matiex | 356c38de132ad392f3155f48d11f97efbd7892a04499aea67dab5a76e85cb68d

General

Target

8e5e31f5dd73631eddc2cb57e0f48a9a.exe
Size

1.5MB
MD5

8e5e31f5dd73631eddc2cb57e0f48a9a
SHA1

13bd3cf85edef10be8b60c96334eda4f30eda0ba
SHA256

356c38de132ad392f3155f48d11f97efbd7892a04499aea67dab5a76e85cb68d
SHA512

43cf5099575d698ffbd13dc82aa76e2358629d52217cd9d019acfb52c87a29e1ef9750dee756d164787544c76cc68464b014e3f17b3236467952ef95215a94d1

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1769394961:AAF5BB35akL859CwVaXypIqpVsGWlaKvi7A/sendMessage?chat_id=1735544933

Signatures

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

Matiex Main Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/584-62-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/584-63-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/584-64-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/584-65-0x000000000047032E-mapping.dmp	family_matiex
behavioral1/memory/584-66-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

8e5e31f5dd73631eddc2cb57e0f48a9a.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8e5e31f5dd73631eddc2cb57e0f48a9a.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8e5e31f5dd73631eddc2cb57e0f48a9a.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8e5e31f5dd73631eddc2cb57e0f48a9a.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

8 freegeoip.app
9 freegeoip.app
4 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

8e5e31f5dd73631eddc2cb57e0f48a9a.exe

description pid process target process

PID 1092 set thread context of 584 1092 8e5e31f5dd73631eddc2cb57e0f48a9a.exe 8e5e31f5dd73631eddc2cb57e0f48a9a.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

8e5e31f5dd73631eddc2cb57e0f48a9a.exe

pid process

584 8e5e31f5dd73631eddc2cb57e0f48a9a.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

8e5e31f5dd73631eddc2cb57e0f48a9a.exe

description pid process

Token: SeDebugPrivilege 584 8e5e31f5dd73631eddc2cb57e0f48a9a.exe

flow	ioc
8	freegeoip.app
9	freegeoip.app
4	checkip.dyndns.org

description	pid	process	target process
PID 1092 set thread context of 584	1092	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	8e5e31f5dd73631eddc2cb57e0f48a9a.exe

pid	process
584	8e5e31f5dd73631eddc2cb57e0f48a9a.exe

description	pid	process
Token: SeDebugPrivilege	584	8e5e31f5dd73631eddc2cb57e0f48a9a.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

8e5e31f5dd73631eddc2cb57e0f48a9a.exe8e5e31f5dd73631eddc2cb57e0f48a9a.exe

description	pid	process	target process
PID 1092 wrote to memory of 584	1092	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	8e5e31f5dd73631eddc2cb57e0f48a9a.exe
PID 1092 wrote to memory of 584	1092	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	8e5e31f5dd73631eddc2cb57e0f48a9a.exe
PID 1092 wrote to memory of 584	1092	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	8e5e31f5dd73631eddc2cb57e0f48a9a.exe
PID 1092 wrote to memory of 584	1092	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	8e5e31f5dd73631eddc2cb57e0f48a9a.exe
PID 1092 wrote to memory of 584	1092	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	8e5e31f5dd73631eddc2cb57e0f48a9a.exe
PID 1092 wrote to memory of 584	1092	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	8e5e31f5dd73631eddc2cb57e0f48a9a.exe
PID 1092 wrote to memory of 584	1092	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	8e5e31f5dd73631eddc2cb57e0f48a9a.exe
PID 1092 wrote to memory of 584	1092	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	8e5e31f5dd73631eddc2cb57e0f48a9a.exe
PID 1092 wrote to memory of 584	1092	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	8e5e31f5dd73631eddc2cb57e0f48a9a.exe
PID 584 wrote to memory of 1972	584	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	netsh.exe
PID 584 wrote to memory of 1972	584	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	netsh.exe
PID 584 wrote to memory of 1972	584	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	netsh.exe
PID 584 wrote to memory of 1972	584	8e5e31f5dd73631eddc2cb57e0f48a9a.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

8e5e31f5dd73631eddc2cb57e0f48a9a.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8e5e31f5dd73631eddc2cb57e0f48a9a.exe

outlook_win_path 1 IoCs

Processes:

8e5e31f5dd73631eddc2cb57e0f48a9a.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8e5e31f5dd73631eddc2cb57e0f48a9a.exe

C:\Users\Admin\AppData\Local\Temp\8e5e31f5dd73631eddc2cb57e0f48a9a.exe
"C:\Users\Admin\AppData\Local\Temp\8e5e31f5dd73631eddc2cb57e0f48a9a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1092

C:\Users\Admin\AppData\Local\Temp\8e5e31f5dd73631eddc2cb57e0f48a9a.exe
"C:\Users\Admin\AppData\Local\Temp\8e5e31f5dd73631eddc2cb57e0f48a9a.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:584

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1972

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/584-64-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/584-63-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/584-68-0x0000000005890000-0x0000000005891000-memory.dmp

Filesize
4KB

Download
memory/584-66-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/584-62-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/584-60-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/584-65-0x000000000047032E-mapping.dmp

Download
memory/584-61-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1092-56-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/1092-54-0x00000000010B0000-0x00000000010B1000-memory.dmp

Filesize
4KB

Download
memory/1092-59-0x00000000080F0000-0x0000000008263000-memory.dmp

Filesize
1.4MB

Download
memory/1092-58-0x0000000000430000-0x0000000000437000-memory.dmp

Filesize
28KB

Download
memory/1092-57-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

Filesize
4KB

Download
memory/1972-69-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads