matiex | 962a2c242f1491057e2192083e69c7a4f06be6e37a2ceb85ba43f66fd21a80c3

General

Target

98nMUVIMa7yoxmF.exe
Size

1.2MB
MD5

a060e6b79f24c737ed87a315cfb02760
SHA1

6e28de0375a2a8431ebf17e8858e8a5a32e5358f
SHA256

962a2c242f1491057e2192083e69c7a4f06be6e37a2ceb85ba43f66fd21a80c3
SHA512

483729e2bd5c2118d2abc81fb4d469023c372e00f2d9056d68e03c8db6200f9ea83f9a32fb73131784e292b92885c893611d2d199253e4f596ae19aa62908e95

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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1124-64-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1124-65-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1124-66-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1124-67-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1652-68-0x0000000002360000-0x0000000002FAA000-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:

98nMUVIMa7yoxmF.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	98nMUVIMa7yoxmF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	98nMUVIMa7yoxmF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	98nMUVIMa7yoxmF.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:

98nMUVIMa7yoxmF.exe

description pid process target process

PID 1412 set thread context of 1124 1412 98nMUVIMa7yoxmF.exe 98nMUVIMa7yoxmF.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

1712 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe98nMUVIMa7yoxmF.exe

pid process

1652 powershell.exe
1124 98nMUVIMa7yoxmF.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

98nMUVIMa7yoxmF.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1124 98nMUVIMa7yoxmF.exe
Token: SeDebugPrivilege 1652 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

98nMUVIMa7yoxmF.exe

pid process

1124 98nMUVIMa7yoxmF.exe

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

description	pid	process	target process
PID 1412 set thread context of 1124	1412	98nMUVIMa7yoxmF.exe	98nMUVIMa7yoxmF.exe

pid	process
1712	schtasks.exe

pid	process
1652	powershell.exe
1124	98nMUVIMa7yoxmF.exe

description	pid	process
Token: SeDebugPrivilege	1124	98nMUVIMa7yoxmF.exe
Token: SeDebugPrivilege	1652	powershell.exe

pid	process
1124	98nMUVIMa7yoxmF.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

98nMUVIMa7yoxmF.exe98nMUVIMa7yoxmF.exe

description	pid	process	target process
PID 1412 wrote to memory of 1652	1412	98nMUVIMa7yoxmF.exe	powershell.exe
PID 1412 wrote to memory of 1652	1412	98nMUVIMa7yoxmF.exe	powershell.exe
PID 1412 wrote to memory of 1652	1412	98nMUVIMa7yoxmF.exe	powershell.exe
PID 1412 wrote to memory of 1652	1412	98nMUVIMa7yoxmF.exe	powershell.exe
PID 1412 wrote to memory of 1712	1412	98nMUVIMa7yoxmF.exe	schtasks.exe
PID 1412 wrote to memory of 1712	1412	98nMUVIMa7yoxmF.exe	schtasks.exe
PID 1412 wrote to memory of 1712	1412	98nMUVIMa7yoxmF.exe	schtasks.exe
PID 1412 wrote to memory of 1712	1412	98nMUVIMa7yoxmF.exe	schtasks.exe
PID 1412 wrote to memory of 1124	1412	98nMUVIMa7yoxmF.exe	98nMUVIMa7yoxmF.exe
PID 1412 wrote to memory of 1124	1412	98nMUVIMa7yoxmF.exe	98nMUVIMa7yoxmF.exe
PID 1412 wrote to memory of 1124	1412	98nMUVIMa7yoxmF.exe	98nMUVIMa7yoxmF.exe
PID 1412 wrote to memory of 1124	1412	98nMUVIMa7yoxmF.exe	98nMUVIMa7yoxmF.exe
PID 1412 wrote to memory of 1124	1412	98nMUVIMa7yoxmF.exe	98nMUVIMa7yoxmF.exe
PID 1412 wrote to memory of 1124	1412	98nMUVIMa7yoxmF.exe	98nMUVIMa7yoxmF.exe
PID 1412 wrote to memory of 1124	1412	98nMUVIMa7yoxmF.exe	98nMUVIMa7yoxmF.exe
PID 1412 wrote to memory of 1124	1412	98nMUVIMa7yoxmF.exe	98nMUVIMa7yoxmF.exe
PID 1412 wrote to memory of 1124	1412	98nMUVIMa7yoxmF.exe	98nMUVIMa7yoxmF.exe
PID 1124 wrote to memory of 1724	1124	98nMUVIMa7yoxmF.exe	netsh.exe
PID 1124 wrote to memory of 1724	1124	98nMUVIMa7yoxmF.exe	netsh.exe
PID 1124 wrote to memory of 1724	1124	98nMUVIMa7yoxmF.exe	netsh.exe
PID 1124 wrote to memory of 1724	1124	98nMUVIMa7yoxmF.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

98nMUVIMa7yoxmF.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	98nMUVIMa7yoxmF.exe

outlook_win_path 1 IoCs

Processes:

98nMUVIMa7yoxmF.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	98nMUVIMa7yoxmF.exe

C:\Users\Admin\AppData\Local\Temp\98nMUVIMa7yoxmF.exe
"C:\Users\Admin\AppData\Local\Temp\98nMUVIMa7yoxmF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1412

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YbakSbVXJKkh.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1652

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YbakSbVXJKkh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBCF9.tmp"
2⤵
- Creates scheduled task(s)
PID:1712

C:\Users\Admin\AppData\Local\Temp\98nMUVIMa7yoxmF.exe
"C:\Users\Admin\AppData\Local\Temp\98nMUVIMa7yoxmF.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:1124

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1724

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

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBCF9.tmp
MD5
25e87d45e78eb678b064bf6141b55b62

SHA1
7f34e8a055b359557c0c1aaea95fe136ffc4c680

SHA256
a9291f453c9318823df5f791f907a5e0f02e4ec97711ff47f3f1f47c33dc8069

SHA512
79304ebfd869d30abb2eb3e892f9df781a221aa28ed095a863aea5e26b6b63775ec2aa0a1bb211eb9ee8907790c2378de819d0101cf6c4e173f98990a4bbb335

Download Submit
memory/1124-64-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1124-66-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1124-69-0x0000000005960000-0x0000000005961000-memory.dmp

Filesize
4KB

Download
memory/1124-67-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1124-65-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1124-63-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1124-62-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1412-55-0x0000000076851000-0x0000000076853000-memory.dmp

Filesize
8KB

Download
memory/1412-54-0x0000000000CC0000-0x0000000000DF4000-memory.dmp

Filesize
1.2MB

Download
memory/1412-59-0x0000000005190000-0x0000000005298000-memory.dmp

Filesize
1.0MB

Download
memory/1412-56-0x0000000004F10000-0x0000000004F11000-memory.dmp

Filesize
4KB

Download
memory/1412-58-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/1412-57-0x0000000000BB0000-0x0000000000BBE000-memory.dmp

Filesize
56KB

Download
memory/1652-68-0x0000000002360000-0x0000000002FAA000-memory.dmp

Filesize
12.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads