xloader | c01942eeca190f7672db0e7e3322a21b52c66f669b41f1dd0ef852c8dd003cb3

General

Target

9aaf287388698afd5ef8bfeb1fb8ee24.rtf
Size

23KB
MD5

9aaf287388698afd5ef8bfeb1fb8ee24
SHA1

97c0f28698ddc4e9b512a37f0230de3846922649
SHA256

c01942eeca190f7672db0e7e3322a21b52c66f669b41f1dd0ef852c8dd003cb3
SHA512

e634eea49486d6cc8a0f3227b674184eff9ba57afa1a26f708687ef92f21d4ac979be19fad65c4430f4fb31e9746b286cad83ed3c1f668823bc66667e6c8dfe3

Score

10^/10

xloader mxnu loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

mxnu

C2

http://www.naplesconciergerealty.com/mxnu/

Decoy

insightmyhome.com

gabriellamaxey.com

029atk.xyz

marshconstructions.com

technichoffghosts.com

blue-ivy-boutique-au.com

1sunsetgroup.com

elfkuhnispb.store

caoliudh.club

verifiedpaypal.net

jellyice-tr.com

gatescres.com

bloomberq.online

crystaltopagent.net

uggs-line.com

ecommerceplatform.xyz

historyofcambridge.com

sattaking-gaziabad.xyz

digisor.com

beachpawsmobilegrooming.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
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1176-69-0x000000000041D4A0-mapping.dmp	xloader
behavioral1/memory/1176-68-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1520-78-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 836 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1164 vbc.exe
1176 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXEvbc.exe

pid process

836 EQNEDT32.EXE
836 EQNEDT32.EXE
836 EQNEDT32.EXE
1164 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	836	EQNEDT32.EXE

pid	process
1164	vbc.exe
1176	vbc.exe

pid	process
836	EQNEDT32.EXE
836	EQNEDT32.EXE
836	EQNEDT32.EXE
1164	vbc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exesystray.exe

description	pid	process	target process
PID 1164 set thread context of 1176	1164	vbc.exe	vbc.exe
PID 1176 set thread context of 1368	1176	vbc.exe	Explorer.EXE
PID 1520 set thread context of 1368	1520	systray.exe	Explorer.EXE

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

NSIS installer 12 IoCs

installer

Processes:

resource	yara_rule
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2

Office loads VBA resources, possible macro or embedded object present
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

836 EQNEDT32.EXE

pid	process
836	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.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\""	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.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\""	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

524 WINWORD.EXE

pid	process
524	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

vbc.exesystray.exe

pid	process
1176	vbc.exe
1176	vbc.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe
1520	systray.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1368 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exesystray.exe

pid process

1176 vbc.exe
1176 vbc.exe
1176 vbc.exe
1520 systray.exe
1520 systray.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

vbc.exeExplorer.EXEsystray.exe

description	pid	process
Token: SeDebugPrivilege	1176	vbc.exe
Token: SeShutdownPrivilege	1368	Explorer.EXE
Token: SeShutdownPrivilege	1368	Explorer.EXE
Token: SeShutdownPrivilege	1368	Explorer.EXE
Token: SeShutdownPrivilege	1368	Explorer.EXE
Token: SeDebugPrivilege	1520	systray.exe
Token: SeShutdownPrivilege	1368	Explorer.EXE
Token: SeShutdownPrivilege	1368	Explorer.EXE

Suspicious use of FindShellTrayWindow 12 IoCs

Processes:

Explorer.EXE

pid	process
1368	Explorer.EXE
1368	Explorer.EXE
1368	Explorer.EXE
1368	Explorer.EXE
1368	Explorer.EXE
1368	Explorer.EXE
1368	Explorer.EXE
1368	Explorer.EXE
1368	Explorer.EXE
1368	Explorer.EXE
1368	Explorer.EXE
1368	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1368 Explorer.EXE
1368 Explorer.EXE
1368 Explorer.EXE
1368 Explorer.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

524 WINWORD.EXE
524 WINWORD.EXE

pid	process
524	WINWORD.EXE
524	WINWORD.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEsystray.exeWINWORD.EXE

description	pid	process	target process
PID 836 wrote to memory of 1164	836	EQNEDT32.EXE	vbc.exe
PID 836 wrote to memory of 1164	836	EQNEDT32.EXE	vbc.exe
PID 836 wrote to memory of 1164	836	EQNEDT32.EXE	vbc.exe
PID 836 wrote to memory of 1164	836	EQNEDT32.EXE	vbc.exe
PID 1164 wrote to memory of 1176	1164	vbc.exe	vbc.exe
PID 1164 wrote to memory of 1176	1164	vbc.exe	vbc.exe
PID 1164 wrote to memory of 1176	1164	vbc.exe	vbc.exe
PID 1164 wrote to memory of 1176	1164	vbc.exe	vbc.exe
PID 1164 wrote to memory of 1176	1164	vbc.exe	vbc.exe
PID 1164 wrote to memory of 1176	1164	vbc.exe	vbc.exe
PID 1164 wrote to memory of 1176	1164	vbc.exe	vbc.exe
PID 1368 wrote to memory of 1520	1368	Explorer.EXE	systray.exe
PID 1368 wrote to memory of 1520	1368	Explorer.EXE	systray.exe
PID 1368 wrote to memory of 1520	1368	Explorer.EXE	systray.exe
PID 1368 wrote to memory of 1520	1368	Explorer.EXE	systray.exe
PID 1520 wrote to memory of 1820	1520	systray.exe	cmd.exe
PID 1520 wrote to memory of 1820	1520	systray.exe	cmd.exe
PID 1520 wrote to memory of 1820	1520	systray.exe	cmd.exe
PID 1520 wrote to memory of 1820	1520	systray.exe	cmd.exe
PID 524 wrote to memory of 1688	524	WINWORD.EXE	splwow64.exe
PID 524 wrote to memory of 1688	524	WINWORD.EXE	splwow64.exe
PID 524 wrote to memory of 1688	524	WINWORD.EXE	splwow64.exe
PID 524 wrote to memory of 1688	524	WINWORD.EXE	splwow64.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1368

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\9aaf287388698afd5ef8bfeb1fb8ee24.rtf"
2⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:524

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:1688

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1820

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:836

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1164

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:1176

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\vbc.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
C:\Users\Public\vbc.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
C:\Users\Public\vbc.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
\Users\Admin\AppData\Local\Temp\nsy1575.tmp\dzksq.dll
MD5
52a665d244ddb5192b3494f4ca1bd978

SHA1
07bd3f140917cd3992e9b9ffc120c84af834472d

SHA256
63466cfda81d5da190e8d3198ccff849e7c651f472efd58d277add978a50f131

SHA512
c892de4792dd99d8d9eb3da0e42d80132bb613062cec56faa0429019ca3e8e32804e2d065f72cbc8c960000013e113753bcd15b836e4d19f147f37f2f12e5648

Download Submit
\Users\Public\vbc.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
\Users\Public\vbc.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
\Users\Public\vbc.exe
MD5
36e60a2ecd13869a78ad7bc9312681d0

SHA1
8ef2422980fe2641a0d101fa1649fc24c43c2e97

SHA256
b6d84072166800bd1d35ca9265107d6f26496c7375411ca818046c5a28dee9d9

SHA512
bcdfe6f2b4db1dedac564e4e50de65ef1387e9613a063bc118b9da3f66c08587aebd90923a6706ca22ddd334e7796d7c214b3636ce49c5acf0b533fd2d834a36

Download Submit
memory/524-84-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/524-58-0x0000000075F41000-0x0000000075F43000-memory.dmp

Filesize
8KB

Download
memory/524-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/524-56-0x000000006FC31000-0x000000006FC33000-memory.dmp

Filesize
8KB

Download
memory/524-55-0x00000000721B1000-0x00000000721B4000-memory.dmp

Filesize
12KB

Download
memory/1164-63-0x0000000000000000-mapping.dmp

Download
memory/1176-69-0x000000000041D4A0-mapping.dmp

Download
memory/1176-73-0x0000000000340000-0x0000000000351000-memory.dmp

Filesize
68KB

Download
memory/1176-72-0x0000000000730000-0x0000000000A33000-memory.dmp

Filesize
3.0MB

Download
memory/1176-68-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1368-74-0x00000000071C0000-0x00000000072D3000-memory.dmp

Filesize
1.1MB

Download
memory/1368-83-0x00000000064C0000-0x000000000656B000-memory.dmp

Filesize
684KB

Download
memory/1520-78-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1520-77-0x00000000008A0000-0x00000000008A5000-memory.dmp

Filesize
20KB

Download
memory/1520-79-0x0000000001F80000-0x0000000002283000-memory.dmp

Filesize
3.0MB

Download
memory/1520-80-0x0000000001D90000-0x0000000001E20000-memory.dmp

Filesize
576KB

Download
memory/1520-75-0x0000000000000000-mapping.dmp

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memory/1688-81-0x0000000000000000-mapping.dmp

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memory/1688-82-0x000007FEFB6C1000-0x000007FEFB6C3000-memory.dmp

Filesize
8KB

Download
memory/1820-76-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads