matiex | bc64ddf551da94841af6b93a14a69de12ddeae5ba720fea5c4bf8ff95a14ada1

General

Target

Payment CoPY.scr
Size

1.0MB
MD5

5687fc521f3ccd7d3176d9ed2daef426
SHA1

34c91e6ddf19a70417c0c140de3ec159873becc4
SHA256

bc64ddf551da94841af6b93a14a69de12ddeae5ba720fea5c4bf8ff95a14ada1
SHA512

4e3a384df767ec9235d856eeec03ac6746eabd098fc0b7b66708a4b233591a8814187f0815fb4192295793aab5d484e66b85a72fc85462fa2006cc7f3f620024

Score

10^/10

matiex evasion keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.manmodesign-trade.com
Port:
21
Username:
try@manmodesign-trade.com
Password:
MMother189

Extracted

Family

matiex

Credentials

Protocol: ftp
Host:
ftp://ftp.manmodesign-trade.com/
Port:
21
Username:
try@manmodesign-trade.com
Password:
MMother189

Signatures

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

Matiex Main Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/432-9-0x0000000000400000-0x0000000000478000-memory.dmp	family_matiex
behavioral1/memory/432-11-0x0000000000400000-0x0000000000478000-memory.dmp	family_matiex
behavioral1/memory/432-10-0x000000000047218E-mapping.dmp	family_matiex
behavioral1/memory/432-12-0x0000000000400000-0x0000000000478000-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:

Payment CoPY.scr

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Payment CoPY.scr
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Payment CoPY.scr

Drops startup file 1 IoCs

Processes:

Payment CoPY.scr

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Appdata.url Payment CoPY.scr
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

11 freegeoip.app
5 checkip.dyndns.org
10 freegeoip.app

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

flow	ioc
11	freegeoip.app
5	checkip.dyndns.org
10	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:

Payment CoPY.scr

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Payment CoPY.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Payment CoPY.scr

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment CoPY.scr

description pid process target process

PID 1924 set thread context of 432 1924 Payment CoPY.scr Payment CoPY.scr
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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

1260 schtasks.exe

description	pid	process	target process
PID 1924 set thread context of 432	1924	Payment CoPY.scr	Payment CoPY.scr

pid	process
1260	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Payment CoPY.scrPayment CoPY.scr

pid	process
1924	Payment CoPY.scr
432	Payment CoPY.scr
432	Payment CoPY.scr
432	Payment CoPY.scr
432	Payment CoPY.scr
432	Payment CoPY.scr
432	Payment CoPY.scr
432	Payment CoPY.scr

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment CoPY.scrPayment CoPY.scr

description pid process

Token: SeDebugPrivilege 1924 Payment CoPY.scr
Token: SeDebugPrivilege 432 Payment CoPY.scr
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Payment CoPY.scr

pid process

432 Payment CoPY.scr

description	pid	process
Token: SeDebugPrivilege	1924	Payment CoPY.scr
Token: SeDebugPrivilege	432	Payment CoPY.scr

pid	process
432	Payment CoPY.scr

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Payment CoPY.scrPayment CoPY.scr

description	pid	process	target process
PID 1924 wrote to memory of 1260	1924	Payment CoPY.scr	schtasks.exe
PID 1924 wrote to memory of 1260	1924	Payment CoPY.scr	schtasks.exe
PID 1924 wrote to memory of 1260	1924	Payment CoPY.scr	schtasks.exe
PID 1924 wrote to memory of 1260	1924	Payment CoPY.scr	schtasks.exe
PID 1924 wrote to memory of 432	1924	Payment CoPY.scr	Payment CoPY.scr
PID 1924 wrote to memory of 432	1924	Payment CoPY.scr	Payment CoPY.scr
PID 1924 wrote to memory of 432	1924	Payment CoPY.scr	Payment CoPY.scr
PID 1924 wrote to memory of 432	1924	Payment CoPY.scr	Payment CoPY.scr
PID 1924 wrote to memory of 432	1924	Payment CoPY.scr	Payment CoPY.scr
PID 1924 wrote to memory of 432	1924	Payment CoPY.scr	Payment CoPY.scr
PID 1924 wrote to memory of 432	1924	Payment CoPY.scr	Payment CoPY.scr
PID 1924 wrote to memory of 432	1924	Payment CoPY.scr	Payment CoPY.scr
PID 1924 wrote to memory of 432	1924	Payment CoPY.scr	Payment CoPY.scr
PID 432 wrote to memory of 1340	432	Payment CoPY.scr	netsh.exe
PID 432 wrote to memory of 1340	432	Payment CoPY.scr	netsh.exe
PID 432 wrote to memory of 1340	432	Payment CoPY.scr	netsh.exe
PID 432 wrote to memory of 1340	432	Payment CoPY.scr	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Payment CoPY.scr
"C:\Users\Admin\AppData\Local\Temp\Payment CoPY.scr" /S
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:1924

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QUJBHombeDe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A21.tmp"
2⤵
- Creates scheduled task(s)
PID:1260

C:\Users\Admin\AppData\Local\Temp\Payment CoPY.scr
"{path}"
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:432

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1340

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

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5A21.tmp
MD5
3426adf6342b52d3da258010ea7258a2

SHA1
af307d9bf6789d7027d3c41ab80c5d2774f2f3a7

SHA256
7dd79fdc25566d8ad6a82fa857347a00f70c07708326ef9294262baf9af46be5

SHA512
de3958aa3327f5708c914031d657f0d722661e4be88f6723cfc1e085fd054a6f1a2a1f3e13ee7d8d490450766c4aad76f96b0c6e6d1f38770f3bb0c461e159b7

Download Submit
memory/432-9-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/432-11-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/432-10-0x000000000047218E-mapping.dmp

Download
memory/432-12-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/432-13-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/1260-7-0x0000000000000000-mapping.dmp

Download
memory/1340-16-0x0000000000000000-mapping.dmp

Download
memory/1924-2-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/1924-3-0x0000000001200000-0x0000000001201000-memory.dmp

Filesize
4KB

Download
memory/1924-5-0x00000000004A0000-0x00000000004AE000-memory.dmp

Filesize
56KB

Download
memory/1924-6-0x0000000005470000-0x0000000005514000-memory.dmp

Filesize
656KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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