xloader | c8205c3951b61fb4bc8f6777073cfd3546982746d6dd5801a6ec39c447c9d4db

General

Target

INQUIRY-19052022.xlsx
Size

223KB
MD5

c5c836b9e1b1fe4f0fde289fec3259e6
SHA1

bc7e32fd06cb184cd22750be32541e266410a10e
SHA256

c8205c3951b61fb4bc8f6777073cfd3546982746d6dd5801a6ec39c447c9d4db
SHA512

7f980116962422c739355a9bacff76b5887d4703225abcbcc9c07fdf019b5ec9f58def668b6edb3f2feda889874afa4f2d94306165e6c88218f2ec38271b632a

Score

10^/10

xloader be4o loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

be4o

Decoy

laboratoriobioixcha.com

tictocperushop.online

wild-oceans.com

belaruscountry.com

kicktmall.com

fitcoinweb.tech

mores.one

gogear.one

gxrcksy.com

samrcq.com

impossible-icecream.com

bravesxx.com

bookchainart.com

sleepsolutionsofmboro.com

ocbrazilbusinessclub.com

advisor76.xyz

xitaotech.com

mgsdtytifgf3414.xyz

johnson-brown.net

cr3drt.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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1904-71-0x000000000041F270-mapping.dmp	xloader
behavioral1/memory/1904-70-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1904-73-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1888-81-0x00000000000F0000-0x000000000011B000-memory.dmp	xloader

Blocklisted process makes network request 3 IoCs

Processes:

EQNEDT32.EXErundll32.exe

flow pid process

3 1992 EQNEDT32.EXE
5 1992 EQNEDT32.EXE
15 1888 rundll32.exe
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

vbc.exe

pid process

336 vbc.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

1992 EQNEDT32.EXE
1992 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
3	1992	EQNEDT32.EXE
5	1992	EQNEDT32.EXE
15	1888	rundll32.exe

pid	process
336	vbc.exe

pid	process
1992	EQNEDT32.EXE
1992	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exerundll32.exe

description	pid	process	target process
PID 336 set thread context of 1904	336	vbc.exe	vbc.exe
PID 1904 set thread context of 1260	1904	vbc.exe	Explorer.EXE
PID 1888 set thread context of 1260	1888	rundll32.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

1992 EQNEDT32.EXE

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

pid	process
1992	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
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 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 MHTML Editor\shell\edit\command	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 (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
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 HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	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\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\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
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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Toolbar	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\edit\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\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	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 HTML Editor\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

948 EXCEL.EXE

pid	process
948	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

vbc.exerundll32.exe

pid	process
1904	vbc.exe
1904	vbc.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe
1888	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exerundll32.exe

pid process

1904 vbc.exe
1904 vbc.exe
1904 vbc.exe
1888 rundll32.exe
1888 rundll32.exe

pid	process
1260	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

vbc.exerundll32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1904	vbc.exe
Token: SeDebugPrivilege	1888	rundll32.exe
Token: SeShutdownPrivilege	1260	Explorer.EXE
Token: SeShutdownPrivilege	1260	Explorer.EXE
Token: SeShutdownPrivilege	1260	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

948 EXCEL.EXE
948 EXCEL.EXE
948 EXCEL.EXE

pid	process
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 1992 wrote to memory of 336	1992	EQNEDT32.EXE	vbc.exe
PID 1992 wrote to memory of 336	1992	EQNEDT32.EXE	vbc.exe
PID 1992 wrote to memory of 336	1992	EQNEDT32.EXE	vbc.exe
PID 1992 wrote to memory of 336	1992	EQNEDT32.EXE	vbc.exe
PID 336 wrote to memory of 1904	336	vbc.exe	vbc.exe
PID 336 wrote to memory of 1904	336	vbc.exe	vbc.exe
PID 336 wrote to memory of 1904	336	vbc.exe	vbc.exe
PID 336 wrote to memory of 1904	336	vbc.exe	vbc.exe
PID 336 wrote to memory of 1904	336	vbc.exe	vbc.exe
PID 336 wrote to memory of 1904	336	vbc.exe	vbc.exe
PID 336 wrote to memory of 1904	336	vbc.exe	vbc.exe
PID 1260 wrote to memory of 1888	1260	Explorer.EXE	rundll32.exe
PID 1260 wrote to memory of 1888	1260	Explorer.EXE	rundll32.exe
PID 1260 wrote to memory of 1888	1260	Explorer.EXE	rundll32.exe
PID 1260 wrote to memory of 1888	1260	Explorer.EXE	rundll32.exe
PID 1260 wrote to memory of 1888	1260	Explorer.EXE	rundll32.exe
PID 1260 wrote to memory of 1888	1260	Explorer.EXE	rundll32.exe
PID 1260 wrote to memory of 1888	1260	Explorer.EXE	rundll32.exe
PID 1888 wrote to memory of 1900	1888	rundll32.exe	cmd.exe
PID 1888 wrote to memory of 1900	1888	rundll32.exe	cmd.exe
PID 1888 wrote to memory of 1900	1888	rundll32.exe	cmd.exe
PID 1888 wrote to memory of 1900	1888	rundll32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260

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\INQUIRY-19052022.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:948

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
PID:1900

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:1992

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:336

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1904

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

Scripting

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Public\vbc.exe

Filesize
260KB

MD5
27fe38ce70fca4c4526c07a42449f11e

SHA1
cd9243f1b525d08290f1bb2c428235a40e0a423e

SHA256
fe55fb664c32bacbd76bf8859a8a2cd17f23d21f08a22ac9881cb0fa33935990

SHA512
d68a45d7c19e2a13da3e68b17823578e4e0cd17e949931b90d1fb211ffee3d46f90acf28e1b93b76435c6f8c5da4050150e993c8e7d6a4d5af5114702d155d80

Download Submit
C:\Users\Public\vbc.exe

Filesize
260KB

MD5
27fe38ce70fca4c4526c07a42449f11e

SHA1
cd9243f1b525d08290f1bb2c428235a40e0a423e

SHA256
fe55fb664c32bacbd76bf8859a8a2cd17f23d21f08a22ac9881cb0fa33935990

SHA512
d68a45d7c19e2a13da3e68b17823578e4e0cd17e949931b90d1fb211ffee3d46f90acf28e1b93b76435c6f8c5da4050150e993c8e7d6a4d5af5114702d155d80

Download Submit
\Users\Public\vbc.exe

Filesize
260KB

MD5
27fe38ce70fca4c4526c07a42449f11e

SHA1
cd9243f1b525d08290f1bb2c428235a40e0a423e

SHA256
fe55fb664c32bacbd76bf8859a8a2cd17f23d21f08a22ac9881cb0fa33935990

SHA512
d68a45d7c19e2a13da3e68b17823578e4e0cd17e949931b90d1fb211ffee3d46f90acf28e1b93b76435c6f8c5da4050150e993c8e7d6a4d5af5114702d155d80

Download Submit
\Users\Public\vbc.exe

Filesize
260KB

MD5
27fe38ce70fca4c4526c07a42449f11e

SHA1
cd9243f1b525d08290f1bb2c428235a40e0a423e

SHA256
fe55fb664c32bacbd76bf8859a8a2cd17f23d21f08a22ac9881cb0fa33935990

SHA512
d68a45d7c19e2a13da3e68b17823578e4e0cd17e949931b90d1fb211ffee3d46f90acf28e1b93b76435c6f8c5da4050150e993c8e7d6a4d5af5114702d155d80

Download Submit
memory/336-62-0x0000000000000000-mapping.dmp

Download
memory/336-65-0x0000000001310000-0x0000000001356000-memory.dmp

Filesize
280KB

Download
memory/948-54-0x000000002F711000-0x000000002F714000-memory.dmp

Filesize
12KB

Download
memory/948-55-0x00000000717B1000-0x00000000717B3000-memory.dmp

Filesize
8KB

Download
memory/948-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/948-57-0x000000007279D000-0x00000000727A8000-memory.dmp

Filesize
44KB

Download
memory/948-58-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/948-85-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1260-76-0x00000000071A0000-0x00000000072DE000-memory.dmp

Filesize
1.2MB

Download
memory/1260-84-0x0000000006BF0000-0x0000000006CC7000-memory.dmp

Filesize
860KB

Download
memory/1888-81-0x00000000000F0000-0x000000000011B000-memory.dmp

Filesize
172KB

Download
memory/1888-77-0x0000000000000000-mapping.dmp

Download
memory/1888-80-0x0000000000430000-0x000000000043E000-memory.dmp

Filesize
56KB

Download
memory/1888-82-0x00000000020F0000-0x00000000023F3000-memory.dmp

Filesize
3.0MB

Download
memory/1888-83-0x00000000008E0000-0x0000000000970000-memory.dmp

Filesize
576KB

Download
memory/1900-79-0x0000000000000000-mapping.dmp

Download
memory/1904-73-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1904-74-0x0000000000870000-0x0000000000B73000-memory.dmp

Filesize
3.0MB

Download
memory/1904-75-0x0000000000300000-0x0000000000311000-memory.dmp

Filesize
68KB

Download
memory/1904-68-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1904-71-0x000000000041F270-mapping.dmp

Download
memory/1904-70-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1904-67-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads