matiex | 3a7ae325d4b2f51c077ffb90848d9febbe9ffa2433cefbdb17218524b59780eb

General

Target

7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.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/4952-141-0x0000000000400000-0x0000000000482000-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	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.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
2	checkip.dyndns.org
4	freegeoip.app
5	freegeoip.app

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{70B63680-73E1-4D7B-B1D0-99E508E8D3DD}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{3292219C-A2DB-4CC4-98F8-EEA566D7111C}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4544 set thread context of 4952	4544	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3200	4952	WerFault.exe	80

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

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
4424	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4904	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe
4544	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4952	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 3036	4904	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	76
PID 4904 wrote to memory of 3036	4904	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	76
PID 4904 wrote to memory of 3036	4904	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	76
PID 4904 wrote to memory of 1996	4904	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	77
PID 4904 wrote to memory of 1996	4904	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	77
PID 4904 wrote to memory of 1996	4904	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	77
PID 4904 wrote to memory of 4544	4904	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	78
PID 4904 wrote to memory of 4544	4904	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	78
PID 4904 wrote to memory of 4544	4904	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	78
PID 3036 wrote to memory of 4424	3036	cmd.exe	79
PID 3036 wrote to memory of 4424	3036	cmd.exe	79
PID 3036 wrote to memory of 4424	3036	cmd.exe	79
PID 4544 wrote to memory of 4952	4544	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	80
PID 4544 wrote to memory of 4952	4544	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	80
PID 4544 wrote to memory of 4952	4544	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	80
PID 4544 wrote to memory of 4952	4544	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe	80

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	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.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	7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe

C:\Users\Admin\AppData\Local\Temp\7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe
"C:\Users\Admin\AppData\Local\Temp\7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe"
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4904
- 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:3036
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:4424
- C:\Users\Admin\AppData\Local\Temp\7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe
  "C:\Users\Admin\AppData\Local\Temp\7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe"
  2⤵
  PID:1996
- C:\Users\Admin\AppData\Local\Temp\7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe
  "C:\Users\Admin\AppData\Local\Temp\7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4544
- - C:\Users\Admin\AppData\Local\Temp\7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe
    "C:\Users\Admin\AppData\Local\Temp\7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:4952
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 1900
      4⤵
      Program crash
      PID:3200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4952 -ip 4952
1⤵
PID:5040

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4920

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

Query Registry

2

T1012

System Information Discovery

2

T1082

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/4544-139-0x00000000012FB000-0x0000000001300000-memory.dmp

Filesize
20KB

Download
memory/4904-135-0x0000000000EFA000-0x0000000000F00000-memory.dmp

Filesize
24KB

Download
memory/4904-137-0x0000000000EFA000-0x0000000000F00000-memory.dmp

Filesize
24KB

Download
memory/4952-141-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4952-142-0x0000000005930000-0x00000000059CC000-memory.dmp

Filesize
624KB

Download
memory/4952-143-0x0000000005F80000-0x0000000006524000-memory.dmp

Filesize
5.6MB

Download
memory/4952-144-0x0000000005A40000-0x0000000005AA6000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads