matiex | c56e1cb494b6e10bfa87e5e7fef8a6ba8665888851ba9a0414fd3b54eba14959

General

Target

ab1a2739a4592069e79419ade33a167d.exe
Size

576KB
MD5

ab1a2739a4592069e79419ade33a167d
SHA1

8ce904d93207c9fec1052095d9319bf2697eca29
SHA256

c56e1cb494b6e10bfa87e5e7fef8a6ba8665888851ba9a0414fd3b54eba14959
SHA512

2d78c8794963f7f332720e1c3f21c1690afebf276293af5366189be328c2aec9e994142c209925f2430f4c5f6cc3b870839170d8922f8998529fbc5db1fe3438
SSDEEP

12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZo:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pc5

Score

10^/10

matiex collection keylogger spyware 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 2 IoCs

resource	yara_rule
behavioral1/memory/1948-60-0x0000000000670000-0x00000000006E2000-memory.dmp	family_matiex
behavioral1/memory/1948-61-0x0000000000400000-0x0000000000482000-memory.dmp	family_matiex

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab1a2739a4592069e79419ade33a167d.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab1a2739a4592069e79419ade33a167d.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab1a2739a4592069e79419ade33a167d.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
3	checkip.dyndns.org
7	freegeoip.app
8	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1376 set thread context of 1948	1376	ab1a2739a4592069e79419ade33a167d.exe	28

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1120	1948	WerFault.exe	28

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
988	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1376	ab1a2739a4592069e79419ade33a167d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	ab1a2739a4592069e79419ade33a167d.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 1932	1376	ab1a2739a4592069e79419ade33a167d.exe	27
PID 1376 wrote to memory of 1932	1376	ab1a2739a4592069e79419ade33a167d.exe	27
PID 1376 wrote to memory of 1932	1376	ab1a2739a4592069e79419ade33a167d.exe	27
PID 1376 wrote to memory of 1932	1376	ab1a2739a4592069e79419ade33a167d.exe	27
PID 1376 wrote to memory of 1948	1376	ab1a2739a4592069e79419ade33a167d.exe	28
PID 1376 wrote to memory of 1948	1376	ab1a2739a4592069e79419ade33a167d.exe	28
PID 1376 wrote to memory of 1948	1376	ab1a2739a4592069e79419ade33a167d.exe	28
PID 1376 wrote to memory of 1948	1376	ab1a2739a4592069e79419ade33a167d.exe	28
PID 1376 wrote to memory of 1948	1376	ab1a2739a4592069e79419ade33a167d.exe	28
PID 1932 wrote to memory of 988	1932	cmd.exe	29
PID 1932 wrote to memory of 988	1932	cmd.exe	29
PID 1932 wrote to memory of 988	1932	cmd.exe	29
PID 1932 wrote to memory of 988	1932	cmd.exe	29
PID 1948 wrote to memory of 1120	1948	ab1a2739a4592069e79419ade33a167d.exe	31
PID 1948 wrote to memory of 1120	1948	ab1a2739a4592069e79419ade33a167d.exe	31
PID 1948 wrote to memory of 1120	1948	ab1a2739a4592069e79419ade33a167d.exe	31
PID 1948 wrote to memory of 1120	1948	ab1a2739a4592069e79419ade33a167d.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab1a2739a4592069e79419ade33a167d.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab1a2739a4592069e79419ade33a167d.exe

C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe
"C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Windows\SysWOW64\cmd.exe
  cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:988
- C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe
  "C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 1636
    3⤵
    - Program crash
    PID:1120

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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

C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml

Filesize
1KB

MD5
7086cb83fbe8f9c4859464704db9558e

SHA1
2dd0fea86eac7715ef0b46dab4cc259e240ec224

SHA256
eb8504ac30a92943ecb81b6496f5565c5a3fe28daa110bfa48f2db1cb626ae02

SHA512
9209ffbcaaeb6ff18d6996f474a2842d362efbe78f1761941674c7176fd7c0ea9aa9af575b3f011d4c1b183dee9a30ab1214bf1f75f9bb695a796ea8cddf04a6

Download Submit
memory/1376-56-0x000000000036A000-0x0000000000370000-memory.dmp

Filesize
24KB

Download
memory/1948-57-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/1948-60-0x0000000000670000-0x00000000006E2000-memory.dmp

Filesize
456KB

Download
memory/1948-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads