matiex | e46dc62cd27ec835359b0acd27569c81a59dde88db8577937774189c2f9a1e57

General

Target

DHL NOTIFICATIONS.exe
Size

1.0MB
MD5

fda57436cff1677823abcfbab88a1d00
SHA1

ee2e5385c1464a13f2c25195fc0cad3218627aba
SHA256

e46dc62cd27ec835359b0acd27569c81a59dde88db8577937774189c2f9a1e57
SHA512

c51fcd9aa2124471ca9f1a649a573f0c1c41eac32fc4307d093d546a8717896a21dfad4f4e18fc304cdaf0ebf30ea83fdfc46bef9f0a2630dd821422f3389966

Score

10^/10

matiex keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.saiimpex.com
Port:
587
Username:
[email protected]
Password:
sai789!@#

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
mail.saiimpex.com
Port:
587
Username:
[email protected]
Password:
sai789!@#

Signatures

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

Matiex Main Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1768-56-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1768-57-0x0000000000470B3E-mapping.dmp	family_matiex
behavioral1/memory/1768-59-0x0000000000400000-0x0000000000476000-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 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
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

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

Processes:

DHL NOTIFICATIONS.exe

description pid process target process

PID 1312 set thread context of 1768 1312 DHL NOTIFICATIONS.exe RegAsm.exe
Drops file in Windows directory 1 IoCs

Processes:

RegAsm.exe

description ioc process

File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

RegAsm.exe

pid process

1768 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1768 RegAsm.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

DHL NOTIFICATIONS.exeRegAsm.exe

pid process

1312 DHL NOTIFICATIONS.exe
1768 RegAsm.exe

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

description	pid	process	target process
PID 1312 set thread context of 1768	1312	DHL NOTIFICATIONS.exe	RegAsm.exe

description	ioc	process
File opened for modification	C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe	RegAsm.exe

pid	process
1768	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1768	RegAsm.exe

pid	process
1312	DHL NOTIFICATIONS.exe
1768	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

DHL NOTIFICATIONS.exeRegAsm.exe

description	pid	process	target process
PID 1312 wrote to memory of 1768	1312	DHL NOTIFICATIONS.exe	RegAsm.exe
PID 1312 wrote to memory of 1768	1312	DHL NOTIFICATIONS.exe	RegAsm.exe
PID 1312 wrote to memory of 1768	1312	DHL NOTIFICATIONS.exe	RegAsm.exe
PID 1312 wrote to memory of 1768	1312	DHL NOTIFICATIONS.exe	RegAsm.exe
PID 1312 wrote to memory of 1768	1312	DHL NOTIFICATIONS.exe	RegAsm.exe
PID 1312 wrote to memory of 1768	1312	DHL NOTIFICATIONS.exe	RegAsm.exe
PID 1312 wrote to memory of 1768	1312	DHL NOTIFICATIONS.exe	RegAsm.exe
PID 1312 wrote to memory of 1768	1312	DHL NOTIFICATIONS.exe	RegAsm.exe
PID 1312 wrote to memory of 1768	1312	DHL NOTIFICATIONS.exe	RegAsm.exe
PID 1312 wrote to memory of 1768	1312	DHL NOTIFICATIONS.exe	RegAsm.exe
PID 1312 wrote to memory of 1768	1312	DHL NOTIFICATIONS.exe	RegAsm.exe
PID 1312 wrote to memory of 1768	1312	DHL NOTIFICATIONS.exe	RegAsm.exe
PID 1768 wrote to memory of 1536	1768	RegAsm.exe	netsh.exe
PID 1768 wrote to memory of 1536	1768	RegAsm.exe	netsh.exe
PID 1768 wrote to memory of 1536	1768	RegAsm.exe	netsh.exe
PID 1768 wrote to memory of 1536	1768	RegAsm.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\DHL NOTIFICATIONS.exe
"C:\Users\Admin\AppData\Local\Temp\DHL NOTIFICATIONS.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1312

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1768

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1536

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/1536-62-0x0000000000000000-mapping.dmp

Download
memory/1768-56-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1768-57-0x0000000000470B3E-mapping.dmp

Download
memory/1768-58-0x0000000074C71000-0x0000000074C73000-memory.dmp

Filesize
8KB

Download
memory/1768-59-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1768-61-0x0000000005410000-0x0000000005411000-memory.dmp

Filesize
4KB

Download
memory/1768-64-0x0000000005415000-0x0000000005426000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads