matiex | 304fe28472a190be87a8ba280d25c15462adbe87dd31f60ce094fb01e2edbeb5

General

Target

67f1c7ac6d42dbef538d693299efe53f.exe
Size

576KB
MD5

67f1c7ac6d42dbef538d693299efe53f
SHA1

3f50db5ab472e4b3c26bbd29f8d0ca263aa2d206
SHA256

304fe28472a190be87a8ba280d25c15462adbe87dd31f60ce094fb01e2edbeb5
SHA512

986e01b9dbad0c9814681d1eb724d2dac2493da1a1d36513f32d8c72c8207f34e0618186526a13bd4bed75f6981ed29fbf97a39e599592050064e82d65dc7438
SSDEEP

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

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

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/964-59-0x0000000000400000-0x0000000000482000-memory.dmp	family_matiex
behavioral1/memory/964-61-0x0000000000890000-0x0000000000902000-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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67f1c7ac6d42dbef538d693299efe53f.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67f1c7ac6d42dbef538d693299efe53f.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67f1c7ac6d42dbef538d693299efe53f.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 1940 set thread context of 964	1940	67f1c7ac6d42dbef538d693299efe53f.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1832	964	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
1480	schtasks.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	67f1c7ac6d42dbef538d693299efe53f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	67f1c7ac6d42dbef538d693299efe53f.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1940	67f1c7ac6d42dbef538d693299efe53f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	964	67f1c7ac6d42dbef538d693299efe53f.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1292	1940	67f1c7ac6d42dbef538d693299efe53f.exe	28
PID 1940 wrote to memory of 1292	1940	67f1c7ac6d42dbef538d693299efe53f.exe	28
PID 1940 wrote to memory of 1292	1940	67f1c7ac6d42dbef538d693299efe53f.exe	28
PID 1940 wrote to memory of 1292	1940	67f1c7ac6d42dbef538d693299efe53f.exe	28
PID 1940 wrote to memory of 964	1940	67f1c7ac6d42dbef538d693299efe53f.exe	29
PID 1940 wrote to memory of 964	1940	67f1c7ac6d42dbef538d693299efe53f.exe	29
PID 1940 wrote to memory of 964	1940	67f1c7ac6d42dbef538d693299efe53f.exe	29
PID 1940 wrote to memory of 964	1940	67f1c7ac6d42dbef538d693299efe53f.exe	29
PID 1940 wrote to memory of 964	1940	67f1c7ac6d42dbef538d693299efe53f.exe	29
PID 1292 wrote to memory of 1480	1292	cmd.exe	30
PID 1292 wrote to memory of 1480	1292	cmd.exe	30
PID 1292 wrote to memory of 1480	1292	cmd.exe	30
PID 1292 wrote to memory of 1480	1292	cmd.exe	30
PID 964 wrote to memory of 1832	964	67f1c7ac6d42dbef538d693299efe53f.exe	32
PID 964 wrote to memory of 1832	964	67f1c7ac6d42dbef538d693299efe53f.exe	32
PID 964 wrote to memory of 1832	964	67f1c7ac6d42dbef538d693299efe53f.exe	32
PID 964 wrote to memory of 1832	964	67f1c7ac6d42dbef538d693299efe53f.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67f1c7ac6d42dbef538d693299efe53f.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67f1c7ac6d42dbef538d693299efe53f.exe

C:\Users\Admin\AppData\Local\Temp\67f1c7ac6d42dbef538d693299efe53f.exe
"C:\Users\Admin\AppData\Local\Temp\67f1c7ac6d42dbef538d693299efe53f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1940
- 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:1292
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:1480
- C:\Users\Admin\AppData\Local\Temp\67f1c7ac6d42dbef538d693299efe53f.exe
  "C:\Users\Admin\AppData\Local\Temp\67f1c7ac6d42dbef538d693299efe53f.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Modifies system certificate store
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:964
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 1640
    3⤵
    - Program crash
    PID:1832

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

Install Root Certificate

Modify Registry

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
64874be9f369ac711ed7544324818c9f

SHA1
6a28869bb2496b85316e729fff9f1ad47d86a3c3

SHA256
7e044c703725ec8c9d3d3aa2dd7fbadb79fc1d4548f87e4acf1ea5e5db94fb85

SHA512
4fdc481e33554babcd1ef18894876415b37b9f6c57c54015a71414b100574a06ac569e42f9d45e58561f53f0f09a4eb022ea8a884beed10f5f3d145f8579e44b

Download Submit
memory/964-56-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download
memory/964-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/964-61-0x0000000000890000-0x0000000000902000-memory.dmp

Filesize
456KB

Download
memory/1940-57-0x00000000002CA000-0x00000000002D0000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads