matiex | e7465dd8e5586b02206eb42b4e814d2cfe0df1af6b8295507c741f0d04f59a8a

General

Target

ad9e2f6721193598cb32a4db4fde4161.exe
Size

640KB
MD5

ad9e2f6721193598cb32a4db4fde4161
SHA1

c387c92a11336fd6011a0e9eeea0110a89132385
SHA256

e7465dd8e5586b02206eb42b4e814d2cfe0df1af6b8295507c741f0d04f59a8a
SHA512

957a456664785a1c9b194389f3e15e4ab282b63f88a352bd7eaae7bc0637f9986dd3291f7d4e2c9df97c390e2ce91dc3475428946dada9b1836f5a58a20feadf
SSDEEP

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

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/1844-62-0x0000000000400000-0x0000000000482000-memory.dmp	family_matiex
behavioral1/memory/1844-63-0x0000000001D20000-0x0000000001D92000-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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ad9e2f6721193598cb32a4db4fde4161.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ad9e2f6721193598cb32a4db4fde4161.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ad9e2f6721193598cb32a4db4fde4161.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
8	freegeoip.app
9	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 940 set thread context of 1844	940	ad9e2f6721193598cb32a4db4fde4161.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1704	1844	WerFault.exe	31

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
1500	schtasks.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1516	ad9e2f6721193598cb32a4db4fde4161.exe
940	ad9e2f6721193598cb32a4db4fde4161.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1844	ad9e2f6721193598cb32a4db4fde4161.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1980	1516	ad9e2f6721193598cb32a4db4fde4161.exe	28
PID 1516 wrote to memory of 1980	1516	ad9e2f6721193598cb32a4db4fde4161.exe	28
PID 1516 wrote to memory of 1980	1516	ad9e2f6721193598cb32a4db4fde4161.exe	28
PID 1516 wrote to memory of 1980	1516	ad9e2f6721193598cb32a4db4fde4161.exe	28
PID 1516 wrote to memory of 1868	1516	ad9e2f6721193598cb32a4db4fde4161.exe	29
PID 1516 wrote to memory of 1868	1516	ad9e2f6721193598cb32a4db4fde4161.exe	29
PID 1516 wrote to memory of 1868	1516	ad9e2f6721193598cb32a4db4fde4161.exe	29
PID 1516 wrote to memory of 1868	1516	ad9e2f6721193598cb32a4db4fde4161.exe	29
PID 1516 wrote to memory of 940	1516	ad9e2f6721193598cb32a4db4fde4161.exe	30
PID 1516 wrote to memory of 940	1516	ad9e2f6721193598cb32a4db4fde4161.exe	30
PID 1516 wrote to memory of 940	1516	ad9e2f6721193598cb32a4db4fde4161.exe	30
PID 1516 wrote to memory of 940	1516	ad9e2f6721193598cb32a4db4fde4161.exe	30
PID 940 wrote to memory of 1844	940	ad9e2f6721193598cb32a4db4fde4161.exe	31
PID 940 wrote to memory of 1844	940	ad9e2f6721193598cb32a4db4fde4161.exe	31
PID 940 wrote to memory of 1844	940	ad9e2f6721193598cb32a4db4fde4161.exe	31
PID 940 wrote to memory of 1844	940	ad9e2f6721193598cb32a4db4fde4161.exe	31
PID 940 wrote to memory of 1844	940	ad9e2f6721193598cb32a4db4fde4161.exe	31
PID 1980 wrote to memory of 1500	1980	cmd.exe	32
PID 1980 wrote to memory of 1500	1980	cmd.exe	32
PID 1980 wrote to memory of 1500	1980	cmd.exe	32
PID 1980 wrote to memory of 1500	1980	cmd.exe	32
PID 1844 wrote to memory of 1704	1844	ad9e2f6721193598cb32a4db4fde4161.exe	34
PID 1844 wrote to memory of 1704	1844	ad9e2f6721193598cb32a4db4fde4161.exe	34
PID 1844 wrote to memory of 1704	1844	ad9e2f6721193598cb32a4db4fde4161.exe	34
PID 1844 wrote to memory of 1704	1844	ad9e2f6721193598cb32a4db4fde4161.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ad9e2f6721193598cb32a4db4fde4161.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ad9e2f6721193598cb32a4db4fde4161.exe

C:\Users\Admin\AppData\Local\Temp\ad9e2f6721193598cb32a4db4fde4161.exe
"C:\Users\Admin\AppData\Local\Temp\ad9e2f6721193598cb32a4db4fde4161.exe"
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1516
- 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:1980
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:1500
- C:\Users\Admin\AppData\Local\Temp\ad9e2f6721193598cb32a4db4fde4161.exe
  "C:\Users\Admin\AppData\Local\Temp\ad9e2f6721193598cb32a4db4fde4161.exe"
  2⤵
  PID:1868
- C:\Users\Admin\AppData\Local\Temp\ad9e2f6721193598cb32a4db4fde4161.exe
  "C:\Users\Admin\AppData\Local\Temp\ad9e2f6721193598cb32a4db4fde4161.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:940
- - C:\Users\Admin\AppData\Local\Temp\ad9e2f6721193598cb32a4db4fde4161.exe
    "C:\Users\Admin\AppData\Local\Temp\ad9e2f6721193598cb32a4db4fde4161.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - outlook_office_path
    - outlook_win_path
    PID:1844
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 1644
      4⤵
      Program crash
      PID:1704

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
dea070bce66d1fbc1feb65e7103d19dd

SHA1
9ec51066ac265a0fdf400d26d19cb844a01e4d27

SHA256
d2262af5148f92c65ca685d63e78873dd781ce5dd220a3f16407b58213304386

SHA512
97574217239bfb9f3c15141b25b2576db45d72db2c68b6b41d8c1e55b462b03ce7420553ac4df6b99c636358ce18d553a9be59fad802451ce1ba1aad5a5a0df6

Download Submit
memory/940-59-0x00000000004FA000-0x0000000000500000-memory.dmp

Filesize
24KB

Download
memory/1516-56-0x000000000049A000-0x00000000004A0000-memory.dmp

Filesize
24KB

Download
memory/1844-60-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1844-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1844-63-0x0000000001D20000-0x0000000001D92000-memory.dmp

Filesize
456KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads