matiex | 3b556f8a00ec76eae2da65106515802e6ccf7f207b93caa00908e412e34e2384

General

Target

bef1a1a790d0fc2997ad2b61e45a681e.exe
Size

380KB
MD5

bef1a1a790d0fc2997ad2b61e45a681e
SHA1

4977286549133a45f5314f0a61e59365ba5444e5
SHA256

3b556f8a00ec76eae2da65106515802e6ccf7f207b93caa00908e412e34e2384
SHA512

1a8bbf47f912f5959a21ebf4c92f8639305d8b45df5337fdf117bf9d258dab1685842269cc5fe6849d0e966a9ea6d0c42cec2e763b55d2ae8f93d964f709626e

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
wellcome100

Signatures

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

Matiex Main Payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/752-61-0x0000000000400000-0x0000000000474000-memory.dmp	family_matiex
behavioral1/memory/752-62-0x0000000000400000-0x0000000000474000-memory.dmp	family_matiex
behavioral1/memory/752-63-0x0000000000400000-0x0000000000474000-memory.dmp	family_matiex
behavioral1/memory/752-64-0x000000000046EA4E-mapping.dmp	family_matiex
behavioral1/memory/752-66-0x0000000000400000-0x0000000000474000-memory.dmp	family_matiex
behavioral1/memory/752-67-0x0000000000400000-0x0000000000474000-memory.dmp	family_matiex
behavioral1/memory/1568-70-0x0000000002390000-0x0000000002FDA000-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:

bef1a1a790d0fc2997ad2b61e45a681e.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	bef1a1a790d0fc2997ad2b61e45a681e.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bef1a1a790d0fc2997ad2b61e45a681e.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bef1a1a790d0fc2997ad2b61e45a681e.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:

bef1a1a790d0fc2997ad2b61e45a681e.exe

description pid process target process

PID 1720 set thread context of 752 1720 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

bef1a1a790d0fc2997ad2b61e45a681e.exePowershell.exebef1a1a790d0fc2997ad2b61e45a681e.exe

pid process

1720 bef1a1a790d0fc2997ad2b61e45a681e.exe
1720 bef1a1a790d0fc2997ad2b61e45a681e.exe
1568 Powershell.exe
752 bef1a1a790d0fc2997ad2b61e45a681e.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

bef1a1a790d0fc2997ad2b61e45a681e.exe

pid process

752 bef1a1a790d0fc2997ad2b61e45a681e.exe

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

description	pid	process	target process
PID 1720 set thread context of 752	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	bef1a1a790d0fc2997ad2b61e45a681e.exe

pid	process
1720	bef1a1a790d0fc2997ad2b61e45a681e.exe
1720	bef1a1a790d0fc2997ad2b61e45a681e.exe
1568	Powershell.exe
752	bef1a1a790d0fc2997ad2b61e45a681e.exe

pid	process
752	bef1a1a790d0fc2997ad2b61e45a681e.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

bef1a1a790d0fc2997ad2b61e45a681e.exebef1a1a790d0fc2997ad2b61e45a681e.exePowershell.exe

description	pid	process
Token: SeDebugPrivilege	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe
Token: SeDebugPrivilege	752	bef1a1a790d0fc2997ad2b61e45a681e.exe
Token: SeDebugPrivilege	1568	Powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

bef1a1a790d0fc2997ad2b61e45a681e.exe

pid process

752 bef1a1a790d0fc2997ad2b61e45a681e.exe

pid	process
752	bef1a1a790d0fc2997ad2b61e45a681e.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

bef1a1a790d0fc2997ad2b61e45a681e.exebef1a1a790d0fc2997ad2b61e45a681e.exe

description	pid	process	target process
PID 1720 wrote to memory of 752	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	bef1a1a790d0fc2997ad2b61e45a681e.exe
PID 1720 wrote to memory of 752	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	bef1a1a790d0fc2997ad2b61e45a681e.exe
PID 1720 wrote to memory of 752	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	bef1a1a790d0fc2997ad2b61e45a681e.exe
PID 1720 wrote to memory of 752	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	bef1a1a790d0fc2997ad2b61e45a681e.exe
PID 1720 wrote to memory of 752	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	bef1a1a790d0fc2997ad2b61e45a681e.exe
PID 1720 wrote to memory of 752	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	bef1a1a790d0fc2997ad2b61e45a681e.exe
PID 1720 wrote to memory of 752	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	bef1a1a790d0fc2997ad2b61e45a681e.exe
PID 1720 wrote to memory of 752	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	bef1a1a790d0fc2997ad2b61e45a681e.exe
PID 1720 wrote to memory of 752	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	bef1a1a790d0fc2997ad2b61e45a681e.exe
PID 1720 wrote to memory of 1568	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	Powershell.exe
PID 1720 wrote to memory of 1568	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	Powershell.exe
PID 1720 wrote to memory of 1568	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	Powershell.exe
PID 1720 wrote to memory of 1568	1720	bef1a1a790d0fc2997ad2b61e45a681e.exe	Powershell.exe
PID 752 wrote to memory of 2032	752	bef1a1a790d0fc2997ad2b61e45a681e.exe	netsh.exe
PID 752 wrote to memory of 2032	752	bef1a1a790d0fc2997ad2b61e45a681e.exe	netsh.exe
PID 752 wrote to memory of 2032	752	bef1a1a790d0fc2997ad2b61e45a681e.exe	netsh.exe
PID 752 wrote to memory of 2032	752	bef1a1a790d0fc2997ad2b61e45a681e.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

bef1a1a790d0fc2997ad2b61e45a681e.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	bef1a1a790d0fc2997ad2b61e45a681e.exe

outlook_win_path 1 IoCs

Processes:

bef1a1a790d0fc2997ad2b61e45a681e.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	bef1a1a790d0fc2997ad2b61e45a681e.exe

C:\Users\Admin\AppData\Local\Temp\bef1a1a790d0fc2997ad2b61e45a681e.exe
"C:\Users\Admin\AppData\Local\Temp\bef1a1a790d0fc2997ad2b61e45a681e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720

C:\Users\Admin\AppData\Local\Temp\bef1a1a790d0fc2997ad2b61e45a681e.exe
"C:\Users\Admin\AppData\Local\Temp\bef1a1a790d0fc2997ad2b61e45a681e.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:752

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:2032

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell" Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\VideoLAN\vlc.exe"'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1568

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/752-64-0x000000000046EA4E-mapping.dmp

Download
memory/752-69-0x0000000005920000-0x0000000005921000-memory.dmp

Filesize
4KB

Download
memory/752-75-0x0000000005925000-0x0000000005936000-memory.dmp

Filesize
68KB

Download
memory/752-66-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/752-67-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/752-59-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/752-60-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/752-61-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/752-62-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/752-63-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1568-65-0x0000000000000000-mapping.dmp

Download
memory/1568-68-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1568-70-0x0000000002390000-0x0000000002FDA000-memory.dmp

Filesize
12.3MB

Download
memory/1568-72-0x0000000002390000-0x0000000002FDA000-memory.dmp

Filesize
12.3MB

Download
memory/1568-71-0x0000000002390000-0x0000000002FDA000-memory.dmp

Filesize
12.3MB

Download
memory/1720-57-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1720-58-0x0000000000A80000-0x0000000000AD6000-memory.dmp

Filesize
344KB

Download
memory/1720-56-0x0000000004D50000-0x0000000004D51000-memory.dmp

Filesize
4KB

Download
memory/1720-55-0x0000000000C60000-0x0000000000CC0000-memory.dmp

Filesize
384KB

Download
memory/1720-54-0x0000000000C60000-0x0000000000CC0000-memory.dmp

Filesize
384KB

Download
memory/2032-73-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads