matiex | afe6c35494e440d20664ac7131d5218e4bb5ffc71730940af7a68bfd078c1dc0

General

Target

b43830bee32daf10983121b05b3c35bf.exe
Size

576KB
MD5

b43830bee32daf10983121b05b3c35bf
SHA1

d00b42c00ed3915834d41a3bb122b516a748c60f
SHA256

afe6c35494e440d20664ac7131d5218e4bb5ffc71730940af7a68bfd078c1dc0
SHA512

a50bb4c602d2e254d92e6ceeed8caed9f6c76f0b4be78dd349e82fa11d01b862f9679d8c2f6b93c87f043a67874ee77798172535d0806ac4171fb5737337d74b
SSDEEP

12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZo:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pc5

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
srvc13.turhost.com
Port:
587
Username:
info@bilgitekdagitim.com
Password:
italik2015

Signatures

Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
stealer keylogger matiex

Matiex Main payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/844-60-0x0000000001F30000-0x0000000001FA2000-memory.dmp	family_matiex
behavioral1/memory/844-61-0x0000000000400000-0x0000000000482000-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:

b43830bee32daf10983121b05b3c35bf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b43830bee32daf10983121b05b3c35bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b43830bee32daf10983121b05b3c35bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b43830bee32daf10983121b05b3c35bf.exe

Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 checkip.dyndns.org
4 checkip.dyndns.org
8 freegeoip.app
9 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

b43830bee32daf10983121b05b3c35bf.exe

description pid process target process

PID 1500 set thread context of 844 1500 b43830bee32daf10983121b05b3c35bf.exe b43830bee32daf10983121b05b3c35bf.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1788 844 WerFault.exe b43830bee32daf10983121b05b3c35bf.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

460 schtasks.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

b43830bee32daf10983121b05b3c35bf.exe

pid process

1500 b43830bee32daf10983121b05b3c35bf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b43830bee32daf10983121b05b3c35bf.exe

description pid process

Token: SeDebugPrivilege 844 b43830bee32daf10983121b05b3c35bf.exe

flow	ioc
3	checkip.dyndns.org
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app

description	pid	process	target process
PID 1500 set thread context of 844	1500	b43830bee32daf10983121b05b3c35bf.exe	b43830bee32daf10983121b05b3c35bf.exe

pid	pid_target	process	target process
1788	844	WerFault.exe	b43830bee32daf10983121b05b3c35bf.exe

pid	process
460	schtasks.exe

pid	process
1500	b43830bee32daf10983121b05b3c35bf.exe

description	pid	process
Token: SeDebugPrivilege	844	b43830bee32daf10983121b05b3c35bf.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

b43830bee32daf10983121b05b3c35bf.execmd.exeb43830bee32daf10983121b05b3c35bf.exe

description	pid	process	target process
PID 1500 wrote to memory of 1088	1500	b43830bee32daf10983121b05b3c35bf.exe	cmd.exe
PID 1500 wrote to memory of 1088	1500	b43830bee32daf10983121b05b3c35bf.exe	cmd.exe
PID 1500 wrote to memory of 1088	1500	b43830bee32daf10983121b05b3c35bf.exe	cmd.exe
PID 1500 wrote to memory of 1088	1500	b43830bee32daf10983121b05b3c35bf.exe	cmd.exe
PID 1500 wrote to memory of 844	1500	b43830bee32daf10983121b05b3c35bf.exe	b43830bee32daf10983121b05b3c35bf.exe
PID 1500 wrote to memory of 844	1500	b43830bee32daf10983121b05b3c35bf.exe	b43830bee32daf10983121b05b3c35bf.exe
PID 1500 wrote to memory of 844	1500	b43830bee32daf10983121b05b3c35bf.exe	b43830bee32daf10983121b05b3c35bf.exe
PID 1500 wrote to memory of 844	1500	b43830bee32daf10983121b05b3c35bf.exe	b43830bee32daf10983121b05b3c35bf.exe
PID 1500 wrote to memory of 844	1500	b43830bee32daf10983121b05b3c35bf.exe	b43830bee32daf10983121b05b3c35bf.exe
PID 1088 wrote to memory of 460	1088	cmd.exe	schtasks.exe
PID 1088 wrote to memory of 460	1088	cmd.exe	schtasks.exe
PID 1088 wrote to memory of 460	1088	cmd.exe	schtasks.exe
PID 1088 wrote to memory of 460	1088	cmd.exe	schtasks.exe
PID 844 wrote to memory of 1788	844	b43830bee32daf10983121b05b3c35bf.exe	WerFault.exe
PID 844 wrote to memory of 1788	844	b43830bee32daf10983121b05b3c35bf.exe	WerFault.exe
PID 844 wrote to memory of 1788	844	b43830bee32daf10983121b05b3c35bf.exe	WerFault.exe
PID 844 wrote to memory of 1788	844	b43830bee32daf10983121b05b3c35bf.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

b43830bee32daf10983121b05b3c35bf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b43830bee32daf10983121b05b3c35bf.exe

outlook_win_path 1 IoCs

Processes:

b43830bee32daf10983121b05b3c35bf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b43830bee32daf10983121b05b3c35bf.exe

C:\Users\Admin\AppData\Local\Temp\b43830bee32daf10983121b05b3c35bf.exe
"C:\Users\Admin\AppData\Local\Temp\b43830bee32daf10983121b05b3c35bf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1500

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:1088

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
3⤵
- Creates scheduled task(s)
PID:460

C:\Users\Admin\AppData\Local\Temp\b43830bee32daf10983121b05b3c35bf.exe
"C:\Users\Admin\AppData\Local\Temp\b43830bee32daf10983121b05b3c35bf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 1648
3⤵
- Program crash
PID:1788

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
7086cb83fbe8f9c4859464704db9558e

SHA1
2dd0fea86eac7715ef0b46dab4cc259e240ec224

SHA256
eb8504ac30a92943ecb81b6496f5565c5a3fe28daa110bfa48f2db1cb626ae02

SHA512
9209ffbcaaeb6ff18d6996f474a2842d362efbe78f1761941674c7176fd7c0ea9aa9af575b3f011d4c1b183dee9a30ab1214bf1f75f9bb695a796ea8cddf04a6

Download Submit
memory/460-58-0x0000000000000000-mapping.dmp

Download
memory/844-55-0x000000000040188B-mapping.dmp

Download
memory/844-56-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

Download
memory/844-60-0x0000000001F30000-0x0000000001FA2000-memory.dmp

Filesize
456KB

Download
memory/844-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1088-54-0x0000000000000000-mapping.dmp

Download
memory/1500-57-0x000000000044A000-0x0000000000450000-memory.dmp

Filesize
24KB

Download
memory/1788-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads