matiex | 1807e512982567e3f7ca8c7a6c5597bd5e87a60851397c3f8df4942ab32a6ba7

General

Target

d62a5bbe50d4c4030054da940a9b2f02.exe
Size

710KB
MD5

d62a5bbe50d4c4030054da940a9b2f02
SHA1

03423f80c126ad81faaa84f03405625686282bbd
SHA256

1807e512982567e3f7ca8c7a6c5597bd5e87a60851397c3f8df4942ab32a6ba7
SHA512

84eed665d3e09093c284a3bbd3eeefc62664ca9037e09a74b363c3b12b3490e0415eb49d0b0a584e5b9d4a069fec6cab40117927f8e45ca71d02e8a48cce21e1
SSDEEP

12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZoCzZWpfb:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pcN

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

resource	yara_rule
behavioral2/memory/4236-139-0x0000000000400000-0x0000000000482000-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-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d62a5bbe50d4c4030054da940a9b2f02.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d62a5bbe50d4c4030054da940a9b2f02.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d62a5bbe50d4c4030054da940a9b2f02.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
5	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2268 set thread context of 4236	2268	d62a5bbe50d4c4030054da940a9b2f02.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1400	4236	WerFault.exe	82

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
452	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2268	d62a5bbe50d4c4030054da940a9b2f02.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4236	d62a5bbe50d4c4030054da940a9b2f02.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 388	2268	d62a5bbe50d4c4030054da940a9b2f02.exe	81
PID 2268 wrote to memory of 388	2268	d62a5bbe50d4c4030054da940a9b2f02.exe	81
PID 2268 wrote to memory of 388	2268	d62a5bbe50d4c4030054da940a9b2f02.exe	81
PID 2268 wrote to memory of 4236	2268	d62a5bbe50d4c4030054da940a9b2f02.exe	82
PID 2268 wrote to memory of 4236	2268	d62a5bbe50d4c4030054da940a9b2f02.exe	82
PID 2268 wrote to memory of 4236	2268	d62a5bbe50d4c4030054da940a9b2f02.exe	82
PID 2268 wrote to memory of 4236	2268	d62a5bbe50d4c4030054da940a9b2f02.exe	82
PID 388 wrote to memory of 452	388	cmd.exe	83
PID 388 wrote to memory of 452	388	cmd.exe	83
PID 388 wrote to memory of 452	388	cmd.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d62a5bbe50d4c4030054da940a9b2f02.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d62a5bbe50d4c4030054da940a9b2f02.exe

C:\Users\Admin\AppData\Local\Temp\d62a5bbe50d4c4030054da940a9b2f02.exe
"C:\Users\Admin\AppData\Local\Temp\d62a5bbe50d4c4030054da940a9b2f02.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2268
- 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:388
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:452
- C:\Users\Admin\AppData\Local\Temp\d62a5bbe50d4c4030054da940a9b2f02.exe
  "C:\Users\Admin\AppData\Local\Temp\d62a5bbe50d4c4030054da940a9b2f02.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4236 -s 1636
    3⤵
    - Program crash
    PID:1400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4236 -ip 4236
1⤵
PID:1384

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
55dde6d4d97c64cba35b6d2c78a6508c

SHA1
673a780e4cc091904388404eae441cad1f55366f

SHA256
708bb85d40fd6c5d3b70c6c6c36a13f03a16d4accedecf5acee6da60a1afead5

SHA512
582adf57f1195087aee4e2d50281a3444d2b85930340a441a0a829e2f6aefa41acce5dbf9d05ab43c0395018d859f22e084ac8a1ae6ffd2a9154b8884c4223ab

Download Submit
memory/388-132-0x0000000000000000-mapping.dmp

Download
memory/452-134-0x0000000000000000-mapping.dmp

Download
memory/2268-135-0x00000000001AB000-0x00000000001B0000-memory.dmp

Filesize
20KB

Download
memory/4236-133-0x0000000000000000-mapping.dmp

Download
memory/4236-137-0x0000000005830000-0x00000000058CC000-memory.dmp

Filesize
624KB

Download
memory/4236-138-0x0000000005E80000-0x0000000006424000-memory.dmp

Filesize
5.6MB

Download
memory/4236-139-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4236-140-0x0000000005940000-0x00000000059A6000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads