matiex | 0cd96a2654e91bcc1de8b58be478885306f814da7b0c28d55f159a8735833c2b

General

Target

2fqBWgZQeAgkbCH.exe
Size

1.1MB
MD5

72dfd1d599cce598e8b87177b6d1073b
SHA1

b2cc4bb5696df68719a5cd459c1bab81c7c736c4
SHA256

0cd96a2654e91bcc1de8b58be478885306f814da7b0c28d55f159a8735833c2b
SHA512

41f8f121d00ad0be34bf7c7cc6457b84b52ae9f1ce0494206a8247490eab5d7069a910d60c1cdcda2ffc65f4e8421345704565130ea63a95bf27a6c4d842e15e

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1769394961:AAF5BB35akL859CwVaXypIqpVsGWlaKvi7A/sendMessage?chat_id=1735544933

Signatures

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

Matiex Main Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1112-62-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1112-63-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1112-64-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1112-65-0x0000000000400000-0x0000000000476000-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:

2fqBWgZQeAgkbCH.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2fqBWgZQeAgkbCH.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2fqBWgZQeAgkbCH.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2fqBWgZQeAgkbCH.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:

2fqBWgZQeAgkbCH.exe

description pid process target process

PID 1144 set thread context of 1112 1144 2fqBWgZQeAgkbCH.exe 2fqBWgZQeAgkbCH.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1628 1112 WerFault.exe 2fqBWgZQeAgkbCH.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

2fqBWgZQeAgkbCH.exeWerFault.exe

pid process

1144 2fqBWgZQeAgkbCH.exe
1144 2fqBWgZQeAgkbCH.exe
1628 WerFault.exe
1628 WerFault.exe
1628 WerFault.exe
1628 WerFault.exe
1628 WerFault.exe

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

description	pid	process	target process
PID 1144 set thread context of 1112	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe

pid	pid_target	process	target process
1628	1112	WerFault.exe	2fqBWgZQeAgkbCH.exe

pid	process
1144	2fqBWgZQeAgkbCH.exe
1144	2fqBWgZQeAgkbCH.exe
1628	WerFault.exe
1628	WerFault.exe
1628	WerFault.exe
1628	WerFault.exe
1628	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2fqBWgZQeAgkbCH.exe2fqBWgZQeAgkbCH.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	1144	2fqBWgZQeAgkbCH.exe
Token: SeDebugPrivilege	1112	2fqBWgZQeAgkbCH.exe
Token: SeDebugPrivilege	1628	WerFault.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

2fqBWgZQeAgkbCH.exe2fqBWgZQeAgkbCH.exe

description	pid	process	target process
PID 1144 wrote to memory of 1296	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe
PID 1144 wrote to memory of 1296	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe
PID 1144 wrote to memory of 1296	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe
PID 1144 wrote to memory of 1296	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe
PID 1144 wrote to memory of 1112	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe
PID 1144 wrote to memory of 1112	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe
PID 1144 wrote to memory of 1112	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe
PID 1144 wrote to memory of 1112	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe
PID 1144 wrote to memory of 1112	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe
PID 1144 wrote to memory of 1112	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe
PID 1144 wrote to memory of 1112	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe
PID 1144 wrote to memory of 1112	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe
PID 1144 wrote to memory of 1112	1144	2fqBWgZQeAgkbCH.exe	2fqBWgZQeAgkbCH.exe
PID 1112 wrote to memory of 1628	1112	2fqBWgZQeAgkbCH.exe	WerFault.exe
PID 1112 wrote to memory of 1628	1112	2fqBWgZQeAgkbCH.exe	WerFault.exe
PID 1112 wrote to memory of 1628	1112	2fqBWgZQeAgkbCH.exe	WerFault.exe
PID 1112 wrote to memory of 1628	1112	2fqBWgZQeAgkbCH.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

2fqBWgZQeAgkbCH.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2fqBWgZQeAgkbCH.exe

outlook_win_path 1 IoCs

Processes:

2fqBWgZQeAgkbCH.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2fqBWgZQeAgkbCH.exe

C:\Users\Admin\AppData\Local\Temp\2fqBWgZQeAgkbCH.exe
"C:\Users\Admin\AppData\Local\Temp\2fqBWgZQeAgkbCH.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1144

C:\Users\Admin\AppData\Local\Temp\2fqBWgZQeAgkbCH.exe
"C:\Users\Admin\AppData\Local\Temp\2fqBWgZQeAgkbCH.exe"
2⤵
PID:1296

C:\Users\Admin\AppData\Local\Temp\2fqBWgZQeAgkbCH.exe
"C:\Users\Admin\AppData\Local\Temp\2fqBWgZQeAgkbCH.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1820
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1628

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

Replay Monitor

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Downloads

memory/1112-63-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1112-62-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1112-66-0x00000000059B0000-0x00000000059B1000-memory.dmp

Filesize
4KB

Download
memory/1112-65-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1112-61-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1112-64-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1112-60-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1144-55-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1144-59-0x00000000057B0000-0x00000000058B4000-memory.dmp

Filesize
1.0MB

Download
memory/1144-54-0x0000000000F80000-0x00000000010AC000-memory.dmp

Filesize
1.2MB

Download
memory/1144-58-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/1144-57-0x00000000005B0000-0x00000000005BE000-memory.dmp

Filesize
56KB

Download
memory/1144-56-0x0000000004E00000-0x0000000004E01000-memory.dmp

Filesize
4KB

Download
memory/1628-68-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads