matiex | 5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d

General

Target

5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe
Size

639KB
MD5

dc0ed8e25f63bf8096d14a057bc2eb9a
SHA1

e80f035f2275d5ec31e89aa605336e144728009f
SHA256

5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d
SHA512

35a9b3ccab095fc043b7f12f82f0a6e0af1654d359e0bfd5cb2721c32bfd443cdc32d253074906c5b2386f5f23f5187c4ff28dad315af65d5a59037cf2b0fe81
SSDEEP

12288:uU5oLiN77m7I4jWi4tWUbOZTKKNmFv9sfQqKonZu1vA7FQuZdiU2F:uU5oLSKDjOtW6OZTKKNcvUFKOZYQFd8r

Score

10^/10

matiex collection credential_access discovery keylogger spyware stealer

Malware Config

Signatures

Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
stealer keylogger matiex

Matiex Main payload 5 IoCs

resource	yara_rule
behavioral1/memory/3020-10-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex
behavioral1/memory/3020-8-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex
behavioral1/memory/3020-13-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex
behavioral1/memory/2236-11-0x0000000000400000-0x0000000000557000-memory.dmp	family_matiex
behavioral1/memory/3020-15-0x0000000002080000-0x00000000020F6000-memory.dmp	family_matiex

Matiex 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
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.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
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2236 set thread context of 3020	2236	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	32

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2716	3020	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2432	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2236	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2548	2236	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	30
PID 2236 wrote to memory of 2548	2236	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	30
PID 2236 wrote to memory of 2548	2236	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	30
PID 2236 wrote to memory of 2548	2236	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	30
PID 2236 wrote to memory of 3020	2236	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	32
PID 2236 wrote to memory of 3020	2236	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	32
PID 2236 wrote to memory of 3020	2236	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	32
PID 2236 wrote to memory of 3020	2236	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	32
PID 2236 wrote to memory of 3020	2236	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	32
PID 2548 wrote to memory of 2432	2548	cmd.exe	33
PID 2548 wrote to memory of 2432	2548	cmd.exe	33
PID 2548 wrote to memory of 2432	2548	cmd.exe	33
PID 2548 wrote to memory of 2432	2548	cmd.exe	33
PID 3020 wrote to memory of 2716	3020	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	36
PID 3020 wrote to memory of 2716	3020	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	36
PID 3020 wrote to memory of 2716	3020	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	36
PID 3020 wrote to memory of 2716	3020	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe

C:\Users\Admin\AppData\Local\Temp\5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe
"C:\Users\Admin\AppData\Local\Temp\5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\cmd.exe
  cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\e8fb1ebd850140caa97509d1d746dfb1.xml"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\e8fb1ebd850140caa97509d1d746dfb1.xml"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2432
- C:\Users\Admin\AppData\Local\Temp\5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe
  "C:\Users\Admin\AppData\Local\Temp\5f74df0262704454d03c2c4c25313bd4fa6dc7af0d254c78d025eb98a25a395d.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:3020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 1144
    3⤵
    - Program crash
    PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\e8fb1ebd850140caa97509d1d746dfb1.xml

Filesize
1KB

MD5
c5b8074a0853b9c7203a171f12f28a36

SHA1
cb640ccae818eb83d4dda5989f2418b6a01f0451

SHA256
0207e47e84b2982530336c9ee115ca8104b4538abce824878e626b3e1ab26724

SHA512
05cd476005a6931b69173dd48eb6f1ab0fa774a23d64aafcc44280f8246d91a2c64111c36a1b503a9bbf9955008164ca0f5b0fca75447a51a515c1f3762793cb

Download Submit
memory/2236-11-0x0000000000400000-0x0000000000557000-memory.dmp

Filesize
1.3MB

Download
memory/2236-3-0x0000000000400000-0x0000000000557000-memory.dmp

Filesize
1.3MB

Download
memory/2236-7-0x0000000000424000-0x000000000042A000-memory.dmp

Filesize
24KB

Download
memory/2236-4-0x0000000000400000-0x0000000000557000-memory.dmp

Filesize
1.3MB

Download
memory/2236-12-0x0000000000424000-0x000000000042A000-memory.dmp

Filesize
24KB

Download
memory/2236-0-0x0000000000400000-0x0000000000557000-memory.dmp

Filesize
1.3MB

Download
memory/2236-1-0x0000000000400000-0x0000000000557000-memory.dmp

Filesize
1.3MB

Download
memory/3020-10-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/3020-8-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/3020-13-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/3020-15-0x0000000002080000-0x00000000020F6000-memory.dmp

Filesize
472KB

Download
memory/3020-17-0x0000000000490000-0x00000000004F7000-memory.dmp

Filesize
412KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads