matiex | 304fe28472a190be87a8ba280d25c15462adbe87dd31f60ce094fb01e2edbeb5

General

Target

67f1c7ac6d42dbef538d693299efe53f.exe
Size

576KB
MD5

67f1c7ac6d42dbef538d693299efe53f
SHA1

3f50db5ab472e4b3c26bbd29f8d0ca263aa2d206
SHA256

304fe28472a190be87a8ba280d25c15462adbe87dd31f60ce094fb01e2edbeb5
SHA512

986e01b9dbad0c9814681d1eb724d2dac2493da1a1d36513f32d8c72c8207f34e0618186526a13bd4bed75f6981ed29fbf97a39e599592050064e82d65dc7438
SSDEEP

12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZo:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pc5

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

resource	yara_rule
behavioral1/memory/740-61-0x0000000000400000-0x0000000000482000-memory.dmp	family_matiex
behavioral1/memory/740-62-0x0000000000340000-0x00000000003B2000-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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67f1c7ac6d42dbef538d693299efe53f.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67f1c7ac6d42dbef538d693299efe53f.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67f1c7ac6d42dbef538d693299efe53f.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
8	freegeoip.app
3	checkip.dyndns.org
7	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1472 set thread context of 740	1472	67f1c7ac6d42dbef538d693299efe53f.exe	28

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1332	740	WerFault.exe	28

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
1900	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1472	67f1c7ac6d42dbef538d693299efe53f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	740	67f1c7ac6d42dbef538d693299efe53f.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 2032	1472	67f1c7ac6d42dbef538d693299efe53f.exe	27
PID 1472 wrote to memory of 2032	1472	67f1c7ac6d42dbef538d693299efe53f.exe	27
PID 1472 wrote to memory of 2032	1472	67f1c7ac6d42dbef538d693299efe53f.exe	27
PID 1472 wrote to memory of 2032	1472	67f1c7ac6d42dbef538d693299efe53f.exe	27
PID 1472 wrote to memory of 740	1472	67f1c7ac6d42dbef538d693299efe53f.exe	28
PID 1472 wrote to memory of 740	1472	67f1c7ac6d42dbef538d693299efe53f.exe	28
PID 1472 wrote to memory of 740	1472	67f1c7ac6d42dbef538d693299efe53f.exe	28
PID 1472 wrote to memory of 740	1472	67f1c7ac6d42dbef538d693299efe53f.exe	28
PID 1472 wrote to memory of 740	1472	67f1c7ac6d42dbef538d693299efe53f.exe	28
PID 2032 wrote to memory of 1900	2032	cmd.exe	29
PID 2032 wrote to memory of 1900	2032	cmd.exe	29
PID 2032 wrote to memory of 1900	2032	cmd.exe	29
PID 2032 wrote to memory of 1900	2032	cmd.exe	29
PID 740 wrote to memory of 1332	740	67f1c7ac6d42dbef538d693299efe53f.exe	31
PID 740 wrote to memory of 1332	740	67f1c7ac6d42dbef538d693299efe53f.exe	31
PID 740 wrote to memory of 1332	740	67f1c7ac6d42dbef538d693299efe53f.exe	31
PID 740 wrote to memory of 1332	740	67f1c7ac6d42dbef538d693299efe53f.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67f1c7ac6d42dbef538d693299efe53f.exe

outlook_win_path 1 IoCs

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	67f1c7ac6d42dbef538d693299efe53f.exe

C:\Users\Admin\AppData\Local\Temp\67f1c7ac6d42dbef538d693299efe53f.exe
"C:\Users\Admin\AppData\Local\Temp\67f1c7ac6d42dbef538d693299efe53f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1472
- 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:2032
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:1900
- C:\Users\Admin\AppData\Local\Temp\67f1c7ac6d42dbef538d693299efe53f.exe
  "C:\Users\Admin\AppData\Local\Temp\67f1c7ac6d42dbef538d693299efe53f.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1644
    3⤵
    - Program crash
    PID:1332

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/740-57-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

Download
memory/740-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/740-62-0x0000000000340000-0x00000000003B2000-memory.dmp

Filesize
456KB

Download
memory/1472-54-0x000000000043A000-0x0000000000440000-memory.dmp

Filesize
24KB

Download
memory/1472-58-0x000000000043A000-0x0000000000440000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads