xloader | b8587aa8266f54f19957e82df6402ebc56e77f77bd1614ceeee91b9cd8b5b4b4

General

Target

tmp/b8587aa8266f54f19957e82df6402ebc56e77f77bd1614ceeee91b9cd8b5b4b4.xls
Size

310KB
MD5

f1f0cc08d95ede93773d5c81ca809905
SHA1

418aadf3d11ff4aaf77cc30f331588ac22d00f38
SHA256

b8587aa8266f54f19957e82df6402ebc56e77f77bd1614ceeee91b9cd8b5b4b4
SHA512

227f9227ccf4f7849f8819fff109b263c61abd074ce9bf956f6b2dfc47a72b14c09d7df1f8f7bff9c40c9fe43cc6f530c5f97425c4eccce9553bfc7f0bc1194e

Score

10^/10

xloader pnug loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pnug

Decoy

natureate.com

ita-pots.website

sucohansmushroom.com

produrielrosen.com

gosystemupdatenow.online

jiskra.art

janwiench.com

norfolkfoodhall.com

iloveaddictss.com

pogozip.com

buyinstapva.com

teardirectionfreedom.xyz

0205168.com

apaixonadosporpugs.online

jawscoinc.com

crafter.quest

wikipedianow.com

radiopuls.net

kendama-co.com

goodstudycanada.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/1940-65-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1940-66-0x000000000041D400-mapping.dmp	xloader
behavioral1/memory/1740-75-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 964 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1568 vbc.exe
1940 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXEvbc.exe

pid process

964 EQNEDT32.EXE
964 EQNEDT32.EXE
964 EQNEDT32.EXE
1568 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	964	EQNEDT32.EXE

pid	process
1568	vbc.exe
1940	vbc.exe

pid	process
964	EQNEDT32.EXE
964	EQNEDT32.EXE
964	EQNEDT32.EXE
1568	vbc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.execmmon32.exe

description	pid	process	target process
PID 1568 set thread context of 1940	1568	vbc.exe	vbc.exe
PID 1940 set thread context of 1208	1940	vbc.exe	Explorer.EXE
PID 1740 set thread context of 1208	1740	cmmon32.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

964 EQNEDT32.EXE

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

pid	process
964	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\command	EXCEL.EXE
Key deleted	\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 MHTML Editor\shell	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 (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 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 HTML 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 HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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 (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\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 MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt	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 created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\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 HTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (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

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1688 EXCEL.EXE

pid	process
1688	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

vbc.execmmon32.exe

pid	process
1940	vbc.exe
1940	vbc.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe
1740	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.execmmon32.exe

pid process

1940 vbc.exe
1940 vbc.exe
1940 vbc.exe
1740 cmmon32.exe
1740 cmmon32.exe

pid	process
1208	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

vbc.execmmon32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1940	vbc.exe
Token: SeDebugPrivilege	1740	cmmon32.exe
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

EXCEL.EXE

pid process

1688 EXCEL.EXE
1688 EXCEL.EXE
1688 EXCEL.EXE
1688 EXCEL.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 964 wrote to memory of 1568	964	EQNEDT32.EXE	vbc.exe
PID 964 wrote to memory of 1568	964	EQNEDT32.EXE	vbc.exe
PID 964 wrote to memory of 1568	964	EQNEDT32.EXE	vbc.exe
PID 964 wrote to memory of 1568	964	EQNEDT32.EXE	vbc.exe
PID 1568 wrote to memory of 1940	1568	vbc.exe	vbc.exe
PID 1568 wrote to memory of 1940	1568	vbc.exe	vbc.exe
PID 1568 wrote to memory of 1940	1568	vbc.exe	vbc.exe
PID 1568 wrote to memory of 1940	1568	vbc.exe	vbc.exe
PID 1568 wrote to memory of 1940	1568	vbc.exe	vbc.exe
PID 1568 wrote to memory of 1940	1568	vbc.exe	vbc.exe
PID 1568 wrote to memory of 1940	1568	vbc.exe	vbc.exe
PID 1208 wrote to memory of 1740	1208	Explorer.EXE	cmmon32.exe
PID 1208 wrote to memory of 1740	1208	Explorer.EXE	cmmon32.exe
PID 1208 wrote to memory of 1740	1208	Explorer.EXE	cmmon32.exe
PID 1208 wrote to memory of 1740	1208	Explorer.EXE	cmmon32.exe
PID 1740 wrote to memory of 1964	1740	cmmon32.exe	cmd.exe
PID 1740 wrote to memory of 1964	1740	cmmon32.exe	cmd.exe
PID 1740 wrote to memory of 1964	1740	cmmon32.exe	cmd.exe
PID 1740 wrote to memory of 1964	1740	cmmon32.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:1208

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\tmp\b8587aa8266f54f19957e82df6402ebc56e77f77bd1614ceeee91b9cd8b5b4b4.xls
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1688

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1964

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:964

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:1568

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:1940

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
886375fa6ecb64fa31dd20b8688216cc

SHA1
5b23e5b6fbe5add5b7a891288c66ac2df05dd52a

SHA256
4f64511b423d79682dfad8f6b516516d32e801f0031f07b7e3c6c19798a64b95

SHA512
5a9065efc8ea242a3efb66e809de949e13f214660d1f79a66a86cfee32f966ae838b5fd6d34aacb7d82d4ebc8682f44364ba917b43d5770c3d7260a99c80a849

Download Submit
C:\Users\Public\vbc.exe
MD5
886375fa6ecb64fa31dd20b8688216cc

SHA1
5b23e5b6fbe5add5b7a891288c66ac2df05dd52a

SHA256
4f64511b423d79682dfad8f6b516516d32e801f0031f07b7e3c6c19798a64b95

SHA512
5a9065efc8ea242a3efb66e809de949e13f214660d1f79a66a86cfee32f966ae838b5fd6d34aacb7d82d4ebc8682f44364ba917b43d5770c3d7260a99c80a849

Download Submit
C:\Users\Public\vbc.exe
MD5
886375fa6ecb64fa31dd20b8688216cc

SHA1
5b23e5b6fbe5add5b7a891288c66ac2df05dd52a

SHA256
4f64511b423d79682dfad8f6b516516d32e801f0031f07b7e3c6c19798a64b95

SHA512
5a9065efc8ea242a3efb66e809de949e13f214660d1f79a66a86cfee32f966ae838b5fd6d34aacb7d82d4ebc8682f44364ba917b43d5770c3d7260a99c80a849

Download Submit
\Users\Admin\AppData\Local\Temp\nsiABC.tmp\dzqcmmok.dll
MD5
26cc8ace0ba0757e74668322ad6c988c

SHA1
b6c03df73c62d5cae48365856031bb15be5f30ea

SHA256
7602dd51d81cac5ea4f9c90e326bcaf2c445bc4f43a382645a99a2a4b391b836

SHA512
ecc36935593ee4ef0092d7ae7e445c2d2665779a7a97a4fe4235f68cfe34a29040a16a343dc9a1ca93ad7f1905f9658349c1bc6768c91822a72eeaa277c7ffac

Download Submit
\Users\Public\vbc.exe
MD5
886375fa6ecb64fa31dd20b8688216cc

SHA1
5b23e5b6fbe5add5b7a891288c66ac2df05dd52a

SHA256
4f64511b423d79682dfad8f6b516516d32e801f0031f07b7e3c6c19798a64b95

SHA512
5a9065efc8ea242a3efb66e809de949e13f214660d1f79a66a86cfee32f966ae838b5fd6d34aacb7d82d4ebc8682f44364ba917b43d5770c3d7260a99c80a849

Download Submit
\Users\Public\vbc.exe
MD5
886375fa6ecb64fa31dd20b8688216cc

SHA1
5b23e5b6fbe5add5b7a891288c66ac2df05dd52a

SHA256
4f64511b423d79682dfad8f6b516516d32e801f0031f07b7e3c6c19798a64b95

SHA512
5a9065efc8ea242a3efb66e809de949e13f214660d1f79a66a86cfee32f966ae838b5fd6d34aacb7d82d4ebc8682f44364ba917b43d5770c3d7260a99c80a849

Download Submit
\Users\Public\vbc.exe
MD5
886375fa6ecb64fa31dd20b8688216cc

SHA1
5b23e5b6fbe5add5b7a891288c66ac2df05dd52a

SHA256
4f64511b423d79682dfad8f6b516516d32e801f0031f07b7e3c6c19798a64b95

SHA512
5a9065efc8ea242a3efb66e809de949e13f214660d1f79a66a86cfee32f966ae838b5fd6d34aacb7d82d4ebc8682f44364ba917b43d5770c3d7260a99c80a849

Download Submit
memory/964-56-0x0000000076151000-0x0000000076153000-memory.dmp

Filesize
8KB

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memory/1208-81-0x000007FE81810000-0x000007FE8181A000-memory.dmp

Filesize
40KB

Download
memory/1208-80-0x000007FEF62D0000-0x000007FEF6413000-memory.dmp

Filesize
1.3MB

Download
memory/1208-79-0x00000000070C0000-0x000000000724D000-memory.dmp

Filesize
1.6MB

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memory/1208-71-0x00000000060F0000-0x0000000006227000-memory.dmp

Filesize
1.2MB

Download
memory/1568-60-0x0000000000000000-mapping.dmp

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memory/1688-53-0x000000002F981000-0x000000002F984000-memory.dmp

Filesize
12KB

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memory/1688-55-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1688-54-0x0000000071401000-0x0000000071403000-memory.dmp

Filesize
8KB

Download
memory/1688-78-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1740-72-0x0000000000000000-mapping.dmp

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memory/1740-74-0x00000000005B0000-0x00000000005BD000-memory.dmp

Filesize
52KB

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memory/1740-75-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

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memory/1740-76-0x0000000001FB0000-0x00000000022B3000-memory.dmp

Filesize
3.0MB

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memory/1740-77-0x0000000001D70000-0x0000000001E00000-memory.dmp

Filesize
576KB

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memory/1940-70-0x00000000002C0000-0x00000000002D1000-memory.dmp

Filesize
68KB

Download
memory/1940-69-0x0000000000800000-0x0000000000B03000-memory.dmp

Filesize
3.0MB

Download
memory/1940-66-0x000000000041D400-mapping.dmp

Download
memory/1940-65-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1964-73-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads