agenttesla | 33a34f4bad59e1c90a3fa5f4239abf5f5f13080e7ec71c09cdf11088e9c5cd8c

Analysis

max time kernel
144s
max time network
140s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
10-03-2023 13:05

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General

Target

SOA FEB 5400005716.docx
Size

10KB
MD5

90612ab017d9b62b0845de6b196a10f5
SHA1

679287fd3b0389e47cced0fca528b3bb0bbe94c6
SHA256

33a34f4bad59e1c90a3fa5f4239abf5f5f13080e7ec71c09cdf11088e9c5cd8c
SHA512

ee6395170cf4187379df05f1beab7449af8e37109a3524b4f89f0dcadc1ecea1515c8e31847ac93711f82118b86403335bd0bc58cb848bc7461b724821d5fa28
SSDEEP

192:ScIMmtP1aIG/bslPL++uOmlvzl+CVWBXJC0c325:SPXU/slT+LOQHkZC96

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.flexotechproducts.in
Port:
587
Username:
accounts1@flexotechproducts.in
Password:
@Products$24
Email To:
benard.rnuthuri@gmail.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

7 308 EQNEDT32.EXE
Downloads MZ/PE file

flow	pid	process
7	308	EQNEDT32.EXE

Abuses OpenXML format to download file from external location 2 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\14.0\Common	WINWORD.EXE
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\Common\Offline\Files\http://3221450129/wu.......................wu...................doc	WINWORD.EXE

Executes dropped EXE 4 IoCs

Processes:

vbc.exevbc.exevbc.exevbc.exe

pid process

1640 vbc.exe
1688 vbc.exe
1000 vbc.exe
1580 vbc.exe
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

308 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
1640	vbc.exe
1688	vbc.exe
1000	vbc.exe
1580	vbc.exe

pid	process
308	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-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\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-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows\CurrentVersion\Run\PNGtqM = "C:\\Users\\Admin\\AppData\\Roaming\\PNGtqM\\PNGtqM.exe"	vbc.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

11 api.ipify.org
12 api.ipify.org

flow	ioc
11	api.ipify.org
12	api.ipify.org

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 1640 set thread context of 1580 1640 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

1336 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

308 EQNEDT32.EXE

description	pid	process	target process
PID 1640 set thread context of 1580	1640	vbc.exe	vbc.exe

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

pid	process
1336	schtasks.exe

pid	process
308	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key deleted	\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 HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML 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
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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\edit\COMMAND	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "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 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	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Toolbar	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\shell	WINWORD.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\shell\edit\command	WINWORD.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	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&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
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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1204 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

vbc.exepowershell.exe

pid process

1640 vbc.exe
1640 vbc.exe
1640 vbc.exe
1640 vbc.exe
1640 vbc.exe
1640 vbc.exe
1116 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vbc.exevbc.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1640 vbc.exe
Token: SeDebugPrivilege 1580 vbc.exe
Token: SeDebugPrivilege 1116 powershell.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

WINWORD.EXEvbc.exe

pid process

1204 WINWORD.EXE
1204 WINWORD.EXE
1580 vbc.exe

pid	process
1204	WINWORD.EXE

pid	process
1640	vbc.exe
1640	vbc.exe
1640	vbc.exe
1640	vbc.exe
1640	vbc.exe
1640	vbc.exe
1116	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1640	vbc.exe
Token: SeDebugPrivilege	1580	vbc.exe
Token: SeDebugPrivilege	1116	powershell.exe

pid	process
1204	WINWORD.EXE
1204	WINWORD.EXE
1580	vbc.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEvbc.exe

description	pid	process	target process
PID 308 wrote to memory of 1640	308	EQNEDT32.EXE	vbc.exe
PID 308 wrote to memory of 1640	308	EQNEDT32.EXE	vbc.exe
PID 308 wrote to memory of 1640	308	EQNEDT32.EXE	vbc.exe
PID 308 wrote to memory of 1640	308	EQNEDT32.EXE	vbc.exe
PID 1204 wrote to memory of 1524	1204	WINWORD.EXE	splwow64.exe
PID 1204 wrote to memory of 1524	1204	WINWORD.EXE	splwow64.exe
PID 1204 wrote to memory of 1524	1204	WINWORD.EXE	splwow64.exe
PID 1204 wrote to memory of 1524	1204	WINWORD.EXE	splwow64.exe
PID 1640 wrote to memory of 1116	1640	vbc.exe	powershell.exe
PID 1640 wrote to memory of 1116	1640	vbc.exe	powershell.exe
PID 1640 wrote to memory of 1116	1640	vbc.exe	powershell.exe
PID 1640 wrote to memory of 1116	1640	vbc.exe	powershell.exe
PID 1640 wrote to memory of 1336	1640	vbc.exe	schtasks.exe
PID 1640 wrote to memory of 1336	1640	vbc.exe	schtasks.exe
PID 1640 wrote to memory of 1336	1640	vbc.exe	schtasks.exe
PID 1640 wrote to memory of 1336	1640	vbc.exe	schtasks.exe
PID 1640 wrote to memory of 1688	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1688	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1688	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1688	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1000	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1000	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1000	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1000	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1580	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1580	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1580	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1580	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1580	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1580	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1580	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1580	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1580	1640	vbc.exe	vbc.exe

outlook_office_path 1 IoCs

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\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-1-5-21-3499517378-2376672570-1134980332-1000\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\SOA FEB 5400005716.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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1524

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:308

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:1640

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\keRXZQSqL.exe"
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1116

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\keRXZQSqL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp122B.tmp"
3⤵
- Creates scheduled task(s)
PID:1336

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
PID:1688

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
PID:1000

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
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1580

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-{D6DA33E8-DA7A-4E83-ADAB-3EF919FD7A3D}.FSD
Filesize
128KB

MD5
f036cf37389f405f7082e75c9ff64630

SHA1
f83f506c4ebbc2339a740e0143eef499bca78cec

SHA256
25a8bcce677b7decaf238d481f52bd22f7b1896d70bc0509df9d2a5278741b8a

SHA512
c2a154ced1a82c66e116f2c4f8e1d118605919fc291f7bf9106e2e13231d16d21e60d4973a00de000748f9de580dde4010c94253447d948c8c269c4198ae5e04

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD
Filesize
128KB

MD5
49906bd301b40c26931e0bf33cdefac7

SHA1
722aa8498c0dde12d57b424d0577d615a21c0d37

SHA256
6696ff7eb51f5103643f5e729eeacb9fc0a1f4b8fc4746120577cb4ed0690db8

SHA512
96a680969757548461f7a4a07cec0a729cf3d2659e831e219cecd1cda4bea5fda8083acf941c8a4fbc479159ee99af61c1154bbe83e64bd4a93b339bea235eb3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\S7FIT0B8\wu.......................wu[1].doc
Filesize
14KB

MD5
e8597e58b548398887143df2e686e75a

SHA1
2e2ae49625da9c486b33679c2b670d3ed91fe264

SHA256
ff8a98f618cc568b85dce1bed031b10686572fe0a2ebee71697d8e27c15a27ee

SHA512
550aa1272da29c7236a1d8a1c304b2d95fe19d35c88a5a59ce194bc60ad74c5946e6ec1df2faf13d3c6aefe3d3beab1996a559dbdeaa2bea514c23629a0ace02

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp122B.tmp
Filesize
1KB

MD5
06052b88dad5095817b7357c9f8f1827

SHA1
b9d05995cfabb273b940d1b3992c94766450a440

SHA256
c9e5921d169e3ee52d44583f65983153a15eaf3c123539e9f7332b6a0a835f3d

SHA512
3ab3c611aa553618b6ef92e53e3d5e2c608325fb272aa4904af8e3a01e17d1ab0f6e126e156b2914b2fe8ab14b789a0bc7d162c3b40326a9f3a1e33f26a4225e

Download Submit
C:\Users\Admin\AppData\Local\Temp\{7EDF5E37-1A7B-4E77-A5FB-1E19ADB82102}
Filesize
128KB

MD5
6cf9d7da23018e45553158fde9bab0ee

SHA1
588cab359ece2cda8f83861bccef0001310c1bb5

SHA256
3a100c25d954ab5860b1684eee7961d83a696895dffc85c31c670574badff6dd

SHA512
fe6e9cd2016872056be7eb82d05a413174efdf3eee515b7f8fa9f34ddc00d588790753c5ce75e04da01f91536c069dbcacbf872689303b46e2863499f4e68bbe

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

MD5
1fb0cd15b8150e5dfb87c8c78e679612

SHA1
c53df088adbdc3f46e6a740a6ef5a856b74d252d

SHA256
64419f99685683534332b5e140e29718e303936b67c86021e111126a6428bfe0

SHA512
aa8ac207134f21e8222f7c7928b952ff253a446847b3dad1e670d23bbfe13abe15ab99a1140a3a57a27d3cb44d3f44a15906cbdc5aadb6b16b6887b71c39d93d

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

MD5
1fb0cd15b8150e5dfb87c8c78e679612

SHA1
c53df088adbdc3f46e6a740a6ef5a856b74d252d

SHA256
64419f99685683534332b5e140e29718e303936b67c86021e111126a6428bfe0

SHA512
aa8ac207134f21e8222f7c7928b952ff253a446847b3dad1e670d23bbfe13abe15ab99a1140a3a57a27d3cb44d3f44a15906cbdc5aadb6b16b6887b71c39d93d

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

MD5
1fb0cd15b8150e5dfb87c8c78e679612

SHA1
c53df088adbdc3f46e6a740a6ef5a856b74d252d

SHA256
64419f99685683534332b5e140e29718e303936b67c86021e111126a6428bfe0

SHA512
aa8ac207134f21e8222f7c7928b952ff253a446847b3dad1e670d23bbfe13abe15ab99a1140a3a57a27d3cb44d3f44a15906cbdc5aadb6b16b6887b71c39d93d

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

MD5
1fb0cd15b8150e5dfb87c8c78e679612

SHA1
c53df088adbdc3f46e6a740a6ef5a856b74d252d

SHA256
64419f99685683534332b5e140e29718e303936b67c86021e111126a6428bfe0

SHA512
aa8ac207134f21e8222f7c7928b952ff253a446847b3dad1e670d23bbfe13abe15ab99a1140a3a57a27d3cb44d3f44a15906cbdc5aadb6b16b6887b71c39d93d

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

MD5
1fb0cd15b8150e5dfb87c8c78e679612

SHA1
c53df088adbdc3f46e6a740a6ef5a856b74d252d

SHA256
64419f99685683534332b5e140e29718e303936b67c86021e111126a6428bfe0

SHA512
aa8ac207134f21e8222f7c7928b952ff253a446847b3dad1e670d23bbfe13abe15ab99a1140a3a57a27d3cb44d3f44a15906cbdc5aadb6b16b6887b71c39d93d

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

MD5
1fb0cd15b8150e5dfb87c8c78e679612

SHA1
c53df088adbdc3f46e6a740a6ef5a856b74d252d

SHA256
64419f99685683534332b5e140e29718e303936b67c86021e111126a6428bfe0

SHA512
aa8ac207134f21e8222f7c7928b952ff253a446847b3dad1e670d23bbfe13abe15ab99a1140a3a57a27d3cb44d3f44a15906cbdc5aadb6b16b6887b71c39d93d

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

MD5
1fb0cd15b8150e5dfb87c8c78e679612

SHA1
c53df088adbdc3f46e6a740a6ef5a856b74d252d

SHA256
64419f99685683534332b5e140e29718e303936b67c86021e111126a6428bfe0

SHA512
aa8ac207134f21e8222f7c7928b952ff253a446847b3dad1e670d23bbfe13abe15ab99a1140a3a57a27d3cb44d3f44a15906cbdc5aadb6b16b6887b71c39d93d

Download Submit
memory/1116-175-0x0000000001CD0000-0x0000000001D10000-memory.dmp

Filesize
256KB

Download
memory/1116-176-0x0000000001CD0000-0x0000000001D10000-memory.dmp

Filesize
256KB

Download
memory/1204-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1580-168-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1580-174-0x0000000004FC0000-0x0000000005000000-memory.dmp

Filesize
256KB

Download
memory/1580-195-0x0000000004FC0000-0x0000000005000000-memory.dmp

Filesize
256KB

Download
memory/1580-167-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1580-166-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1580-165-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1580-164-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1580-163-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1580-173-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1580-171-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1640-143-0x0000000000A30000-0x0000000000A44000-memory.dmp

Filesize
80KB

Download
memory/1640-150-0x0000000004A70000-0x0000000004AB0000-memory.dmp

Filesize
256KB

Download
memory/1640-151-0x0000000000A80000-0x0000000000A8C000-memory.dmp

Filesize
48KB

Download
memory/1640-160-0x0000000005300000-0x0000000005332000-memory.dmp

Filesize
200KB

Download
memory/1640-142-0x0000000004A70000-0x0000000004AB0000-memory.dmp

Filesize
256KB

Download
memory/1640-141-0x0000000000AB0000-0x0000000000BC8000-memory.dmp

Filesize
1.1MB

Download
memory/1640-152-0x00000000058F0000-0x000000000599C000-memory.dmp

Filesize
688KB

Download