xloader | baea29755ad7d0d89ae6ec2229bb06fafaf5a68869b3f07adad15e7020a79fd1

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20220414-en
submitted
28-06-2022 08:26

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General

Target

WSAPW0650867.xlsx
Size

162KB
MD5

2f61395a0fe614c7eedf81c320828162
SHA1

5df8981874133d46ce0191a57708700c6388e3da
SHA256

baea29755ad7d0d89ae6ec2229bb06fafaf5a68869b3f07adad15e7020a79fd1
SHA512

b321278919028dd0e2f69e3c69f3fdd933dc1cf424ea73267f9aa6025ba5c96c6c0973a993fac52c1a4583e4147251408152cb6b1eec2f5afc5591fb1b6d1a01

Score

10^/10

xloader iewb loader persistence rat spyware stealer suricata

Malware Config

Extracted

Family

xloader

Version

2.9

Campaign

iewb

Decoy

n8FLlgIlb1rSEg5hJ9xMbw4hcmR38Q==

5vIAIY+pt81OtWs+FdIEdk7Y

LHIKc+oWGIQUUlfAAtEEdk7Y

ePM/cX2jvHrS

5hvPEw22+fdvmJz3C8FIVq0=

mb9EeX2jvHrS

Dx2zIYNvfjo8VUo5

6jVPnyJekv2RAc4gLKNwEqQ=

KWatHyjdE5Gj1Ng=

t9lk70gzUAZty4qjbVjF

6eUBeFPzKBWT125BFNIEdk7Y

dZUXOIyqTJGj1Ng=

iL3TVh2Jl5QVStnzxcAhIL8=

J1prtyklUfZGR/xDD71IbkWRd2yx

s9FgCOBRW9bU0Y6jbVjF

RYCbQDzcFBhcylgu

Fl0BV/8RJm6F9QRg8LXXTLo=

0dhumHzrCCZ3wdQg7nFF1AlL6Tk=

xvL+iL6wwX+/wH9K4lbZ/A==

N0lVceIFD5Gj1Ng=

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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1768-87-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1768-88-0x000000000041F840-mapping.dmp	xloader
behavioral1/memory/1768-95-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1588-98-0x00000000000C0000-0x00000000000EC000-memory.dmp	xloader
behavioral1/memory/1588-101-0x00000000000C0000-0x00000000000EC000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

help.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	help.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\J0HXNT2HK6R = "C:\\Program Files (x86)\\Ga8t\\config6lghh6d.exe"	help.exe

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

8 2044 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1696 vbc.exe
1768 vbc.exe
Abuses OpenXML format to download file from external location
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

vbc.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation vbc.exe
Loads dropped DLL 6 IoCs

Processes:

EQNEDT32.EXEhelp.exe

pid process

2044 EQNEDT32.EXE
2044 EQNEDT32.EXE
2044 EQNEDT32.EXE
2044 EQNEDT32.EXE
2044 EQNEDT32.EXE
1588 help.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
8	2044	EQNEDT32.EXE

pid	process
1696	vbc.exe
1768	vbc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	vbc.exe

pid	process
2044	EQNEDT32.EXE
2044	EQNEDT32.EXE
2044	EQNEDT32.EXE
2044	EQNEDT32.EXE
2044	EQNEDT32.EXE
1588	help.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exehelp.exe

description	pid	process	target process
PID 1696 set thread context of 1768	1696	vbc.exe	vbc.exe
PID 1768 set thread context of 1428	1768	vbc.exe	Explorer.EXE
PID 1588 set thread context of 1428	1588	help.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

help.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ga8t\config6lghh6d.exe help.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

2044 EQNEDT32.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ga8t\config6lghh6d.exe	help.exe

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

pid	process
2044	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXEEXCEL.EXEhelp.exe

description	ioc	process
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\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	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
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	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\edit\COMMAND	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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 MHTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

560 EXCEL.EXE

pid	process
560	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

vbc.exehelp.exe

pid	process
1768	vbc.exe
1768	vbc.exe
1588	help.exe
1588	help.exe
1588	help.exe
1588	help.exe
1588	help.exe
1588	help.exe
1588	help.exe
1588	help.exe
1588	help.exe
1588	help.exe
1588	help.exe
1588	help.exe
1588	help.exe
1588	help.exe
1588	help.exe
1588	help.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

vbc.exehelp.exe

pid process

1768 vbc.exe
1768 vbc.exe
1768 vbc.exe
1588 help.exe
1588 help.exe
1588 help.exe
1588 help.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

vbc.exehelp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1768	vbc.exe
Token: SeDebugPrivilege	1588	help.exe
Token: SeShutdownPrivilege	1428	Explorer.EXE
Token: SeShutdownPrivilege	1428	Explorer.EXE
Token: SeShutdownPrivilege	1428	Explorer.EXE
Token: SeShutdownPrivilege	1428	Explorer.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXEWINWORD.EXE

pid process

560 EXCEL.EXE
560 EXCEL.EXE
560 EXCEL.EXE
1876 WINWORD.EXE
1876 WINWORD.EXE

pid	process
560	EXCEL.EXE
560	EXCEL.EXE
560	EXCEL.EXE
1876	WINWORD.EXE
1876	WINWORD.EXE

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEvbc.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 2044 wrote to memory of 1696	2044	EQNEDT32.EXE	vbc.exe
PID 2044 wrote to memory of 1696	2044	EQNEDT32.EXE	vbc.exe
PID 2044 wrote to memory of 1696	2044	EQNEDT32.EXE	vbc.exe
PID 2044 wrote to memory of 1696	2044	EQNEDT32.EXE	vbc.exe
PID 1876 wrote to memory of 1624	1876	WINWORD.EXE	splwow64.exe
PID 1876 wrote to memory of 1624	1876	WINWORD.EXE	splwow64.exe
PID 1876 wrote to memory of 1624	1876	WINWORD.EXE	splwow64.exe
PID 1876 wrote to memory of 1624	1876	WINWORD.EXE	splwow64.exe
PID 1696 wrote to memory of 1768	1696	vbc.exe	vbc.exe
PID 1696 wrote to memory of 1768	1696	vbc.exe	vbc.exe
PID 1696 wrote to memory of 1768	1696	vbc.exe	vbc.exe
PID 1696 wrote to memory of 1768	1696	vbc.exe	vbc.exe
PID 1696 wrote to memory of 1768	1696	vbc.exe	vbc.exe
PID 1696 wrote to memory of 1768	1696	vbc.exe	vbc.exe
PID 1696 wrote to memory of 1768	1696	vbc.exe	vbc.exe
PID 1428 wrote to memory of 1588	1428	Explorer.EXE	help.exe
PID 1428 wrote to memory of 1588	1428	Explorer.EXE	help.exe
PID 1428 wrote to memory of 1588	1428	Explorer.EXE	help.exe
PID 1428 wrote to memory of 1588	1428	Explorer.EXE	help.exe
PID 1588 wrote to memory of 1556	1588	help.exe	cmd.exe
PID 1588 wrote to memory of 1556	1588	help.exe	cmd.exe
PID 1588 wrote to memory of 1556	1588	help.exe	cmd.exe
PID 1588 wrote to memory of 1556	1588	help.exe	cmd.exe
PID 1588 wrote to memory of 1160	1588	help.exe	Firefox.exe
PID 1588 wrote to memory of 1160	1588	help.exe	Firefox.exe
PID 1588 wrote to memory of 1160	1588	help.exe	Firefox.exe
PID 1588 wrote to memory of 1160	1588	help.exe	Firefox.exe
PID 1588 wrote to memory of 1160	1588	help.exe	Firefox.exe
PID 1588 wrote to memory of 544	1588	help.exe	cmd.exe
PID 1588 wrote to memory of 544	1588	help.exe	cmd.exe
PID 1588 wrote to memory of 544	1588	help.exe	cmd.exe
PID 1588 wrote to memory of 544	1588	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1428

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\WSAPW0650867.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:560

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1920

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:600

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1152

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1748

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:804

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1196

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1340

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1792

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:664

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1972

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1360

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1200

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:816

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2044

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1836

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1376

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:580

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1324

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1620

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1712

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Adds policy Run key to start application
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1588

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1556

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1160

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:544

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:1876

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1624

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:2044

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1696

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Exploitation for Client Execution

T1203

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0O8D7KIM\invc_16[1].doc
Filesize
20KB

MD5
211a8ee8e10adc14b944fab7a196a960

SHA1
445901560e0568f9e63ff6195c1bfb0bcd7bd586

SHA256
e7fce9b0a293803a0e3305ed64d0de8896abc0f8d274665c1c89af741434b9e4

SHA512
17db353e1a562f7fddb6b63541c89a8c93fb71d873a346e63bca6abe19772ea326807ca49e8616a2b0790e2e69dc340cc3a8d4efa32a72687a0a0416904f9878

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Public\vbc.exe
Filesize
533KB

MD5
2ca4db9e581608faaacdd0533b4fd783

SHA1
78065a3d2fdc96c1c9de15a1ca7e39cd96be1137

SHA256
2c6f3126b960f02205390cf54a74de6e32d53cc1d6db64cc4744c9cca63ecca6

SHA512
fcd201fd15e2133052b24b786131d0adb877ba979ce3aedfbb52596dd7636ceb7194df7f1acc5a6d8be1d6fd8e1faea152e2073495fbacadf38728dddbafc847

Download Submit
C:\Users\Public\vbc.exe
Filesize
533KB

MD5
2ca4db9e581608faaacdd0533b4fd783

SHA1
78065a3d2fdc96c1c9de15a1ca7e39cd96be1137

SHA256
2c6f3126b960f02205390cf54a74de6e32d53cc1d6db64cc4744c9cca63ecca6

SHA512
fcd201fd15e2133052b24b786131d0adb877ba979ce3aedfbb52596dd7636ceb7194df7f1acc5a6d8be1d6fd8e1faea152e2073495fbacadf38728dddbafc847

Download Submit
C:\Users\Public\vbc.exe
Filesize
533KB

MD5
2ca4db9e581608faaacdd0533b4fd783

SHA1
78065a3d2fdc96c1c9de15a1ca7e39cd96be1137

SHA256
2c6f3126b960f02205390cf54a74de6e32d53cc1d6db64cc4744c9cca63ecca6

SHA512
fcd201fd15e2133052b24b786131d0adb877ba979ce3aedfbb52596dd7636ceb7194df7f1acc5a6d8be1d6fd8e1faea152e2073495fbacadf38728dddbafc847

Download Submit
\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
630KB

MD5
06b455698aba68f911c2f6d17bbefc6a

SHA1
4116e1345134012a0fc8a84b4bbf6c681621a266

SHA256
6d81a69544457d3db38f97932869e0589feed4d7249462cce7aa8b15c6c00bd2

SHA512
d64c0219933a0600702d54ca158e794b2784b1040e15d4657d87f46c091ed7ed1addcf3c46859e87c811f5c1543928596990103ae5de29a00eab7999ba7a1b3e

Download Submit
\Users\Public\vbc.exe
Filesize
533KB

MD5
2ca4db9e581608faaacdd0533b4fd783

SHA1
78065a3d2fdc96c1c9de15a1ca7e39cd96be1137

SHA256
2c6f3126b960f02205390cf54a74de6e32d53cc1d6db64cc4744c9cca63ecca6

SHA512
fcd201fd15e2133052b24b786131d0adb877ba979ce3aedfbb52596dd7636ceb7194df7f1acc5a6d8be1d6fd8e1faea152e2073495fbacadf38728dddbafc847

Download Submit
\Users\Public\vbc.exe
Filesize
533KB

MD5
2ca4db9e581608faaacdd0533b4fd783

SHA1
78065a3d2fdc96c1c9de15a1ca7e39cd96be1137

SHA256
2c6f3126b960f02205390cf54a74de6e32d53cc1d6db64cc4744c9cca63ecca6

SHA512
fcd201fd15e2133052b24b786131d0adb877ba979ce3aedfbb52596dd7636ceb7194df7f1acc5a6d8be1d6fd8e1faea152e2073495fbacadf38728dddbafc847

Download Submit
\Users\Public\vbc.exe
Filesize
533KB

MD5
2ca4db9e581608faaacdd0533b4fd783

SHA1
78065a3d2fdc96c1c9de15a1ca7e39cd96be1137

SHA256
2c6f3126b960f02205390cf54a74de6e32d53cc1d6db64cc4744c9cca63ecca6

SHA512
fcd201fd15e2133052b24b786131d0adb877ba979ce3aedfbb52596dd7636ceb7194df7f1acc5a6d8be1d6fd8e1faea152e2073495fbacadf38728dddbafc847

Download Submit
\Users\Public\vbc.exe
Filesize
533KB

MD5
2ca4db9e581608faaacdd0533b4fd783

SHA1
78065a3d2fdc96c1c9de15a1ca7e39cd96be1137

SHA256
2c6f3126b960f02205390cf54a74de6e32d53cc1d6db64cc4744c9cca63ecca6

SHA512
fcd201fd15e2133052b24b786131d0adb877ba979ce3aedfbb52596dd7636ceb7194df7f1acc5a6d8be1d6fd8e1faea152e2073495fbacadf38728dddbafc847

Download Submit
\Users\Public\vbc.exe
Filesize
533KB

MD5
2ca4db9e581608faaacdd0533b4fd783

SHA1
78065a3d2fdc96c1c9de15a1ca7e39cd96be1137

SHA256
2c6f3126b960f02205390cf54a74de6e32d53cc1d6db64cc4744c9cca63ecca6

SHA512
fcd201fd15e2133052b24b786131d0adb877ba979ce3aedfbb52596dd7636ceb7194df7f1acc5a6d8be1d6fd8e1faea152e2073495fbacadf38728dddbafc847

Download Submit
memory/544-106-0x0000000000000000-mapping.dmp

Download
memory/560-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/560-58-0x0000000075271000-0x0000000075273000-memory.dmp

Filesize
8KB

Download
memory/560-55-0x00000000711E1000-0x00000000711E3000-memory.dmp

Filesize
8KB

Download
memory/560-57-0x00000000721CD000-0x00000000721D8000-memory.dmp

Filesize
44KB

Download
memory/560-78-0x00000000721CD000-0x00000000721D8000-memory.dmp

Filesize
44KB

Download
memory/560-54-0x000000002FEB1000-0x000000002FEB4000-memory.dmp

Filesize
12KB

Download
memory/1428-103-0x0000000007230000-0x00000000073AF000-memory.dmp

Filesize
1.5MB

Download
memory/1428-102-0x0000000007230000-0x00000000073AF000-memory.dmp

Filesize
1.5MB

Download
memory/1428-93-0x0000000007100000-0x0000000007225000-memory.dmp

Filesize
1.1MB

Download
memory/1556-96-0x0000000000000000-mapping.dmp

Download
memory/1588-94-0x0000000000000000-mapping.dmp

Download
memory/1588-101-0x00000000000C0000-0x00000000000EC000-memory.dmp

Filesize
176KB

Download
memory/1588-100-0x0000000000670000-0x0000000000700000-memory.dmp

Filesize
576KB

Download
memory/1588-99-0x00000000008B0000-0x0000000000BB3000-memory.dmp

Filesize
3.0MB

Download
memory/1588-98-0x00000000000C0000-0x00000000000EC000-memory.dmp

Filesize
176KB

Download
memory/1588-97-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/1624-77-0x000007FEFB9F1000-0x000007FEFB9F3000-memory.dmp

Filesize
8KB

Download
memory/1624-74-0x0000000000000000-mapping.dmp

Download
memory/1696-79-0x00000000002A0000-0x00000000002B6000-memory.dmp

Filesize
88KB

Download
memory/1696-81-0x00000000003B0000-0x00000000003BA000-memory.dmp

Filesize
40KB

Download
memory/1696-71-0x0000000000000000-mapping.dmp

Download
memory/1696-82-0x0000000004D70000-0x0000000004DDA000-memory.dmp

Filesize
424KB

Download
memory/1696-83-0x0000000000B30000-0x0000000000B62000-memory.dmp

Filesize
200KB

Download
memory/1696-75-0x0000000000F80000-0x000000000100C000-memory.dmp

Filesize
560KB

Download
memory/1768-88-0x000000000041F840-mapping.dmp

Download
memory/1768-92-0x00000000001D0000-0x00000000001E1000-memory.dmp

Filesize
68KB

Download
memory/1768-87-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1768-85-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1768-84-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1768-91-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/1768-95-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1876-80-0x00000000721CD000-0x00000000721D8000-memory.dmp

Filesize
44KB

Download
memory/1876-63-0x00000000721CD000-0x00000000721D8000-memory.dmp

Filesize
44KB

Download
memory/1876-59-0x000000006B531000-0x000000006B534000-memory.dmp

Filesize
12KB

Download