matiex | 060a619222ca31fb3ddc58c9f0faa45e05016d13cd9c32709d55ce5f40e4c621

General

Target

74708639af3add94f159cc14c291f4e1.exe
Size

640KB
MD5

74708639af3add94f159cc14c291f4e1
SHA1

d988103baf9e95b1b129b6226ca587389ec4bfe6
SHA256

060a619222ca31fb3ddc58c9f0faa45e05016d13cd9c32709d55ce5f40e4c621
SHA512

9434f5eaec1944741f3940f0d666d2b41959269aac5ea10338004ee06c7405c010140a229479474b85ce4c50b44d086081beca2c577b775124322e10478a63b9
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 1 IoCs

resource	yara_rule
behavioral2/memory/1992-138-0x0000000000400000-0x0000000000482000-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-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	74708639af3add94f159cc14c291f4e1.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	74708639af3add94f159cc14c291f4e1.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	74708639af3add94f159cc14c291f4e1.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
9	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3776 set thread context of 1992	3776	74708639af3add94f159cc14c291f4e1.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3112	1992	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
2476	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3776	74708639af3add94f159cc14c291f4e1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1992	74708639af3add94f159cc14c291f4e1.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3776 wrote to memory of 4068	3776	74708639af3add94f159cc14c291f4e1.exe	83
PID 3776 wrote to memory of 4068	3776	74708639af3add94f159cc14c291f4e1.exe	83
PID 3776 wrote to memory of 4068	3776	74708639af3add94f159cc14c291f4e1.exe	83
PID 3776 wrote to memory of 1992	3776	74708639af3add94f159cc14c291f4e1.exe	84
PID 3776 wrote to memory of 1992	3776	74708639af3add94f159cc14c291f4e1.exe	84
PID 3776 wrote to memory of 1992	3776	74708639af3add94f159cc14c291f4e1.exe	84
PID 3776 wrote to memory of 1992	3776	74708639af3add94f159cc14c291f4e1.exe	84
PID 4068 wrote to memory of 2476	4068	cmd.exe	85
PID 4068 wrote to memory of 2476	4068	cmd.exe	85
PID 4068 wrote to memory of 2476	4068	cmd.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	74708639af3add94f159cc14c291f4e1.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	74708639af3add94f159cc14c291f4e1.exe

C:\Users\Admin\AppData\Local\Temp\74708639af3add94f159cc14c291f4e1.exe
"C:\Users\Admin\AppData\Local\Temp\74708639af3add94f159cc14c291f4e1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3776
- 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:4068
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:2476
- C:\Users\Admin\AppData\Local\Temp\74708639af3add94f159cc14c291f4e1.exe
  "C:\Users\Admin\AppData\Local\Temp\74708639af3add94f159cc14c291f4e1.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 1564
    3⤵
    - Program crash
    PID:3112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1992 -ip 1992
1⤵
PID:3124

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
55dde6d4d97c64cba35b6d2c78a6508c

SHA1
673a780e4cc091904388404eae441cad1f55366f

SHA256
708bb85d40fd6c5d3b70c6c6c36a13f03a16d4accedecf5acee6da60a1afead5

SHA512
582adf57f1195087aee4e2d50281a3444d2b85930340a441a0a829e2f6aefa41acce5dbf9d05ab43c0395018d859f22e084ac8a1ae6ffd2a9154b8884c4223ab

Download Submit
memory/1992-138-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1992-139-0x0000000005AA0000-0x0000000005B3C000-memory.dmp

Filesize
624KB

Download
memory/1992-140-0x00000000060F0000-0x0000000006694000-memory.dmp

Filesize
5.6MB

Download
memory/1992-141-0x0000000005BB0000-0x0000000005C16000-memory.dmp

Filesize
408KB

Download
memory/3776-132-0x000000000073A000-0x0000000000740000-memory.dmp

Filesize
24KB

Download
memory/3776-136-0x000000000073A000-0x0000000000740000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads