formbook | 05eeec0a0a58bada9141dfac90dccc31cd24d7919fc6f729647dfd35629cc5f8

Analysis

max time kernel
149s
max time network
146s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
10-03-2023 01:06

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General

Target

2678ea9a98659545592b7982a17a1b65b92f0fba7eea9d15760f2dbcb7546956.xls
Size

1.2MB
MD5

12c87026c144f87df2338e40f2293b19
SHA1

b8caf6a6c738f7050523381c4e7fcbba08ec6433
SHA256

2678ea9a98659545592b7982a17a1b65b92f0fba7eea9d15760f2dbcb7546956
SHA512

b7ea848f6140b81ca8f1a7d9b8f6f6710f709f5289a3bfe707de04416b8b155b6d3afcd3c7d8ce7774903842bbd94a112481d9a3e8bd83b17b1e7616ae2e288c
SSDEEP

24576:QLKrBwtHlx7WQmmav30xJB48tHlxGWQmmav30xF6FIW60z0tUo4QcZRx:QLKro7aQmmQ30D2S77QmmQ30H6Q+Qif

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/1624-102-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1624-106-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1664-113-0x00000000000F0000-0x000000000011F000-memory.dmp	formbook
behavioral1/memory/1664-115-0x00000000000F0000-0x000000000011F000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 1184 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

880 vbc.exe
1624 vbc.exe
Loads dropped DLL 5 IoCs

Processes:

EQNEDT32.EXE

pid process

1184 EQNEDT32.EXE
1184 EQNEDT32.EXE
1184 EQNEDT32.EXE
1184 EQNEDT32.EXE
1184 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
3	1184	EQNEDT32.EXE

pid	process
880	vbc.exe
1624	vbc.exe

pid	process
1184	EQNEDT32.EXE
1184	EQNEDT32.EXE
1184	EQNEDT32.EXE
1184	EQNEDT32.EXE
1184	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.exesvchost.exe

description	pid	process	target process
PID 880 set thread context of 1624	880	vbc.exe	vbc.exe
PID 1624 set thread context of 1240	1624	vbc.exe	Explorer.EXE
PID 1664 set thread context of 1240	1664	svchost.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

1876 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

1184 EQNEDT32.EXE

pid	process
1876	schtasks.exe

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

pid	process
1184	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-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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 HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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	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 MHTML Editor\shell\edit	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	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 created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	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 (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2044 EXCEL.EXE

pid	process
2044	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

vbc.exepowershell.exesvchost.exe

pid	process
1624	vbc.exe
1624	vbc.exe
1928	powershell.exe
1664	svchost.exe
1664	svchost.exe
1664	svchost.exe
1664	svchost.exe
1664	svchost.exe
1664	svchost.exe
1664	svchost.exe
1664	svchost.exe
1664	svchost.exe
1664	svchost.exe
1664	svchost.exe
1664	svchost.exe
1664	svchost.exe
1664	svchost.exe
1664	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1240 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exesvchost.exe

pid process

1624 vbc.exe
1624 vbc.exe
1624 vbc.exe
1664 svchost.exe
1664 svchost.exe

pid	process
1240	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

vbc.exepowershell.exesvchost.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1624	vbc.exe
Token: SeDebugPrivilege	1928	powershell.exe
Token: SeDebugPrivilege	1664	svchost.exe
Token: SeShutdownPrivilege	1240	Explorer.EXE
Token: SeShutdownPrivilege	1240	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

2044 EXCEL.EXE
2044 EXCEL.EXE
2044 EXCEL.EXE

pid	process
2044	EXCEL.EXE
2044	EXCEL.EXE
2044	EXCEL.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 1184 wrote to memory of 880	1184	EQNEDT32.EXE	vbc.exe
PID 1184 wrote to memory of 880	1184	EQNEDT32.EXE	vbc.exe
PID 1184 wrote to memory of 880	1184	EQNEDT32.EXE	vbc.exe
PID 1184 wrote to memory of 880	1184	EQNEDT32.EXE	vbc.exe
PID 880 wrote to memory of 1928	880	vbc.exe	powershell.exe
PID 880 wrote to memory of 1928	880	vbc.exe	powershell.exe
PID 880 wrote to memory of 1928	880	vbc.exe	powershell.exe
PID 880 wrote to memory of 1928	880	vbc.exe	powershell.exe
PID 880 wrote to memory of 1876	880	vbc.exe	schtasks.exe
PID 880 wrote to memory of 1876	880	vbc.exe	schtasks.exe
PID 880 wrote to memory of 1876	880	vbc.exe	schtasks.exe
PID 880 wrote to memory of 1876	880	vbc.exe	schtasks.exe
PID 880 wrote to memory of 1624	880	vbc.exe	vbc.exe
PID 880 wrote to memory of 1624	880	vbc.exe	vbc.exe
PID 880 wrote to memory of 1624	880	vbc.exe	vbc.exe
PID 880 wrote to memory of 1624	880	vbc.exe	vbc.exe
PID 880 wrote to memory of 1624	880	vbc.exe	vbc.exe
PID 880 wrote to memory of 1624	880	vbc.exe	vbc.exe
PID 880 wrote to memory of 1624	880	vbc.exe	vbc.exe
PID 1240 wrote to memory of 1664	1240	Explorer.EXE	svchost.exe
PID 1240 wrote to memory of 1664	1240	Explorer.EXE	svchost.exe
PID 1240 wrote to memory of 1664	1240	Explorer.EXE	svchost.exe
PID 1240 wrote to memory of 1664	1240	Explorer.EXE	svchost.exe
PID 1664 wrote to memory of 1956	1664	svchost.exe	cmd.exe
PID 1664 wrote to memory of 1956	1664	svchost.exe	cmd.exe
PID 1664 wrote to memory of 1956	1664	svchost.exe	cmd.exe
PID 1664 wrote to memory of 1956	1664	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1240

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\2678ea9a98659545592b7982a17a1b65b92f0fba7eea9d15760f2dbcb7546956.xls
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2044

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1956

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:1184

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:880

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UQaZOpBfTXPxe.exe"
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1928

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UQaZOpBfTXPxe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE928.tmp"
3⤵
- Creates scheduled task(s)
PID:1876

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:1624

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\2095B285.emf
Filesize
34KB

MD5
d07b4beb4ff3f1a5ec31e2eebe944e91

SHA1
5bdcab90d8b5d983d6db791b28861d536e680c74

SHA256
37efd4401bfe0a063b3585dca0753ca49dced57862a3f58558eced424c557bee

SHA512
11a1375a7c5d5924d82f845afa77b36e960ee1730d13fb7a337d28a4dd142a61a7a1f095d1039285f92fe420077cd717e1ffbdceccbd300a6fdf1085facee2a2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\B40FBF94.emf
Filesize
577KB

MD5
c754c0c24e79a52d15d601b962cf610c

SHA1
61939f164242c509360fd18fcc32474aa6d8ec29

SHA256
36e82aa3352a6c2b7b36bc8b16ba84addd441adc8c69fb1c900300406a1d1739

SHA512
05c78a58a4230cdf5545a0e61376740bbd25f0fe9ec6a78059043804d31b565e6af1c4236f1f8fbbd50929c6acc515692c0f979046b526308a14988af2ffaae9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE928.tmp
Filesize
1KB

MD5
62fc14b1d2d1fec166007e8ea8a4b4ba

SHA1
499c31bfcadda4a04cb2d3d60e27ed7257a29981

SHA256
31185ed785006c006de7332ee0ee9a5f5368763fb506802fb2ee1d30b139c4ae

SHA512
db8a066d64b2084cbaeaa4136e7d398ccf71f91021fcf24ad0ea0109796e7e4c10be37e65292c3363581fb5275e4e6e807c9e597e82d73788c063d6fdcb6a357

Download Submit
C:\Users\Public\vbc.exe
Filesize
885KB

MD5
9fb2fa6e06d3f2a46d78ddd454b2defd

SHA1
dcf1825c32d53f3fba95540e89d721d145e8d683

SHA256
ef5801704c64fb48c3bc3f96ba58f18ed4a320835d0f5d36732b3b5c2a2724ef

SHA512
71b49b4dd668755e2ec107dcf81483f392c8f49373319ac6bd97ef6e995e076cd5d0b52a19193a4494fbc82a7069e36a5bd1371eef83ef80e36c12bdaee2b708

Download Submit
C:\Users\Public\vbc.exe
Filesize
885KB

MD5
9fb2fa6e06d3f2a46d78ddd454b2defd

SHA1
dcf1825c32d53f3fba95540e89d721d145e8d683

SHA256
ef5801704c64fb48c3bc3f96ba58f18ed4a320835d0f5d36732b3b5c2a2724ef

SHA512
71b49b4dd668755e2ec107dcf81483f392c8f49373319ac6bd97ef6e995e076cd5d0b52a19193a4494fbc82a7069e36a5bd1371eef83ef80e36c12bdaee2b708

Download Submit
C:\Users\Public\vbc.exe
Filesize
885KB

MD5
9fb2fa6e06d3f2a46d78ddd454b2defd

SHA1
dcf1825c32d53f3fba95540e89d721d145e8d683

SHA256
ef5801704c64fb48c3bc3f96ba58f18ed4a320835d0f5d36732b3b5c2a2724ef

SHA512
71b49b4dd668755e2ec107dcf81483f392c8f49373319ac6bd97ef6e995e076cd5d0b52a19193a4494fbc82a7069e36a5bd1371eef83ef80e36c12bdaee2b708

Download Submit
C:\Users\Public\vbc.exe
Filesize
885KB

MD5
9fb2fa6e06d3f2a46d78ddd454b2defd

SHA1
dcf1825c32d53f3fba95540e89d721d145e8d683

SHA256
ef5801704c64fb48c3bc3f96ba58f18ed4a320835d0f5d36732b3b5c2a2724ef

SHA512
71b49b4dd668755e2ec107dcf81483f392c8f49373319ac6bd97ef6e995e076cd5d0b52a19193a4494fbc82a7069e36a5bd1371eef83ef80e36c12bdaee2b708

Download Submit
\Users\Public\vbc.exe
Filesize
885KB

MD5
9fb2fa6e06d3f2a46d78ddd454b2defd

SHA1
dcf1825c32d53f3fba95540e89d721d145e8d683

SHA256
ef5801704c64fb48c3bc3f96ba58f18ed4a320835d0f5d36732b3b5c2a2724ef

SHA512
71b49b4dd668755e2ec107dcf81483f392c8f49373319ac6bd97ef6e995e076cd5d0b52a19193a4494fbc82a7069e36a5bd1371eef83ef80e36c12bdaee2b708

Download Submit
\Users\Public\vbc.exe
Filesize
885KB

MD5
9fb2fa6e06d3f2a46d78ddd454b2defd

SHA1
dcf1825c32d53f3fba95540e89d721d145e8d683

SHA256
ef5801704c64fb48c3bc3f96ba58f18ed4a320835d0f5d36732b3b5c2a2724ef

SHA512
71b49b4dd668755e2ec107dcf81483f392c8f49373319ac6bd97ef6e995e076cd5d0b52a19193a4494fbc82a7069e36a5bd1371eef83ef80e36c12bdaee2b708

Download Submit
\Users\Public\vbc.exe
Filesize
885KB

MD5
9fb2fa6e06d3f2a46d78ddd454b2defd

SHA1
dcf1825c32d53f3fba95540e89d721d145e8d683

SHA256
ef5801704c64fb48c3bc3f96ba58f18ed4a320835d0f5d36732b3b5c2a2724ef

SHA512
71b49b4dd668755e2ec107dcf81483f392c8f49373319ac6bd97ef6e995e076cd5d0b52a19193a4494fbc82a7069e36a5bd1371eef83ef80e36c12bdaee2b708

Download Submit
\Users\Public\vbc.exe
Filesize
885KB

MD5
9fb2fa6e06d3f2a46d78ddd454b2defd

SHA1
dcf1825c32d53f3fba95540e89d721d145e8d683

SHA256
ef5801704c64fb48c3bc3f96ba58f18ed4a320835d0f5d36732b3b5c2a2724ef

SHA512
71b49b4dd668755e2ec107dcf81483f392c8f49373319ac6bd97ef6e995e076cd5d0b52a19193a4494fbc82a7069e36a5bd1371eef83ef80e36c12bdaee2b708

Download Submit
\Users\Public\vbc.exe
Filesize
885KB

MD5
9fb2fa6e06d3f2a46d78ddd454b2defd

SHA1
dcf1825c32d53f3fba95540e89d721d145e8d683

SHA256
ef5801704c64fb48c3bc3f96ba58f18ed4a320835d0f5d36732b3b5c2a2724ef

SHA512
71b49b4dd668755e2ec107dcf81483f392c8f49373319ac6bd97ef6e995e076cd5d0b52a19193a4494fbc82a7069e36a5bd1371eef83ef80e36c12bdaee2b708

Download Submit
memory/880-85-0x00000000006E0000-0x0000000000720000-memory.dmp

Filesize
256KB

Download
memory/880-86-0x00000000003D0000-0x00000000003E4000-memory.dmp

Filesize
80KB

Download
memory/880-90-0x00000000061A0000-0x0000000006250000-memory.dmp

Filesize
704KB

Download
memory/880-88-0x00000000006E0000-0x0000000000720000-memory.dmp

Filesize
256KB

Download
memory/880-96-0x0000000004C20000-0x0000000004C58000-memory.dmp

Filesize
224KB

Download
memory/880-84-0x00000000000E0000-0x00000000001C4000-memory.dmp

Filesize
912KB

Download
memory/880-89-0x00000000005D0000-0x00000000005DC000-memory.dmp

Filesize
48KB

Download
memory/1240-110-0x0000000006A50000-0x0000000006B57000-memory.dmp

Filesize
1.0MB

Download
memory/1240-117-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1240-149-0x000007FF0E330000-0x000007FF0E33A000-memory.dmp

Filesize
40KB

Download
memory/1240-122-0x0000000005EC0000-0x0000000005F6D000-memory.dmp

Filesize
692KB

Download
memory/1240-120-0x0000000005EC0000-0x0000000005F6D000-memory.dmp

Filesize
692KB

Download
memory/1240-119-0x0000000005EC0000-0x0000000005F6D000-memory.dmp

Filesize
692KB

Download
memory/1624-109-0x00000000001F0000-0x0000000000204000-memory.dmp

Filesize
80KB

Download
memory/1624-101-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1624-100-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1624-102-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1624-99-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1624-106-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1624-107-0x0000000000980000-0x0000000000C83000-memory.dmp

Filesize
3.0MB

Download
memory/1664-118-0x0000000000680000-0x0000000000713000-memory.dmp

Filesize
588KB

Download
memory/1664-115-0x00000000000F0000-0x000000000011F000-memory.dmp

Filesize
188KB

Download
memory/1664-114-0x0000000000810000-0x0000000000B13000-memory.dmp

Filesize
3.0MB

Download
memory/1664-113-0x00000000000F0000-0x000000000011F000-memory.dmp

Filesize
188KB

Download
memory/1664-112-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/1664-111-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/1928-108-0x00000000026A0000-0x00000000026E0000-memory.dmp

Filesize
256KB

Download
memory/1928-105-0x00000000026A0000-0x00000000026E0000-memory.dmp

Filesize
256KB

Download
memory/2044-130-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2044-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download