matiex | 91700fbcb5e9f728358d7b5fd2125bd9afa72ccf31b4cf4731090feda90868a3

Analysis

max time kernel
30s
max time network
90s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
26-12-2022 04:14

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General

Target

1528-60-0x0000000000F90000-0x0000000001002000-memory.exe
Size

456KB
MD5

c6f80a699274d3334e79528a0b490a4b
SHA1

3b7f71bd66e0d40282c9b9115c2c7c8632918dbd
SHA256

91700fbcb5e9f728358d7b5fd2125bd9afa72ccf31b4cf4731090feda90868a3
SHA512

c871dd4c6df108ef90576468fca010a4242267699f45d35f3559248159f95ff98c3ee309dfa509789212a7fd359784e707ab2eea66735f2aab62311f9c145422
SSDEEP

3072:cospLgw9EjmJQjB/ESqyS80CEZuK7+SPtqhI7MxMRZ0aTNMY:cXL9Ejmuj9ESFhg+S8IAsZ0ah

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 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1344-54-0x00000000009C0000-0x0000000000A32000-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:

1528-60-0x0000000000F90000-0x0000000001002000-memory.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1528-60-0x0000000000F90000-0x0000000001002000-memory.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1528-60-0x0000000000F90000-0x0000000001002000-memory.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1528-60-0x0000000000F90000-0x0000000001002000-memory.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

3 checkip.dyndns.org
7 freegeoip.app
8 freegeoip.app
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2000 1344 WerFault.exe 1528-60-0x0000000000F90000-0x0000000001002000-memory.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1528-60-0x0000000000F90000-0x0000000001002000-memory.exe

description pid process

Token: SeDebugPrivilege 1344 1528-60-0x0000000000F90000-0x0000000001002000-memory.exe

flow	ioc
3	checkip.dyndns.org
7	freegeoip.app
8	freegeoip.app

pid	pid_target	process	target process
2000	1344	WerFault.exe	1528-60-0x0000000000F90000-0x0000000001002000-memory.exe

description	pid	process
Token: SeDebugPrivilege	1344	1528-60-0x0000000000F90000-0x0000000001002000-memory.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1528-60-0x0000000000F90000-0x0000000001002000-memory.exe

description	pid	process	target process
PID 1344 wrote to memory of 2000	1344	1528-60-0x0000000000F90000-0x0000000001002000-memory.exe	WerFault.exe
PID 1344 wrote to memory of 2000	1344	1528-60-0x0000000000F90000-0x0000000001002000-memory.exe	WerFault.exe
PID 1344 wrote to memory of 2000	1344	1528-60-0x0000000000F90000-0x0000000001002000-memory.exe	WerFault.exe
PID 1344 wrote to memory of 2000	1344	1528-60-0x0000000000F90000-0x0000000001002000-memory.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

1528-60-0x0000000000F90000-0x0000000001002000-memory.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1528-60-0x0000000000F90000-0x0000000001002000-memory.exe

outlook_win_path 1 IoCs

Processes:

1528-60-0x0000000000F90000-0x0000000001002000-memory.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1528-60-0x0000000000F90000-0x0000000001002000-memory.exe

C:\Users\Admin\AppData\Local\Temp\1528-60-0x0000000000F90000-0x0000000001002000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1528-60-0x0000000000F90000-0x0000000001002000-memory.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1836
2⤵
- Program crash
PID:2000

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1344-54-0x00000000009C0000-0x0000000000A32000-memory.dmp

Filesize
456KB

Download
memory/1344-55-0x0000000076391000-0x0000000076393000-memory.dmp

Filesize
8KB

Download
memory/2000-56-0x0000000000000000-mapping.dmp

Download