matiex | 3f86682b654d4b3574ea76e5f61b52e7d52ef2bb9c5f7213fb81db750448b114

General

Target

60d41052671306acf238435466b653a1.exe
Size

576KB
MD5

60d41052671306acf238435466b653a1
SHA1

1fe0bcdd0af918c6431ae90afb735b81dad8bd84
SHA256

3f86682b654d4b3574ea76e5f61b52e7d52ef2bb9c5f7213fb81db750448b114
SHA512

7fcfb5b429bb2d46c00a3b3a456eca9e8c2c3375c76abb4421c1cca53c12e3f565a3b699e29042340f47fdf79681c62f33a1c62d8dcb12af68793d053ae2f8c7
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 1 IoCs

resource	yara_rule
behavioral2/memory/2096-139-0x0000000000400000-0x0000000000482000-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-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	60d41052671306acf238435466b653a1.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	60d41052671306acf238435466b653a1.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	60d41052671306acf238435466b653a1.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	checkip.dyndns.org
13	freegeoip.app
14	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4488 set thread context of 2096	4488	60d41052671306acf238435466b653a1.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
456	2096	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
3444	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4488	60d41052671306acf238435466b653a1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2096	60d41052671306acf238435466b653a1.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 1176	4488	60d41052671306acf238435466b653a1.exe	83
PID 4488 wrote to memory of 1176	4488	60d41052671306acf238435466b653a1.exe	83
PID 4488 wrote to memory of 1176	4488	60d41052671306acf238435466b653a1.exe	83
PID 4488 wrote to memory of 2096	4488	60d41052671306acf238435466b653a1.exe	84
PID 4488 wrote to memory of 2096	4488	60d41052671306acf238435466b653a1.exe	84
PID 4488 wrote to memory of 2096	4488	60d41052671306acf238435466b653a1.exe	84
PID 1176 wrote to memory of 3444	1176	cmd.exe	85
PID 1176 wrote to memory of 3444	1176	cmd.exe	85
PID 1176 wrote to memory of 3444	1176	cmd.exe	85
PID 4488 wrote to memory of 2096	4488	60d41052671306acf238435466b653a1.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	60d41052671306acf238435466b653a1.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	60d41052671306acf238435466b653a1.exe

C:\Users\Admin\AppData\Local\Temp\60d41052671306acf238435466b653a1.exe
"C:\Users\Admin\AppData\Local\Temp\60d41052671306acf238435466b653a1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4488
- 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:1176
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:3444
- C:\Users\Admin\AppData\Local\Temp\60d41052671306acf238435466b653a1.exe
  "C:\Users\Admin\AppData\Local\Temp\60d41052671306acf238435466b653a1.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 1904
    3⤵
    - Program crash
    PID:456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2096 -ip 2096
1⤵
PID:4744

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
284af8cf030ab5d0003cf68a44204bc5

SHA1
4010bf27e5ce1177ac18fac30b5c1d6ac6a51cf5

SHA256
97024db9c8cab0b562c8dbabfd8bfc615d99af32c00fe1e81084ca2c262a43f4

SHA512
19cb855bb03da299d77bbfc28d41710c57013d7de5dcd55b70dc0af9a8799ad3472386c9375103a5bb7ccc1d51759fb188e0b3a7d96a8ab918bf341e7f6e1cd4

Download Submit
memory/2096-138-0x00000000054F0000-0x000000000558C000-memory.dmp

Filesize
624KB

Download
memory/2096-139-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2096-140-0x0000000005B40000-0x00000000060E4000-memory.dmp

Filesize
5.6MB

Download
memory/2096-141-0x0000000005600000-0x0000000005666000-memory.dmp

Filesize
408KB

Download
memory/4488-134-0x000000000133A000-0x0000000001340000-memory.dmp

Filesize
24KB

Download
memory/4488-136-0x000000000133A000-0x0000000001340000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads