matiex | 1fc8d11f8a504ef9c49b97bab892efdc45b6540458db3ad14f083f8ec19062a9

General

Target

1XrdOdPqR6jBVMu.exe
Size

507KB
MD5

e5a4d65f4234001c405be18760073317
SHA1

9aaf994aa6cee464fde60749d9a1aba698199b41
SHA256

021f4846815c6c2c0fcd2a808054c52c0569526bd4fb049b47ceb061e822d354
SHA512

27892695e298ac1be6f982b97be4a9da56ed31031c3cb83d8e98815d1676442672aa3626a8a14782e638fa988a96dcb3229c72356374f7193fc8ee7469fdcc69

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
kin.hosting-mexico.net
Port:
26
Username:
rm@timbradompresarial.com
Password:
VN=m3-pILg4f

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/4380-137-0x0000000000400000-0x0000000000472000-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 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:

1XrdOdPqR6jBVMu.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1XrdOdPqR6jBVMu.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1XrdOdPqR6jBVMu.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1XrdOdPqR6jBVMu.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

48 freegeoip.app
49 freegeoip.app
44 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

1XrdOdPqR6jBVMu.exe

description pid process target process

PID 4536 set thread context of 4380 4536 1XrdOdPqR6jBVMu.exe 1XrdOdPqR6jBVMu.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1464 4380 WerFault.exe 1XrdOdPqR6jBVMu.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

1XrdOdPqR6jBVMu.exe

pid process

4536 1XrdOdPqR6jBVMu.exe
4536 1XrdOdPqR6jBVMu.exe
4536 1XrdOdPqR6jBVMu.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1XrdOdPqR6jBVMu.exe1XrdOdPqR6jBVMu.exe

description pid process

Token: SeDebugPrivilege 4536 1XrdOdPqR6jBVMu.exe
Token: SeDebugPrivilege 4380 1XrdOdPqR6jBVMu.exe

flow	ioc
48	freegeoip.app
49	freegeoip.app
44	checkip.dyndns.org

description	pid	process	target process
PID 4536 set thread context of 4380	4536	1XrdOdPqR6jBVMu.exe	1XrdOdPqR6jBVMu.exe

pid	pid_target	process	target process
1464	4380	WerFault.exe	1XrdOdPqR6jBVMu.exe

pid	process
4536	1XrdOdPqR6jBVMu.exe
4536	1XrdOdPqR6jBVMu.exe
4536	1XrdOdPqR6jBVMu.exe

description	pid	process
Token: SeDebugPrivilege	4536	1XrdOdPqR6jBVMu.exe
Token: SeDebugPrivilege	4380	1XrdOdPqR6jBVMu.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1XrdOdPqR6jBVMu.exe

description	pid	process	target process
PID 4536 wrote to memory of 4380	4536	1XrdOdPqR6jBVMu.exe	1XrdOdPqR6jBVMu.exe
PID 4536 wrote to memory of 4380	4536	1XrdOdPqR6jBVMu.exe	1XrdOdPqR6jBVMu.exe
PID 4536 wrote to memory of 4380	4536	1XrdOdPqR6jBVMu.exe	1XrdOdPqR6jBVMu.exe
PID 4536 wrote to memory of 4380	4536	1XrdOdPqR6jBVMu.exe	1XrdOdPqR6jBVMu.exe
PID 4536 wrote to memory of 4380	4536	1XrdOdPqR6jBVMu.exe	1XrdOdPqR6jBVMu.exe
PID 4536 wrote to memory of 4380	4536	1XrdOdPqR6jBVMu.exe	1XrdOdPqR6jBVMu.exe
PID 4536 wrote to memory of 4380	4536	1XrdOdPqR6jBVMu.exe	1XrdOdPqR6jBVMu.exe
PID 4536 wrote to memory of 4380	4536	1XrdOdPqR6jBVMu.exe	1XrdOdPqR6jBVMu.exe

outlook_office_path 1 IoCs

Processes:

1XrdOdPqR6jBVMu.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1XrdOdPqR6jBVMu.exe

outlook_win_path 1 IoCs

Processes:

1XrdOdPqR6jBVMu.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1XrdOdPqR6jBVMu.exe

C:\Users\Admin\AppData\Local\Temp\1XrdOdPqR6jBVMu.exe
"C:\Users\Admin\AppData\Local\Temp\1XrdOdPqR6jBVMu.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4536

C:\Users\Admin\AppData\Local\Temp\1XrdOdPqR6jBVMu.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 2012
3⤵
- Program crash
PID:1464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4380 -ip 4380
1⤵
PID:4448

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/4380-136-0x0000000000000000-mapping.dmp

Download
memory/4380-137-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/4380-138-0x0000000004E00000-0x0000000004E66000-memory.dmp

Filesize
408KB

Download
memory/4536-130-0x0000000000DF0000-0x0000000000E76000-memory.dmp

Filesize
536KB

Download
memory/4536-131-0x0000000005E50000-0x00000000063F4000-memory.dmp

Filesize
5.6MB

Download
memory/4536-132-0x0000000005940000-0x00000000059D2000-memory.dmp

Filesize
584KB

Download
memory/4536-133-0x0000000005810000-0x000000000581A000-memory.dmp

Filesize
40KB

Download
memory/4536-134-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/4536-135-0x0000000008640000-0x00000000086DC000-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