matiex | 21e5e0c004b3cba4cfbfdd135abcab0beeea6159ce5884d19406945ce38e9670

General

Target

b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
Size

608KB
MD5

4622942793ebac6a734337176a346809
SHA1

5c7c0cceb1d1ecdd052e29a9e6a46e4ea3cfb282
SHA256

b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c
SHA512

a7164f6a8b9d555efd12bebb3801834c539c73090fdc0cfc436c4b0a53a324169af9b8ba21bb7e2b81698e14ea92da5d0fe477563a323ebeaced40a1870392a6
SSDEEP

12288:YqoOQ5sHbNuZpA/uOr3YZnQlRZDynctXm2sThT6ycNYn:X1Q4oZpA2Or3YuyctW2K6Fm

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
ze5qw@iC?1E}

Signatures

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

Matiex Main payload 6 IoCs

resource	yara_rule
behavioral1/memory/1356-60-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex
behavioral1/memory/1356-61-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex
behavioral1/memory/1356-62-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex
behavioral1/memory/1356-63-0x000000000046BEDE-mapping.dmp	family_matiex
behavioral1/memory/1356-65-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex
behavioral1/memory/1356-67-0x0000000000400000-0x0000000000470000-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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.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.

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1780 set thread context of 1356	1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe	28

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
Token: SeDebugPrivilege	1356	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 1356	1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe	28
PID 1780 wrote to memory of 1356	1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe	28
PID 1780 wrote to memory of 1356	1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe	28
PID 1780 wrote to memory of 1356	1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe	28
PID 1780 wrote to memory of 1356	1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe	28
PID 1780 wrote to memory of 1356	1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe	28
PID 1780 wrote to memory of 1356	1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe	28
PID 1780 wrote to memory of 1356	1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe	28
PID 1780 wrote to memory of 1356	1780	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe

C:\Users\Admin\AppData\Local\Temp\b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
"C:\Users\Admin\AppData\Local\Temp\b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Users\Admin\AppData\Local\Temp\b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe
  "C:\Users\Admin\AppData\Local\Temp\b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Modifies system certificate store
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1356

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1356-57-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1356-58-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1356-60-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1356-61-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1356-62-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1356-65-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1356-67-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1780-54-0x0000000000BC0000-0x0000000000C58000-memory.dmp

Filesize
608KB

Download
memory/1780-55-0x00000000762F1000-0x00000000762F3000-memory.dmp

Filesize
8KB

Download
memory/1780-56-0x0000000002060000-0x00000000020EE000-memory.dmp

Filesize
568KB

Download

Analysis

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