matiex | a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766

General

Target
a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe
Size 463KB
Sample220415-be2qrsafe8
SHA256 a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766
MD5 c64e46b8a01abad95b7f9e317778f1da
SHA1 f27d976223aa8bd7bcbc28e59fd2eb75ed33bbb8
SHA512 6ffe5a9b183a82b088966be5611de20c29ae6c03cfd148d6091e16ce0a7b61a2f64459e2007480c013fbe479588df70ccb500491e70d1b466a8473d6cd58a3c4
MD5 SHA1 SHA512

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol
smtp
Host
SMTP.yandex.com
Port
587
Username
[email protected]
Password
yahdera121

Extracted

Family

matiex

Credentials

Protocol
smtp
Host
SMTP.yandex.com
Port
587
Username
[email protected]
Password
yahdera121

Signatures

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

Matiex Main Payload 6 IoCs

resource	yara_rule
behavioral1/memory/1984-60-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1984-61-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1984-62-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1984-63-0x000000000047093E-mapping.dmp	family_matiex
behavioral1/memory/1984-65-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1984-67-0x0000000000400000-0x0000000000476000-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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.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
9	freegeoip.app
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1488 set thread context of 1984	1488	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1984	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1984	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 1984	1488	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	27
PID 1488 wrote to memory of 1984	1488	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	27
PID 1488 wrote to memory of 1984	1488	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	27
PID 1488 wrote to memory of 1984	1488	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	27
PID 1488 wrote to memory of 1984	1488	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	27
PID 1488 wrote to memory of 1984	1488	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	27
PID 1488 wrote to memory of 1984	1488	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	27
PID 1488 wrote to memory of 1984	1488	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	27
PID 1488 wrote to memory of 1984	1488	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	27
PID 1984 wrote to memory of 664	1984	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	29
PID 1984 wrote to memory of 664	1984	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	29
PID 1984 wrote to memory of 664	1984	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	29
PID 1984 wrote to memory of 664	1984	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe

C:\Users\Admin\AppData\Local\Temp\a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe
"C:\Users\Admin\AppData\Local\Temp\a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Users\Admin\AppData\Local\Temp\a1b432f03f0e88407c71b210a5f013ddeff35a1fd7fe36f5fd03808a9474c766.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1984
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:664

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/664-69-0x0000000075271000-0x0000000075273000-memory.dmp

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memory/1488-54-0x0000000000DD0000-0x0000000000E4A000-memory.dmp

Download

memory/1488-55-0x0000000000680000-0x000000000069C000-memory.dmp

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memory/1488-56-0x0000000005930000-0x00000000059D0000-memory.dmp

Download

memory/1984-61-0x0000000000400000-0x0000000000476000-memory.dmp

Download

memory/1984-60-0x0000000000400000-0x0000000000476000-memory.dmp

Download

memory/1984-62-0x0000000000400000-0x0000000000476000-memory.dmp

Download

memory/1984-65-0x0000000000400000-0x0000000000476000-memory.dmp

Download

memory/1984-67-0x0000000000400000-0x0000000000476000-memory.dmp

Download

memory/1984-58-0x0000000000400000-0x0000000000476000-memory.dmp

Download

memory/1984-57-0x0000000000400000-0x0000000000476000-memory.dmp

Download

memory/1984-70-0x00000000050A5000-0x00000000050B6000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads