matiex | ab3043b6f2321bdc9cec4d04b828e293ac1d1f41786494ac8272046d1bdb4663

General

Target

Quotation and Prices.exe
Size

730KB
MD5

6d991f93327f70488011bf06ba799930
SHA1

1b630a8c337cc48f9ec41cccc4352f51e7d51e71
SHA256

abfc5a0bbf24e3dbc1c76c0734ea0b1ed6a0d5ff6f44f2a5a3e4e2f9317118c3
SHA512

181be4ad5a549d51461fd8c9a470abac2895f51b5ec1cdba6927644ca0e8fb91663d8635ed5c98f4a90ae2752eb98b3235f106ee2d009cc885bdf6d0faadfe70
SSDEEP

12288:tFda+FdahcQS8zfwkD/j1UGmy7eaqwVlXN8eR5dKFLtnoAf:8cn8zfwa1Dmyxrd8eqLt

Score

10^/10

matiex collection credential_access discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
MARYolanmauluogwo@ever

Signatures

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

Matiex Main payload 5 IoCs

resource	yara_rule
behavioral7/memory/2004-21-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral7/memory/2004-25-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral7/memory/2004-23-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral7/memory/2004-18-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral7/memory/2004-17-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex

Beds Protector Packer 1 IoCs

Detects Beds Protector packer used to load .NET malware.

resource	yara_rule
behavioral7/memory/1896-3-0x0000000000E70000-0x0000000000F16000-memory.dmp	beds_protector

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe	Powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe	Powershell.exe

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
T1552.001
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
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation and Prices.exe
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation and Prices.exe
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation and Prices.exe

Looks up external IP address via web service 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1896 set thread context of 2004	1896	Quotation and Prices.exe	31

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1688	Powershell.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2852	2004	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quotation and Prices.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quotation and Prices.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1688	Powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1688	Powershell.exe
Token: SeDebugPrivilege	2004	Quotation and Prices.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 1688	1896	Quotation and Prices.exe	29
PID 1896 wrote to memory of 1688	1896	Quotation and Prices.exe	29
PID 1896 wrote to memory of 1688	1896	Quotation and Prices.exe	29
PID 1896 wrote to memory of 1688	1896	Quotation and Prices.exe	29
PID 1896 wrote to memory of 2004	1896	Quotation and Prices.exe	31
PID 1896 wrote to memory of 2004	1896	Quotation and Prices.exe	31
PID 1896 wrote to memory of 2004	1896	Quotation and Prices.exe	31
PID 1896 wrote to memory of 2004	1896	Quotation and Prices.exe	31
PID 1896 wrote to memory of 2004	1896	Quotation and Prices.exe	31
PID 1896 wrote to memory of 2004	1896	Quotation and Prices.exe	31
PID 1896 wrote to memory of 2004	1896	Quotation and Prices.exe	31
PID 1896 wrote to memory of 2004	1896	Quotation and Prices.exe	31
PID 1896 wrote to memory of 2004	1896	Quotation and Prices.exe	31
PID 2004 wrote to memory of 2852	2004	Quotation and Prices.exe	33
PID 2004 wrote to memory of 2852	2004	Quotation and Prices.exe	33
PID 2004 wrote to memory of 2852	2004	Quotation and Prices.exe	33
PID 2004 wrote to memory of 2852	2004	Quotation and Prices.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation and Prices.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation and Prices.exe

C:\Users\Admin\AppData\Local\Temp\Quotation and Prices.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation and Prices.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Quotation and Prices.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe'
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1688
- C:\Users\Admin\AppData\Local\Temp\Quotation and Prices.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation and Prices.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 936
    3⤵
    - Program crash
    PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1688-11-0x000000006FBA0000-0x000000007014B000-memory.dmp

Filesize
5.7MB

Download
memory/1688-6-0x000000006FBA1000-0x000000006FBA2000-memory.dmp

Filesize
4KB

Download
memory/1688-7-0x000000006FBA0000-0x000000007014B000-memory.dmp

Filesize
5.7MB

Download
memory/1688-9-0x000000006FBA0000-0x000000007014B000-memory.dmp

Filesize
5.7MB

Download
memory/1688-8-0x000000006FBA0000-0x000000007014B000-memory.dmp

Filesize
5.7MB

Download
memory/1896-26-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/1896-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/1896-3-0x0000000000E70000-0x0000000000F16000-memory.dmp

Filesize
664KB

Download
memory/1896-2-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/1896-1-0x0000000000F60000-0x000000000101C000-memory.dmp

Filesize
752KB

Download
memory/1896-12-0x00000000004B0000-0x00000000004C6000-memory.dmp

Filesize
88KB

Download
memory/2004-14-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2004-21-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2004-23-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2004-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2004-18-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2004-17-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2004-15-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2004-25-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download

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