matiex | 3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7

General

Target
3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe
Size 551KB
Sample220419-pjrcgsbed7
SHA256 3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7
MD5 3eb6593e42fb0f63c30f5215994074b1
SHA1 208c3a6c75b7b6b2f4a3ee93396b76cb9251896f
SHA512 e853bace4a7532c4fe12c4ec6e9f45d668e9376c3b3ecbec739bc3db458f68697d7812771caad35f1f6e2b70eae0ddf10815e2bbc5ab4d7ed307a2db6d7f530d
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/1988-132-0x0000000000400000-0x0000000000472000-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\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
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

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
21	freegeoip.app
19	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5060 set thread context of 1988	5060	3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3236	1988	WerFault.exe	83

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5060	3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	MSBuild.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 1988	5060	3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe	83
PID 5060 wrote to memory of 1988	5060	3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe	83
PID 5060 wrote to memory of 1988	5060	3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe	83
PID 5060 wrote to memory of 1988	5060	3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe	83

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\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe
"C:\Users\Admin\AppData\Local\Temp\3f444cc8ccb0bebbb6539b98d64e8fed19e2f7e6f950d18d63e9e8716012ccb7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5060
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 1708
    3⤵
    - Program crash
    PID:3236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1988 -ip 1988
1⤵
PID:4952

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/1988-132-0x0000000000400000-0x0000000000472000-memory.dmp

Download

memory/1988-133-0x0000000005770000-0x000000000580C000-memory.dmp

Download

memory/1988-134-0x0000000005E20000-0x00000000063C4000-memory.dmp

Download

memory/1988-135-0x00000000058E0000-0x0000000005946000-memory.dmp

Download

memory/5060-130-0x0000000000800000-0x0000000000824000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads