matiex | e2e3877d5964d7b25f746929ccd4200f22901f3cfe108f2d03c11d28b4562b05

General

Target

00a9889993cc0fb8d150e7cea212e295.exe
Size

710KB
MD5

00a9889993cc0fb8d150e7cea212e295
SHA1

9da08b5a0ea95a81cbd17447055b89ccc1e3881f
SHA256

e2e3877d5964d7b25f746929ccd4200f22901f3cfe108f2d03c11d28b4562b05
SHA512

bf8d0daba3ff92ad1cf0b74c0c8554dc83cdf521493ad6d90219bb8049873c111a4563fae490fab7a7db00197bafb16a1910cd66614319b6196a9d0e9b30090b
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 1 IoCs

resource	yara_rule
behavioral2/memory/4336-137-0x0000000000400000-0x0000000000482000-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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	00a9889993cc0fb8d150e7cea212e295.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	00a9889993cc0fb8d150e7cea212e295.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	00a9889993cc0fb8d150e7cea212e295.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
5	checkip.dyndns.org
10	freegeoip.app
11	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5060 set thread context of 4336	5060	00a9889993cc0fb8d150e7cea212e295.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
308	4336	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
4692	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5060	00a9889993cc0fb8d150e7cea212e295.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4336	00a9889993cc0fb8d150e7cea212e295.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 4904	5060	00a9889993cc0fb8d150e7cea212e295.exe	83
PID 5060 wrote to memory of 4904	5060	00a9889993cc0fb8d150e7cea212e295.exe	83
PID 5060 wrote to memory of 4904	5060	00a9889993cc0fb8d150e7cea212e295.exe	83
PID 5060 wrote to memory of 4336	5060	00a9889993cc0fb8d150e7cea212e295.exe	84
PID 5060 wrote to memory of 4336	5060	00a9889993cc0fb8d150e7cea212e295.exe	84
PID 5060 wrote to memory of 4336	5060	00a9889993cc0fb8d150e7cea212e295.exe	84
PID 5060 wrote to memory of 4336	5060	00a9889993cc0fb8d150e7cea212e295.exe	84
PID 4904 wrote to memory of 4692	4904	cmd.exe	85
PID 4904 wrote to memory of 4692	4904	cmd.exe	85
PID 4904 wrote to memory of 4692	4904	cmd.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	00a9889993cc0fb8d150e7cea212e295.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	00a9889993cc0fb8d150e7cea212e295.exe

C:\Users\Admin\AppData\Local\Temp\00a9889993cc0fb8d150e7cea212e295.exe
"C:\Users\Admin\AppData\Local\Temp\00a9889993cc0fb8d150e7cea212e295.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5060
- 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:4904
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:4692
- C:\Users\Admin\AppData\Local\Temp\00a9889993cc0fb8d150e7cea212e295.exe
  "C:\Users\Admin\AppData\Local\Temp\00a9889993cc0fb8d150e7cea212e295.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4336
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 1896
    3⤵
    - Program crash
    PID:308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4336 -ip 4336
1⤵
PID:788

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
2feaac3555165aa7b76fabc3984fe19b

SHA1
76710b1b204309f4d057eba17bba71b7444f52af

SHA256
68052979b38f028b24e466114471d2d49568b83a9a7f051a82a72c5ca4e8c01c

SHA512
81cf57a2ad53f9eaf9a21799dc87e7846a1669a370e05597f58ffb87a91f8f38814375e675880a6d9cdb5bb667d47cb875e6fb471d9a9b143f81a83e6f5b6739

Download Submit
memory/4336-137-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4336-138-0x0000000005480000-0x000000000551C000-memory.dmp

Filesize
624KB

Download
memory/4336-139-0x0000000005AD0000-0x0000000006074000-memory.dmp

Filesize
5.6MB

Download
memory/4336-140-0x0000000005520000-0x0000000005586000-memory.dmp

Filesize
408KB

Download
memory/5060-135-0x00000000006FA000-0x0000000000700000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads