matiex | 687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf

General

Target

687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe
Size

668KB
MD5

f52ca29e6654da78370289212d5117f9
SHA1

2d0d029673966c5c98ff836f9c1a65d3826e91e6
SHA256

687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf
SHA512

bb59acd8547fc69a19b9bd29a490b72ee248c8a57d5005b332cec45644f43cb4625f20099b2ac92b7cd0571bc350ad2c1513066b87afd15ea0121522d26169e9

Score

10^/10

matiex collection keylogger stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
srvc13.turhost.com
Port:
587
Username:
[email protected]
Password:
italik2015

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/3108-132-0x0000000000400000-0x0000000000472000-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-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\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

27 checkip.dyndns.org
29 freegeoip.app
30 freegeoip.app

flow	ioc
27	checkip.dyndns.org
29	freegeoip.app
30	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

Processes:

687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe

description	pid	process	target process
PID 1908 set thread context of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	MSBuild.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2880 3108 WerFault.exe MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 3108 MSBuild.exe

pid	pid_target	process	target process
2880	3108	WerFault.exe	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	3108	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe

description	pid	process	target process
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	MSBuild.exe
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	MSBuild.exe
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	MSBuild.exe
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	MSBuild.exe
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	MSBuild.exe
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	MSBuild.exe
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	MSBuild.exe
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.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	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.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	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe
"C:\Users\Admin\AppData\Local\Temp\687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Users\Admin\AppData\Local\Temp\687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3108 -s 1988
3⤵
- Program crash
PID:2880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3108 -ip 3108
1⤵
PID:4640

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/1908-130-0x0000000000990000-0x00000000009CF000-memory.dmp

Filesize
252KB

Download
memory/3108-131-0x0000000000000000-mapping.dmp

Download
memory/3108-132-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/3108-133-0x0000000005360000-0x00000000053FC000-memory.dmp

Filesize
624KB

Download
memory/3108-134-0x00000000059B0000-0x0000000005F54000-memory.dmp

Filesize
5.6MB

Download
memory/3108-135-0x0000000005400000-0x0000000005466000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads