xloader | 77c5062163c29fc069bf6b25d78284461f71028f3b688e0ac88397038e59f5ce

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-en-20211208
submitted
18-02-2022 17:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

SC10641.xlsx
Size

165KB
MD5

11aac7b8fe45c352c86c50c440ec5194
SHA1

dae10515c53dc33378e7b5cc6e8b32b380d61c98
SHA256

77c5062163c29fc069bf6b25d78284461f71028f3b688e0ac88397038e59f5ce
SHA512

84cf52f480a05a3f216b27d6db7a7e73c5bc1196650e31f6cdbe2c30396f8262cc49aaa0f466758e334ee6658a8872ad42baf7e484d67e1724551a15667d62bf

Score

10^/10

xloader ahc8 loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ahc8

Decoy

192451.com

wwwripostes.net

sirikhalsalaw.com

bitterbaybay.com

stella-scrubs.com

almanecermezcal.com

goodgood.online

translate-now.online

sincerefilm.com

quadrantforensics.com

johnfrenchart.com

plick-click.com

alnileen.com

tghi.xyz

172711.com

maymakita.com

punnyaseva.com

ukash-online.com

sho-yururi-blog.com

hebergement-solidaire.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1724-71-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1724-74-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1768-90-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 872 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1596 vbc.exe
1724 vbc.exe

flow	pid	process
4	872	EQNEDT32.EXE

pid	process
1596	vbc.exe
1724	vbc.exe

Loads dropped DLL 9 IoCs

Processes:

EQNEDT32.EXEWerFault.exe

pid	process
872	EQNEDT32.EXE
872	EQNEDT32.EXE
872	EQNEDT32.EXE
872	EQNEDT32.EXE
1372	WerFault.exe
1372	WerFault.exe
1372	WerFault.exe
1372	WerFault.exe
1372	WerFault.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exevbc.exewininit.exe

description	pid	process	target process
PID 1596 set thread context of 1724	1596	vbc.exe	vbc.exe
PID 1724 set thread context of 1412	1724	vbc.exe	Explorer.EXE
PID 1724 set thread context of 1412	1724	vbc.exe	Explorer.EXE
PID 1768 set thread context of 1412	1768	wininit.exe	Explorer.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1372 1596 WerFault.exe vbc.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

872 EQNEDT32.EXE

pid	pid_target	process	target process
1372	1596	WerFault.exe	vbc.exe

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

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
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 created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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	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\shell\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 (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	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 MHTML Editor\shell\edit\ = "&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 MHTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1904 EXCEL.EXE

pid	process
1904	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 34 IoCs

Processes:

vbc.exeWerFault.exewininit.exe

pid	process
1724	vbc.exe
1724	vbc.exe
1372	WerFault.exe
1372	WerFault.exe
1372	WerFault.exe
1372	WerFault.exe
1372	WerFault.exe
1724	vbc.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe
1768	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1372 WerFault.exe
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

vbc.exewininit.exe

pid process

1724 vbc.exe
1724 vbc.exe
1724 vbc.exe
1724 vbc.exe
1768 wininit.exe
1768 wininit.exe

pid	process
1372	WerFault.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

vbc.exevbc.exeWerFault.exeExplorer.EXEwininit.exe

description	pid	process
Token: SeDebugPrivilege	1596	vbc.exe
Token: SeDebugPrivilege	1724	vbc.exe
Token: SeDebugPrivilege	1372	WerFault.exe
Token: SeShutdownPrivilege	1412	Explorer.EXE
Token: SeDebugPrivilege	1768	wininit.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1412 Explorer.EXE
1412 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1412 Explorer.EXE
1412 Explorer.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1904 EXCEL.EXE
1904 EXCEL.EXE
1904 EXCEL.EXE

pid	process
1412	Explorer.EXE
1412	Explorer.EXE

pid	process
1412	Explorer.EXE
1412	Explorer.EXE

pid	process
1904	EXCEL.EXE
1904	EXCEL.EXE
1904	EXCEL.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 872 wrote to memory of 1596	872	EQNEDT32.EXE	vbc.exe
PID 872 wrote to memory of 1596	872	EQNEDT32.EXE	vbc.exe
PID 872 wrote to memory of 1596	872	EQNEDT32.EXE	vbc.exe
PID 872 wrote to memory of 1596	872	EQNEDT32.EXE	vbc.exe
PID 1596 wrote to memory of 1724	1596	vbc.exe	vbc.exe
PID 1596 wrote to memory of 1724	1596	vbc.exe	vbc.exe
PID 1596 wrote to memory of 1724	1596	vbc.exe	vbc.exe
PID 1596 wrote to memory of 1724	1596	vbc.exe	vbc.exe
PID 1596 wrote to memory of 1724	1596	vbc.exe	vbc.exe
PID 1596 wrote to memory of 1724	1596	vbc.exe	vbc.exe
PID 1596 wrote to memory of 1724	1596	vbc.exe	vbc.exe
PID 1596 wrote to memory of 1372	1596	vbc.exe	WerFault.exe
PID 1596 wrote to memory of 1372	1596	vbc.exe	WerFault.exe
PID 1596 wrote to memory of 1372	1596	vbc.exe	WerFault.exe
PID 1596 wrote to memory of 1372	1596	vbc.exe	WerFault.exe
PID 1412 wrote to memory of 1768	1412	Explorer.EXE	wininit.exe
PID 1412 wrote to memory of 1768	1412	Explorer.EXE	wininit.exe
PID 1412 wrote to memory of 1768	1412	Explorer.EXE	wininit.exe
PID 1412 wrote to memory of 1768	1412	Explorer.EXE	wininit.exe
PID 1768 wrote to memory of 1144	1768	wininit.exe	cmd.exe
PID 1768 wrote to memory of 1144	1768	wininit.exe	cmd.exe
PID 1768 wrote to memory of 1144	1768	wininit.exe	cmd.exe
PID 1768 wrote to memory of 1144	1768	wininit.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1412

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\SC10641.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1904

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1144

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:872

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:1596

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:1724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 1472
3⤵
- Loads dropped DLL
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1372

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

T1203

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Public\vbc.exe
MD5
92c35904f4cf224c1a26f7162e465b02

SHA1
d4d1635404188075b42f49c4714cc85faa54e71c

SHA256
bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7

SHA512
43f28013fa83da1957cda63cdc07b12a4ee9e16f54ed1f8ff36d83d3ce3dff7d710a630e8f042291162eb225e3cd6c08c018fea28e87aa4ac3f0a24b2879c9a8

Download Submit
C:\Users\Public\vbc.exe
MD5
92c35904f4cf224c1a26f7162e465b02

SHA1
d4d1635404188075b42f49c4714cc85faa54e71c

SHA256
bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7

SHA512
43f28013fa83da1957cda63cdc07b12a4ee9e16f54ed1f8ff36d83d3ce3dff7d710a630e8f042291162eb225e3cd6c08c018fea28e87aa4ac3f0a24b2879c9a8

Download Submit
C:\Users\Public\vbc.exe
MD5
92c35904f4cf224c1a26f7162e465b02

SHA1
d4d1635404188075b42f49c4714cc85faa54e71c

SHA256
bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7

SHA512
43f28013fa83da1957cda63cdc07b12a4ee9e16f54ed1f8ff36d83d3ce3dff7d710a630e8f042291162eb225e3cd6c08c018fea28e87aa4ac3f0a24b2879c9a8

Download Submit
\Users\Public\vbc.exe
MD5
92c35904f4cf224c1a26f7162e465b02

SHA1
d4d1635404188075b42f49c4714cc85faa54e71c

SHA256
bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7

SHA512
43f28013fa83da1957cda63cdc07b12a4ee9e16f54ed1f8ff36d83d3ce3dff7d710a630e8f042291162eb225e3cd6c08c018fea28e87aa4ac3f0a24b2879c9a8

Download Submit
\Users\Public\vbc.exe
MD5
92c35904f4cf224c1a26f7162e465b02

SHA1
d4d1635404188075b42f49c4714cc85faa54e71c

SHA256
bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7

SHA512
43f28013fa83da1957cda63cdc07b12a4ee9e16f54ed1f8ff36d83d3ce3dff7d710a630e8f042291162eb225e3cd6c08c018fea28e87aa4ac3f0a24b2879c9a8

Download Submit
\Users\Public\vbc.exe
MD5
92c35904f4cf224c1a26f7162e465b02

SHA1
d4d1635404188075b42f49c4714cc85faa54e71c

SHA256
bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7

SHA512
43f28013fa83da1957cda63cdc07b12a4ee9e16f54ed1f8ff36d83d3ce3dff7d710a630e8f042291162eb225e3cd6c08c018fea28e87aa4ac3f0a24b2879c9a8

Download Submit
\Users\Public\vbc.exe
MD5
92c35904f4cf224c1a26f7162e465b02

SHA1
d4d1635404188075b42f49c4714cc85faa54e71c

SHA256
bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7

SHA512
43f28013fa83da1957cda63cdc07b12a4ee9e16f54ed1f8ff36d83d3ce3dff7d710a630e8f042291162eb225e3cd6c08c018fea28e87aa4ac3f0a24b2879c9a8

Download Submit
\Users\Public\vbc.exe
MD5
92c35904f4cf224c1a26f7162e465b02

SHA1
d4d1635404188075b42f49c4714cc85faa54e71c

SHA256
bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7

SHA512
43f28013fa83da1957cda63cdc07b12a4ee9e16f54ed1f8ff36d83d3ce3dff7d710a630e8f042291162eb225e3cd6c08c018fea28e87aa4ac3f0a24b2879c9a8

Download Submit
\Users\Public\vbc.exe
MD5
92c35904f4cf224c1a26f7162e465b02

SHA1
d4d1635404188075b42f49c4714cc85faa54e71c

SHA256
bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7

SHA512
43f28013fa83da1957cda63cdc07b12a4ee9e16f54ed1f8ff36d83d3ce3dff7d710a630e8f042291162eb225e3cd6c08c018fea28e87aa4ac3f0a24b2879c9a8

Download Submit
\Users\Public\vbc.exe
MD5
92c35904f4cf224c1a26f7162e465b02

SHA1
d4d1635404188075b42f49c4714cc85faa54e71c

SHA256
bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7

SHA512
43f28013fa83da1957cda63cdc07b12a4ee9e16f54ed1f8ff36d83d3ce3dff7d710a630e8f042291162eb225e3cd6c08c018fea28e87aa4ac3f0a24b2879c9a8

Download Submit
\Users\Public\vbc.exe
MD5
92c35904f4cf224c1a26f7162e465b02

SHA1
d4d1635404188075b42f49c4714cc85faa54e71c

SHA256
bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7

SHA512
43f28013fa83da1957cda63cdc07b12a4ee9e16f54ed1f8ff36d83d3ce3dff7d710a630e8f042291162eb225e3cd6c08c018fea28e87aa4ac3f0a24b2879c9a8

Download Submit
\Users\Public\vbc.exe
MD5
92c35904f4cf224c1a26f7162e465b02

SHA1
d4d1635404188075b42f49c4714cc85faa54e71c

SHA256
bb81812044069608e1ba320fcb7b878c5b6895f5bf91c93027ab4161042d01c7

SHA512
43f28013fa83da1957cda63cdc07b12a4ee9e16f54ed1f8ff36d83d3ce3dff7d710a630e8f042291162eb225e3cd6c08c018fea28e87aa4ac3f0a24b2879c9a8

Download Submit
memory/872-58-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1372-84-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/1412-93-0x0000000006AF0000-0x0000000006B9F000-memory.dmp

Filesize
700KB

Download
memory/1412-88-0x0000000006800000-0x00000000068C6000-memory.dmp

Filesize
792KB

Download
memory/1412-76-0x0000000006D00000-0x0000000006E4F000-memory.dmp

Filesize
1.3MB

Download
memory/1596-65-0x00000000012A0000-0x00000000012AA000-memory.dmp

Filesize
40KB

Download
memory/1596-68-0x00000000007A0000-0x00000000007D4000-memory.dmp

Filesize
208KB

Download
memory/1596-67-0x0000000004EF0000-0x0000000004EF1000-memory.dmp

Filesize
4KB

Download
memory/1596-66-0x000000006BA6E000-0x000000006BA6F000-memory.dmp

Filesize
4KB

Download
memory/1724-69-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1724-87-0x00000000004E0000-0x00000000004F1000-memory.dmp

Filesize
68KB

Download
memory/1724-78-0x0000000000450000-0x0000000000461000-memory.dmp

Filesize
68KB

Download
memory/1724-75-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/1724-74-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1724-71-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1724-86-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/1724-77-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/1724-70-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1768-90-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1768-89-0x0000000000390000-0x00000000003AA000-memory.dmp

Filesize
104KB

Download
memory/1768-91-0x0000000001EA0000-0x00000000021A3000-memory.dmp

Filesize
3.0MB

Download
memory/1768-92-0x0000000001DA0000-0x0000000001E30000-memory.dmp

Filesize
576KB

Download
memory/1904-55-0x0000000070FD1000-0x0000000070FD3000-memory.dmp

Filesize
8KB

Download
memory/1904-54-0x000000002FBE1000-0x000000002FBE4000-memory.dmp

Filesize
12KB

Download
memory/1904-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1904-57-0x0000000071FBD000-0x0000000071FC8000-memory.dmp

Filesize
44KB

Download
memory/1904-95-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download