matiex | 687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf

General

Target
687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe
Size 668KB
Sample220508-ct3r2schc3
SHA256 687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf
MD5 f52ca29e6654da78370289212d5117f9
SHA1 2d0d029673966c5c98ff836f9c1a65d3826e91e6
SHA512 bb59acd8547fc69a19b9bd29a490b72ee248c8a57d5005b332cec45644f43cb4625f20099b2ac92b7cd0571bc350ad2c1513066b87afd15ea0121522d26169e9
MD5 SHA1 SHA512

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

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

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.

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1908 set thread context of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2880	3108	WerFault.exe	82

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3108	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	82
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	82
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	82
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	82
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	82
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	82
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	82
PID 1908 wrote to memory of 3108	1908	687f82ebf8ec4f6228e56174d85062d2e3c3c12250aa7479b67810d5240148bf.exe	82

outlook_office_path 1 IoCs

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

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 Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

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

Download

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

Download

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

Download

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

Download

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

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads