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

Processes:

resource	yara_rule
behavioral2/memory/1076-137-0x0000000000400000-0x0000000000482000-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

Processes:

74708639af3add94f159cc14c291f4e1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	74708639af3add94f159cc14c291f4e1.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	74708639af3add94f159cc14c291f4e1.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\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.

Processes:

flow ioc

7 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

74708639af3add94f159cc14c291f4e1.exe

description pid process target process

PID 5004 set thread context of 1076 5004 74708639af3add94f159cc14c291f4e1.exe 74708639af3add94f159cc14c291f4e1.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1564 1076 WerFault.exe 74708639af3add94f159cc14c291f4e1.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

Processes:

schtasks.exe

pid process

2724 schtasks.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

74708639af3add94f159cc14c291f4e1.exe

pid process

5004 74708639af3add94f159cc14c291f4e1.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

74708639af3add94f159cc14c291f4e1.exe

description pid process

Token: SeDebugPrivilege 1076 74708639af3add94f159cc14c291f4e1.exe

flow	ioc
7	checkip.dyndns.org

description	pid	process	target process
PID 5004 set thread context of 1076	5004	74708639af3add94f159cc14c291f4e1.exe	74708639af3add94f159cc14c291f4e1.exe

pid	pid_target	process	target process
1564	1076	WerFault.exe	74708639af3add94f159cc14c291f4e1.exe

pid	process
2724	schtasks.exe

pid	process
5004	74708639af3add94f159cc14c291f4e1.exe

description	pid	process
Token: SeDebugPrivilege	1076	74708639af3add94f159cc14c291f4e1.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

74708639af3add94f159cc14c291f4e1.execmd.exe

description	pid	process	target process
PID 5004 wrote to memory of 2008	5004	74708639af3add94f159cc14c291f4e1.exe	cmd.exe
PID 5004 wrote to memory of 2008	5004	74708639af3add94f159cc14c291f4e1.exe	cmd.exe
PID 5004 wrote to memory of 2008	5004	74708639af3add94f159cc14c291f4e1.exe	cmd.exe
PID 5004 wrote to memory of 1076	5004	74708639af3add94f159cc14c291f4e1.exe	74708639af3add94f159cc14c291f4e1.exe
PID 5004 wrote to memory of 1076	5004	74708639af3add94f159cc14c291f4e1.exe	74708639af3add94f159cc14c291f4e1.exe
PID 5004 wrote to memory of 1076	5004	74708639af3add94f159cc14c291f4e1.exe	74708639af3add94f159cc14c291f4e1.exe
PID 5004 wrote to memory of 1076	5004	74708639af3add94f159cc14c291f4e1.exe	74708639af3add94f159cc14c291f4e1.exe
PID 2008 wrote to memory of 2724	2008	cmd.exe	schtasks.exe
PID 2008 wrote to memory of 2724	2008	cmd.exe	schtasks.exe
PID 2008 wrote to memory of 2724	2008	cmd.exe	schtasks.exe

outlook_office_path 1 IoCs

Processes:

74708639af3add94f159cc14c291f4e1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	74708639af3add94f159cc14c291f4e1.exe

outlook_win_path 1 IoCs

Processes:

74708639af3add94f159cc14c291f4e1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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:5004

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:2008

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
3⤵
- Creates scheduled task(s)
PID:2724

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:1076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1076 -s 1572
3⤵
- Program crash
PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1076 -ip 1076
1⤵
PID:2948

Network

MITRE ATT&CK Matrix ATT&CK 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

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml
Filesize
1KB

MD5
6f269664e2d85ef4751b06251480c64d

SHA1
c6603dd2f40b166d3b0f1999ef0b7693ed0863b4

SHA256
cd7ea4acd44e3ffe110c32a42e1d8eab056e368b709767c7a176b68076bf3a1d

SHA512
c1feaead096bc2644098e659d881501a6ff40880acc6c25339776152ed5e4baad132dd69c12849a413d5f973a592c2e0c5fe6fd585813bdf9a8ec7b1d49c2962

Download Submit
memory/1076-133-0x0000000000000000-mapping.dmp

Download
memory/1076-137-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1076-138-0x0000000005190000-0x000000000522C000-memory.dmp

Filesize
624KB

Download
memory/1076-139-0x00000000057E0000-0x0000000005D84000-memory.dmp

Filesize
5.6MB

Download
memory/1076-140-0x00000000052A0000-0x0000000005306000-memory.dmp

Filesize
408KB

Download
memory/2008-132-0x0000000000000000-mapping.dmp

Download
memory/2724-135-0x0000000000000000-mapping.dmp

Download
memory/5004-134-0x00000000010FA000-0x0000000001100000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads