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 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1736-59-0x0000000000400000-0x0000000000482000-memory.dmp	family_matiex
behavioral1/memory/1736-61-0x0000000000530000-0x00000000005A2000-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:

b368b4f8ba0c292896547adf2a35f967.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b368b4f8ba0c292896547adf2a35f967.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b368b4f8ba0c292896547adf2a35f967.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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.

Processes:

flow ioc

8 freegeoip.app
3 checkip.dyndns.org
7 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

b368b4f8ba0c292896547adf2a35f967.exe

description pid process target process

PID 1160 set thread context of 1736 1160 b368b4f8ba0c292896547adf2a35f967.exe b368b4f8ba0c292896547adf2a35f967.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1780 1736 WerFault.exe b368b4f8ba0c292896547adf2a35f967.exe
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

Processes:

schtasks.exe

pid process

1716 schtasks.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

b368b4f8ba0c292896547adf2a35f967.exe

pid process

1160 b368b4f8ba0c292896547adf2a35f967.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b368b4f8ba0c292896547adf2a35f967.exe

description pid process

Token: SeDebugPrivilege 1736 b368b4f8ba0c292896547adf2a35f967.exe

flow	ioc
8	freegeoip.app
3	checkip.dyndns.org
7	freegeoip.app

description	pid	process	target process
PID 1160 set thread context of 1736	1160	b368b4f8ba0c292896547adf2a35f967.exe	b368b4f8ba0c292896547adf2a35f967.exe

pid	pid_target	process	target process
1780	1736	WerFault.exe	b368b4f8ba0c292896547adf2a35f967.exe

pid	process
1716	schtasks.exe

pid	process
1160	b368b4f8ba0c292896547adf2a35f967.exe

description	pid	process
Token: SeDebugPrivilege	1736	b368b4f8ba0c292896547adf2a35f967.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

b368b4f8ba0c292896547adf2a35f967.execmd.exeb368b4f8ba0c292896547adf2a35f967.exe

description	pid	process	target process
PID 1160 wrote to memory of 1900	1160	b368b4f8ba0c292896547adf2a35f967.exe	cmd.exe
PID 1160 wrote to memory of 1900	1160	b368b4f8ba0c292896547adf2a35f967.exe	cmd.exe
PID 1160 wrote to memory of 1900	1160	b368b4f8ba0c292896547adf2a35f967.exe	cmd.exe
PID 1160 wrote to memory of 1900	1160	b368b4f8ba0c292896547adf2a35f967.exe	cmd.exe
PID 1160 wrote to memory of 1736	1160	b368b4f8ba0c292896547adf2a35f967.exe	b368b4f8ba0c292896547adf2a35f967.exe
PID 1160 wrote to memory of 1736	1160	b368b4f8ba0c292896547adf2a35f967.exe	b368b4f8ba0c292896547adf2a35f967.exe
PID 1160 wrote to memory of 1736	1160	b368b4f8ba0c292896547adf2a35f967.exe	b368b4f8ba0c292896547adf2a35f967.exe
PID 1160 wrote to memory of 1736	1160	b368b4f8ba0c292896547adf2a35f967.exe	b368b4f8ba0c292896547adf2a35f967.exe
PID 1160 wrote to memory of 1736	1160	b368b4f8ba0c292896547adf2a35f967.exe	b368b4f8ba0c292896547adf2a35f967.exe
PID 1900 wrote to memory of 1716	1900	cmd.exe	schtasks.exe
PID 1900 wrote to memory of 1716	1900	cmd.exe	schtasks.exe
PID 1900 wrote to memory of 1716	1900	cmd.exe	schtasks.exe
PID 1900 wrote to memory of 1716	1900	cmd.exe	schtasks.exe
PID 1736 wrote to memory of 1780	1736	b368b4f8ba0c292896547adf2a35f967.exe	WerFault.exe
PID 1736 wrote to memory of 1780	1736	b368b4f8ba0c292896547adf2a35f967.exe	WerFault.exe
PID 1736 wrote to memory of 1780	1736	b368b4f8ba0c292896547adf2a35f967.exe	WerFault.exe
PID 1736 wrote to memory of 1780	1736	b368b4f8ba0c292896547adf2a35f967.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

b368b4f8ba0c292896547adf2a35f967.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b368b4f8ba0c292896547adf2a35f967.exe

outlook_win_path 1 IoCs

Processes:

b368b4f8ba0c292896547adf2a35f967.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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:1160

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:1900

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
3⤵
- Creates scheduled task(s)
PID:1716

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
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 1648
3⤵
- Program crash
PID:1780

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
dea070bce66d1fbc1feb65e7103d19dd

SHA1
9ec51066ac265a0fdf400d26d19cb844a01e4d27

SHA256
d2262af5148f92c65ca685d63e78873dd781ce5dd220a3f16407b58213304386

SHA512
97574217239bfb9f3c15141b25b2576db45d72db2c68b6b41d8c1e55b462b03ce7420553ac4df6b99c636358ce18d553a9be59fad802451ce1ba1aad5a5a0df6

Download Submit
memory/1160-57-0x00000000002FA000-0x0000000000300000-memory.dmp

Filesize
24KB

Download
memory/1716-58-0x0000000000000000-mapping.dmp

Download
memory/1736-55-0x000000000040188B-mapping.dmp

Download
memory/1736-56-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/1736-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1736-61-0x0000000000530000-0x00000000005A2000-memory.dmp

Filesize
456KB

Download
memory/1780-62-0x0000000000000000-mapping.dmp

Download
memory/1900-54-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads