matiex | 0513fda6f36b07e54a0379c946286304deb8f60b7e37016dc2fab40182211c24

General

Target

rznfT9ZOchwd1lv.exe
Size

877KB
MD5

f3dfd893926ee70d0b7edc785122627a
SHA1

d8aeb366373e6f6d6621c8f8559050730373bb17
SHA256

0513fda6f36b07e54a0379c946286304deb8f60b7e37016dc2fab40182211c24
SHA512

c129b2bca515f0a7569115324ac26caebba75adcf1137027f80f94a10585b98bce9d16deee72dccd26b2e27717dd7e89324cac2542df57d367c265fdf7903975

Score

10^/10

matiex collection keylogger spyware stealer suricata

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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3660-128-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral2/memory/3660-137-0x00000000057B0000-0x0000000005CAE000-memory.dmp	family_matiex

suricata: ET MALWARE Matiex Keylogger Exfil Via Telegram
suricata: ET MALWARE Matiex Keylogger Exfil Via Telegram
suricata
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:

rznfT9ZOchwd1lv.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rznfT9ZOchwd1lv.exe
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rznfT9ZOchwd1lv.exe
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rznfT9ZOchwd1lv.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

28 checkip.dyndns.org
30 freegeoip.app
31 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

rznfT9ZOchwd1lv.exe

description pid process target process

PID 3052 set thread context of 3660 3052 rznfT9ZOchwd1lv.exe rznfT9ZOchwd1lv.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

1236 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exerznfT9ZOchwd1lv.exe

pid process

2580 powershell.exe
2580 powershell.exe
2580 powershell.exe
3660 rznfT9ZOchwd1lv.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rznfT9ZOchwd1lv.exe

pid process

3660 rznfT9ZOchwd1lv.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exerznfT9ZOchwd1lv.exe

description pid process

Token: SeDebugPrivilege 2580 powershell.exe
Token: SeDebugPrivilege 3660 rznfT9ZOchwd1lv.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

rznfT9ZOchwd1lv.exe

pid process

3660 rznfT9ZOchwd1lv.exe

flow	ioc
28	checkip.dyndns.org
30	freegeoip.app
31	freegeoip.app

description	pid	process	target process
PID 3052 set thread context of 3660	3052	rznfT9ZOchwd1lv.exe	rznfT9ZOchwd1lv.exe

pid	process
1236	schtasks.exe

pid	process
2580	powershell.exe
2580	powershell.exe
2580	powershell.exe
3660	rznfT9ZOchwd1lv.exe

pid	process
3660	rznfT9ZOchwd1lv.exe

description	pid	process
Token: SeDebugPrivilege	2580	powershell.exe
Token: SeDebugPrivilege	3660	rznfT9ZOchwd1lv.exe

pid	process
3660	rznfT9ZOchwd1lv.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

rznfT9ZOchwd1lv.exerznfT9ZOchwd1lv.exe

description	pid	process	target process
PID 3052 wrote to memory of 2580	3052	rznfT9ZOchwd1lv.exe	powershell.exe
PID 3052 wrote to memory of 2580	3052	rznfT9ZOchwd1lv.exe	powershell.exe
PID 3052 wrote to memory of 2580	3052	rznfT9ZOchwd1lv.exe	powershell.exe
PID 3052 wrote to memory of 1236	3052	rznfT9ZOchwd1lv.exe	schtasks.exe
PID 3052 wrote to memory of 1236	3052	rznfT9ZOchwd1lv.exe	schtasks.exe
PID 3052 wrote to memory of 1236	3052	rznfT9ZOchwd1lv.exe	schtasks.exe
PID 3052 wrote to memory of 3660	3052	rznfT9ZOchwd1lv.exe	rznfT9ZOchwd1lv.exe
PID 3052 wrote to memory of 3660	3052	rznfT9ZOchwd1lv.exe	rznfT9ZOchwd1lv.exe
PID 3052 wrote to memory of 3660	3052	rznfT9ZOchwd1lv.exe	rznfT9ZOchwd1lv.exe
PID 3052 wrote to memory of 3660	3052	rznfT9ZOchwd1lv.exe	rznfT9ZOchwd1lv.exe
PID 3052 wrote to memory of 3660	3052	rznfT9ZOchwd1lv.exe	rznfT9ZOchwd1lv.exe
PID 3052 wrote to memory of 3660	3052	rznfT9ZOchwd1lv.exe	rznfT9ZOchwd1lv.exe
PID 3052 wrote to memory of 3660	3052	rznfT9ZOchwd1lv.exe	rznfT9ZOchwd1lv.exe
PID 3052 wrote to memory of 3660	3052	rznfT9ZOchwd1lv.exe	rznfT9ZOchwd1lv.exe
PID 3660 wrote to memory of 4044	3660	rznfT9ZOchwd1lv.exe	netsh.exe
PID 3660 wrote to memory of 4044	3660	rznfT9ZOchwd1lv.exe	netsh.exe
PID 3660 wrote to memory of 4044	3660	rznfT9ZOchwd1lv.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

rznfT9ZOchwd1lv.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rznfT9ZOchwd1lv.exe

outlook_win_path 1 IoCs

Processes:

rznfT9ZOchwd1lv.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rznfT9ZOchwd1lv.exe

C:\Users\Admin\AppData\Local\Temp\rznfT9ZOchwd1lv.exe
"C:\Users\Admin\AppData\Local\Temp\rznfT9ZOchwd1lv.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3052

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BhqrxCLFHP.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2580

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BhqrxCLFHP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EC6.tmp"
2⤵
- Creates scheduled task(s)
PID:1236

C:\Users\Admin\AppData\Local\Temp\rznfT9ZOchwd1lv.exe
"C:\Users\Admin\AppData\Local\Temp\rznfT9ZOchwd1lv.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3660

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:4044

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\tmp5EC6.tmp
MD5
6d65de177b920a18c20f0d800dfdf65f

SHA1
20aac5bf9bd52071fe21ae5bafc5ca0fa8da7e14

SHA256
038b69242cd71fcc6800ab9dd9c9b9b8e3dcbc167d9299d18d2cc651c666a865

SHA512
31a11a7d5e0eb09b0b375a4b217092dd124705cd2f3c55e4f96b66cdde6d11a43c3210b49d0b261fc96e0b01ce6299450a7d18e364fcf20484374674db7b3556

Download Submit
memory/2580-138-0x0000000007D00000-0x0000000007D76000-memory.dmp

Filesize
472KB

Download
memory/2580-148-0x000000007E2C0000-0x000000007E2C1000-memory.dmp

Filesize
4KB

Download
memory/2580-132-0x0000000006CB0000-0x0000000006D16000-memory.dmp

Filesize
408KB

Download
memory/2580-350-0x0000000009030000-0x000000000904A000-memory.dmp

Filesize
104KB

Download
memory/2580-183-0x0000000006873000-0x0000000006874000-memory.dmp

Filesize
4KB

Download
memory/2580-156-0x00000000090A0000-0x0000000009134000-memory.dmp

Filesize
592KB

Download
memory/2580-154-0x0000000008F00000-0x0000000008FA5000-memory.dmp

Filesize
660KB

Download
memory/2580-149-0x0000000008B60000-0x0000000008B7E000-memory.dmp

Filesize
120KB

Download
memory/2580-126-0x00000000041C0000-0x00000000041F6000-memory.dmp

Filesize
216KB

Download
memory/2580-127-0x0000000006EB0000-0x00000000074D8000-memory.dmp

Filesize
6.2MB

Download
memory/2580-147-0x0000000008B80000-0x0000000008BB3000-memory.dmp

Filesize
204KB

Download
memory/2580-130-0x0000000006870000-0x0000000006871000-memory.dmp

Filesize
4KB

Download
memory/2580-131-0x0000000006872000-0x0000000006873000-memory.dmp

Filesize
4KB

Download
memory/2580-129-0x0000000006C10000-0x0000000006C32000-memory.dmp

Filesize
136KB

Download
memory/2580-355-0x0000000009020000-0x0000000009028000-memory.dmp

Filesize
32KB

Download
memory/2580-136-0x0000000007AB0000-0x0000000007AFB000-memory.dmp

Filesize
300KB

Download
memory/2580-134-0x00000000075E0000-0x0000000007930000-memory.dmp

Filesize
3.3MB

Download
memory/2580-135-0x0000000006E40000-0x0000000006E5C000-memory.dmp

Filesize
112KB

Download
memory/3052-118-0x0000000004F40000-0x0000000004F4A000-memory.dmp

Filesize
40KB

Download
memory/3052-115-0x00000000004A0000-0x0000000000582000-memory.dmp

Filesize
904KB

Download
memory/3052-117-0x0000000004E70000-0x0000000004F02000-memory.dmp

Filesize
584KB

Download
memory/3052-116-0x0000000005370000-0x000000000586E000-memory.dmp

Filesize
5.0MB

Download
memory/3052-122-0x00000000077F0000-0x00000000078B0000-memory.dmp

Filesize
768KB

Download
memory/3052-121-0x0000000007560000-0x00000000075FC000-memory.dmp

Filesize
624KB

Download
memory/3052-120-0x0000000005070000-0x000000000507C000-memory.dmp

Filesize
48KB

Download
memory/3052-119-0x0000000004E70000-0x000000000536E000-memory.dmp

Filesize
5.0MB

Download
memory/3660-137-0x00000000057B0000-0x0000000005CAE000-memory.dmp

Filesize
5.0MB

Download
memory/3660-128-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/3660-155-0x0000000007380000-0x0000000007542000-memory.dmp

Filesize
1.8MB

Download
memory/3660-133-0x00000000057B0000-0x0000000005816000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads