

investinstgeorgeut.com

lithoearthsolution.africa

quickhealcareltd.co.uk

delightkgrillw.top

freezeclosettoilet.com

coo1star.com

gemgamut.com

enrichednetworksolutions.com

betterbeeclean.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1284-87-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1284-90-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1284-98-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/592-100-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook
behavioral1/memory/592-102-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

2 436 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

vbc.exe

pid process

1132 vbc.exe
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

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

Scripting
T1064

flow	pid	process
2	436	EQNEDT32.EXE

pid	process
1132	vbc.exe

pid	process
436	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 4 IoCs

Processes:

vbc.exeMSBuild.exeexplorer.exe

description	pid	process	target process
PID 1132 set thread context of 1284	1132	vbc.exe	MSBuild.exe
PID 1284 set thread context of 1256	1284	MSBuild.exe	Explorer.EXE
PID 1284 set thread context of 1256	1284	MSBuild.exe	Explorer.EXE
PID 592 set thread context of 1256	592	explorer.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
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

436 EQNEDT32.EXE

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

pid	process
436	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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	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-1-5-21-1283023626-844874658-3193756055-1000\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 HTML Editor\shell\edit\command	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\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
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\shell	EXCEL.EXE
Key created	\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\edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	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\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key deleted	\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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\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
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

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

948 EXCEL.EXE

pid	process
948	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

powershell.exeMSBuild.exeexplorer.exe

pid	process
1640	powershell.exe
1284	MSBuild.exe
1284	MSBuild.exe
1284	MSBuild.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe
592	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

MSBuild.exeexplorer.exe

pid process

1284 MSBuild.exe
1284 MSBuild.exe
1284 MSBuild.exe
1284 MSBuild.exe
592 explorer.exe
592 explorer.exe

pid	process
1256	Explorer.EXE

pid	process
1284	MSBuild.exe
1284	MSBuild.exe
1284	MSBuild.exe
1284	MSBuild.exe
592	explorer.exe
592	explorer.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

vbc.exepowershell.exeMSBuild.exeexplorer.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1132	vbc.exe
Token: SeDebugPrivilege	1640	powershell.exe
Token: SeDebugPrivilege	1284	MSBuild.exe
Token: SeDebugPrivilege	592	explorer.exe
Token: SeShutdownPrivilege	1256	Explorer.EXE
Token: SeShutdownPrivilege	1256	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

948 EXCEL.EXE
948 EXCEL.EXE
948 EXCEL.EXE

pid	process
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 436 wrote to memory of 1132	436	EQNEDT32.EXE	vbc.exe
PID 436 wrote to memory of 1132	436	EQNEDT32.EXE	vbc.exe
PID 436 wrote to memory of 1132	436	EQNEDT32.EXE	vbc.exe
PID 436 wrote to memory of 1132	436	EQNEDT32.EXE	vbc.exe
PID 436 wrote to memory of 1132	436	EQNEDT32.EXE	vbc.exe
PID 436 wrote to memory of 1132	436	EQNEDT32.EXE	vbc.exe
PID 436 wrote to memory of 1132	436	EQNEDT32.EXE	vbc.exe
PID 1132 wrote to memory of 1640	1132	vbc.exe	powershell.exe
PID 1132 wrote to memory of 1640	1132	vbc.exe	powershell.exe
PID 1132 wrote to memory of 1640	1132	vbc.exe	powershell.exe
PID 1132 wrote to memory of 1640	1132	vbc.exe	powershell.exe
PID 1132 wrote to memory of 1284	1132	vbc.exe	MSBuild.exe
PID 1132 wrote to memory of 1284	1132	vbc.exe	MSBuild.exe
PID 1132 wrote to memory of 1284	1132	vbc.exe	MSBuild.exe
PID 1132 wrote to memory of 1284	1132	vbc.exe	MSBuild.exe
PID 1132 wrote to memory of 1284	1132	vbc.exe	MSBuild.exe
PID 1132 wrote to memory of 1284	1132	vbc.exe	MSBuild.exe
PID 1132 wrote to memory of 1284	1132	vbc.exe	MSBuild.exe
PID 1256 wrote to memory of 592	1256	Explorer.EXE	explorer.exe
PID 1256 wrote to memory of 592	1256	Explorer.EXE	explorer.exe
PID 1256 wrote to memory of 592	1256	Explorer.EXE	explorer.exe
PID 1256 wrote to memory of 592	1256	Explorer.EXE	explorer.exe
PID 592 wrote to memory of 1944	592	explorer.exe	cmd.exe
PID 592 wrote to memory of 1944	592	explorer.exe	cmd.exe
PID 592 wrote to memory of 1944	592	explorer.exe	cmd.exe
PID 592 wrote to memory of 1944	592	explorer.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256

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\469310514686913b88c9480e8c84039e3866a339e0ed961371fb2d1a8719fb1b.xls
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:948

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:592

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
3⤵
PID:1944

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:436

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1132

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1640

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1284

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

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\1F0C5E57.emf
Filesize
1.4MB

MD5
197d701be1df99b08087a2bfbf7e08bb

SHA1
d89b035a0c283d1c3c4af3cd443f9b67a25dd144

SHA256
812ac6359e77b09b88a96da0eebf1e29651798c7f2155489fe165209edbfc791

SHA512
10fccfb459011ece38efea1f91cbee41a4517b1954358220e05133f1ca024c0dbd9b188c54e6590f703b1f926ea39f5c51abc582bb6664719bbd5c715af954fb

Download Submit
C:\Users\Public\vbc.exe
Filesize
731KB

MD5
7c4e7dc9b73afae121b7f83004013971

SHA1
f9690031e5fec4f0379598f03bd395b6714206c0

SHA256
11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d

SHA512
b10cd46dc62a7bf864ea7c036d7ed4c61cfc29c57d8f480b03f58415a5c1e293d68bc9a9748b4c325c6f142d93c5e86084a01079b6542de43fff7f7408672d2b

Download Submit
C:\Users\Public\vbc.exe
Filesize
731KB

MD5
7c4e7dc9b73afae121b7f83004013971

SHA1
f9690031e5fec4f0379598f03bd395b6714206c0

SHA256
11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d

SHA512
b10cd46dc62a7bf864ea7c036d7ed4c61cfc29c57d8f480b03f58415a5c1e293d68bc9a9748b4c325c6f142d93c5e86084a01079b6542de43fff7f7408672d2b

Download Submit
C:\Users\Public\vbc.exe
Filesize
731KB

MD5
7c4e7dc9b73afae121b7f83004013971

SHA1
f9690031e5fec4f0379598f03bd395b6714206c0

SHA256
11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d

SHA512
b10cd46dc62a7bf864ea7c036d7ed4c61cfc29c57d8f480b03f58415a5c1e293d68bc9a9748b4c325c6f142d93c5e86084a01079b6542de43fff7f7408672d2b

Download Submit
\Users\Public\vbc.exe
Filesize
731KB

MD5
7c4e7dc9b73afae121b7f83004013971

SHA1
f9690031e5fec4f0379598f03bd395b6714206c0

SHA256
11f78a6f1d2cc4587778143bdc8b011ca509978c26ba60bd41fe74bd6773444d

SHA512
b10cd46dc62a7bf864ea7c036d7ed4c61cfc29c57d8f480b03f58415a5c1e293d68bc9a9748b4c325c6f142d93c5e86084a01079b6542de43fff7f7408672d2b

Download Submit
memory/592-99-0x0000000000FD0000-0x0000000001251000-memory.dmp

Filesize
2.5MB

Download
memory/592-105-0x0000000000AB0000-0x0000000000B43000-memory.dmp

Filesize
588KB

Download
memory/592-101-0x0000000000C30000-0x0000000000F33000-memory.dmp

Filesize
3.0MB

Download
memory/592-100-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/592-97-0x0000000000FD0000-0x0000000001251000-memory.dmp

Filesize
2.5MB

Download
memory/592-102-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/948-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/948-116-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1132-71-0x0000000000780000-0x00000000007C0000-memory.dmp

Filesize
256KB

Download
memory/1132-79-0x0000000000780000-0x00000000007C0000-memory.dmp

Filesize
256KB

Download
memory/1132-73-0x0000000006440000-0x00000000064D2000-memory.dmp

Filesize
584KB

Download
memory/1132-72-0x00000000067D0000-0x000000000693C000-memory.dmp

Filesize
1.4MB

Download
memory/1132-70-0x0000000000070000-0x000000000012C000-memory.dmp

Filesize
752KB

Download
memory/1256-108-0x0000000006B20000-0x0000000006BD3000-memory.dmp

Filesize
716KB

Download
memory/1256-107-0x0000000006B20000-0x0000000006BD3000-memory.dmp

Filesize
716KB

Download
memory/1256-111-0x0000000006B20000-0x0000000006BD3000-memory.dmp

Filesize
716KB

Download
memory/1256-130-0x000007FF667B0000-0x000007FF667BA000-memory.dmp

Filesize
40KB

Download
memory/1256-96-0x0000000006E60000-0x0000000006F8F000-memory.dmp

Filesize
1.2MB

Download
memory/1256-92-0x0000000007020000-0x00000000071CA000-memory.dmp

Filesize
1.7MB

Download
memory/1284-86-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1284-95-0x00000000002D0000-0x00000000002E4000-memory.dmp

Filesize
80KB

Download
memory/1284-98-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1284-91-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/1284-90-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1284-89-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/1284-87-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1284-85-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1284-84-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1640-82-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1640-81-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1640-80-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1640-78-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1640-77-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1640-76-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads