agenttesla | 632f7e212cc149d81b322def328534953b979d1f1885140e2645e4ac41d0f56c

General

Target

microsoftEdgedeletedentirehistorycachehistoryfromthepc.rtf
Size

61KB
MD5

9e0226adf02222bbee9aa7e2f6f1c07a
SHA1

64e031bda28509528f26a64ac5d7935cf5afe426
SHA256

632f7e212cc149d81b322def328534953b979d1f1885140e2645e4ac41d0f56c
SHA512

687e89fd04f39817432dec1f43754f18f77bda0f96e6fff1a24e00df3fdd0ab6831f39fb1c90240ce128c2dad34c5e43a7f7efcfb34052b02c634a0204595c90
SSDEEP

1536:x42f3VBEtZ2AffEjXoez57kFFg65HlkA02:x42fLXdz57kXhnkv2

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

3 2656 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

wlanext.exe

pid process

2148 wlanext.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

2656 EQNEDT32.EXE
2656 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
3	2656	EQNEDT32.EXE

pid	process
2148	wlanext.exe

pid	process
2656	EQNEDT32.EXE
2656	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 2148 set thread context of 1876 2148 wlanext.exe RegAsm.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
Office loads VBA resources, possible macro or embedded object present
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

2656 EQNEDT32.EXE

description	pid	process	target process
PID 2148 set thread context of 1876	2148	wlanext.exe	RegAsm.exe

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

pid	process
2656	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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.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"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
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\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	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 HTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	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\shell\edit	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"	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	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key 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\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.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"	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	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\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command	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\.htm\OpenWithList\Excel.exe\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	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\Microsoft Word\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\""	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 Excel\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	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\Excel.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	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 Excel\shell\edit\ddeexec\application	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel	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\mhtmlfile\shellex\IconHandler	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	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\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\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\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	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\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	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\MSPub.exe\shell\edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher	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\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word	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\.mht\OpenWithList\Excel.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	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 Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	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\Microsoft Excel\shell\edit\command	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2600 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

wlanext.exe

pid process

2148 wlanext.exe
2148 wlanext.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

wlanext.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 2148 wlanext.exe
Token: SeDebugPrivilege 1876 RegAsm.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2600 WINWORD.EXE
2600 WINWORD.EXE

pid	process
2600	WINWORD.EXE

pid	process
2148	wlanext.exe
2148	wlanext.exe

description	pid	process
Token: SeDebugPrivilege	2148	wlanext.exe
Token: SeDebugPrivilege	1876	RegAsm.exe

pid	process
2600	WINWORD.EXE
2600	WINWORD.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEwlanext.exe

description	pid	process	target process
PID 2656 wrote to memory of 2148	2656	EQNEDT32.EXE	wlanext.exe
PID 2656 wrote to memory of 2148	2656	EQNEDT32.EXE	wlanext.exe
PID 2656 wrote to memory of 2148	2656	EQNEDT32.EXE	wlanext.exe
PID 2656 wrote to memory of 2148	2656	EQNEDT32.EXE	wlanext.exe
PID 2600 wrote to memory of 2892	2600	WINWORD.EXE	splwow64.exe
PID 2600 wrote to memory of 2892	2600	WINWORD.EXE	splwow64.exe
PID 2600 wrote to memory of 2892	2600	WINWORD.EXE	splwow64.exe
PID 2600 wrote to memory of 2892	2600	WINWORD.EXE	splwow64.exe
PID 2148 wrote to memory of 1876	2148	wlanext.exe	RegAsm.exe
PID 2148 wrote to memory of 1876	2148	wlanext.exe	RegAsm.exe
PID 2148 wrote to memory of 1876	2148	wlanext.exe	RegAsm.exe
PID 2148 wrote to memory of 1876	2148	wlanext.exe	RegAsm.exe
PID 2148 wrote to memory of 1876	2148	wlanext.exe	RegAsm.exe
PID 2148 wrote to memory of 1876	2148	wlanext.exe	RegAsm.exe
PID 2148 wrote to memory of 1876	2148	wlanext.exe	RegAsm.exe
PID 2148 wrote to memory of 1876	2148	wlanext.exe	RegAsm.exe
PID 2148 wrote to memory of 1876	2148	wlanext.exe	RegAsm.exe
PID 2148 wrote to memory of 1876	2148	wlanext.exe	RegAsm.exe
PID 2148 wrote to memory of 1876	2148	wlanext.exe	RegAsm.exe
PID 2148 wrote to memory of 1876	2148	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\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\microsoftEdgedeletedentirehistorycachehistoryfromthepc.rtf"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2600

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2892

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:2656

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:2148

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:1876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

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/1876-34-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1876-36-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1876-46-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1876-44-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1876-41-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1876-38-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1876-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1876-37-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2148-26-0x0000000000D70000-0x0000000000DB4000-memory.dmp

Filesize
272KB

Download
memory/2148-20-0x000000006B190000-0x000000006B87E000-memory.dmp

Filesize
6.9MB

Download
memory/2148-31-0x00000000002F0000-0x0000000000330000-memory.dmp

Filesize
256KB

Download
memory/2148-32-0x0000000000980000-0x000000000099A000-memory.dmp

Filesize
104KB

Download
memory/2148-33-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2148-18-0x0000000000E10000-0x0000000000EE4000-memory.dmp

Filesize
848KB

Download
memory/2148-28-0x000000006B190000-0x000000006B87E000-memory.dmp

Filesize
6.9MB

Download
memory/2148-43-0x000000006B190000-0x000000006B87E000-memory.dmp

Filesize
6.9MB

Download
memory/2148-30-0x00000000002F0000-0x0000000000330000-memory.dmp

Filesize
256KB

Download
memory/2148-21-0x00000000002F0000-0x0000000000330000-memory.dmp

Filesize
256KB

Download
memory/2600-2-0x00000000716CD000-0x00000000716D8000-memory.dmp

Filesize
44KB

Download
memory/2600-27-0x00000000716CD000-0x00000000716D8000-memory.dmp

Filesize
44KB

Download
memory/2600-0-0x000000002F111000-0x000000002F112000-memory.dmp

Filesize
4KB

Download
memory/2600-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads