xloader | fe992d5f32cefe42e11076d5da2cc065de03d199600fd8d230c798a4281466c1

General

Target

sample catalog2022.xlsx
Size

150KB
MD5

d023bbd88318f953625c00335d3bb2ca
SHA1

cf31252435f2da2c907fc06cfa7166e7b5561b09
SHA256

fe992d5f32cefe42e11076d5da2cc065de03d199600fd8d230c798a4281466c1
SHA512

2656a5040821933ab1bb473128311126dccf2455110fba5b733e88b3cab45327c9d877c50a31b45da1c54c91c8422af2e159af97a65ecaf5b0fb2e20fe4a87a3

Score

10^/10

xloader vweq loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

vweq

Decoy

malang-media.com

mrsfence.com

lubetops.com

aitimedia.net

montecryptocapital.com

ahwmedia.com

bvmnc.site

bggearstore.com

bcsantacoloma.online

alltimephotography.com

santacruz-roofings.com

leaplifestyleenterprises.com

censovet.com

similkameenfarms.com

undisclosed.email

thetrinityco.com

rapiturs.com

jedlersdorf.info

mh7jk12e.xyz

flygurlblogwordpress.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1500-84-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1500-85-0x000000000041F280-mapping.dmp	xloader
behavioral1/memory/1500-91-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1664-93-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

17 1912 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

vbc.exe

pid process

1412 vbc.exe
Abuses OpenXML format to download file from external location
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

1912 EQNEDT32.EXE
1912 EQNEDT32.EXE
1912 EQNEDT32.EXE
1912 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
17	1912	EQNEDT32.EXE

pid	process
1412	vbc.exe

pid	process
1912	EQNEDT32.EXE
1912	EQNEDT32.EXE
1912	EQNEDT32.EXE
1912	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.execvtres.execmmon32.exe

description	pid	process	target process
PID 1412 set thread context of 1500	1412	vbc.exe	cvtres.exe
PID 1500 set thread context of 1220	1500	cvtres.exe	Explorer.EXE
PID 1664 set thread context of 1220	1664	cmmon32.exe	Explorer.EXE

Office loads VBA resources, possible macro or embedded object present
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

1912 EQNEDT32.EXE

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

pid	process
1912	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXEWINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key deleted	\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 (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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\shell	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&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 MHTML Editor\shell\edit	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
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	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 MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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\edit\command	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	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2016 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

cvtres.execmmon32.exe

pid process

1500 cvtres.exe
1500 cvtres.exe
1664 cmmon32.exe
1664 cmmon32.exe
1664 cmmon32.exe
1664 cmmon32.exe
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

cvtres.execmmon32.exe

pid process

1500 cvtres.exe
1500 cvtres.exe
1500 cvtres.exe
1664 cmmon32.exe
1664 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cvtres.execmmon32.exe

description pid process

Token: SeDebugPrivilege 1500 cvtres.exe
Token: SeDebugPrivilege 1664 cmmon32.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

2016 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXEWINWORD.EXE

pid process

2016 EXCEL.EXE
2016 EXCEL.EXE
2016 EXCEL.EXE
1012 WINWORD.EXE
1012 WINWORD.EXE

pid	process
2016	EXCEL.EXE

pid	process
1500	cvtres.exe
1500	cvtres.exe
1664	cmmon32.exe
1664	cmmon32.exe
1664	cmmon32.exe
1664	cmmon32.exe

pid	process
1500	cvtres.exe
1500	cvtres.exe
1500	cvtres.exe
1664	cmmon32.exe
1664	cmmon32.exe

description	pid	process
Token: SeDebugPrivilege	1500	cvtres.exe
Token: SeDebugPrivilege	1664	cmmon32.exe

pid	process
2016	EXCEL.EXE

pid	process
2016	EXCEL.EXE
2016	EXCEL.EXE
2016	EXCEL.EXE
1012	WINWORD.EXE
1012	WINWORD.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEvbc.exeExplorer.EXE

description	pid	process	target process
PID 1912 wrote to memory of 1412	1912	EQNEDT32.EXE	vbc.exe
PID 1912 wrote to memory of 1412	1912	EQNEDT32.EXE	vbc.exe
PID 1912 wrote to memory of 1412	1912	EQNEDT32.EXE	vbc.exe
PID 1912 wrote to memory of 1412	1912	EQNEDT32.EXE	vbc.exe
PID 1012 wrote to memory of 1616	1012	WINWORD.EXE	splwow64.exe
PID 1012 wrote to memory of 1616	1012	WINWORD.EXE	splwow64.exe
PID 1012 wrote to memory of 1616	1012	WINWORD.EXE	splwow64.exe
PID 1012 wrote to memory of 1616	1012	WINWORD.EXE	splwow64.exe
PID 1412 wrote to memory of 1500	1412	vbc.exe	cvtres.exe
PID 1412 wrote to memory of 1500	1412	vbc.exe	cvtres.exe
PID 1412 wrote to memory of 1500	1412	vbc.exe	cvtres.exe
PID 1412 wrote to memory of 1500	1412	vbc.exe	cvtres.exe
PID 1412 wrote to memory of 1500	1412	vbc.exe	cvtres.exe
PID 1412 wrote to memory of 1500	1412	vbc.exe	cvtres.exe
PID 1412 wrote to memory of 1500	1412	vbc.exe	cvtres.exe
PID 1220 wrote to memory of 1664	1220	Explorer.EXE	cmmon32.exe
PID 1220 wrote to memory of 1664	1220	Explorer.EXE	cmmon32.exe
PID 1220 wrote to memory of 1664	1220	Explorer.EXE	cmmon32.exe
PID 1220 wrote to memory of 1664	1220	Explorer.EXE	cmmon32.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- 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\sample catalog2022.xlsx"
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2016

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
PID:1664

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1012

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1616

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:1912

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1412

C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1500

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\J2W67U9P\receipt[1].doc
Filesize
22KB

MD5
6fa8121b9ae4f6eab16dc18dcb494e68

SHA1
49cee1ceddc0a30b5d050f66b5761c6225eb3a95

SHA256
ff06a4fd63cf1ff601d94aab58c4afc6e1cc59a41309c7e7d174f6d8e3276fff

SHA512
da4f0c87f04215010de0ab66215a054b877cfb83775b7020d494c63c998ec9d0ad36daa30775ad3a51e58385ff70598e37b124dff7ff0034af68cd8c3fc692d9

Download Submit
C:\Users\Public\vbc.exe
Filesize
375KB

MD5
b857739668dc8549f3bdfe3a19892b99

SHA1
05d1cd9c7339297ff9fbf8acf35636e45455bd29

SHA256
edb81a4eb25b2b09355726ace9e60663b91fb75802c21a550980b84b8827fccf

SHA512
7549c0c6db7d8ea1b6899b40e169769c0d64f5dda8f02dc5aaf3e82a4cd5c4914f6b1cf3e5fadaed1505f3cca665bb00b4f7838404f94a40a0dfd3f1c10fb3cc

Download Submit
C:\Users\Public\vbc.exe
Filesize
375KB

MD5
b857739668dc8549f3bdfe3a19892b99

SHA1
05d1cd9c7339297ff9fbf8acf35636e45455bd29

SHA256
edb81a4eb25b2b09355726ace9e60663b91fb75802c21a550980b84b8827fccf

SHA512
7549c0c6db7d8ea1b6899b40e169769c0d64f5dda8f02dc5aaf3e82a4cd5c4914f6b1cf3e5fadaed1505f3cca665bb00b4f7838404f94a40a0dfd3f1c10fb3cc

Download Submit
\Users\Public\vbc.exe
Filesize
375KB

MD5
b857739668dc8549f3bdfe3a19892b99

SHA1
05d1cd9c7339297ff9fbf8acf35636e45455bd29

SHA256
edb81a4eb25b2b09355726ace9e60663b91fb75802c21a550980b84b8827fccf

SHA512
7549c0c6db7d8ea1b6899b40e169769c0d64f5dda8f02dc5aaf3e82a4cd5c4914f6b1cf3e5fadaed1505f3cca665bb00b4f7838404f94a40a0dfd3f1c10fb3cc

Download Submit
\Users\Public\vbc.exe
Filesize
375KB

MD5
b857739668dc8549f3bdfe3a19892b99

SHA1
05d1cd9c7339297ff9fbf8acf35636e45455bd29

SHA256
edb81a4eb25b2b09355726ace9e60663b91fb75802c21a550980b84b8827fccf

SHA512
7549c0c6db7d8ea1b6899b40e169769c0d64f5dda8f02dc5aaf3e82a4cd5c4914f6b1cf3e5fadaed1505f3cca665bb00b4f7838404f94a40a0dfd3f1c10fb3cc

Download Submit
\Users\Public\vbc.exe
Filesize
375KB

MD5
b857739668dc8549f3bdfe3a19892b99

SHA1
05d1cd9c7339297ff9fbf8acf35636e45455bd29

SHA256
edb81a4eb25b2b09355726ace9e60663b91fb75802c21a550980b84b8827fccf

SHA512
7549c0c6db7d8ea1b6899b40e169769c0d64f5dda8f02dc5aaf3e82a4cd5c4914f6b1cf3e5fadaed1505f3cca665bb00b4f7838404f94a40a0dfd3f1c10fb3cc

Download Submit
\Users\Public\vbc.exe
Filesize
375KB

MD5
b857739668dc8549f3bdfe3a19892b99

SHA1
05d1cd9c7339297ff9fbf8acf35636e45455bd29

SHA256
edb81a4eb25b2b09355726ace9e60663b91fb75802c21a550980b84b8827fccf

SHA512
7549c0c6db7d8ea1b6899b40e169769c0d64f5dda8f02dc5aaf3e82a4cd5c4914f6b1cf3e5fadaed1505f3cca665bb00b4f7838404f94a40a0dfd3f1c10fb3cc

Download Submit
memory/1012-60-0x000000006BD31000-0x000000006BD34000-memory.dmp

Filesize
12KB

Download
memory/1012-63-0x0000000072A7D000-0x0000000072A88000-memory.dmp

Filesize
44KB

Download
memory/1012-65-0x0000000072A7D000-0x0000000072A88000-memory.dmp

Filesize
44KB

Download
memory/1220-96-0x0000000007500000-0x000000000767A000-memory.dmp

Filesize
1.5MB

Download
memory/1220-89-0x0000000006150000-0x0000000006290000-memory.dmp

Filesize
1.2MB

Download
memory/1412-76-0x00000000003B0000-0x00000000003E2000-memory.dmp

Filesize
200KB

Download
memory/1412-75-0x0000000000D90000-0x0000000000DF0000-memory.dmp

Filesize
384KB

Download
memory/1412-72-0x0000000000000000-mapping.dmp

Download
memory/1412-77-0x0000000000570000-0x00000000005A4000-memory.dmp

Filesize
208KB

Download
memory/1500-84-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1500-85-0x000000000041F280-mapping.dmp

Download
memory/1500-91-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1500-88-0x0000000000190000-0x00000000001A1000-memory.dmp

Filesize
68KB

Download
memory/1500-87-0x0000000000A70000-0x0000000000D73000-memory.dmp

Filesize
3.0MB

Download
memory/1500-81-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1500-82-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1616-78-0x0000000000000000-mapping.dmp

Download
memory/1616-79-0x000007FEFC1F1000-0x000007FEFC1F3000-memory.dmp

Filesize
8KB

Download
memory/1664-92-0x0000000000EF0000-0x0000000000EFD000-memory.dmp

Filesize
52KB

Download
memory/1664-90-0x0000000000000000-mapping.dmp

Download
memory/1664-93-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1664-94-0x00000000009A0000-0x0000000000CA3000-memory.dmp

Filesize
3.0MB

Download
memory/1664-95-0x0000000000840000-0x00000000008D0000-memory.dmp

Filesize
576KB

Download
memory/2016-59-0x0000000072A7D000-0x0000000072A88000-memory.dmp

Filesize
44KB

Download
memory/2016-80-0x000000006B141000-0x000000006B143000-memory.dmp

Filesize
8KB

Download
memory/2016-58-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/2016-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2016-54-0x000000002FF51000-0x000000002FF54000-memory.dmp

Filesize
12KB

Download
memory/2016-57-0x0000000072A7D000-0x0000000072A88000-memory.dmp

Filesize
44KB

Download
memory/2016-55-0x0000000071A91000-0x0000000071A93000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads