agenttesla | dd94c4c0dd46a40cb71f1b59b079577c8a4f6e4a1df88533d7edfea19099729c

Analysis

max time kernel
144s
max time network
138s
platform
windows7_x64
resource
win7-20231025-en
resource tags

arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
submitted
05-12-2023 02:10

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Report Analysis Logs

General

Target

dd94c4c0dd46a40cb71f1b59b079577c8a4f6e4a1df88533d7edfea19099729c.xls
Size

391KB
MD5

2d6edf232ef2f4e9ac72de52b4b4efa5
SHA1

2bbfb909e4e3bb1a1518e973afec5b587b59e426
SHA256

dd94c4c0dd46a40cb71f1b59b079577c8a4f6e4a1df88533d7edfea19099729c
SHA512

90cbe6288b682f688accd8a7493202d26f8a8614bc5a5bdc19743a4b8570bf7dfc47a1496f6fea759ba2319f2744e8bf17cdd6d859723cfee7ae3a4a2488c32e
SSDEEP

6144:/n1m9kdbQS6vsB3qfLWnNnBkbE9UX3rhnpC3quvmb6SrnV3LYpMMAI:/OeuvsB351Bkr3rh9b9hr

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 2836 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

2812 wlanext.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

2836 EQNEDT32.EXE
2836 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	2836	EQNEDT32.EXE

pid	process
2812	wlanext.exe

pid	process
2836	EQNEDT32.EXE
2836	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-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\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 2812 set thread context of 1924 2812 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

2836 EQNEDT32.EXE

description	pid	process	target process
PID 2812 set thread context of 1924	2812	wlanext.exe	RegAsm.exe

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

pid	process
2836	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXEEXCEL.EXE

description	ioc	process
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\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.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	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 MHTML Editor\shell	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-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\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\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 MHTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\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-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	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\edit\COMMAND	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	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\edit\command	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1128 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

wlanext.exe

pid process

2812 wlanext.exe
2812 wlanext.exe
2812 wlanext.exe
2812 wlanext.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

wlanext.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 2812 wlanext.exe
Token: SeDebugPrivilege 1924 RegAsm.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXEWINWORD.EXE

pid process

1128 EXCEL.EXE
1128 EXCEL.EXE
1128 EXCEL.EXE
2652 WINWORD.EXE
2652 WINWORD.EXE

pid	process
1128	EXCEL.EXE

pid	process
2812	wlanext.exe
2812	wlanext.exe
2812	wlanext.exe
2812	wlanext.exe

description	pid	process
Token: SeDebugPrivilege	2812	wlanext.exe
Token: SeDebugPrivilege	1924	RegAsm.exe

pid	process
1128	EXCEL.EXE
1128	EXCEL.EXE
1128	EXCEL.EXE
2652	WINWORD.EXE
2652	WINWORD.EXE

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEwlanext.exe

description	pid	process	target process
PID 2836 wrote to memory of 2812	2836	EQNEDT32.EXE	wlanext.exe
PID 2836 wrote to memory of 2812	2836	EQNEDT32.EXE	wlanext.exe
PID 2836 wrote to memory of 2812	2836	EQNEDT32.EXE	wlanext.exe
PID 2836 wrote to memory of 2812	2836	EQNEDT32.EXE	wlanext.exe
PID 2652 wrote to memory of 1392	2652	WINWORD.EXE	splwow64.exe
PID 2652 wrote to memory of 1392	2652	WINWORD.EXE	splwow64.exe
PID 2652 wrote to memory of 1392	2652	WINWORD.EXE	splwow64.exe
PID 2652 wrote to memory of 1392	2652	WINWORD.EXE	splwow64.exe
PID 2812 wrote to memory of 2996	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 2996	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 2996	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 2996	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 2996	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 2996	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 2996	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 2996	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 2996	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 2996	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 2996	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 2996	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 1924	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 1924	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 1924	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 1924	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 1924	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 1924	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 1924	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 1924	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 1924	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 1924	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 1924	2812	wlanext.exe	RegAsm.exe
PID 2812 wrote to memory of 1924	2812	wlanext.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\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-1-5-21-1861898231-3446828954-4278112889-1000\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\dd94c4c0dd46a40cb71f1b59b079577c8a4f6e4a1df88533d7edfea19099729c.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1128

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:2652

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1392

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:2836

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:2812

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
PID:2996

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:1924

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{044DBC2B-A115-4C7E-83D2-8984DE8C8424}.FSD

Filesize
128KB

MD5
26fc84c1ccd5367efc24d8fe6db1de7d

SHA1
a1b30e1484417f4243893d84fc3f5d7cee4f8067

SHA256
91cc185620d80b5756f20277d5fc11ab2163a2edc9fc139bd8bb94802f88514b

SHA512
4fb978e7dd4fd5443b4ff3038b5eef1e0b725cbcf1ee3be8b567b9bde43f8920882a69de56cd6d97ebedec498f7d2d9bd7bcc8584e06c116a8399302265a2baf

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

Filesize
128KB

MD5
840ecea7bf8028b4f535bec7c5a90f13

SHA1
a2c001dca69ad485429cb56bb940340d7ec088e9

SHA256
ac55e47f2810eb4f102dd9d6f87e9b1d8d3250bd5a57f693d0cdf24de3151c04

SHA512
cbe66f172fca436351a7f3c02ba15ff79c8fd003eefdb8140016a29e6fd47f3de6c2da90837656ae521603281df3928bc59f5880a3aad2de1023aacac1c5e0b5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{51072660-B35E-449D-AE43-A974DCC683C2}.FSD

Filesize
128KB

MD5
0f4231385da704e130d0920eee61bd60

SHA1
9d2a2ad5c956d67fa08fc92eb19462821bfa357c

SHA256
7f40c0f0efca6b4aac310917afc17bea56e96e849bd7edfb3b6f91522617d4fa

SHA512
e82165bbd47ed7b8f43ca7cbe298d9c6b510ee878fab629cc9800f78a7fa4df0cf861ea33b1692762b810147b7f55163e80a448682a5218678166b4463dfd894

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\9G8QJ0N4\microsofttoldemetheywanttodeletehistorycatchcookiefrommypc[1].doc

Filesize
48KB

MD5
08568b90661f80313579e0c16c2737f0

SHA1
859aa8a945a3585bf777ef29bbfeaeba8bc22526

SHA256
0bad6a3f47fd9b9063f5c71609e68bd2de6f9d6e4cf1a183351ee8f2f7ebf32b

SHA512
f46cf40ef8199cfe58ebd0bc63a09aa70c4c6d6bda1a55bd0d3ef63e26ea3580c63d963d8d4c9af28981ce369edd62a88779dad1bd0f4192115e6f534cb625d8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\64BEB20F.doc

Filesize
48KB

MD5
08568b90661f80313579e0c16c2737f0

SHA1
859aa8a945a3585bf777ef29bbfeaeba8bc22526

SHA256
0bad6a3f47fd9b9063f5c71609e68bd2de6f9d6e4cf1a183351ee8f2f7ebf32b

SHA512
f46cf40ef8199cfe58ebd0bc63a09aa70c4c6d6bda1a55bd0d3ef63e26ea3580c63d963d8d4c9af28981ce369edd62a88779dad1bd0f4192115e6f534cb625d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\{574B35C6-2719-43B7-9285-02D76E58DF52}

Filesize
128KB

MD5
c96214712a07c7507362359754e96c05

SHA1
d9c0745af3329a911a2855f544f6923ac9c9ed62

SHA256
6712c4adf0b8dc81974410045460d0ef1ad2442ca396b13190271f2b0780df4f

SHA512
86a4fbe5081e9c978b152e1d775670fb6f4b8833158e35f685b00528d6abe1c38a7129afc7ca3c6b784a16af32489ff37314ca4796d7a485bf0762b25206e2ea

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/1128-104-0x00000000724DD000-0x00000000724E8000-memory.dmp

Filesize
44KB

Download
memory/1128-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1128-8-0x0000000001F00000-0x0000000001F02000-memory.dmp

Filesize
8KB

Download
memory/1128-1-0x00000000724DD000-0x00000000724E8000-memory.dmp

Filesize
44KB

Download
memory/1924-130-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1924-128-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1924-127-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2652-105-0x00000000724DD000-0x00000000724E8000-memory.dmp

Filesize
44KB

Download
memory/2652-3-0x000000002F811000-0x000000002F812000-memory.dmp

Filesize
4KB

Download
memory/2652-5-0x00000000724DD000-0x00000000724E8000-memory.dmp

Filesize
44KB

Download
memory/2652-7-0x0000000003EB0000-0x0000000003EB2000-memory.dmp

Filesize
8KB

Download
memory/2812-100-0x000000006A8A0000-0x000000006AF8E000-memory.dmp

Filesize
6.9MB

Download
memory/2812-102-0x0000000000960000-0x00000000009A4000-memory.dmp

Filesize
272KB

Download
memory/2812-107-0x0000000004D40000-0x0000000004D80000-memory.dmp

Filesize
256KB

Download
memory/2812-108-0x0000000004D40000-0x0000000004D80000-memory.dmp

Filesize
256KB

Download
memory/2812-109-0x00000000004A0000-0x00000000004BA000-memory.dmp

Filesize
104KB

Download
memory/2812-110-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2812-99-0x0000000000150000-0x0000000000224000-memory.dmp

Filesize
848KB

Download
memory/2812-106-0x000000006A8A0000-0x000000006AF8E000-memory.dmp

Filesize
6.9MB

Download
memory/2812-101-0x0000000004D40000-0x0000000004D80000-memory.dmp

Filesize
256KB

Download
memory/2812-129-0x000000006A8A0000-0x000000006AF8E000-memory.dmp

Filesize
6.9MB

Download
memory/2996-113-0x00000000000B0000-0x00000000000E0000-memory.dmp

Filesize
192KB

Download
memory/2996-117-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2996-116-0x00000000000B0000-0x00000000000E0000-memory.dmp

Filesize
192KB

Download
memory/2996-115-0x00000000000B0000-0x00000000000E0000-memory.dmp

Filesize
192KB

Download
memory/2996-111-0x00000000000B0000-0x00000000000E0000-memory.dmp

Filesize
192KB

Download