matiex | 9975e7afa1b740087e674d0e8600e95c14fbe862a14b7188e709723d6123f732

General

Target

Quotation 7339.exe
Size

3.6MB
MD5

830dcd49c9b23bf35d7d8bc6caf099a8
SHA1

8faecce6b954965528969fc946e7650865dbd763
SHA256

0ee6256edbcb97ace761a15d86ce3e3adc080364f752473dd941339060a4e4b2
SHA512

d7f7ac208933fb7a7aa65524bc4c37c983b7b01e1b1b112f0b83749b9bbc915d1678add8fcce77279a8859c496d690a879a84d525f9e987170479566ba8d8ea5

Score

10^/10

matiex collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
srvc13.turhost.com
Port:
587
Username:
[email protected]
Password:
italik2015

Signatures

Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
stealer keylogger matiex

Matiex Main Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2676-134-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

Quotation 7339.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Quotation 7339.exe\""	Quotation 7339.exe

Drops startup file 2 IoCs

Processes:

Quotation 7339.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Quotation 7339.exe	Quotation 7339.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Quotation 7339.exe	Quotation 7339.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 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Quotation 7339.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation 7339.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation 7339.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation 7339.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Quotation 7339.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Quotation 7339.exe"	Quotation 7339.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Quotation 7339.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Quotation 7339.exe"	Quotation 7339.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

18 checkip.dyndns.org
20 freegeoip.app
21 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

Quotation 7339.exe

description pid process target process

PID 3416 set thread context of 2676 3416 Quotation 7339.exe Quotation 7339.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4588 2676 WerFault.exe Quotation 7339.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Quotation 7339.exe

description pid process

Token: SeDebugPrivilege 2676 Quotation 7339.exe

flow	ioc
18	checkip.dyndns.org
20	freegeoip.app
21	freegeoip.app

description	pid	process	target process
PID 3416 set thread context of 2676	3416	Quotation 7339.exe	Quotation 7339.exe

pid	pid_target	process	target process
4588	2676	WerFault.exe	Quotation 7339.exe

description	pid	process
Token: SeDebugPrivilege	2676	Quotation 7339.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Quotation 7339.exe

description	pid	process	target process
PID 3416 wrote to memory of 2676	3416	Quotation 7339.exe	Quotation 7339.exe
PID 3416 wrote to memory of 2676	3416	Quotation 7339.exe	Quotation 7339.exe
PID 3416 wrote to memory of 2676	3416	Quotation 7339.exe	Quotation 7339.exe
PID 3416 wrote to memory of 2676	3416	Quotation 7339.exe	Quotation 7339.exe
PID 3416 wrote to memory of 2676	3416	Quotation 7339.exe	Quotation 7339.exe
PID 3416 wrote to memory of 2676	3416	Quotation 7339.exe	Quotation 7339.exe
PID 3416 wrote to memory of 2676	3416	Quotation 7339.exe	Quotation 7339.exe
PID 3416 wrote to memory of 2676	3416	Quotation 7339.exe	Quotation 7339.exe

outlook_office_path 1 IoCs

Processes:

Quotation 7339.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation 7339.exe

outlook_win_path 1 IoCs

Processes:

Quotation 7339.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation 7339.exe

C:\Users\Admin\AppData\Local\Temp\Quotation 7339.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation 7339.exe"
1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3416

C:\Users\Admin\AppData\Local\Temp\Quotation 7339.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation 7339.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 2028
3⤵
- Program crash
PID:4588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2676 -ip 2676
1⤵
PID:4656

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/2676-133-0x0000000000000000-mapping.dmp

Download
memory/2676-134-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2676-135-0x0000000005BD0000-0x0000000005C36000-memory.dmp

Filesize
408KB

Download
memory/3416-130-0x00000000006A0000-0x0000000000A32000-memory.dmp

Filesize
3.6MB

Download
memory/3416-131-0x0000000005430000-0x00000000054CC000-memory.dmp

Filesize
624KB

Download
memory/3416-132-0x0000000008100000-0x00000000086A4000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads