matiex | 9fe57643fb90f5f1ca560a6a9861296d58290795f061f22b15dd19dcfeb882bc

General

Target

638d983d397e9ce408d91ae82b632106.exe
Size

640KB
MD5

638d983d397e9ce408d91ae82b632106
SHA1

477a1c06ff37abf3494373de86cfbf2d44d6bc1f
SHA256

9fe57643fb90f5f1ca560a6a9861296d58290795f061f22b15dd19dcfeb882bc
SHA512

04053481e52235cc3b6f2a21ccfd92ad9c448c80c9560ecd9ea03a0c9d771843e6830b03a0c9a2ec488a6855e0f13470f4beef3ef14608587850ecc92965e2c5
SSDEEP

12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZoCzZW:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pcQ

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/1500-60-0x0000000000BC0000-0x0000000000C32000-memory.dmp	family_matiex
behavioral1/memory/1500-61-0x0000000000400000-0x0000000000482000-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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	638d983d397e9ce408d91ae82b632106.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	638d983d397e9ce408d91ae82b632106.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	638d983d397e9ce408d91ae82b632106.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 1728 set thread context of 1500	1728	638d983d397e9ce408d91ae82b632106.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1052	1500	WerFault.exe	30

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
1428	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1728	638d983d397e9ce408d91ae82b632106.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1500	638d983d397e9ce408d91ae82b632106.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1928	1728	638d983d397e9ce408d91ae82b632106.exe	29
PID 1728 wrote to memory of 1928	1728	638d983d397e9ce408d91ae82b632106.exe	29
PID 1728 wrote to memory of 1928	1728	638d983d397e9ce408d91ae82b632106.exe	29
PID 1728 wrote to memory of 1928	1728	638d983d397e9ce408d91ae82b632106.exe	29
PID 1728 wrote to memory of 1500	1728	638d983d397e9ce408d91ae82b632106.exe	30
PID 1728 wrote to memory of 1500	1728	638d983d397e9ce408d91ae82b632106.exe	30
PID 1728 wrote to memory of 1500	1728	638d983d397e9ce408d91ae82b632106.exe	30
PID 1728 wrote to memory of 1500	1728	638d983d397e9ce408d91ae82b632106.exe	30
PID 1928 wrote to memory of 1428	1928	cmd.exe	31
PID 1928 wrote to memory of 1428	1928	cmd.exe	31
PID 1928 wrote to memory of 1428	1928	cmd.exe	31
PID 1928 wrote to memory of 1428	1928	cmd.exe	31
PID 1728 wrote to memory of 1500	1728	638d983d397e9ce408d91ae82b632106.exe	30
PID 1500 wrote to memory of 1052	1500	638d983d397e9ce408d91ae82b632106.exe	33
PID 1500 wrote to memory of 1052	1500	638d983d397e9ce408d91ae82b632106.exe	33
PID 1500 wrote to memory of 1052	1500	638d983d397e9ce408d91ae82b632106.exe	33
PID 1500 wrote to memory of 1052	1500	638d983d397e9ce408d91ae82b632106.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	638d983d397e9ce408d91ae82b632106.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	638d983d397e9ce408d91ae82b632106.exe

C:\Users\Admin\AppData\Local\Temp\638d983d397e9ce408d91ae82b632106.exe
"C:\Users\Admin\AppData\Local\Temp\638d983d397e9ce408d91ae82b632106.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1728
- 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:1928
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:1428
- C:\Users\Admin\AppData\Local\Temp\638d983d397e9ce408d91ae82b632106.exe
  "C:\Users\Admin\AppData\Local\Temp\638d983d397e9ce408d91ae82b632106.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1500
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 1644
    3⤵
    - Program crash
    PID:1052

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
d5bd64d2ac9ae40cfab7c76d8122a152

SHA1
622d2876fb0aaad2e41459d01aad6d67b21aca84

SHA256
1dbff8e235fa9910e2ff5e484ffe044453f7facadf89890852610b299aa75f29

SHA512
58c62c6c95803daa779112da7d41885b3a11ab8cb1f5f381e45d7203adf03d91b4475c7be9cb1359e1b73688e6f7b0d577a7a9d557495151a7ba79c2958a00bf

Download Submit
memory/1500-57-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1500-60-0x0000000000BC0000-0x0000000000C32000-memory.dmp

Filesize
456KB

Download
memory/1500-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1728-58-0x00000000002AA000-0x00000000002B0000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads