agenttesla | 3c756278503cd67e4ca18fa2acbba31c308153b5801f24b222a42b4b3331c780

Analysis

max time kernel
134s
max time network
140s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
01-12-2023 14:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

TT Copy.xls
Size

381KB
MD5

26beb641321ce859d389a80ccd1416d9
SHA1

8a47f46ab9f3ed5fd132cd8f30ece15e6c47cf21
SHA256

3c756278503cd67e4ca18fa2acbba31c308153b5801f24b222a42b4b3331c780
SHA512

02c1f0b615d33f941d6a8a227fb9845bedbd01eee4a587368b95fb83bcf0ff16b4f9738aa7caaf65a9c7373bb9711e4f504bfc50a7dabf97b54fe1cf26239f5b
SSDEEP

6144:hn1m9kdb41yFtrP+9LFRLLckUXWnNFFtx/4pvbS3SF18XpzeHfOSWZJOOeRs5mOG:hOecoFt+LFRSWznxwdQBpKHfIeRKmOr6

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.experthvac.ro
Port:
21
Username:
[email protected]
Password:
-8{jszMOY*Z8(~Za0#jyP%o7VoB.0)kk^)7_

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

11 848 EQNEDT32.EXE
Downloads MZ/PE file
Abuses OpenXML format to download file from external location
Executes dropped EXE 1 IoCs

Processes:

wlanext.exe

pid process

2172 wlanext.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

848 EQNEDT32.EXE
848 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
T1552.001
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
T1552.001
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
T1552.001

flow	pid	process
11	848	EQNEDT32.EXE

pid	process
2172	wlanext.exe

pid	process
848	EQNEDT32.EXE
848	EQNEDT32.EXE

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

wlanext.exe

description pid process target process

PID 2172 set thread context of 1892 2172 wlanext.exe RegAsm.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

848 EQNEDT32.EXE

description	pid	process	target process
PID 2172 set thread context of 1892	2172	wlanext.exe	RegAsm.exe

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

pid	process
848	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXEWINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	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-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\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	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Set value (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	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\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
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 HTML Editor\shell\edit\command	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	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

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

description	ioc	process
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	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word	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	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\""	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	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\.mht\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\Microsoft Excel\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command	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\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel"	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\Excel.exe\shell\edit\ddeexec\topic	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe	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\MSPub.exe\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	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\MSPub.exe\shell\edit\ = "&Open"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%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\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application	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\Microsoft Excel\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

884 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

wlanext.exe

pid process

2172 wlanext.exe
2172 wlanext.exe
2172 wlanext.exe
2172 wlanext.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

wlanext.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 2172 wlanext.exe
Token: SeDebugPrivilege 1892 RegAsm.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXEWINWORD.EXE

pid process

884 EXCEL.EXE
884 EXCEL.EXE
884 EXCEL.EXE
2596 WINWORD.EXE
2596 WINWORD.EXE

pid	process
884	EXCEL.EXE

pid	process
2172	wlanext.exe
2172	wlanext.exe
2172	wlanext.exe
2172	wlanext.exe

description	pid	process
Token: SeDebugPrivilege	2172	wlanext.exe
Token: SeDebugPrivilege	1892	RegAsm.exe

pid	process
884	EXCEL.EXE
884	EXCEL.EXE
884	EXCEL.EXE
2596	WINWORD.EXE
2596	WINWORD.EXE

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEwlanext.exe

description	pid	process	target process
PID 848 wrote to memory of 2172	848	EQNEDT32.EXE	wlanext.exe
PID 848 wrote to memory of 2172	848	EQNEDT32.EXE	wlanext.exe
PID 848 wrote to memory of 2172	848	EQNEDT32.EXE	wlanext.exe
PID 848 wrote to memory of 2172	848	EQNEDT32.EXE	wlanext.exe
PID 2596 wrote to memory of 1104	2596	WINWORD.EXE	splwow64.exe
PID 2596 wrote to memory of 1104	2596	WINWORD.EXE	splwow64.exe
PID 2596 wrote to memory of 1104	2596	WINWORD.EXE	splwow64.exe
PID 2596 wrote to memory of 1104	2596	WINWORD.EXE	splwow64.exe
PID 2172 wrote to memory of 2944	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 2944	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 2944	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 2944	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 2944	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 2944	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 2944	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 2944	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 2944	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 2944	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 2944	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 2944	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 1892	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 1892	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 1892	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 1892	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 1892	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 1892	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 1892	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 1892	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 1892	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 1892	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 1892	2172	wlanext.exe	RegAsm.exe
PID 2172 wrote to memory of 1892	2172	wlanext.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

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\TT Copy.xls"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:884

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:2596

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1104

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:848

C:\Users\Admin\AppData\Roaming\wlanext.exe
"C:\Users\Admin\AppData\Roaming\wlanext.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
PID:2944

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{B54BE748-A883-4DF2-BCE1-730FD3B91D42}.FSD

Filesize
128KB

MD5
cb955b0b514ab2594f98592e049d2fee

SHA1
b34b6ef9fd915c9f807522ab6a2d57af3b33530a

SHA256
42629d35eb4ea8d1bbfc1973bc14901ce914372ea20c86e140e132ae7bff13b7

SHA512
2a8a45d1ac2b618cfeaa50b376d7e9a5c6b71ea73d52696e1f7ed25849f64a3a018e78f287c1e73f76681250784ece618b41bb447c44377cd27cf4fee1655bf6

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

Filesize
128KB

MD5
f7990480f1c50cd05c681e459b863d0c

SHA1
57f6861c7ed615bcc484bcbf1e52d2f3ddb09908

SHA256
077de50cf14cef9805cfc2ac18b310035493eb5f3c87f3a68da9615d16a4b828

SHA512
0fc3e8e3a947bf3d11701c4bd5ddbe4a0256391dd2e8df0e253c97b350b654e1c0170a425bfa0fd23b8e90be2b3c248af8806845d0e7c603c0c57dca8baf20b0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{7CCCB1EB-3B86-43B9-988C-5BB723F2E6D8}.FSD

Filesize
128KB

MD5
0d1cb99aff4c0e706712abc92b20a9d1

SHA1
3b13cb8e8cac0c7a9eeaf134f57a464303a7301f

SHA256
a1b419cb9bb73793b3574d099e0a9dd032945156551bf9d190fb42d01b6be3d8

SHA512
ed3ac5fe7224ff7c4a9a6cc99525ec13daee3c04f7f9fe8fb20014e14b12bacb0f656bd6531e369c51ded557e33c69951e86317ce5bad493a117106dd3c4a870

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\BOB1G6ZJ\microsoftEdgedeletedentirehistorycachehistoryfromthepc[1].doc

Filesize
61KB

MD5
9e0226adf02222bbee9aa7e2f6f1c07a

SHA1
64e031bda28509528f26a64ac5d7935cf5afe426

SHA256
632f7e212cc149d81b322def328534953b979d1f1885140e2645e4ac41d0f56c

SHA512
687e89fd04f39817432dec1f43754f18f77bda0f96e6fff1a24e00df3fdd0ab6831f39fb1c90240ce128c2dad34c5e43a7f7efcfb34052b02c634a0204595c90

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\C5AB7B3C.doc

Filesize
61KB

MD5
9e0226adf02222bbee9aa7e2f6f1c07a

SHA1
64e031bda28509528f26a64ac5d7935cf5afe426

SHA256
632f7e212cc149d81b322def328534953b979d1f1885140e2645e4ac41d0f56c

SHA512
687e89fd04f39817432dec1f43754f18f77bda0f96e6fff1a24e00df3fdd0ab6831f39fb1c90240ce128c2dad34c5e43a7f7efcfb34052b02c634a0204595c90

Download Submit
C:\Users\Admin\AppData\Local\Temp\{EEED5645-E3AA-4585-A818-91F1F7C71509}

Filesize
128KB

MD5
62c77e80fc1d21719051cfc26e6d0c94

SHA1
6b26536e34a18d20c059bf5f88fba0b96b72ddb2

SHA256
80cf544ae74a18d7a4131f0c98e7eb207c3600ac1d1813da5aed1aa861477944

SHA512
32f36fa928df0373b04896c3f175f53c4dcc7fbab4bcfec5bb4535ce88e1d3bf1a895f43720eef3fccb54b7028e91a03e10499951afd8055af289a4838813c27

Download Submit
C:\Users\Admin\AppData\Roaming\wlanext.exe

Filesize
823KB

MD5
3713c253ab56bf85aaa806fc41cc6905

SHA1
cf59aac87590bb5f3bba092f20455b097a1ffab5

SHA256
ae52ee94e65fb54e279703124ab5ee6191f655f61c5302c49e4cd862cfd1dc17

SHA512
ca02a48ec0ff561e50817d661830cd4c4cf39fdc9e458a8fc93170d0fbafc6d1c5f6903a888b95c313e639c74e1e2c2369486873a14fcfbafaa58c7313230f87

Download Submit
C:\Users\Admin\AppData\Roaming\wlanext.exe

Filesize
823KB

MD5
3713c253ab56bf85aaa806fc41cc6905

SHA1
cf59aac87590bb5f3bba092f20455b097a1ffab5

SHA256
ae52ee94e65fb54e279703124ab5ee6191f655f61c5302c49e4cd862cfd1dc17

SHA512
ca02a48ec0ff561e50817d661830cd4c4cf39fdc9e458a8fc93170d0fbafc6d1c5f6903a888b95c313e639c74e1e2c2369486873a14fcfbafaa58c7313230f87

Download Submit
C:\Users\Admin\AppData\Roaming\wlanext.exe

Filesize
823KB

MD5
3713c253ab56bf85aaa806fc41cc6905

SHA1
cf59aac87590bb5f3bba092f20455b097a1ffab5

SHA256
ae52ee94e65fb54e279703124ab5ee6191f655f61c5302c49e4cd862cfd1dc17

SHA512
ca02a48ec0ff561e50817d661830cd4c4cf39fdc9e458a8fc93170d0fbafc6d1c5f6903a888b95c313e639c74e1e2c2369486873a14fcfbafaa58c7313230f87

Download Submit
\Users\Admin\AppData\Roaming\wlanext.exe

Filesize
823KB

MD5
3713c253ab56bf85aaa806fc41cc6905

SHA1
cf59aac87590bb5f3bba092f20455b097a1ffab5

SHA256
ae52ee94e65fb54e279703124ab5ee6191f655f61c5302c49e4cd862cfd1dc17

SHA512
ca02a48ec0ff561e50817d661830cd4c4cf39fdc9e458a8fc93170d0fbafc6d1c5f6903a888b95c313e639c74e1e2c2369486873a14fcfbafaa58c7313230f87

Download Submit
\Users\Admin\AppData\Roaming\wlanext.exe

Filesize
823KB

MD5
3713c253ab56bf85aaa806fc41cc6905

SHA1
cf59aac87590bb5f3bba092f20455b097a1ffab5

SHA256
ae52ee94e65fb54e279703124ab5ee6191f655f61c5302c49e4cd862cfd1dc17

SHA512
ca02a48ec0ff561e50817d661830cd4c4cf39fdc9e458a8fc93170d0fbafc6d1c5f6903a888b95c313e639c74e1e2c2369486873a14fcfbafaa58c7313230f87

Download Submit
memory/884-8-0x00000000030D0000-0x00000000030D2000-memory.dmp

Filesize
8KB

Download
memory/884-1-0x00000000723CD000-0x00000000723D8000-memory.dmp

Filesize
44KB

Download
memory/884-104-0x00000000723CD000-0x00000000723D8000-memory.dmp

Filesize
44KB

Download
memory/884-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1892-130-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1892-135-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1892-132-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1892-127-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2172-101-0x000000006A730000-0x000000006AE1E000-memory.dmp

Filesize
6.9MB

Download
memory/2172-109-0x0000000001F30000-0x0000000001F4A000-memory.dmp

Filesize
104KB

Download
memory/2172-102-0x0000000004D40000-0x0000000004D80000-memory.dmp

Filesize
256KB

Download
memory/2172-99-0x00000000002B0000-0x0000000000384000-memory.dmp

Filesize
848KB

Download
memory/2172-106-0x000000006A730000-0x000000006AE1E000-memory.dmp

Filesize
6.9MB

Download
memory/2172-107-0x0000000004D40000-0x0000000004D80000-memory.dmp

Filesize
256KB

Download
memory/2172-108-0x0000000004D40000-0x0000000004D80000-memory.dmp

Filesize
256KB

Download
memory/2172-129-0x0000000004D40000-0x0000000004D80000-memory.dmp

Filesize
256KB

Download
memory/2172-110-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/2172-103-0x0000000004600000-0x0000000004644000-memory.dmp

Filesize
272KB

Download
memory/2172-133-0x000000006A730000-0x000000006AE1E000-memory.dmp

Filesize
6.9MB

Download
memory/2596-5-0x00000000723CD000-0x00000000723D8000-memory.dmp

Filesize
44KB

Download
memory/2596-3-0x000000002F0A1000-0x000000002F0A2000-memory.dmp

Filesize
4KB

Download
memory/2596-7-0x00000000037A0000-0x00000000037A2000-memory.dmp

Filesize
8KB

Download
memory/2596-105-0x00000000723CD000-0x00000000723D8000-memory.dmp

Filesize
44KB

Download
memory/2944-111-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download
memory/2944-117-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2944-116-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download
memory/2944-115-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download
memory/2944-113-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download