matiex | 44dceefb44c2ff756c3d9093b69b76dba826ecb55ff6279fe0e519585a6fa342

General

Target

a8fae326658ce7fb7aa5a3127ee35cb6.exe
Size

558KB
MD5

a8fae326658ce7fb7aa5a3127ee35cb6
SHA1

6559e08cc97a2ff9bba6906a885307378aad5c03
SHA256

44dceefb44c2ff756c3d9093b69b76dba826ecb55ff6279fe0e519585a6fa342
SHA512

8c272f59e0a8de46275e43cfe7b3e2a3d226f78b77e4102775d3b58cd82cce9a355e9935939275a1f6b80784c09958cacf1b47f2984ae971c81d9a45e50c3f8d
SSDEEP

12288:P9SS0V7xIyeP9I1mKpDPhe950yvCfXU2euRrAMIWmA0lq:1SS0VCFI1n9EnCMB0rpGV

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Signatures

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

Matiex Main payload 1 IoCs

resource	yara_rule
behavioral2/memory/960-140-0x0000000000400000-0x0000000000483000-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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a8fae326658ce7fb7aa5a3127ee35cb6.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a8fae326658ce7fb7aa5a3127ee35cb6.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a8fae326658ce7fb7aa5a3127ee35cb6.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.

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2016 set thread context of 960	2016	a8fae326658ce7fb7aa5a3127ee35cb6.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2960	960	WerFault.exe	84

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
4780	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2016	a8fae326658ce7fb7aa5a3127ee35cb6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	960	a8fae326658ce7fb7aa5a3127ee35cb6.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 916	2016	a8fae326658ce7fb7aa5a3127ee35cb6.exe	83
PID 2016 wrote to memory of 916	2016	a8fae326658ce7fb7aa5a3127ee35cb6.exe	83
PID 2016 wrote to memory of 916	2016	a8fae326658ce7fb7aa5a3127ee35cb6.exe	83
PID 2016 wrote to memory of 960	2016	a8fae326658ce7fb7aa5a3127ee35cb6.exe	84
PID 2016 wrote to memory of 960	2016	a8fae326658ce7fb7aa5a3127ee35cb6.exe	84
PID 2016 wrote to memory of 960	2016	a8fae326658ce7fb7aa5a3127ee35cb6.exe	84
PID 2016 wrote to memory of 960	2016	a8fae326658ce7fb7aa5a3127ee35cb6.exe	84
PID 916 wrote to memory of 4780	916	cmd.exe	85
PID 916 wrote to memory of 4780	916	cmd.exe	85
PID 916 wrote to memory of 4780	916	cmd.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a8fae326658ce7fb7aa5a3127ee35cb6.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a8fae326658ce7fb7aa5a3127ee35cb6.exe

C:\Users\Admin\AppData\Local\Temp\a8fae326658ce7fb7aa5a3127ee35cb6.exe
"C:\Users\Admin\AppData\Local\Temp\a8fae326658ce7fb7aa5a3127ee35cb6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SysWOW64\cmd.exe
  cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\d4c79d78a33a481894964ddfeeee395c.xml"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:916
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\d4c79d78a33a481894964ddfeeee395c.xml"
    3⤵
    - Creates scheduled task(s)
    PID:4780
- C:\Users\Admin\AppData\Local\Temp\a8fae326658ce7fb7aa5a3127ee35cb6.exe
  "C:\Users\Admin\AppData\Local\Temp\a8fae326658ce7fb7aa5a3127ee35cb6.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:960
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 960 -s 2460
    3⤵
    - Program crash
    PID:2960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 960 -ip 960
1⤵
PID:4716

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\d4c79d78a33a481894964ddfeeee395c.xml

Filesize
1KB

MD5
e93833a5dc811722d20e043ecd456098

SHA1
0b3219317882da8cd167b9129384d11d9f08e482

SHA256
4e6246a2b91980f9c86b85ec9941875fe41bdb8c13ef7f189ee4560fa8a8e189

SHA512
c69144a3aa4a52cf888c206d85d41db7aeca5348b186d45cf027b7a364145e870bced07595f84002f7f36dceed3bfc2a85848113be1c5b1e72240979b019c1b5

Download Submit
memory/960-138-0x0000000005030000-0x00000000050CC000-memory.dmp

Filesize
624KB

Download
memory/960-139-0x00000000050D0000-0x0000000005136000-memory.dmp

Filesize
408KB

Download
memory/960-140-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/960-141-0x00000000064F0000-0x0000000006A94000-memory.dmp

Filesize
5.6MB

Download
memory/2016-134-0x00000000003CA000-0x00000000003D0000-memory.dmp

Filesize
24KB

Download
memory/2016-136-0x00000000003CA000-0x00000000003D0000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads