matiex | afe6c35494e440d20664ac7131d5218e4bb5ffc71730940af7a68bfd078c1dc0

General

Target

b43830bee32daf10983121b05b3c35bf.exe
Size

576KB
MD5

b43830bee32daf10983121b05b3c35bf
SHA1

d00b42c00ed3915834d41a3bb122b516a748c60f
SHA256

afe6c35494e440d20664ac7131d5218e4bb5ffc71730940af7a68bfd078c1dc0
SHA512

a50bb4c602d2e254d92e6ceeed8caed9f6c76f0b4be78dd349e82fa11d01b862f9679d8c2f6b93c87f043a67874ee77798172535d0806ac4171fb5737337d74b
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/844-60-0x0000000001F30000-0x0000000001FA2000-memory.dmp	family_matiex
behavioral1/memory/844-61-0x0000000000400000-0x0000000000482000-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\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b43830bee32daf10983121b05b3c35bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b43830bee32daf10983121b05b3c35bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b43830bee32daf10983121b05b3c35bf.exe

Looks up external IP address via web service 4 IoCs

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

flow	ioc
3	checkip.dyndns.org
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1500 set thread context of 844	1500	b43830bee32daf10983121b05b3c35bf.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1788	844	WerFault.exe	29

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
460	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1500	b43830bee32daf10983121b05b3c35bf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	844	b43830bee32daf10983121b05b3c35bf.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 1088	1500	b43830bee32daf10983121b05b3c35bf.exe	28
PID 1500 wrote to memory of 1088	1500	b43830bee32daf10983121b05b3c35bf.exe	28
PID 1500 wrote to memory of 1088	1500	b43830bee32daf10983121b05b3c35bf.exe	28
PID 1500 wrote to memory of 1088	1500	b43830bee32daf10983121b05b3c35bf.exe	28
PID 1500 wrote to memory of 844	1500	b43830bee32daf10983121b05b3c35bf.exe	29
PID 1500 wrote to memory of 844	1500	b43830bee32daf10983121b05b3c35bf.exe	29
PID 1500 wrote to memory of 844	1500	b43830bee32daf10983121b05b3c35bf.exe	29
PID 1500 wrote to memory of 844	1500	b43830bee32daf10983121b05b3c35bf.exe	29
PID 1500 wrote to memory of 844	1500	b43830bee32daf10983121b05b3c35bf.exe	29
PID 1088 wrote to memory of 460	1088	cmd.exe	30
PID 1088 wrote to memory of 460	1088	cmd.exe	30
PID 1088 wrote to memory of 460	1088	cmd.exe	30
PID 1088 wrote to memory of 460	1088	cmd.exe	30
PID 844 wrote to memory of 1788	844	b43830bee32daf10983121b05b3c35bf.exe	32
PID 844 wrote to memory of 1788	844	b43830bee32daf10983121b05b3c35bf.exe	32
PID 844 wrote to memory of 1788	844	b43830bee32daf10983121b05b3c35bf.exe	32
PID 844 wrote to memory of 1788	844	b43830bee32daf10983121b05b3c35bf.exe	32

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	b43830bee32daf10983121b05b3c35bf.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	b43830bee32daf10983121b05b3c35bf.exe

C:\Users\Admin\AppData\Local\Temp\b43830bee32daf10983121b05b3c35bf.exe
"C:\Users\Admin\AppData\Local\Temp\b43830bee32daf10983121b05b3c35bf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1500
- 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:1088
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:460
- C:\Users\Admin\AppData\Local\Temp\b43830bee32daf10983121b05b3c35bf.exe
  "C:\Users\Admin\AppData\Local\Temp\b43830bee32daf10983121b05b3c35bf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 1648
    3⤵
    - Program crash
    PID:1788

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/844-56-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

Download
memory/844-60-0x0000000001F30000-0x0000000001FA2000-memory.dmp

Filesize
456KB

Download
memory/844-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1500-57-0x000000000044A000-0x0000000000450000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads