formbook | 405951870f4e0f70e4fa63a7113e402556727412f7fc326dda064aae778ebed6

Analysis

max time kernel
145s
max time network
133s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
02-03-2023 01:57

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General

Target

5aa47f37d752f2be0e81960995899ad5a4a42cba75b045c2232942524ef6c9f6.xls
Size

838KB
MD5

f9fd49f28204d58fe67ec08c7e8a0815
SHA1

2c7d6590f7a2c6f3e545b4ef8e107416728c2bf5
SHA256

5aa47f37d752f2be0e81960995899ad5a4a42cba75b045c2232942524ef6c9f6
SHA512

d1478af4a4cc1913b5095e2fd2340cd5067020b2d4eaff85873361c43213254ce2605db49830bbc374baa316d22497a39f1eeb54318028635e9136ecf0d3aaf9
SSDEEP

24576:WXm94JPiFeOVEezjIlmwiJpg8W6d26qxwFJty:WKeidaOiVE2dwFJk

Score

10^/10

formbook g2fg rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g2fg

Decoy

snowcrash.website

pointman.us

newheartvalve.care

drandl.com

sandspringsramblers.com

programagubernamental.online

boja.us

mvrsnike.com

mentallyillmotherhood.com

facom.us

programagubernamental.store

izivente.com

roller-v.fr

amazonbioactives.com

metaverseapple.xyz

5gt-mobilevsverizon.com

gtwebsolutions.co

scottdunn.life

usdp.trade

pikmin.run

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/1652-105-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1652-110-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/900-117-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook
behavioral1/memory/900-119-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 472 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

536 vbc.exe
1652 vbc.exe
Loads dropped DLL 5 IoCs

Processes:

EQNEDT32.EXE

pid process

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

Scripting
T1064

flow	pid	process
3	472	EQNEDT32.EXE

pid	process
536	vbc.exe
1652	vbc.exe

pid	process
472	EQNEDT32.EXE
472	EQNEDT32.EXE
472	EQNEDT32.EXE
472	EQNEDT32.EXE
472	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.exemsiexec.exe

description	pid	process	target process
PID 536 set thread context of 1652	536	vbc.exe	vbc.exe
PID 1652 set thread context of 1332	1652	vbc.exe	Explorer.EXE
PID 900 set thread context of 1332	900	msiexec.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
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1080 schtasks.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

472 EQNEDT32.EXE

pid	process
1080	schtasks.exe

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

pid	process
472	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\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 MHTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\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 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
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	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
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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key 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
Set value (int)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\Toolbar	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

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1932 EXCEL.EXE

pid	process
1932	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

vbc.exepowershell.exemsiexec.exe

pid	process
1652	vbc.exe
1652	vbc.exe
944	powershell.exe
900	msiexec.exe
900	msiexec.exe
900	msiexec.exe
900	msiexec.exe
900	msiexec.exe
900	msiexec.exe
900	msiexec.exe
900	msiexec.exe
900	msiexec.exe
900	msiexec.exe
900	msiexec.exe
900	msiexec.exe
900	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exemsiexec.exe

pid process

1652 vbc.exe
1652 vbc.exe
1652 vbc.exe
900 msiexec.exe
900 msiexec.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

vbc.exepowershell.exemsiexec.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1652	vbc.exe
Token: SeDebugPrivilege	944	powershell.exe
Token: SeDebugPrivilege	900	msiexec.exe
Token: SeShutdownPrivilege	1332	Explorer.EXE
Token: SeShutdownPrivilege	1332	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1932 EXCEL.EXE
1932 EXCEL.EXE
1932 EXCEL.EXE

pid	process
1932	EXCEL.EXE
1932	EXCEL.EXE
1932	EXCEL.EXE

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 472 wrote to memory of 536	472	EQNEDT32.EXE	vbc.exe
PID 472 wrote to memory of 536	472	EQNEDT32.EXE	vbc.exe
PID 472 wrote to memory of 536	472	EQNEDT32.EXE	vbc.exe
PID 472 wrote to memory of 536	472	EQNEDT32.EXE	vbc.exe
PID 536 wrote to memory of 944	536	vbc.exe	powershell.exe
PID 536 wrote to memory of 944	536	vbc.exe	powershell.exe
PID 536 wrote to memory of 944	536	vbc.exe	powershell.exe
PID 536 wrote to memory of 944	536	vbc.exe	powershell.exe
PID 536 wrote to memory of 1080	536	vbc.exe	schtasks.exe
PID 536 wrote to memory of 1080	536	vbc.exe	schtasks.exe
PID 536 wrote to memory of 1080	536	vbc.exe	schtasks.exe
PID 536 wrote to memory of 1080	536	vbc.exe	schtasks.exe
PID 536 wrote to memory of 1652	536	vbc.exe	vbc.exe
PID 536 wrote to memory of 1652	536	vbc.exe	vbc.exe
PID 536 wrote to memory of 1652	536	vbc.exe	vbc.exe
PID 536 wrote to memory of 1652	536	vbc.exe	vbc.exe
PID 536 wrote to memory of 1652	536	vbc.exe	vbc.exe
PID 536 wrote to memory of 1652	536	vbc.exe	vbc.exe
PID 536 wrote to memory of 1652	536	vbc.exe	vbc.exe
PID 1332 wrote to memory of 900	1332	Explorer.EXE	msiexec.exe
PID 1332 wrote to memory of 900	1332	Explorer.EXE	msiexec.exe
PID 1332 wrote to memory of 900	1332	Explorer.EXE	msiexec.exe
PID 1332 wrote to memory of 900	1332	Explorer.EXE	msiexec.exe
PID 1332 wrote to memory of 900	1332	Explorer.EXE	msiexec.exe
PID 1332 wrote to memory of 900	1332	Explorer.EXE	msiexec.exe
PID 1332 wrote to memory of 900	1332	Explorer.EXE	msiexec.exe
PID 900 wrote to memory of 1468	900	msiexec.exe	cmd.exe
PID 900 wrote to memory of 1468	900	msiexec.exe	cmd.exe
PID 900 wrote to memory of 1468	900	msiexec.exe	cmd.exe
PID 900 wrote to memory of 1468	900	msiexec.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1332

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\5aa47f37d752f2be0e81960995899ad5a4a42cba75b045c2232942524ef6c9f6.xls
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1932

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:900

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1468

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:472

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:536

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NSAPXvvKyUrmP.exe"
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:944

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NSAPXvvKyUrmP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp19E8.tmp"
3⤵
- Creates scheduled task(s)
PID:1080

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:1652

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Scheduled Task

T1053

Exploitation for Client Execution

T1203

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Scripting

T1064

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

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\F577AC7C.emf
Filesize
34KB

MD5
6250eb535b9c82177503bea2fff16132

SHA1
a87883594145b6ba64cbf2c43abb530dafea4c27

SHA256
6e8d0925ca38b14024cba279283241519e4d869b4cc0d7ae54005d7f8a2cb25a

SHA512
34b00d61af3ca5a8b4c19b04511deeafa2abaf518735ac2ece81ceb42f323c118e6f0f12300580c89b7da5ec2142181d3a0ccf7a8e09857d0a762a3525a8e195

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp19E8.tmp
Filesize
1KB

MD5
a1ed47940c5008e3d6563ccb4c52dd14

SHA1
706ea8fdbf32e72217c8e2274dcd9bdc9dd85974

SHA256
8d9af1cbdb0d2e7b84d077b7a97018c2859988413e83e4d871eff9e33b21a9b3

SHA512
c67a4f48a941680e5e47612ab1a86b9df094b31f50fd4ffaaba4ebb643d4f7a8ab2584d296a5c8cb906eb97c7270d51435622bd5a8145556831a0f4c1f77963e

Download Submit
C:\Users\Public\vbc.exe
Filesize
1.3MB

MD5
4a7aab8f4285b00870594319a36a7426

SHA1
a4331309a71b9f87eab79e9596d62af931d3b026

SHA256
ee62bac96fdf6c8fa0bf931f53a9858584cbe77e814f3e0a08a9a0fcb1fe55f3

SHA512
46c643a71ec2a5a73a81568a44af373104bbaf8fd44b4e13b2f53e4935444f3d0d633c2b23392cf7da00fbde3d7b025b5e93df6f9f5fd9a71574ff78d0c0c796

Download Submit
C:\Users\Public\vbc.exe
Filesize
1.3MB

MD5
4a7aab8f4285b00870594319a36a7426

SHA1
a4331309a71b9f87eab79e9596d62af931d3b026

SHA256
ee62bac96fdf6c8fa0bf931f53a9858584cbe77e814f3e0a08a9a0fcb1fe55f3

SHA512
46c643a71ec2a5a73a81568a44af373104bbaf8fd44b4e13b2f53e4935444f3d0d633c2b23392cf7da00fbde3d7b025b5e93df6f9f5fd9a71574ff78d0c0c796

Download Submit
C:\Users\Public\vbc.exe
Filesize
1.3MB

MD5
4a7aab8f4285b00870594319a36a7426

SHA1
a4331309a71b9f87eab79e9596d62af931d3b026

SHA256
ee62bac96fdf6c8fa0bf931f53a9858584cbe77e814f3e0a08a9a0fcb1fe55f3

SHA512
46c643a71ec2a5a73a81568a44af373104bbaf8fd44b4e13b2f53e4935444f3d0d633c2b23392cf7da00fbde3d7b025b5e93df6f9f5fd9a71574ff78d0c0c796

Download Submit
C:\Users\Public\vbc.exe
Filesize
1.3MB

MD5
4a7aab8f4285b00870594319a36a7426

SHA1
a4331309a71b9f87eab79e9596d62af931d3b026

SHA256
ee62bac96fdf6c8fa0bf931f53a9858584cbe77e814f3e0a08a9a0fcb1fe55f3

SHA512
46c643a71ec2a5a73a81568a44af373104bbaf8fd44b4e13b2f53e4935444f3d0d633c2b23392cf7da00fbde3d7b025b5e93df6f9f5fd9a71574ff78d0c0c796

Download Submit
\Users\Public\vbc.exe
Filesize
1.3MB

MD5
4a7aab8f4285b00870594319a36a7426

SHA1
a4331309a71b9f87eab79e9596d62af931d3b026

SHA256
ee62bac96fdf6c8fa0bf931f53a9858584cbe77e814f3e0a08a9a0fcb1fe55f3

SHA512
46c643a71ec2a5a73a81568a44af373104bbaf8fd44b4e13b2f53e4935444f3d0d633c2b23392cf7da00fbde3d7b025b5e93df6f9f5fd9a71574ff78d0c0c796

Download Submit
\Users\Public\vbc.exe
Filesize
1.3MB

MD5
4a7aab8f4285b00870594319a36a7426

SHA1
a4331309a71b9f87eab79e9596d62af931d3b026

SHA256
ee62bac96fdf6c8fa0bf931f53a9858584cbe77e814f3e0a08a9a0fcb1fe55f3

SHA512
46c643a71ec2a5a73a81568a44af373104bbaf8fd44b4e13b2f53e4935444f3d0d633c2b23392cf7da00fbde3d7b025b5e93df6f9f5fd9a71574ff78d0c0c796

Download Submit
\Users\Public\vbc.exe
Filesize
1.3MB

MD5
4a7aab8f4285b00870594319a36a7426

SHA1
a4331309a71b9f87eab79e9596d62af931d3b026

SHA256
ee62bac96fdf6c8fa0bf931f53a9858584cbe77e814f3e0a08a9a0fcb1fe55f3

SHA512
46c643a71ec2a5a73a81568a44af373104bbaf8fd44b4e13b2f53e4935444f3d0d633c2b23392cf7da00fbde3d7b025b5e93df6f9f5fd9a71574ff78d0c0c796

Download Submit
\Users\Public\vbc.exe
Filesize
1.3MB

MD5
4a7aab8f4285b00870594319a36a7426

SHA1
a4331309a71b9f87eab79e9596d62af931d3b026

SHA256
ee62bac96fdf6c8fa0bf931f53a9858584cbe77e814f3e0a08a9a0fcb1fe55f3

SHA512
46c643a71ec2a5a73a81568a44af373104bbaf8fd44b4e13b2f53e4935444f3d0d633c2b23392cf7da00fbde3d7b025b5e93df6f9f5fd9a71574ff78d0c0c796

Download Submit
\Users\Public\vbc.exe
Filesize
1.3MB

MD5
4a7aab8f4285b00870594319a36a7426

SHA1
a4331309a71b9f87eab79e9596d62af931d3b026

SHA256
ee62bac96fdf6c8fa0bf931f53a9858584cbe77e814f3e0a08a9a0fcb1fe55f3

SHA512
46c643a71ec2a5a73a81568a44af373104bbaf8fd44b4e13b2f53e4935444f3d0d633c2b23392cf7da00fbde3d7b025b5e93df6f9f5fd9a71574ff78d0c0c796

Download Submit
memory/536-89-0x0000000000370000-0x000000000038A000-memory.dmp

Filesize
104KB

Download
memory/536-90-0x0000000004460000-0x00000000044A0000-memory.dmp

Filesize
256KB

Download
memory/536-91-0x0000000000530000-0x000000000053C000-memory.dmp

Filesize
48KB

Download
memory/536-92-0x0000000005A50000-0x0000000005AFE000-memory.dmp

Filesize
696KB

Download
memory/536-88-0x0000000004460000-0x00000000044A0000-memory.dmp

Filesize
256KB

Download
memory/536-100-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/536-101-0x0000000002280000-0x00000000022B8000-memory.dmp

Filesize
224KB

Download
memory/536-87-0x0000000000820000-0x0000000000968000-memory.dmp

Filesize
1.3MB

Download
memory/900-116-0x00000000000C0000-0x00000000000D4000-memory.dmp

Filesize
80KB

Download
memory/900-117-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/900-122-0x0000000001FB0000-0x0000000002043000-memory.dmp

Filesize
588KB

Download
memory/900-119-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/900-113-0x00000000000C0000-0x00000000000D4000-memory.dmp

Filesize
80KB

Download
memory/900-114-0x00000000000C0000-0x00000000000D4000-memory.dmp

Filesize
80KB

Download
memory/900-118-0x00000000020A0000-0x00000000023A3000-memory.dmp

Filesize
3.0MB

Download
memory/944-109-0x00000000023D0000-0x0000000002410000-memory.dmp

Filesize
256KB

Download
memory/1332-152-0x0000000004DB0000-0x0000000004EF6000-memory.dmp

Filesize
1.3MB

Download
memory/1332-150-0x0000000004DB0000-0x0000000004EF6000-memory.dmp

Filesize
1.3MB

Download
memory/1332-130-0x0000000004DB0000-0x0000000004EF6000-memory.dmp

Filesize
1.3MB

Download
memory/1332-112-0x0000000004B80000-0x0000000004C4B000-memory.dmp

Filesize
812KB

Download
memory/1652-102-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1652-111-0x00000000001B0000-0x00000000001C4000-memory.dmp

Filesize
80KB

Download
memory/1652-110-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1652-104-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1652-108-0x0000000000B00000-0x0000000000E03000-memory.dmp

Filesize
3.0MB

Download
memory/1652-103-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1652-105-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1932-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1932-129-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download