matiex | 2e11a21dab7ad117856ecb9f80cdb22241bf6b4a0f231e05483bdddf997fbae5

General

Target

b368b4f8ba0c292896547adf2a35f967.exe
Size

704KB
MD5

b368b4f8ba0c292896547adf2a35f967
SHA1

02db58020730eb1fb7169c3d4ccc6f17aa3b6037
SHA256

2e11a21dab7ad117856ecb9f80cdb22241bf6b4a0f231e05483bdddf997fbae5
SHA512

0412f02ee3feb86daca01131d7f7fd52037ed6484edd8188c62eeb9c43db7fa6443d5ce9ed3b9c2daba70cadba8d71badecb6dc2670c85b64a6829e80e194d11
SSDEEP

12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZoCzZWpfb:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pcN

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/4328-140-0x0000000000400000-0x0000000000482000-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	b368b4f8ba0c292896547adf2a35f967.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b368b4f8ba0c292896547adf2a35f967.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b368b4f8ba0c292896547adf2a35f967.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
9	freegeoip.app
10	freegeoip.app
7	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 4328	2540	b368b4f8ba0c292896547adf2a35f967.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
680	4328	WerFault.exe	85

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
376	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2540	b368b4f8ba0c292896547adf2a35f967.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4328	b368b4f8ba0c292896547adf2a35f967.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 4884	2540	b368b4f8ba0c292896547adf2a35f967.exe	84
PID 2540 wrote to memory of 4884	2540	b368b4f8ba0c292896547adf2a35f967.exe	84
PID 2540 wrote to memory of 4884	2540	b368b4f8ba0c292896547adf2a35f967.exe	84
PID 2540 wrote to memory of 4328	2540	b368b4f8ba0c292896547adf2a35f967.exe	85
PID 2540 wrote to memory of 4328	2540	b368b4f8ba0c292896547adf2a35f967.exe	85
PID 2540 wrote to memory of 4328	2540	b368b4f8ba0c292896547adf2a35f967.exe	85
PID 2540 wrote to memory of 4328	2540	b368b4f8ba0c292896547adf2a35f967.exe	85
PID 4884 wrote to memory of 376	4884	cmd.exe	86
PID 4884 wrote to memory of 376	4884	cmd.exe	86
PID 4884 wrote to memory of 376	4884	cmd.exe	86

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	b368b4f8ba0c292896547adf2a35f967.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	b368b4f8ba0c292896547adf2a35f967.exe

C:\Users\Admin\AppData\Local\Temp\b368b4f8ba0c292896547adf2a35f967.exe
"C:\Users\Admin\AppData\Local\Temp\b368b4f8ba0c292896547adf2a35f967.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\SysWOW64\cmd.exe
  cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4884
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:376
- C:\Users\Admin\AppData\Local\Temp\b368b4f8ba0c292896547adf2a35f967.exe
  "C:\Users\Admin\AppData\Local\Temp\b368b4f8ba0c292896547adf2a35f967.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4328
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 1892
    3⤵
    - Program crash
    PID:680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4328 -ip 4328
1⤵
PID:2128

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml

Filesize
1KB

MD5
e93833a5dc811722d20e043ecd456098

SHA1
0b3219317882da8cd167b9129384d11d9f08e482

SHA256
4e6246a2b91980f9c86b85ec9941875fe41bdb8c13ef7f189ee4560fa8a8e189

SHA512
c69144a3aa4a52cf888c206d85d41db7aeca5348b186d45cf027b7a364145e870bced07595f84002f7f36dceed3bfc2a85848113be1c5b1e72240979b019c1b5

Download Submit
memory/2540-134-0x0000000000AFA000-0x0000000000B00000-memory.dmp

Filesize
24KB

Download
memory/2540-135-0x0000000000AFA000-0x0000000000B00000-memory.dmp

Filesize
24KB

Download
memory/4328-138-0x00000000057F0000-0x000000000588C000-memory.dmp

Filesize
624KB

Download
memory/4328-139-0x0000000005E40000-0x00000000063E4000-memory.dmp

Filesize
5.6MB

Download
memory/4328-140-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4328-141-0x0000000005900000-0x0000000005966000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads