matiex | ce906abac5a9ccb39ca72a1a8fd0f7bb0b594e6bae1682cbe41b3996c2c66417

General

Target

acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe
Size

445KB
MD5

260b0475cb253fdbfe7fcca5da72d654
SHA1

bab9a8096fd77be62e46fbd3d19322798dbf0b2c
SHA256

acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27
SHA512

2521e6e3c0d541d412d7a4f5d233c6a7604969fd17f7f2cc32de9ce4236a8539681aa1d505d7363547a5a9edf44e6b6b7b8101307d02ea7d9e19c3adea48dc15
SSDEEP

3072:3owRomXjZLHAJh2DxkUhyvc7kq80CEZ/hs+LZMfKVsvMBOXpWNFCP:vOQBHuU9kfvc7kp+VMKVqsOXpk8

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1756187234:AAEwfPYzakHSD2qBn9cgXWrQVwhYmkqQScY/sendMessage?chat_id=1704325017

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/4964-135-0x0000000000680000-0x00000000006F6000-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 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:

acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.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

13 freegeoip.app
10 checkip.dyndns.org
12 freegeoip.app
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3504 4964 WerFault.exe acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe

flow	ioc
13	freegeoip.app
10	checkip.dyndns.org
12	freegeoip.app

pid	pid_target	process	target process
3504	4964	WerFault.exe	acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe

Modifies registry class 5 IoCs

Processes:

acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\ms-settings\shell\open	acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\ms-settings\shell\open\command\	acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\ms-settings\shell\open\command	acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\ms-settings	acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\ms-settings\shell	acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe

description pid process

Token: SeDebugPrivilege 4964 acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe

description	pid	process
Token: SeDebugPrivilege	4964	acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe

outlook_office_path 1 IoCs

Processes:

acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe

outlook_win_path 1 IoCs

Processes:

acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe

C:\Users\Admin\AppData\Local\Temp\acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe
"C:\Users\Admin\AppData\Local\Temp\acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 2296
2⤵
- Program crash
PID:3504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4964 -ip 4964
1⤵
PID:2292

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/4964-135-0x0000000000680000-0x00000000006F6000-memory.dmp

Filesize
472KB

Download
memory/4964-136-0x0000000004FD0000-0x000000000506C000-memory.dmp

Filesize
624KB

Download
memory/4964-137-0x0000000005620000-0x0000000005BC4000-memory.dmp

Filesize
5.6MB

Download
memory/4964-138-0x0000000005070000-0x00000000050D6000-memory.dmp

Filesize
408KB

Download
memory/4964-139-0x0000000005E70000-0x0000000005F02000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads