xloader | 4acfd899585cc3b46b0e523ba0cf61e4c78994e4ece49590323f41f8ec4c9eaf

General

Target

Shipping documents Invoice and Packing List, Certificate of Origin.xlsx
Size

229KB
MD5

967c89ec5975f4463d26a0811ba0facc
SHA1

aec27ed5e87b1ae3dc63cbeb3cdf6bcdd7e08b74
SHA256

4acfd899585cc3b46b0e523ba0cf61e4c78994e4ece49590323f41f8ec4c9eaf
SHA512

3090eb592a3dde7e61c5f8ae7fe25b0b7288cc596638c19957a52a32ccce2b7e491fa79208aac29e4252c7a178aa23e3768d18a6f32caaebecc62f96d579fcc1

Score

10^/10

xloader ea0r loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ea0r

C2

http://www.asiapubz-hk.com/ea0r/

Decoy

lionheartcreativestudios.com

konzertmanagement.com

blackpanther.online

broychim-int.com

takut18.com

txstarsolar.com

herdsherpa.com

igorshestakov.com

shinesbox.com

reflectpkljlt.xyz

oiltoolshub.com

viralmoneychallenge.com

changingalphastrategies.com

mecitiris.com

rdadmin.online

miniambiente.com

kominarcine.com

pino-almond.com

heihit.xyz

junqi888.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/1808-67-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1808-68-0x000000000041D410-mapping.dmp	xloader
behavioral1/memory/1816-78-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 1560 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

2032 vbc.exe
1808 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXEvbc.exe

pid process

1560 EQNEDT32.EXE
1560 EQNEDT32.EXE
1560 EQNEDT32.EXE
2032 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	1560	EQNEDT32.EXE

pid	process
2032	vbc.exe
1808	vbc.exe

pid	process
1560	EQNEDT32.EXE
1560	EQNEDT32.EXE
1560	EQNEDT32.EXE
2032	vbc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exerundll32.exe

description	pid	process	target process
PID 2032 set thread context of 1808	2032	vbc.exe	vbc.exe
PID 1808 set thread context of 1220	1808	vbc.exe	Explorer.EXE
PID 1816 set thread context of 1220	1816	rundll32.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

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

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

1560 EQNEDT32.EXE

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

pid	process
1560	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
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 HTML Editor\shell\edit\command	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\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	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-1-5-21-103686315-404690609-2047157615-1000\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 HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Key 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 MHTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\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\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	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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\ = "&Edit"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit	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\Microsoft Excel\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\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
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\Excel.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command	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\ = "&Open"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	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 (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\topic	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1648 EXCEL.EXE

pid	process
1648	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

vbc.exerundll32.exe

pid	process
1808	vbc.exe
1808	vbc.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exerundll32.exe

pid process

1808 vbc.exe
1808 vbc.exe
1808 vbc.exe
1816 rundll32.exe
1816 rundll32.exe

pid	process
1220	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

vbc.exerundll32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1808	vbc.exe
Token: SeDebugPrivilege	1816	rundll32.exe
Token: SeShutdownPrivilege	1220	Explorer.EXE
Token: SeShutdownPrivilege	1220	Explorer.EXE
Token: SeShutdownPrivilege	1220	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1648 EXCEL.EXE
1648 EXCEL.EXE
1648 EXCEL.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1648	EXCEL.EXE
1648	EXCEL.EXE
1648	EXCEL.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 1560 wrote to memory of 2032	1560	EQNEDT32.EXE	vbc.exe
PID 1560 wrote to memory of 2032	1560	EQNEDT32.EXE	vbc.exe
PID 1560 wrote to memory of 2032	1560	EQNEDT32.EXE	vbc.exe
PID 1560 wrote to memory of 2032	1560	EQNEDT32.EXE	vbc.exe
PID 2032 wrote to memory of 1808	2032	vbc.exe	vbc.exe
PID 2032 wrote to memory of 1808	2032	vbc.exe	vbc.exe
PID 2032 wrote to memory of 1808	2032	vbc.exe	vbc.exe
PID 2032 wrote to memory of 1808	2032	vbc.exe	vbc.exe
PID 2032 wrote to memory of 1808	2032	vbc.exe	vbc.exe
PID 2032 wrote to memory of 1808	2032	vbc.exe	vbc.exe
PID 2032 wrote to memory of 1808	2032	vbc.exe	vbc.exe
PID 1220 wrote to memory of 1816	1220	Explorer.EXE	rundll32.exe
PID 1220 wrote to memory of 1816	1220	Explorer.EXE	rundll32.exe
PID 1220 wrote to memory of 1816	1220	Explorer.EXE	rundll32.exe
PID 1220 wrote to memory of 1816	1220	Explorer.EXE	rundll32.exe
PID 1220 wrote to memory of 1816	1220	Explorer.EXE	rundll32.exe
PID 1220 wrote to memory of 1816	1220	Explorer.EXE	rundll32.exe
PID 1220 wrote to memory of 1816	1220	Explorer.EXE	rundll32.exe
PID 1816 wrote to memory of 1400	1816	rundll32.exe	cmd.exe
PID 1816 wrote to memory of 1400	1816	rundll32.exe	cmd.exe
PID 1816 wrote to memory of 1400	1816	rundll32.exe	cmd.exe
PID 1816 wrote to memory of 1400	1816	rundll32.exe	cmd.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:1220

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\Shipping documents Invoice and Packing List, Certificate of Origin.xlsx"
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1648

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1400

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:1560

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:2032

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:1808

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

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\vbc.exe
MD5
5d10c77689e0c3bea850fa3c9ef40e8c

SHA1
35dca95d10a31fe0b1832f43005c0a79a6854604

SHA256
8a0fb297baf6f3affb73e0c20116dec0bbbae0292fcbffc3948051555df5099d

SHA512
920b5f4c55db41e225bb760a2d26b4aec8fed0d3d66392bbe8acf91cec35097e0934a2559661dd45eaa5b2303c102eedb4c88aef91e024c05b78d6cf289f795a

Download Submit
C:\Users\Public\vbc.exe
MD5
5d10c77689e0c3bea850fa3c9ef40e8c

SHA1
35dca95d10a31fe0b1832f43005c0a79a6854604

SHA256
8a0fb297baf6f3affb73e0c20116dec0bbbae0292fcbffc3948051555df5099d

SHA512
920b5f4c55db41e225bb760a2d26b4aec8fed0d3d66392bbe8acf91cec35097e0934a2559661dd45eaa5b2303c102eedb4c88aef91e024c05b78d6cf289f795a

Download Submit
C:\Users\Public\vbc.exe
MD5
5d10c77689e0c3bea850fa3c9ef40e8c

SHA1
35dca95d10a31fe0b1832f43005c0a79a6854604

SHA256
8a0fb297baf6f3affb73e0c20116dec0bbbae0292fcbffc3948051555df5099d

SHA512
920b5f4c55db41e225bb760a2d26b4aec8fed0d3d66392bbe8acf91cec35097e0934a2559661dd45eaa5b2303c102eedb4c88aef91e024c05b78d6cf289f795a

Download Submit
\Users\Admin\AppData\Local\Temp\nsyF9BB.tmp\mpsjizjnb.dll
MD5
0815108791c7713f3a2d231a0a1f47fc

SHA1
0ee9fb0ce287805b0219b37767ce778c5ed2f482

SHA256
13a86e1868a200ce896a613f5fb0f61e548edbe7e31597e356c248f490ddaffd

SHA512
76ba98646074ca7258f083891d2e94105062ba0233a7c0ed3c46cb027a71696fd21ec811d4aad973c48105eab47fda5ad08911e6b1aef79131ee65bf8ebc093e

Download Submit
\Users\Public\vbc.exe
MD5
5d10c77689e0c3bea850fa3c9ef40e8c

SHA1
35dca95d10a31fe0b1832f43005c0a79a6854604

SHA256
8a0fb297baf6f3affb73e0c20116dec0bbbae0292fcbffc3948051555df5099d

SHA512
920b5f4c55db41e225bb760a2d26b4aec8fed0d3d66392bbe8acf91cec35097e0934a2559661dd45eaa5b2303c102eedb4c88aef91e024c05b78d6cf289f795a

Download Submit
\Users\Public\vbc.exe
MD5
5d10c77689e0c3bea850fa3c9ef40e8c

SHA1
35dca95d10a31fe0b1832f43005c0a79a6854604

SHA256
8a0fb297baf6f3affb73e0c20116dec0bbbae0292fcbffc3948051555df5099d

SHA512
920b5f4c55db41e225bb760a2d26b4aec8fed0d3d66392bbe8acf91cec35097e0934a2559661dd45eaa5b2303c102eedb4c88aef91e024c05b78d6cf289f795a

Download Submit
\Users\Public\vbc.exe
MD5
5d10c77689e0c3bea850fa3c9ef40e8c

SHA1
35dca95d10a31fe0b1832f43005c0a79a6854604

SHA256
8a0fb297baf6f3affb73e0c20116dec0bbbae0292fcbffc3948051555df5099d

SHA512
920b5f4c55db41e225bb760a2d26b4aec8fed0d3d66392bbe8acf91cec35097e0934a2559661dd45eaa5b2303c102eedb4c88aef91e024c05b78d6cf289f795a

Download Submit
memory/1220-73-0x0000000006BB0000-0x0000000006CC1000-memory.dmp

Filesize
1.1MB

Download
memory/1220-81-0x0000000006940000-0x00000000069F9000-memory.dmp

Filesize
740KB

Download
memory/1400-76-0x0000000000000000-mapping.dmp

Download
memory/1560-58-0x0000000075A01000-0x0000000075A03000-memory.dmp

Filesize
8KB

Download
memory/1648-55-0x000000002F881000-0x000000002F884000-memory.dmp

Filesize
12KB

Download
memory/1648-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1648-82-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1648-56-0x0000000071571000-0x0000000071573000-memory.dmp

Filesize
8KB

Download
memory/1808-72-0x00000000002D0000-0x00000000002E1000-memory.dmp

Filesize
68KB

Download
memory/1808-71-0x0000000000830000-0x0000000000B33000-memory.dmp

Filesize
3.0MB

Download
memory/1808-68-0x000000000041D410-mapping.dmp

Download
memory/1808-67-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1816-74-0x0000000000000000-mapping.dmp

Download
memory/1816-78-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1816-77-0x00000000003E0000-0x00000000003EE000-memory.dmp

Filesize
56KB

Download
memory/1816-79-0x00000000021D0000-0x00000000024D3000-memory.dmp

Filesize
3.0MB

Download
memory/1816-80-0x0000000000A10000-0x0000000000AA0000-memory.dmp

Filesize
576KB

Download
memory/2032-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads