matiex | 0ee6256edbcb97ace761a15d86ce3e3adc080364f752473dd941339060a4e4b2

General

Target

Quotation 7339.exe
Size

3.6MB
MD5

830dcd49c9b23bf35d7d8bc6caf099a8
SHA1

8faecce6b954965528969fc946e7650865dbd763
SHA256

0ee6256edbcb97ace761a15d86ce3e3adc080364f752473dd941339060a4e4b2
SHA512

d7f7ac208933fb7a7aa65524bc4c37c983b7b01e1b1b112f0b83749b9bbc915d1678add8fcce77279a8859c496d690a879a84d525f9e987170479566ba8d8ea5

Score

10^/10

matiex keylogger persistence spyware stealer

Malware Config

Extracted

Credentials

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

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
behavioral2/memory/2652-9-0x000000000047023E-mapping.dmp	family_matiex
behavioral2/memory/2652-8-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

Quotation 7339.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Quotation 7339.exe\""	Quotation 7339.exe

Drops startup file 2 IoCs

Processes:

Quotation 7339.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Quotation 7339.exe	Quotation 7339.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Quotation 7339.exe	Quotation 7339.exe

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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Quotation 7339.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Quotation 7339.exe"	Quotation 7339.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\Quotation 7339.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Quotation 7339.exe"	Quotation 7339.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.

Processes:

flow ioc

9 checkip.dyndns.org
12 freegeoip.app
13 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

Quotation 7339.exe

description pid process target process

PID 4092 set thread context of 2652 4092 Quotation 7339.exe Quotation 7339.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Quotation 7339.exe

pid process

2652 Quotation 7339.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Quotation 7339.exe

description pid process

Token: SeDebugPrivilege 2652 Quotation 7339.exe

flow	ioc
9	checkip.dyndns.org
12	freegeoip.app
13	freegeoip.app

description	pid	process	target process
PID 4092 set thread context of 2652	4092	Quotation 7339.exe	Quotation 7339.exe

pid	process
2652	Quotation 7339.exe

description	pid	process
Token: SeDebugPrivilege	2652	Quotation 7339.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Quotation 7339.exeQuotation 7339.exe

description	pid	process	target process
PID 4092 wrote to memory of 2652	4092	Quotation 7339.exe	Quotation 7339.exe
PID 4092 wrote to memory of 2652	4092	Quotation 7339.exe	Quotation 7339.exe
PID 4092 wrote to memory of 2652	4092	Quotation 7339.exe	Quotation 7339.exe
PID 4092 wrote to memory of 2652	4092	Quotation 7339.exe	Quotation 7339.exe
PID 4092 wrote to memory of 2652	4092	Quotation 7339.exe	Quotation 7339.exe
PID 4092 wrote to memory of 2652	4092	Quotation 7339.exe	Quotation 7339.exe
PID 4092 wrote to memory of 2652	4092	Quotation 7339.exe	Quotation 7339.exe
PID 4092 wrote to memory of 2652	4092	Quotation 7339.exe	Quotation 7339.exe
PID 2652 wrote to memory of 2092	2652	Quotation 7339.exe	netsh.exe
PID 2652 wrote to memory of 2092	2652	Quotation 7339.exe	netsh.exe
PID 2652 wrote to memory of 2092	2652	Quotation 7339.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Quotation 7339.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation 7339.exe"
1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4092

C:\Users\Admin\AppData\Local\Temp\Quotation 7339.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation 7339.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:2092

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Quotation 7339.exe.log
MD5
c0ad7b531cb050d170ceb51110be64db

SHA1
1fc4ff77fe0838a1fec8723139c25d5708ed8c0b

SHA256
2212589a88f2f3fa5c7127e548ea493b3ab2927e2417b54928ec82e3a42a424c

SHA512
148ecaa1ee3259ab2ec63abb28af5daad10534bd48e9afec2984d343c8f9c361f8caed04b32bb0de85d41e3329935e6d100d5036e33bc8fadcda1f7dd1bde436

Download Submit
memory/2092-17-0x0000000000000000-mapping.dmp

Download
memory/2652-16-0x0000000005550000-0x0000000005551000-memory.dmp

Filesize
4KB

Download
memory/2652-9-0x000000000047023E-mapping.dmp

Download
memory/2652-8-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2652-11-0x00000000739B0000-0x000000007409E000-memory.dmp

Filesize
6.9MB

Download
memory/2652-18-0x0000000006BE0000-0x0000000006BE1000-memory.dmp

Filesize
4KB

Download
memory/2652-19-0x0000000006DB0000-0x0000000006DB1000-memory.dmp

Filesize
4KB

Download
memory/2652-20-0x0000000006BD0000-0x0000000006BD1000-memory.dmp

Filesize
4KB

Download
memory/4092-6-0x0000000002AA0000-0x0000000002B23000-memory.dmp

Filesize
524KB

Download
memory/4092-7-0x0000000005600000-0x0000000005601000-memory.dmp

Filesize
4KB

Download
memory/4092-5-0x0000000004E90000-0x0000000004E91000-memory.dmp

Filesize
4KB

Download
memory/4092-2-0x00000000739A0000-0x000000007408E000-memory.dmp

Filesize
6.9MB

Download
memory/4092-3-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads