matiex | c1f48df6bc08fbcc1d87a604d3b71d8db009e1d86d845a86363942b48f51880a

General

Target

be5b21387901bb069615fd1b4ed206c5.exe
Size

640KB
MD5

be5b21387901bb069615fd1b4ed206c5
SHA1

1b165159320a2383b3660897f8d22f69d38ff445
SHA256

c1f48df6bc08fbcc1d87a604d3b71d8db009e1d86d845a86363942b48f51880a
SHA512

eb1084ddd5d6b7edc3e9fbd78585122ed998de3e4aa0ea9127896e352a543d6fd81182f50aec79e1a750615512e8b2709811684f6ade950113dd39eb6d8fd8f1
SSDEEP

12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZoCzZW:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pcQ

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/1696-60-0x0000000000400000-0x0000000000482000-memory.dmp	family_matiex
behavioral1/memory/1696-61-0x0000000000530000-0x00000000005A2000-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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	be5b21387901bb069615fd1b4ed206c5.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	be5b21387901bb069615fd1b4ed206c5.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	be5b21387901bb069615fd1b4ed206c5.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
3	checkip.dyndns.org
7	freegeoip.app
8	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1488 set thread context of 1696	1488	be5b21387901bb069615fd1b4ed206c5.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
384	1696	WerFault.exe	30

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
940	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1488	be5b21387901bb069615fd1b4ed206c5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1696	be5b21387901bb069615fd1b4ed206c5.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 1884	1488	be5b21387901bb069615fd1b4ed206c5.exe	29
PID 1488 wrote to memory of 1884	1488	be5b21387901bb069615fd1b4ed206c5.exe	29
PID 1488 wrote to memory of 1884	1488	be5b21387901bb069615fd1b4ed206c5.exe	29
PID 1488 wrote to memory of 1884	1488	be5b21387901bb069615fd1b4ed206c5.exe	29
PID 1488 wrote to memory of 1696	1488	be5b21387901bb069615fd1b4ed206c5.exe	30
PID 1488 wrote to memory of 1696	1488	be5b21387901bb069615fd1b4ed206c5.exe	30
PID 1488 wrote to memory of 1696	1488	be5b21387901bb069615fd1b4ed206c5.exe	30
PID 1488 wrote to memory of 1696	1488	be5b21387901bb069615fd1b4ed206c5.exe	30
PID 1488 wrote to memory of 1696	1488	be5b21387901bb069615fd1b4ed206c5.exe	30
PID 1884 wrote to memory of 940	1884	cmd.exe	31
PID 1884 wrote to memory of 940	1884	cmd.exe	31
PID 1884 wrote to memory of 940	1884	cmd.exe	31
PID 1884 wrote to memory of 940	1884	cmd.exe	31
PID 1696 wrote to memory of 384	1696	be5b21387901bb069615fd1b4ed206c5.exe	33
PID 1696 wrote to memory of 384	1696	be5b21387901bb069615fd1b4ed206c5.exe	33
PID 1696 wrote to memory of 384	1696	be5b21387901bb069615fd1b4ed206c5.exe	33
PID 1696 wrote to memory of 384	1696	be5b21387901bb069615fd1b4ed206c5.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	be5b21387901bb069615fd1b4ed206c5.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	be5b21387901bb069615fd1b4ed206c5.exe

C:\Users\Admin\AppData\Local\Temp\be5b21387901bb069615fd1b4ed206c5.exe
"C:\Users\Admin\AppData\Local\Temp\be5b21387901bb069615fd1b4ed206c5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1488
- 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:1884
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:940
- C:\Users\Admin\AppData\Local\Temp\be5b21387901bb069615fd1b4ed206c5.exe
  "C:\Users\Admin\AppData\Local\Temp\be5b21387901bb069615fd1b4ed206c5.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 1644
    3⤵
    - Program crash
    PID:384

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
d5bd64d2ac9ae40cfab7c76d8122a152

SHA1
622d2876fb0aaad2e41459d01aad6d67b21aca84

SHA256
1dbff8e235fa9910e2ff5e484ffe044453f7facadf89890852610b299aa75f29

SHA512
58c62c6c95803daa779112da7d41885b3a11ab8cb1f5f381e45d7203adf03d91b4475c7be9cb1359e1b73688e6f7b0d577a7a9d557495151a7ba79c2958a00bf

Download Submit
memory/1488-58-0x00000000003EA000-0x00000000003F0000-memory.dmp

Filesize
24KB

Download
memory/1696-57-0x0000000074AB1000-0x0000000074AB3000-memory.dmp

Filesize
8KB

Download
memory/1696-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1696-61-0x0000000000530000-0x00000000005A2000-memory.dmp

Filesize
456KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads