matiex | 7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4

General

Target

bd05a2e89d0fa8fc885335bb28abf82f.exe
Size

709KB
MD5

bd05a2e89d0fa8fc885335bb28abf82f
SHA1

9d3825d8fca4c181c243aa17c5a1949faafab19d
SHA256

7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4
SHA512

d311a522de472e512f24c238ffb3072b2ba714e79e99e3e73f77b075e495c332056f179ab6aa388412b7235566c18afb6b015c475d4e8b30f8e1783d3cb70913
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/5084-138-0x0000000000400000-0x0000000000482000-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-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bd05a2e89d0fa8fc885335bb28abf82f.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bd05a2e89d0fa8fc885335bb28abf82f.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bd05a2e89d0fa8fc885335bb28abf82f.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
14	freegeoip.app
15	freegeoip.app
11	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 440 set thread context of 5084	440	bd05a2e89d0fa8fc885335bb28abf82f.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4796	5084	WerFault.exe	83

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
3768	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
440	bd05a2e89d0fa8fc885335bb28abf82f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5084	bd05a2e89d0fa8fc885335bb28abf82f.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 440 wrote to memory of 4284	440	bd05a2e89d0fa8fc885335bb28abf82f.exe	82
PID 440 wrote to memory of 4284	440	bd05a2e89d0fa8fc885335bb28abf82f.exe	82
PID 440 wrote to memory of 4284	440	bd05a2e89d0fa8fc885335bb28abf82f.exe	82
PID 440 wrote to memory of 5084	440	bd05a2e89d0fa8fc885335bb28abf82f.exe	83
PID 440 wrote to memory of 5084	440	bd05a2e89d0fa8fc885335bb28abf82f.exe	83
PID 440 wrote to memory of 5084	440	bd05a2e89d0fa8fc885335bb28abf82f.exe	83
PID 440 wrote to memory of 5084	440	bd05a2e89d0fa8fc885335bb28abf82f.exe	83
PID 4284 wrote to memory of 3768	4284	cmd.exe	84
PID 4284 wrote to memory of 3768	4284	cmd.exe	84
PID 4284 wrote to memory of 3768	4284	cmd.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bd05a2e89d0fa8fc885335bb28abf82f.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bd05a2e89d0fa8fc885335bb28abf82f.exe

C:\Users\Admin\AppData\Local\Temp\bd05a2e89d0fa8fc885335bb28abf82f.exe
"C:\Users\Admin\AppData\Local\Temp\bd05a2e89d0fa8fc885335bb28abf82f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:440
- 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:4284
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:3768
- C:\Users\Admin\AppData\Local\Temp\bd05a2e89d0fa8fc885335bb28abf82f.exe
  "C:\Users\Admin\AppData\Local\Temp\bd05a2e89d0fa8fc885335bb28abf82f.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:5084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 1904
    3⤵
    - Program crash
    PID:4796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 5084 -ip 5084
1⤵
PID:2200

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
e93833a5dc811722d20e043ecd456098

SHA1
0b3219317882da8cd167b9129384d11d9f08e482

SHA256
4e6246a2b91980f9c86b85ec9941875fe41bdb8c13ef7f189ee4560fa8a8e189

SHA512
c69144a3aa4a52cf888c206d85d41db7aeca5348b186d45cf027b7a364145e870bced07595f84002f7f36dceed3bfc2a85848113be1c5b1e72240979b019c1b5

Download Submit
memory/440-134-0x00000000008FA000-0x0000000000900000-memory.dmp

Filesize
24KB

Download
memory/440-135-0x00000000008FA000-0x0000000000900000-memory.dmp

Filesize
24KB

Download
memory/5084-138-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/5084-139-0x00000000055D0000-0x000000000566C000-memory.dmp

Filesize
624KB

Download
memory/5084-140-0x0000000005C20000-0x00000000061C4000-memory.dmp

Filesize
5.6MB

Download
memory/5084-141-0x00000000056E0000-0x0000000005746000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads