matiex | c744fe5aa2ab646ac1a0583348316b13bf7ad12435edeb658aa5e0f09e494b89

General

Target

FACTURA-9vUVHazo9RuSJpH.exe
Size

1.1MB
MD5

92955191ebfb02ef2f3fe33dbd6094ca
SHA1

2fecac06772d210574f44bfef91aeae8f0860a31
SHA256

c744fe5aa2ab646ac1a0583348316b13bf7ad12435edeb658aa5e0f09e494b89
SHA512

77d0354e0ba06d826810e50bd78898da79efe102ece81eac3fdd46cd60c57f8c9192ea805f945c1d76181d524eb859409bcc82ea7143a5d4f8a210e737540b01

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
serv3.devmexico.com
Port:
587
Username:
[email protected]
Password:
3}l^pI#_4K_!

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
serv3.devmexico.com
Port:
587
Username:
[email protected]
Password:
3}l^pI#_4K_!
Email To:
[email protected]

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/1420-126-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACTURA-9vUVHazo9RuSJpH.exe
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACTURA-9vUVHazo9RuSJpH.exe
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACTURA-9vUVHazo9RuSJpH.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
36	checkip.dyndns.org
38	freegeoip.app
39	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1188 set thread context of 1420	1188	FACTURA-9vUVHazo9RuSJpH.exe	70

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1188	FACTURA-9vUVHazo9RuSJpH.exe
1188	FACTURA-9vUVHazo9RuSJpH.exe
1420	FACTURA-9vUVHazo9RuSJpH.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1188	FACTURA-9vUVHazo9RuSJpH.exe
Token: SeDebugPrivilege	1420	FACTURA-9vUVHazo9RuSJpH.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 1500	1188	FACTURA-9vUVHazo9RuSJpH.exe	69
PID 1188 wrote to memory of 1500	1188	FACTURA-9vUVHazo9RuSJpH.exe	69
PID 1188 wrote to memory of 1500	1188	FACTURA-9vUVHazo9RuSJpH.exe	69
PID 1188 wrote to memory of 1420	1188	FACTURA-9vUVHazo9RuSJpH.exe	70
PID 1188 wrote to memory of 1420	1188	FACTURA-9vUVHazo9RuSJpH.exe	70
PID 1188 wrote to memory of 1420	1188	FACTURA-9vUVHazo9RuSJpH.exe	70
PID 1188 wrote to memory of 1420	1188	FACTURA-9vUVHazo9RuSJpH.exe	70
PID 1188 wrote to memory of 1420	1188	FACTURA-9vUVHazo9RuSJpH.exe	70
PID 1188 wrote to memory of 1420	1188	FACTURA-9vUVHazo9RuSJpH.exe	70
PID 1188 wrote to memory of 1420	1188	FACTURA-9vUVHazo9RuSJpH.exe	70
PID 1188 wrote to memory of 1420	1188	FACTURA-9vUVHazo9RuSJpH.exe	70

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACTURA-9vUVHazo9RuSJpH.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACTURA-9vUVHazo9RuSJpH.exe

C:\Users\Admin\AppData\Local\Temp\FACTURA-9vUVHazo9RuSJpH.exe
"C:\Users\Admin\AppData\Local\Temp\FACTURA-9vUVHazo9RuSJpH.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\FACTURA-9vUVHazo9RuSJpH.exe
  "C:\Users\Admin\AppData\Local\Temp\FACTURA-9vUVHazo9RuSJpH.exe"
  2⤵
  PID:1500
- C:\Users\Admin\AppData\Local\Temp\FACTURA-9vUVHazo9RuSJpH.exe
  "C:\Users\Admin\AppData\Local\Temp\FACTURA-9vUVHazo9RuSJpH.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1420

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1188-121-0x0000000005000000-0x00000000054FE000-memory.dmp

Filesize
5.0MB

Download
memory/1188-120-0x00000000050E0000-0x0000000005172000-memory.dmp

Filesize
584KB

Download
memory/1188-118-0x0000000000790000-0x00000000008AA000-memory.dmp

Filesize
1.1MB

Download
memory/1188-122-0x0000000005190000-0x000000000519A000-memory.dmp

Filesize
40KB

Download
memory/1188-123-0x0000000005340000-0x000000000534C000-memory.dmp

Filesize
48KB

Download
memory/1188-124-0x0000000007AF0000-0x0000000007B8C000-memory.dmp

Filesize
624KB

Download
memory/1188-125-0x0000000007D80000-0x0000000007E38000-memory.dmp

Filesize
736KB

Download
memory/1188-119-0x0000000005500000-0x00000000059FE000-memory.dmp

Filesize
5.0MB

Download
memory/1420-126-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1420-128-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/1420-129-0x0000000005440000-0x000000000593E000-memory.dmp

Filesize
5.0MB

Download
memory/1420-130-0x0000000006C10000-0x0000000006DD2000-memory.dmp

Filesize
1.8MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads