matiex | acd5409f9d010cd52931d76e42923387c6e34ca855b5878e13c16a1c2fa99e27

Analysis

max time kernel
83s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2022 18:53

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General

Target

260b0475cb253fdbfe7fcca5da72d654.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

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/528-135-0x0000000000DA0000-0x0000000000E16000-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:

260b0475cb253fdbfe7fcca5da72d654.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	260b0475cb253fdbfe7fcca5da72d654.exe
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	260b0475cb253fdbfe7fcca5da72d654.exe
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	260b0475cb253fdbfe7fcca5da72d654.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

23 freegeoip.app
20 checkip.dyndns.org
22 freegeoip.app
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2964 528 WerFault.exe 260b0475cb253fdbfe7fcca5da72d654.exe

flow	ioc
23	freegeoip.app
20	checkip.dyndns.org
22	freegeoip.app

pid	pid_target	process	target process
2964	528	WerFault.exe	260b0475cb253fdbfe7fcca5da72d654.exe

Modifies registry class 5 IoCs

Processes:

260b0475cb253fdbfe7fcca5da72d654.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000_Classes\ms-settings\shell\open\command	260b0475cb253fdbfe7fcca5da72d654.exe
Key created	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000_Classes\ms-settings	260b0475cb253fdbfe7fcca5da72d654.exe
Key created	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000_Classes\ms-settings\shell	260b0475cb253fdbfe7fcca5da72d654.exe
Key created	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000_Classes\ms-settings\shell\open	260b0475cb253fdbfe7fcca5da72d654.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000_Classes\ms-settings\shell\open\command\	260b0475cb253fdbfe7fcca5da72d654.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

260b0475cb253fdbfe7fcca5da72d654.exe

description pid process

Token: SeDebugPrivilege 528 260b0475cb253fdbfe7fcca5da72d654.exe

description	pid	process
Token: SeDebugPrivilege	528	260b0475cb253fdbfe7fcca5da72d654.exe

outlook_office_path 1 IoCs

Processes:

260b0475cb253fdbfe7fcca5da72d654.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	260b0475cb253fdbfe7fcca5da72d654.exe

outlook_win_path 1 IoCs

Processes:

260b0475cb253fdbfe7fcca5da72d654.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	260b0475cb253fdbfe7fcca5da72d654.exe

C:\Users\Admin\AppData\Local\Temp\260b0475cb253fdbfe7fcca5da72d654.exe
"C:\Users\Admin\AppData\Local\Temp\260b0475cb253fdbfe7fcca5da72d654.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 2308
2⤵
- Program crash
PID:2964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 528 -ip 528
1⤵
PID:3456

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/528-135-0x0000000000DA0000-0x0000000000E16000-memory.dmp

Filesize
472KB

Download
memory/528-136-0x0000000005780000-0x000000000581C000-memory.dmp

Filesize
624KB

Download
memory/528-137-0x0000000005E50000-0x00000000063F4000-memory.dmp

Filesize
5.6MB

Download
memory/528-138-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/528-139-0x00000000066E0000-0x0000000006772000-memory.dmp

Filesize
584KB

Download