matiex | e0b04e8988248b327bde20ad36087876e6c2681dcf890748b107d686ca90ecd1

General

Target

1u0Zwj9C2xbMA6p.exe
Size

1.2MB
MD5

faa90e7fee57b0ad8bb527f71eb4738c
SHA1

70cde86bddc0505007f3cbaf96661f55de57a8df
SHA256

b2196e769c2ab067096df011dfa35bc9d02b594211b610b84d833d3a152ce3f4
SHA512

2323e57d1500396c60cf3f363b2ae90f1f860ecca9fbb6bcf39e246f1718b99ffbd6bb5ea31762b0e272cd949bf96ce74714b5120a4c4259a387fa6ed376798c

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
Nigerian99

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
Nigerian99

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/1184-62-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1184-63-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1184-64-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1184-65-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral1/memory/1880-56-0x00000000005E0000-0x00000000005E8000-memory.dmp	CustAttr

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:

1u0Zwj9C2xbMA6p.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1u0Zwj9C2xbMA6p.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1u0Zwj9C2xbMA6p.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1u0Zwj9C2xbMA6p.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:

1u0Zwj9C2xbMA6p.exe

description pid process target process

PID 1880 set thread context of 1184 1880 1u0Zwj9C2xbMA6p.exe 1u0Zwj9C2xbMA6p.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

1996 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

1u0Zwj9C2xbMA6p.exe

pid process

1184 1u0Zwj9C2xbMA6p.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1u0Zwj9C2xbMA6p.exe

description pid process

Token: SeDebugPrivilege 1184 1u0Zwj9C2xbMA6p.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1u0Zwj9C2xbMA6p.exe

pid process

1184 1u0Zwj9C2xbMA6p.exe

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

description	pid	process	target process
PID 1880 set thread context of 1184	1880	1u0Zwj9C2xbMA6p.exe	1u0Zwj9C2xbMA6p.exe

pid	process
1996	schtasks.exe

pid	process
1184	1u0Zwj9C2xbMA6p.exe

description	pid	process
Token: SeDebugPrivilege	1184	1u0Zwj9C2xbMA6p.exe

pid	process
1184	1u0Zwj9C2xbMA6p.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

1u0Zwj9C2xbMA6p.exe1u0Zwj9C2xbMA6p.exe

description	pid	process	target process
PID 1880 wrote to memory of 1996	1880	1u0Zwj9C2xbMA6p.exe	schtasks.exe
PID 1880 wrote to memory of 1996	1880	1u0Zwj9C2xbMA6p.exe	schtasks.exe
PID 1880 wrote to memory of 1996	1880	1u0Zwj9C2xbMA6p.exe	schtasks.exe
PID 1880 wrote to memory of 1996	1880	1u0Zwj9C2xbMA6p.exe	schtasks.exe
PID 1880 wrote to memory of 1184	1880	1u0Zwj9C2xbMA6p.exe	1u0Zwj9C2xbMA6p.exe
PID 1880 wrote to memory of 1184	1880	1u0Zwj9C2xbMA6p.exe	1u0Zwj9C2xbMA6p.exe
PID 1880 wrote to memory of 1184	1880	1u0Zwj9C2xbMA6p.exe	1u0Zwj9C2xbMA6p.exe
PID 1880 wrote to memory of 1184	1880	1u0Zwj9C2xbMA6p.exe	1u0Zwj9C2xbMA6p.exe
PID 1880 wrote to memory of 1184	1880	1u0Zwj9C2xbMA6p.exe	1u0Zwj9C2xbMA6p.exe
PID 1880 wrote to memory of 1184	1880	1u0Zwj9C2xbMA6p.exe	1u0Zwj9C2xbMA6p.exe
PID 1880 wrote to memory of 1184	1880	1u0Zwj9C2xbMA6p.exe	1u0Zwj9C2xbMA6p.exe
PID 1880 wrote to memory of 1184	1880	1u0Zwj9C2xbMA6p.exe	1u0Zwj9C2xbMA6p.exe
PID 1880 wrote to memory of 1184	1880	1u0Zwj9C2xbMA6p.exe	1u0Zwj9C2xbMA6p.exe
PID 1184 wrote to memory of 2028	1184	1u0Zwj9C2xbMA6p.exe	netsh.exe
PID 1184 wrote to memory of 2028	1184	1u0Zwj9C2xbMA6p.exe	netsh.exe
PID 1184 wrote to memory of 2028	1184	1u0Zwj9C2xbMA6p.exe	netsh.exe
PID 1184 wrote to memory of 2028	1184	1u0Zwj9C2xbMA6p.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

1u0Zwj9C2xbMA6p.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1u0Zwj9C2xbMA6p.exe

outlook_win_path 1 IoCs

Processes:

1u0Zwj9C2xbMA6p.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1u0Zwj9C2xbMA6p.exe

C:\Users\Admin\AppData\Local\Temp\1u0Zwj9C2xbMA6p.exe
"C:\Users\Admin\AppData\Local\Temp\1u0Zwj9C2xbMA6p.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1880

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Fywrdc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B2E.tmp"
2⤵
- Creates scheduled task(s)
PID:1996

C:\Users\Admin\AppData\Local\Temp\1u0Zwj9C2xbMA6p.exe
"C:\Users\Admin\AppData\Local\Temp\1u0Zwj9C2xbMA6p.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:1184

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:2028

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1B2E.tmp
MD5
00c5ec861c0c236c54f7b9f342d705cf

SHA1
94fe8116b6aef7a1fb09b8d5df21d7c4ff021765

SHA256
d8118b7c8183a3b58ae9a276850c82da63a02fbb752eea8f2ed6e652d646457a

SHA512
b6c177dd4c38bd3a41854bfd703b738b386aabde8d90811cfff739413e294c0fb839a70bacf57edb2352e373eaaf452feccddfc6e461da608d604f70848511bf

Download Submit
memory/1184-66-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/1184-65-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1184-69-0x0000000005765000-0x0000000005776000-memory.dmp

Filesize
68KB

Download
memory/1184-67-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/1184-62-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1184-60-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1184-64-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1184-63-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1184-61-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1880-56-0x00000000005E0000-0x00000000005E8000-memory.dmp

Filesize
32KB

Download
memory/1880-55-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/1880-54-0x0000000000820000-0x0000000000954000-memory.dmp

Filesize
1.2MB

Download
memory/1880-58-0x0000000007960000-0x0000000007A4A000-memory.dmp

Filesize
936KB

Download
memory/1880-57-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/2028-68-0x0000000075AB1000-0x0000000075AB3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads