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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4976-135-0x0000000000400000-0x0000000000482000-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

Processes:

67f1c7ac6d42dbef538d693299efe53f.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67f1c7ac6d42dbef538d693299efe53f.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67f1c7ac6d42dbef538d693299efe53f.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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.

Processes:

flow ioc

9 checkip.dyndns.org
11 freegeoip.app
12 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

67f1c7ac6d42dbef538d693299efe53f.exe

description pid process target process

PID 3644 set thread context of 4976 3644 67f1c7ac6d42dbef538d693299efe53f.exe 67f1c7ac6d42dbef538d693299efe53f.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3708 4976 WerFault.exe 67f1c7ac6d42dbef538d693299efe53f.exe
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

Processes:

schtasks.exe

pid process

5032 schtasks.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

67f1c7ac6d42dbef538d693299efe53f.exe

pid process

3644 67f1c7ac6d42dbef538d693299efe53f.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

67f1c7ac6d42dbef538d693299efe53f.exe

description pid process

Token: SeDebugPrivilege 4976 67f1c7ac6d42dbef538d693299efe53f.exe

flow	ioc
9	checkip.dyndns.org
11	freegeoip.app
12	freegeoip.app

description	pid	process	target process
PID 3644 set thread context of 4976	3644	67f1c7ac6d42dbef538d693299efe53f.exe	67f1c7ac6d42dbef538d693299efe53f.exe

pid	pid_target	process	target process
3708	4976	WerFault.exe	67f1c7ac6d42dbef538d693299efe53f.exe

pid	process
5032	schtasks.exe

pid	process
3644	67f1c7ac6d42dbef538d693299efe53f.exe

description	pid	process
Token: SeDebugPrivilege	4976	67f1c7ac6d42dbef538d693299efe53f.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

67f1c7ac6d42dbef538d693299efe53f.execmd.exe

description	pid	process	target process
PID 3644 wrote to memory of 5040	3644	67f1c7ac6d42dbef538d693299efe53f.exe	cmd.exe
PID 3644 wrote to memory of 5040	3644	67f1c7ac6d42dbef538d693299efe53f.exe	cmd.exe
PID 3644 wrote to memory of 5040	3644	67f1c7ac6d42dbef538d693299efe53f.exe	cmd.exe
PID 3644 wrote to memory of 4976	3644	67f1c7ac6d42dbef538d693299efe53f.exe	67f1c7ac6d42dbef538d693299efe53f.exe
PID 3644 wrote to memory of 4976	3644	67f1c7ac6d42dbef538d693299efe53f.exe	67f1c7ac6d42dbef538d693299efe53f.exe
PID 3644 wrote to memory of 4976	3644	67f1c7ac6d42dbef538d693299efe53f.exe	67f1c7ac6d42dbef538d693299efe53f.exe
PID 3644 wrote to memory of 4976	3644	67f1c7ac6d42dbef538d693299efe53f.exe	67f1c7ac6d42dbef538d693299efe53f.exe
PID 5040 wrote to memory of 5032	5040	cmd.exe	schtasks.exe
PID 5040 wrote to memory of 5032	5040	cmd.exe	schtasks.exe
PID 5040 wrote to memory of 5032	5040	cmd.exe	schtasks.exe

outlook_office_path 1 IoCs

Processes:

67f1c7ac6d42dbef538d693299efe53f.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67f1c7ac6d42dbef538d693299efe53f.exe

outlook_win_path 1 IoCs

Processes:

67f1c7ac6d42dbef538d693299efe53f.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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:3644

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:5040

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
3⤵
- Creates scheduled task(s)
PID:5032

C:\Users\Admin\AppData\Local\Temp\67f1c7ac6d42dbef538d693299efe53f.exe
"C:\Users\Admin\AppData\Local\Temp\67f1c7ac6d42dbef538d693299efe53f.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 1884
3⤵
- Program crash
PID:3708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4976 -ip 4976
1⤵
PID:1068

Network

MITRE ATT&CK Matrix ATT&CK 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

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
4be752c56909c7493e070314682b2583

SHA1
43f400e45ae141dace48a2647fc1732acb669a97

SHA256
8ef8266aeb236c0387489b85ca4ea25481ca1575ec24d94a7458771e1d91177e

SHA512
ca4887ffbc436f01ea9c976ee22339f911ba38d02613991209fe4b972f397b91b091c2ead8ec9ac9e40b28a406f095190e33da91ba3db98807bec6eb4027ad71

Download Submit
memory/3644-134-0x00000000003EA000-0x00000000003F0000-memory.dmp

Filesize
24KB

Download
memory/4976-133-0x0000000000000000-mapping.dmp

Download
memory/4976-135-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4976-138-0x0000000005110000-0x00000000051AC000-memory.dmp

Filesize
624KB

Download
memory/4976-139-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/4976-140-0x0000000005220000-0x0000000005286000-memory.dmp

Filesize
408KB

Download
memory/5032-136-0x0000000000000000-mapping.dmp

Download
memory/5040-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads