matiex | d3dd7dee8c874b7d1d1d6b5e499dedd7b049d82676213c0a317078a900a78451

General

Target

LlW4ErKRQ3PVoGb.exe
Size

1.1MB
MD5

5e53df92e2abdbc2305049f51140fec6
SHA1

c9a1d423fed180ec73be60ec740bfc0ae9120f82
SHA256

d3dd7dee8c874b7d1d1d6b5e499dedd7b049d82676213c0a317078a900a78451
SHA512

2f038af89c1fc8747e27f5a6675584954e975bf69917ac50526c06eff007c01b404538df3f9f217d1ab8c1d46c6d25b28360d069025d9cee419e931e75601aaf

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1769394961:AAF5BB35akL859CwVaXypIqpVsGWlaKvi7A/sendMessage?chat_id=1735544933

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/1532-64-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1532-65-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1532-66-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1532-67-0x0000000000400000-0x0000000000476000-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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

LlW4ErKRQ3PVoGb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	LlW4ErKRQ3PVoGb.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	LlW4ErKRQ3PVoGb.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	LlW4ErKRQ3PVoGb.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

LlW4ErKRQ3PVoGb.exe

description pid process target process

PID 1268 set thread context of 1532 1268 LlW4ErKRQ3PVoGb.exe LlW4ErKRQ3PVoGb.exe
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

968 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exeLlW4ErKRQ3PVoGb.exe

pid process

1960 powershell.exe
1532 LlW4ErKRQ3PVoGb.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeLlW4ErKRQ3PVoGb.exe

description pid process

Token: SeDebugPrivilege 1960 powershell.exe
Token: SeDebugPrivilege 1532 LlW4ErKRQ3PVoGb.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

LlW4ErKRQ3PVoGb.exe

pid process

1532 LlW4ErKRQ3PVoGb.exe

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

description	pid	process	target process
PID 1268 set thread context of 1532	1268	LlW4ErKRQ3PVoGb.exe	LlW4ErKRQ3PVoGb.exe

pid	process
968	schtasks.exe

pid	process
1960	powershell.exe
1532	LlW4ErKRQ3PVoGb.exe

description	pid	process
Token: SeDebugPrivilege	1960	powershell.exe
Token: SeDebugPrivilege	1532	LlW4ErKRQ3PVoGb.exe

pid	process
1532	LlW4ErKRQ3PVoGb.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

LlW4ErKRQ3PVoGb.exeLlW4ErKRQ3PVoGb.exe

description	pid	process	target process
PID 1268 wrote to memory of 1960	1268	LlW4ErKRQ3PVoGb.exe	powershell.exe
PID 1268 wrote to memory of 1960	1268	LlW4ErKRQ3PVoGb.exe	powershell.exe
PID 1268 wrote to memory of 1960	1268	LlW4ErKRQ3PVoGb.exe	powershell.exe
PID 1268 wrote to memory of 1960	1268	LlW4ErKRQ3PVoGb.exe	powershell.exe
PID 1268 wrote to memory of 968	1268	LlW4ErKRQ3PVoGb.exe	schtasks.exe
PID 1268 wrote to memory of 968	1268	LlW4ErKRQ3PVoGb.exe	schtasks.exe
PID 1268 wrote to memory of 968	1268	LlW4ErKRQ3PVoGb.exe	schtasks.exe
PID 1268 wrote to memory of 968	1268	LlW4ErKRQ3PVoGb.exe	schtasks.exe
PID 1268 wrote to memory of 1532	1268	LlW4ErKRQ3PVoGb.exe	LlW4ErKRQ3PVoGb.exe
PID 1268 wrote to memory of 1532	1268	LlW4ErKRQ3PVoGb.exe	LlW4ErKRQ3PVoGb.exe
PID 1268 wrote to memory of 1532	1268	LlW4ErKRQ3PVoGb.exe	LlW4ErKRQ3PVoGb.exe
PID 1268 wrote to memory of 1532	1268	LlW4ErKRQ3PVoGb.exe	LlW4ErKRQ3PVoGb.exe
PID 1268 wrote to memory of 1532	1268	LlW4ErKRQ3PVoGb.exe	LlW4ErKRQ3PVoGb.exe
PID 1268 wrote to memory of 1532	1268	LlW4ErKRQ3PVoGb.exe	LlW4ErKRQ3PVoGb.exe
PID 1268 wrote to memory of 1532	1268	LlW4ErKRQ3PVoGb.exe	LlW4ErKRQ3PVoGb.exe
PID 1268 wrote to memory of 1532	1268	LlW4ErKRQ3PVoGb.exe	LlW4ErKRQ3PVoGb.exe
PID 1268 wrote to memory of 1532	1268	LlW4ErKRQ3PVoGb.exe	LlW4ErKRQ3PVoGb.exe
PID 1532 wrote to memory of 1076	1532	LlW4ErKRQ3PVoGb.exe	netsh.exe
PID 1532 wrote to memory of 1076	1532	LlW4ErKRQ3PVoGb.exe	netsh.exe
PID 1532 wrote to memory of 1076	1532	LlW4ErKRQ3PVoGb.exe	netsh.exe
PID 1532 wrote to memory of 1076	1532	LlW4ErKRQ3PVoGb.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

LlW4ErKRQ3PVoGb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	LlW4ErKRQ3PVoGb.exe

outlook_win_path 1 IoCs

Processes:

LlW4ErKRQ3PVoGb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	LlW4ErKRQ3PVoGb.exe

C:\Users\Admin\AppData\Local\Temp\LlW4ErKRQ3PVoGb.exe
"C:\Users\Admin\AppData\Local\Temp\LlW4ErKRQ3PVoGb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1268

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OTCGvolJkVNKsE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1960

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OTCGvolJkVNKsE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4634.tmp"
2⤵
- Creates scheduled task(s)
PID:968

C:\Users\Admin\AppData\Local\Temp\LlW4ErKRQ3PVoGb.exe
"C:\Users\Admin\AppData\Local\Temp\LlW4ErKRQ3PVoGb.exe"
2⤵
- 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:1532

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4634.tmp
MD5
0d5bfe1ebaf671a7bc9d937aef81ce13

SHA1
09fa4ceda30889b800e5e2d990d0911114c34615

SHA256
f0ac074ea175ec79c4ef2b69eb48a32b2a3ecfe1ed3faf2ae5dc86953f21a29f

SHA512
41a719f6a0ca1a9710a652cdf5a7e2ab1398fd01b684555d5222b072928563161b160ee124660397074b017c93f0d097d2d2355d77a7e35960e2173af6141c08

Download Submit
memory/1268-58-0x0000000000770000-0x000000000077C000-memory.dmp

Filesize
48KB

Download
memory/1268-57-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/1268-59-0x0000000005710000-0x0000000005806000-memory.dmp

Filesize
984KB

Download
memory/1268-55-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/1268-56-0x0000000001030000-0x0000000001150000-memory.dmp

Filesize
1.1MB

Download
memory/1532-71-0x00000000733EE000-0x00000000733EF000-memory.dmp

Filesize
4KB

Download
memory/1532-62-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1532-63-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1532-64-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1532-65-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1532-66-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1532-67-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1532-74-0x0000000005800000-0x0000000005801000-memory.dmp

Filesize
4KB

Download
memory/1960-60-0x0000000075F81000-0x0000000075F83000-memory.dmp

Filesize
8KB

Download
memory/1960-72-0x0000000002831000-0x0000000002832000-memory.dmp

Filesize
4KB

Download
memory/1960-69-0x0000000002830000-0x0000000002831000-memory.dmp

Filesize
4KB

Download
memory/1960-70-0x000000006E912000-0x000000006E914000-memory.dmp

Filesize
8KB

Download
memory/1960-73-0x0000000002832000-0x0000000002834000-memory.dmp

Filesize
8KB

Download
memory/1960-68-0x000000006E911000-0x000000006E912000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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