matiex | 205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1

General

Target

205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe
Size

714KB
MD5

c31ef8a4e6c0320263b90436ca3236be
SHA1

90ba9958ec278f51a6f2bfc99c0de908d3d4fa5b
SHA256

205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1
SHA512

e78054eea698da91e6b85e60e83e940bf8fd88b73ad08031831d9a85b097c5e55d066cde0792ec87c1c5e248fb04fee36a96c85891b2dd14e4a334ff69ad6b24

Score

10^/10

matiex collection keylogger stealer

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot\MK-Voice.mp3/sendMessage?chat_id=A

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/1704-62-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex
behavioral1/memory/1704-63-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex
behavioral1/memory/1704-65-0x000000000046DC7E-mapping.dmp	family_matiex
behavioral1/memory/1704-64-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex
behavioral1/memory/1704-67-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex
behavioral1/memory/1704-69-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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

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

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe

description	pid	process	target process
PID 952 set thread context of 1704	952	205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe	MSBuild.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

388 1704 WerFault.exe MSBuild.exe

pid	pid_target	process	target process
388	1704	WerFault.exe	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe

pid	process
952	205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe
952	205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exeMSBuild.exe

description	pid	process
Token: SeDebugPrivilege	952	205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe
Token: SeDebugPrivilege	1704	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exeMSBuild.exe

description	pid	process	target process
PID 952 wrote to memory of 1704	952	205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe	MSBuild.exe
PID 952 wrote to memory of 1704	952	205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe	MSBuild.exe
PID 952 wrote to memory of 1704	952	205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe	MSBuild.exe
PID 952 wrote to memory of 1704	952	205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe	MSBuild.exe
PID 952 wrote to memory of 1704	952	205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe	MSBuild.exe
PID 952 wrote to memory of 1704	952	205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe	MSBuild.exe
PID 952 wrote to memory of 1704	952	205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe	MSBuild.exe
PID 952 wrote to memory of 1704	952	205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe	MSBuild.exe
PID 952 wrote to memory of 1704	952	205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe	MSBuild.exe
PID 1704 wrote to memory of 388	1704	MSBuild.exe	WerFault.exe
PID 1704 wrote to memory of 388	1704	MSBuild.exe	WerFault.exe
PID 1704 wrote to memory of 388	1704	MSBuild.exe	WerFault.exe
PID 1704 wrote to memory of 388	1704	MSBuild.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe
"C:\Users\Admin\AppData\Local\Temp\205146ce59425a87371d53d6a5ff9be127a2914b3e931361065ba56d7f84acc1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:952

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 1744
3⤵
- Program crash
PID:388

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/388-71-0x0000000000000000-mapping.dmp

Download
memory/952-54-0x0000000001180000-0x0000000001238000-memory.dmp

Filesize
736KB

Download
memory/952-55-0x00000000769D1000-0x00000000769D3000-memory.dmp

Filesize
8KB

Download
memory/952-56-0x0000000000220000-0x000000000022A000-memory.dmp

Filesize
40KB

Download
memory/952-57-0x0000000000E20000-0x0000000000E90000-memory.dmp

Filesize
448KB

Download
memory/952-58-0x00000000056D0000-0x000000000577A000-memory.dmp

Filesize
680KB

Download
memory/1704-60-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1704-62-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1704-63-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1704-65-0x000000000046DC7E-mapping.dmp

Download
memory/1704-64-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1704-67-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1704-69-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1704-59-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads