matiex | d6cc26090184738bc0af6fc4962ef79065c7906326f29b23761e699f8e59b872

General

Target

URGENT.PO.pdf.exe
Size

647KB
MD5

c934ff92eb72cb2a4a7e3beebe46c07c
SHA1

3cede206bd43133a07c5ef67281b922b58f28d8b
SHA256

45a2796fe63b4de3b22f992d5259ca8efdf22d33670c5446a71d288d9f182ef5
SHA512

714df13bd235e92285576f32133d0cb1fdb8fc0c68ea3db030984f957a5d583c44f14b89b05eafff07a9e37aecdd74768424e89f1f391c34319d0637b74ef96f

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
infokingking88@yandex.ru
Password:
kingmoney12345

Signatures

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

Matiex Main Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2032-61-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex
behavioral1/memory/2032-62-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex
behavioral1/memory/2032-63-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex
behavioral1/memory/2032-64-0x000000000046BB9E-mapping.dmp	family_matiex
behavioral1/memory/2032-66-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex
behavioral1/memory/2032-68-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex

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:

URGENT.PO.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	URGENT.PO.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	URGENT.PO.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	URGENT.PO.pdf.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:

URGENT.PO.pdf.exe

description pid process target process

PID 1528 set thread context of 2032 1528 URGENT.PO.pdf.exe URGENT.PO.pdf.exe

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

description	pid	process	target process
PID 1528 set thread context of 2032	1528	URGENT.PO.pdf.exe	URGENT.PO.pdf.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

URGENT.PO.pdf.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	URGENT.PO.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	URGENT.PO.pdf.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

URGENT.PO.pdf.exe

pid process

1528 URGENT.PO.pdf.exe
1528 URGENT.PO.pdf.exe
1528 URGENT.PO.pdf.exe
1528 URGENT.PO.pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

URGENT.PO.pdf.exeURGENT.PO.pdf.exe

description pid process

Token: SeDebugPrivilege 1528 URGENT.PO.pdf.exe
Token: SeDebugPrivilege 2032 URGENT.PO.pdf.exe

pid	process
1528	URGENT.PO.pdf.exe
1528	URGENT.PO.pdf.exe
1528	URGENT.PO.pdf.exe
1528	URGENT.PO.pdf.exe

description	pid	process
Token: SeDebugPrivilege	1528	URGENT.PO.pdf.exe
Token: SeDebugPrivilege	2032	URGENT.PO.pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

URGENT.PO.pdf.exe

description	pid	process	target process
PID 1528 wrote to memory of 2032	1528	URGENT.PO.pdf.exe	URGENT.PO.pdf.exe
PID 1528 wrote to memory of 2032	1528	URGENT.PO.pdf.exe	URGENT.PO.pdf.exe
PID 1528 wrote to memory of 2032	1528	URGENT.PO.pdf.exe	URGENT.PO.pdf.exe
PID 1528 wrote to memory of 2032	1528	URGENT.PO.pdf.exe	URGENT.PO.pdf.exe
PID 1528 wrote to memory of 2032	1528	URGENT.PO.pdf.exe	URGENT.PO.pdf.exe
PID 1528 wrote to memory of 2032	1528	URGENT.PO.pdf.exe	URGENT.PO.pdf.exe
PID 1528 wrote to memory of 2032	1528	URGENT.PO.pdf.exe	URGENT.PO.pdf.exe
PID 1528 wrote to memory of 2032	1528	URGENT.PO.pdf.exe	URGENT.PO.pdf.exe
PID 1528 wrote to memory of 2032	1528	URGENT.PO.pdf.exe	URGENT.PO.pdf.exe

outlook_office_path 1 IoCs

Processes:

URGENT.PO.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	URGENT.PO.pdf.exe

outlook_win_path 1 IoCs

Processes:

URGENT.PO.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	URGENT.PO.pdf.exe

C:\Users\Admin\AppData\Local\Temp\URGENT.PO.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\URGENT.PO.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528

C:\Users\Admin\AppData\Local\Temp\URGENT.PO.pdf.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2032

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1528-54-0x0000000000FA0000-0x0000000001048000-memory.dmp

Filesize
672KB

Download
memory/1528-55-0x0000000000230000-0x0000000000238000-memory.dmp

Filesize
32KB

Download
memory/1528-56-0x0000000004450000-0x00000000044AA000-memory.dmp

Filesize
360KB

Download
memory/1528-57-0x0000000000440000-0x00000000004BA000-memory.dmp

Filesize
488KB

Download
memory/2032-58-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2032-59-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2032-61-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2032-62-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2032-63-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2032-64-0x000000000046BB9E-mapping.dmp

Download
memory/2032-66-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2032-68-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2032-69-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads