formbook | e33e207971d05a656690c2ebd86e3f090f3e50d37b16320a69bc5c92f4402cd5

General

Target

Video clip.MP4.xls
Size

1.0MB
MD5

121e603042747acbd8d1fb2c55eaf080
SHA1

4a3d57363b240fd6644d9bc0f6abca7ec9cf3992
SHA256

e33e207971d05a656690c2ebd86e3f090f3e50d37b16320a69bc5c92f4402cd5
SHA512

d18c5dd7c620ab6827547bdf671cae9ae7809d2399650c45eb85809d7b81cff3e5a6ddd38b51eb2b93acd0ff400732b3a5de2325803d09ec92539e39e7c898b0
SSDEEP

24576:tr5XXXXXXXXXXXXUXXXXXXXSXXXXXXXX9mur5XXXXXXXXXXXXUXXXXXXXSXXXXXo:UPTKo

Score

10^/10

formbook do25 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

do25

Decoy

nickifarina.site

nfptrwge.bar

nobreemporio.com

split-acres.com

sharingservice-act.com

nakedinktees.shop

zhensheng1988.com

ipiton.com

liftoffdigitalmarketing.com

karen.cool

theprotestantchurch.com

shirhadarr.com

azdtwp.com

comzestdent.com

jnsjh.com

in-heat-cool.com

dfefej.top

tumingchun.com

eisei-shouji.tokyo

sparecreeping.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/556-76-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/556-77-0x000000000041F160-mapping.dmp	formbook
behavioral1/memory/556-80-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1948-87-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/1948-90-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 1528 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1396 vbc.exe
556 vbc.exe
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

1528 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
3	1528	EQNEDT32.EXE

pid	process
1396	vbc.exe
556	vbc.exe

pid	process
1528	EQNEDT32.EXE

Drops file in System32 directory 1 IoCs

Processes:

powershell.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exeNAPSTAT.EXE

description	pid	process	target process
PID 1396 set thread context of 556	1396	vbc.exe	vbc.exe
PID 556 set thread context of 1220	556	vbc.exe	Explorer.EXE
PID 1948 set thread context of 1220	1948	NAPSTAT.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

1528 EQNEDT32.EXE

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

pid	process
1528	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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	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\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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
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
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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\edit	EXCEL.EXE
Key deleted	\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\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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 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\shell	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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\edit\COMMAND	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

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1644 EXCEL.EXE

pid	process
1644	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

powershell.exevbc.exeNAPSTAT.EXE

pid	process
552	powershell.exe
556	vbc.exe
556	vbc.exe
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exeNAPSTAT.EXE

pid process

556 vbc.exe
556 vbc.exe
556 vbc.exe
1948 NAPSTAT.EXE
1948 NAPSTAT.EXE

pid	process
556	vbc.exe
556	vbc.exe
556	vbc.exe
1948	NAPSTAT.EXE
1948	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

vbc.exepowershell.exevbc.exeNAPSTAT.EXEExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1396	vbc.exe
Token: SeDebugPrivilege	552	powershell.exe
Token: SeDebugPrivilege	556	vbc.exe
Token: SeDebugPrivilege	1948	NAPSTAT.EXE
Token: SeShutdownPrivilege	1220	Explorer.EXE
Token: SeShutdownPrivilege	1220	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1644 EXCEL.EXE
1644 EXCEL.EXE
1644 EXCEL.EXE

pid	process
1644	EXCEL.EXE
1644	EXCEL.EXE
1644	EXCEL.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXENAPSTAT.EXE

description	pid	process	target process
PID 1528 wrote to memory of 1396	1528	EQNEDT32.EXE	vbc.exe
PID 1528 wrote to memory of 1396	1528	EQNEDT32.EXE	vbc.exe
PID 1528 wrote to memory of 1396	1528	EQNEDT32.EXE	vbc.exe
PID 1528 wrote to memory of 1396	1528	EQNEDT32.EXE	vbc.exe
PID 1396 wrote to memory of 552	1396	vbc.exe	powershell.exe
PID 1396 wrote to memory of 552	1396	vbc.exe	powershell.exe
PID 1396 wrote to memory of 552	1396	vbc.exe	powershell.exe
PID 1396 wrote to memory of 552	1396	vbc.exe	powershell.exe
PID 1396 wrote to memory of 556	1396	vbc.exe	vbc.exe
PID 1396 wrote to memory of 556	1396	vbc.exe	vbc.exe
PID 1396 wrote to memory of 556	1396	vbc.exe	vbc.exe
PID 1396 wrote to memory of 556	1396	vbc.exe	vbc.exe
PID 1396 wrote to memory of 556	1396	vbc.exe	vbc.exe
PID 1396 wrote to memory of 556	1396	vbc.exe	vbc.exe
PID 1396 wrote to memory of 556	1396	vbc.exe	vbc.exe
PID 1220 wrote to memory of 1948	1220	Explorer.EXE	NAPSTAT.EXE
PID 1220 wrote to memory of 1948	1220	Explorer.EXE	NAPSTAT.EXE
PID 1220 wrote to memory of 1948	1220	Explorer.EXE	NAPSTAT.EXE
PID 1220 wrote to memory of 1948	1220	Explorer.EXE	NAPSTAT.EXE
PID 1948 wrote to memory of 1700	1948	NAPSTAT.EXE	cmd.exe
PID 1948 wrote to memory of 1700	1948	NAPSTAT.EXE	cmd.exe
PID 1948 wrote to memory of 1700	1948	NAPSTAT.EXE	cmd.exe
PID 1948 wrote to memory of 1700	1948	NAPSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220

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\Video clip.MP4.xls"
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1644

C:\Windows\SysWOW64\NAPSTAT.EXE
"C:\Windows\SysWOW64\NAPSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1700

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:1528

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:1396

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:552

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:556

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

Scripting

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\vbc.exe

Filesize
6KB

MD5
d2b6ec246c1627c4eff844ec15de05b2

SHA1
252ed9f325c178cc4e054fbbad59b68e27728439

SHA256
502f5ca3567e3c23c443376a14c0e4e86ec453e37696f12d723aab77e332a46e

SHA512
e6c07de510ffc22447fd76b77c41631a6d060c3b2d4971ef8cd92260c9f69842b8e621bb7c28a29ebf3960bf61e26c6b3107b97eebcdb738b1bdb853c913d2ac

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

Filesize
6KB

MD5
d2b6ec246c1627c4eff844ec15de05b2

SHA1
252ed9f325c178cc4e054fbbad59b68e27728439

SHA256
502f5ca3567e3c23c443376a14c0e4e86ec453e37696f12d723aab77e332a46e

SHA512
e6c07de510ffc22447fd76b77c41631a6d060c3b2d4971ef8cd92260c9f69842b8e621bb7c28a29ebf3960bf61e26c6b3107b97eebcdb738b1bdb853c913d2ac

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

Filesize
6KB

MD5
d2b6ec246c1627c4eff844ec15de05b2

SHA1
252ed9f325c178cc4e054fbbad59b68e27728439

SHA256
502f5ca3567e3c23c443376a14c0e4e86ec453e37696f12d723aab77e332a46e

SHA512
e6c07de510ffc22447fd76b77c41631a6d060c3b2d4971ef8cd92260c9f69842b8e621bb7c28a29ebf3960bf61e26c6b3107b97eebcdb738b1bdb853c913d2ac

Download Submit
\Users\Public\vbc.exe

Filesize
6KB

MD5
d2b6ec246c1627c4eff844ec15de05b2

SHA1
252ed9f325c178cc4e054fbbad59b68e27728439

SHA256
502f5ca3567e3c23c443376a14c0e4e86ec453e37696f12d723aab77e332a46e

SHA512
e6c07de510ffc22447fd76b77c41631a6d060c3b2d4971ef8cd92260c9f69842b8e621bb7c28a29ebf3960bf61e26c6b3107b97eebcdb738b1bdb853c913d2ac

Download Submit
memory/552-68-0x0000000000000000-mapping.dmp

Download
memory/552-70-0x0000000004C30000-0x0000000004F02000-memory.dmp

Filesize
2.8MB

Download
memory/552-72-0x00000000664E0000-0x0000000066A8B000-memory.dmp

Filesize
5.7MB

Download
memory/552-71-0x00000000664E0000-0x0000000066A8B000-memory.dmp

Filesize
5.7MB

Download
memory/556-77-0x000000000041F160-mapping.dmp

Download
memory/556-80-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/556-82-0x00000000002A0000-0x00000000002B4000-memory.dmp

Filesize
80KB

Download
memory/556-76-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/556-81-0x00000000008B0000-0x0000000000BB3000-memory.dmp

Filesize
3.0MB

Download
memory/556-73-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/556-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1220-94-0x00000000064D0000-0x00000000065FA000-memory.dmp

Filesize
1.2MB

Download
memory/1220-93-0x00000000064D0000-0x00000000065FA000-memory.dmp

Filesize
1.2MB

Download
memory/1220-83-0x0000000007550000-0x00000000076C4000-memory.dmp

Filesize
1.5MB

Download
memory/1396-64-0x00000000008A0000-0x00000000008A8000-memory.dmp

Filesize
32KB

Download
memory/1396-61-0x0000000000000000-mapping.dmp

Download
memory/1396-67-0x00000000058F0000-0x0000000005B1C000-memory.dmp

Filesize
2.2MB

Download
memory/1644-91-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1644-66-0x0000000071EBD000-0x0000000071EC8000-memory.dmp

Filesize
44KB

Download
memory/1644-54-0x000000002F491000-0x000000002F494000-memory.dmp

Filesize
12KB

Download
memory/1644-58-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/1644-57-0x0000000071EBD000-0x0000000071EC8000-memory.dmp

Filesize
44KB

Download
memory/1644-55-0x0000000070ED1000-0x0000000070ED3000-memory.dmp

Filesize
8KB

Download
memory/1644-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1644-92-0x0000000071EBD000-0x0000000071EC8000-memory.dmp

Filesize
44KB

Download
memory/1700-85-0x0000000000000000-mapping.dmp

Download
memory/1948-86-0x0000000000E70000-0x0000000000EB6000-memory.dmp

Filesize
280KB

Download
memory/1948-90-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1948-89-0x00000000008F0000-0x0000000000983000-memory.dmp

Filesize
588KB

Download
memory/1948-88-0x0000000000AE0000-0x0000000000DE3000-memory.dmp

Filesize
3.0MB

Download
memory/1948-87-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1948-84-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads