matiex | b9713bbd42cc46a3c53e391a5e0925968b5b335205a02866fb4edeb2b337226c

General

Target

4622942793ebac6a734337176a346809.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:
wise101@bajajindai.net
Password:
ze5qw@iC?1E}

Signatures

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

Matiex Main payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2496-138-0x0000000000400000-0x0000000000470000-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:

4622942793ebac6a734337176a346809.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4622942793ebac6a734337176a346809.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4622942793ebac6a734337176a346809.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4622942793ebac6a734337176a346809.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

16 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

4622942793ebac6a734337176a346809.exe

description pid process target process

PID 4992 set thread context of 2496 4992 4622942793ebac6a734337176a346809.exe 4622942793ebac6a734337176a346809.exe

flow	ioc
16	checkip.dyndns.org

description	pid	process	target process
PID 4992 set thread context of 2496	4992	4622942793ebac6a734337176a346809.exe	4622942793ebac6a734337176a346809.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

4622942793ebac6a734337176a346809.exe

pid	process
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe
4992	4622942793ebac6a734337176a346809.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4622942793ebac6a734337176a346809.exe4622942793ebac6a734337176a346809.exe

description pid process

Token: SeDebugPrivilege 4992 4622942793ebac6a734337176a346809.exe
Token: SeDebugPrivilege 2496 4622942793ebac6a734337176a346809.exe

description	pid	process
Token: SeDebugPrivilege	4992	4622942793ebac6a734337176a346809.exe
Token: SeDebugPrivilege	2496	4622942793ebac6a734337176a346809.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4622942793ebac6a734337176a346809.exe

description	pid	process	target process
PID 4992 wrote to memory of 2496	4992	4622942793ebac6a734337176a346809.exe	4622942793ebac6a734337176a346809.exe
PID 4992 wrote to memory of 2496	4992	4622942793ebac6a734337176a346809.exe	4622942793ebac6a734337176a346809.exe
PID 4992 wrote to memory of 2496	4992	4622942793ebac6a734337176a346809.exe	4622942793ebac6a734337176a346809.exe
PID 4992 wrote to memory of 2496	4992	4622942793ebac6a734337176a346809.exe	4622942793ebac6a734337176a346809.exe
PID 4992 wrote to memory of 2496	4992	4622942793ebac6a734337176a346809.exe	4622942793ebac6a734337176a346809.exe
PID 4992 wrote to memory of 2496	4992	4622942793ebac6a734337176a346809.exe	4622942793ebac6a734337176a346809.exe
PID 4992 wrote to memory of 2496	4992	4622942793ebac6a734337176a346809.exe	4622942793ebac6a734337176a346809.exe
PID 4992 wrote to memory of 2496	4992	4622942793ebac6a734337176a346809.exe	4622942793ebac6a734337176a346809.exe

outlook_office_path 1 IoCs

Processes:

4622942793ebac6a734337176a346809.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4622942793ebac6a734337176a346809.exe

outlook_win_path 1 IoCs

Processes:

4622942793ebac6a734337176a346809.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4622942793ebac6a734337176a346809.exe

C:\Users\Admin\AppData\Local\Temp\4622942793ebac6a734337176a346809.exe
"C:\Users\Admin\AppData\Local\Temp\4622942793ebac6a734337176a346809.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4992

C:\Users\Admin\AppData\Local\Temp\4622942793ebac6a734337176a346809.exe
"C:\Users\Admin\AppData\Local\Temp\4622942793ebac6a734337176a346809.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2496

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/2496-137-0x0000000000000000-mapping.dmp

Download
memory/2496-138-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2496-139-0x0000000005540000-0x00000000055A6000-memory.dmp

Filesize
408KB

Download
memory/2496-140-0x0000000006D20000-0x0000000006EE2000-memory.dmp

Filesize
1.8MB

Download
memory/4992-132-0x00000000000A0000-0x0000000000138000-memory.dmp

Filesize
608KB

Download
memory/4992-133-0x0000000005170000-0x0000000005714000-memory.dmp

Filesize
5.6MB

Download
memory/4992-134-0x0000000004AE0000-0x0000000004B72000-memory.dmp

Filesize
584KB

Download
memory/4992-135-0x0000000004B80000-0x0000000004B8A000-memory.dmp

Filesize
40KB

Download
memory/4992-136-0x0000000004EF0000-0x0000000004F8C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads