agenttesla | 3d3427a09aceb2dfcceaf2c8a232df04929a4bec0b43428ef595bbbd16162ddc

Analysis

max time kernel
103s
max time network
106s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
27-02-2023 19:40

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General

Target

Order.docx
Size

10KB
MD5

b9571630868381221bee77b8fe5079ca
SHA1

12228855be9ea4783d1034678e00ddb51732d83b
SHA256

3d3427a09aceb2dfcceaf2c8a232df04929a4bec0b43428ef595bbbd16162ddc
SHA512

209a9a056f36d3f709f5abeffcd33e6f918094921efc79c1deaede609e25b2fe752c60b3c86b0b6b61f0ff4365a8c45917343303bd4fa7d60762fc3d1287e897
SSDEEP

192:ScIMmtP1aIG/bslPL++uO+l+CVWBXJC0c3uG/:SPXU/slT+LO+HkZC9N

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
002@frem-tr.com
Password:
jCXzqcP1 daniel 3116
Email To:
002@frem-tr.com

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

7 1176 EQNEDT32.EXE
Downloads MZ/PE file

flow	pid	process
7	1176	EQNEDT32.EXE

Abuses OpenXML format to download file from external location 2 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\14.0\Common	WINWORD.EXE
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\Common\Offline\Files\http://3324948138/c00----------------------------.DOC	WINWORD.EXE

Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1304 vbc.exe
1048 vbc.exe
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

1176 EQNEDT32.EXE
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

pid	process
1304	vbc.exe
1048	vbc.exe

pid	process
1176	EQNEDT32.EXE

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

vbc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\gcWPrHZ = "C:\\Users\\Admin\\AppData\\Roaming\\gcWPrHZ\\gcWPrHZ.exe"	vbc.exe

Drops file in System32 directory 1 IoCs

Processes:

powershell.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

vbc.exe

description pid process target process

PID 1304 set thread context of 1048 1304 vbc.exe vbc.exe
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Office loads VBA resources, possible macro or embedded object present
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1728 schtasks.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

1176 EQNEDT32.EXE

description	pid	process	target process
PID 1304 set thread context of 1048	1304	vbc.exe	vbc.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	process
1728	schtasks.exe

pid	process
1176	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.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	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	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 HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\MenuExt	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 MHTML Editor\shell\edit	WINWORD.EXE
Key deleted	\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 created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	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 MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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 HTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Key deleted	\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 HTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1036 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

vbc.exepowershell.exe

pid process

1304 vbc.exe
1304 vbc.exe
1556 powershell.exe

pid	process
1036	WINWORD.EXE

pid	process
1304	vbc.exe
1304	vbc.exe
1556	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

vbc.exevbc.exepowershell.exeWINWORD.EXE

description	pid	process
Token: SeDebugPrivilege	1304	vbc.exe
Token: SeDebugPrivilege	1048	vbc.exe
Token: SeDebugPrivilege	1556	powershell.exe
Token: SeShutdownPrivilege	1036	WINWORD.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1036 WINWORD.EXE
1036 WINWORD.EXE

pid	process
1036	WINWORD.EXE
1036	WINWORD.EXE

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEvbc.exe

description	pid	process	target process
PID 1176 wrote to memory of 1304	1176	EQNEDT32.EXE	vbc.exe
PID 1176 wrote to memory of 1304	1176	EQNEDT32.EXE	vbc.exe
PID 1176 wrote to memory of 1304	1176	EQNEDT32.EXE	vbc.exe
PID 1176 wrote to memory of 1304	1176	EQNEDT32.EXE	vbc.exe
PID 1036 wrote to memory of 1620	1036	WINWORD.EXE	splwow64.exe
PID 1036 wrote to memory of 1620	1036	WINWORD.EXE	splwow64.exe
PID 1036 wrote to memory of 1620	1036	WINWORD.EXE	splwow64.exe
PID 1036 wrote to memory of 1620	1036	WINWORD.EXE	splwow64.exe
PID 1304 wrote to memory of 1556	1304	vbc.exe	powershell.exe
PID 1304 wrote to memory of 1556	1304	vbc.exe	powershell.exe
PID 1304 wrote to memory of 1556	1304	vbc.exe	powershell.exe
PID 1304 wrote to memory of 1556	1304	vbc.exe	powershell.exe
PID 1304 wrote to memory of 1728	1304	vbc.exe	schtasks.exe
PID 1304 wrote to memory of 1728	1304	vbc.exe	schtasks.exe
PID 1304 wrote to memory of 1728	1304	vbc.exe	schtasks.exe
PID 1304 wrote to memory of 1728	1304	vbc.exe	schtasks.exe
PID 1304 wrote to memory of 1048	1304	vbc.exe	vbc.exe
PID 1304 wrote to memory of 1048	1304	vbc.exe	vbc.exe
PID 1304 wrote to memory of 1048	1304	vbc.exe	vbc.exe
PID 1304 wrote to memory of 1048	1304	vbc.exe	vbc.exe
PID 1304 wrote to memory of 1048	1304	vbc.exe	vbc.exe
PID 1304 wrote to memory of 1048	1304	vbc.exe	vbc.exe
PID 1304 wrote to memory of 1048	1304	vbc.exe	vbc.exe
PID 1304 wrote to memory of 1048	1304	vbc.exe	vbc.exe
PID 1304 wrote to memory of 1048	1304	vbc.exe	vbc.exe

outlook_office_path 1 IoCs

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Order.docx"
1⤵
- Abuses OpenXML format to download file from external location
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1036

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1620

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:1176

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1304

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\REqzovjc.exe"
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1556

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\REqzovjc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp788B.tmp"
3⤵
- Creates scheduled task(s)
PID:1728

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1048

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Scheduled Task

T1053

Exploitation for Client Execution

T1203

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Scripting

T1064

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{0BD853C0-2EC7-4B1E-929B-BD70FC4D568F}.FSD
Filesize
128KB

MD5
646022c51d3490f814b8820ebefbc6b9

SHA1
88f3fc3d846069b9ac1df73a77522079084cc64a

SHA256
7263139f196e37c96820234582660704421b49a9f98019d10ed569c4e05bbd58

SHA512
571f2d79da84e0c1e0f6e3f193004e2937ce5e2f55c04a84e159b385a02ff222967a260634e4ed9dfc6a65f765df8b168b6e334bd44c36565a6fcc7a24c56bdf

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{32B0BA17-5DD5-460E-9A87-F026A0B46B78}.FSD
Filesize
128KB

MD5
8c9971b879184cf8202d9b2d2bc8cadb

SHA1
02ab56e268a89ce0e269902b2662b88bfc0911ee

SHA256
94d14a6037db6ff6c6804446e893b980c46b7f621a728e2992326c5218eaf2f4

SHA512
d703de41c4150d300ca750365214e3f9969b3143970144120e18bbef5d91eac13b48ba1d849fd88b0224ab50f4d24eb95cb7e1e5f32851a4f6a63af4a8ff4ea2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\EV74ZOZO\c00----------------------------[1].doc
Filesize
14KB

MD5
a0d3000e5792081fa970184fe592808f

SHA1
551941fd7e55cb98ea3a2f315fabe1d2b0a0b935

SHA256
7cee2955d8fee68f5501d86c84159f3e8cefcd52476a950a5712b84bbb1feedd

SHA512
e64b08ff15d7c396304d167781555beb01fc47ba488ead5dd231d7166d67da0599c61d942cb1d9415469cd4e4e2c8cad46763df224ba02ebaeab629b008f2556

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp788B.tmp
Filesize
1KB

MD5
c68a67496891e7707b0c25c44bd16428

SHA1
72d98a3ade89a3b5f91113119ae9308b16dd8dfc

SHA256
b3b0ec0506a3e0475d49bd4ca87ef3c0110eb0e349a004c64a51562b08225b1f

SHA512
abc3de0eb2f7eb2d4b7a1476e0e8e91414884aa96d00ca2e00cf459f224ab2d0977742d20ecb8109b322dea740ab242dde8ba516792611c10cfaa5c9778e26d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\{E3D64959-12CE-49E5-BCE0-7E8E9CE87BB1}
Filesize
128KB

MD5
765af0e58d333fffc8e7718fa3ce4d91

SHA1
adf74a77c1535c8c35b337b6dfaecf6850f184f9

SHA256
df6ddac050dbc0418c00e4610671c8a58f9f9dfb7f2e0e87ac4877a62cc150d7

SHA512
489b762901edf7f33a1fe72b66bb3aab3a9d939cfec0f74dd58ab4ed36670c33d066363f02458d765046ce6b33a04bfc148d73f6e0c24e72f264eb1faa0c2fd4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
Filesize
20KB

MD5
2974fbd24386e84f379dd33b6be43293

SHA1
b8e4e0a9941bc713520aeec1ed8963e36fb0c012

SHA256
2837321364bdbba892088218854811d4899bb4550798867e9646e9604f96300f

SHA512
e04aa6f84ae0c1c0a9cdbda77a539650e3e34ec864f7851555b79ed75077fd2615c5e7ff7101b09f6939cce0f165945be199ab697d3d3905725de1b7e83a2557

Download Submit
C:\Users\Public\vbc.exe
Filesize
1.1MB

MD5
a5e75f93a365f2f20438395c0949624d

SHA1
75a9d3e8faa58757a04a84ebf3def50357ac515e

SHA256
0e971d7a08790f5b5a54e074c3b343985ab403cd0665c2580d0e7d0c4e463163

SHA512
af70c9bb70fc2ecfcda0c395b3a4076b18629e7a94273b6adbda7dd7ebbde00939780c12d53f829ee326a33fb71de7729d3ba178e49a3d3fa3f86d351bd8e4d6

Download Submit
C:\Users\Public\vbc.exe
Filesize
1.1MB

MD5
a5e75f93a365f2f20438395c0949624d

SHA1
75a9d3e8faa58757a04a84ebf3def50357ac515e

SHA256
0e971d7a08790f5b5a54e074c3b343985ab403cd0665c2580d0e7d0c4e463163

SHA512
af70c9bb70fc2ecfcda0c395b3a4076b18629e7a94273b6adbda7dd7ebbde00939780c12d53f829ee326a33fb71de7729d3ba178e49a3d3fa3f86d351bd8e4d6

Download Submit
C:\Users\Public\vbc.exe
Filesize
1.1MB

MD5
a5e75f93a365f2f20438395c0949624d

SHA1
75a9d3e8faa58757a04a84ebf3def50357ac515e

SHA256
0e971d7a08790f5b5a54e074c3b343985ab403cd0665c2580d0e7d0c4e463163

SHA512
af70c9bb70fc2ecfcda0c395b3a4076b18629e7a94273b6adbda7dd7ebbde00939780c12d53f829ee326a33fb71de7729d3ba178e49a3d3fa3f86d351bd8e4d6

Download Submit
C:\Users\Public\vbc.exe
Filesize
1.1MB

MD5
a5e75f93a365f2f20438395c0949624d

SHA1
75a9d3e8faa58757a04a84ebf3def50357ac515e

SHA256
0e971d7a08790f5b5a54e074c3b343985ab403cd0665c2580d0e7d0c4e463163

SHA512
af70c9bb70fc2ecfcda0c395b3a4076b18629e7a94273b6adbda7dd7ebbde00939780c12d53f829ee326a33fb71de7729d3ba178e49a3d3fa3f86d351bd8e4d6

Download Submit
\Users\Public\vbc.exe
Filesize
1.1MB

MD5
a5e75f93a365f2f20438395c0949624d

SHA1
75a9d3e8faa58757a04a84ebf3def50357ac515e

SHA256
0e971d7a08790f5b5a54e074c3b343985ab403cd0665c2580d0e7d0c4e463163

SHA512
af70c9bb70fc2ecfcda0c395b3a4076b18629e7a94273b6adbda7dd7ebbde00939780c12d53f829ee326a33fb71de7729d3ba178e49a3d3fa3f86d351bd8e4d6

Download Submit
memory/1036-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1036-203-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1048-171-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1048-166-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1048-176-0x0000000000450000-0x0000000000490000-memory.dmp

Filesize
256KB

Download
memory/1048-173-0x0000000000450000-0x0000000000490000-memory.dmp

Filesize
256KB

Download
memory/1048-161-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1048-163-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1048-165-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1048-164-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1048-162-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1048-169-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1304-150-0x0000000004FD0000-0x0000000005010000-memory.dmp

Filesize
256KB

Download
memory/1304-143-0x0000000000290000-0x00000000002A6000-memory.dmp

Filesize
88KB

Download
memory/1304-152-0x0000000005DF0000-0x0000000005E9A000-memory.dmp

Filesize
680KB

Download
memory/1304-158-0x00000000005B0000-0x00000000005E2000-memory.dmp

Filesize
200KB

Download
memory/1304-151-0x00000000002F0000-0x00000000002FC000-memory.dmp

Filesize
48KB

Download
memory/1304-142-0x0000000004FD0000-0x0000000005010000-memory.dmp

Filesize
256KB

Download
memory/1304-141-0x0000000000F50000-0x000000000106C000-memory.dmp

Filesize
1.1MB

Download
memory/1556-172-0x00000000026F0000-0x0000000002730000-memory.dmp

Filesize
256KB

Download
memory/1556-174-0x00000000026F0000-0x0000000002730000-memory.dmp

Filesize
256KB

Download