matiex | f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17

Analysis

max time kernel
4294192s
max time network
139s
platform
windows7_x64
resource
win7-20220223-en
submitted
09-03-2022 14:50

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General

Target

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
Size

858KB
MD5

10fb987bae3f8513ebd149657ba542ba
SHA1

c506b003b7c8a90501be33e4d7477cd0aa50f84d
SHA256

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17
SHA512

68afde759f6f4a5ccaa44260e96a0c56b53157e58ef9a933dbcded53d0125bc198422c86f16871fc130b836e1172ddd5fbb791a3d7d46ea1d37915cdb3c595b3

Score

10^/10

matiex collection evasion keylogger spyware stealer

Malware Config

Extracted

Family

matiex

https://api.telegram.org/bot1379319539:AAFQ7f96r1-8ijh6-Hym9Weh67R1ZdDQt0g/sendMessage?chat_id=1472166686

Signatures

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

Matiex Main Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1748-63-0x0000000000400000-0x0000000000478000-memory.dmp	family_matiex
behavioral1/memory/1748-65-0x0000000000400000-0x0000000000478000-memory.dmp	family_matiex
behavioral1/memory/1748-67-0x0000000000400000-0x0000000000478000-memory.dmp	family_matiex
behavioral1/memory/1748-71-0x0000000000400000-0x0000000000478000-memory.dmp	family_matiex
behavioral1/memory/1748-69-0x0000000000400000-0x0000000000478000-memory.dmp	family_matiex

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

Drops startup file 1 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AppData.url	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
Key opened	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
Key opened	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.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

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

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

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	pid	process	target process
PID 1928 set thread context of 1748	1928	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exef63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

pid	process
1928	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
1748	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
1748	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
1748	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
1748	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
1748	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
1748	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
1748	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exef63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	pid	process
Token: SeDebugPrivilege	1928	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
Token: SeDebugPrivilege	1748	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

pid process

1748 f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

pid	process
1748	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exef63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	pid	process	target process
PID 1928 wrote to memory of 1748	1928	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 1928 wrote to memory of 1748	1928	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 1928 wrote to memory of 1748	1928	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 1928 wrote to memory of 1748	1928	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 1928 wrote to memory of 1748	1928	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 1928 wrote to memory of 1748	1928	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 1928 wrote to memory of 1748	1928	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 1928 wrote to memory of 1748	1928	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 1928 wrote to memory of 1748	1928	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 1748 wrote to memory of 1368	1748	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	netsh.exe
PID 1748 wrote to memory of 1368	1748	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	netsh.exe
PID 1748 wrote to memory of 1368	1748	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	netsh.exe
PID 1748 wrote to memory of 1368	1748	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

outlook_win_path 1 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

C:\Users\Admin\AppData\Local\Temp\f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
"C:\Users\Admin\AppData\Local\Temp\f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928

C:\Users\Admin\AppData\Local\Temp\f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
"{path}"
2⤵
- Drops startup file
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1748

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1368

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1368-74-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/1748-67-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1748-65-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1748-73-0x0000000005190000-0x0000000005191000-memory.dmp

Filesize
4KB

Download
memory/1748-72-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/1748-59-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1748-61-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1748-63-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1748-69-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1748-71-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1928-54-0x0000000000230000-0x000000000030C000-memory.dmp

Filesize
880KB

Download
memory/1928-56-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/1928-58-0x0000000008340000-0x000000000842C000-memory.dmp

Filesize
944KB

Download
memory/1928-57-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/1928-55-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download