matiex | 149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325

General

Target

149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe
Size

716KB
MD5

5bbc4c13ea38c58d5c3c2bc8f558f800
SHA1

65075202a7a44b7d2735ad44869d49f59373e615
SHA256

149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325
SHA512

cff4c12ee90eef55ab5f75e3f15c7f5f78ef44706bc3bffc05afcfca45bba39b66aa5a6602b0aef036d62e5eb4211fae434df3f76f09ab84cdc505b5950e0bcd
SSDEEP

12288:lXcqhWkdzkMWzcw9OsOSsyRvy1u7kqtf2ssp2JcPpHL4JiV8qGV3wGa7Y8vh4HZI:lXc/SzGzc8OsO9yRvlD2ssp2eRHksiG5

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 3 IoCs

resource	yara_rule
behavioral1/memory/2648-4-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex
behavioral1/memory/2648-6-0x0000000000400000-0x0000000000484000-memory.dmp	family_matiex
behavioral1/memory/2648-10-0x0000000000C40000-0x0000000000CB6000-memory.dmp	family_matiex

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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 2 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
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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.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
2	checkip.dyndns.org
4	freegeoip.app
5	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2956 set thread context of 2648	2956	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	33

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2808	2648	WerFault.exe	33

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	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.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
2748	schtasks.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2956	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2184	2956	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	31
PID 2956 wrote to memory of 2184	2956	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	31
PID 2956 wrote to memory of 2184	2956	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	31
PID 2956 wrote to memory of 2184	2956	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	31
PID 2956 wrote to memory of 2648	2956	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	33
PID 2956 wrote to memory of 2648	2956	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	33
PID 2956 wrote to memory of 2648	2956	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	33
PID 2956 wrote to memory of 2648	2956	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	33
PID 2956 wrote to memory of 2648	2956	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	33
PID 2184 wrote to memory of 2748	2184	cmd.exe	34
PID 2184 wrote to memory of 2748	2184	cmd.exe	34
PID 2184 wrote to memory of 2748	2184	cmd.exe	34
PID 2184 wrote to memory of 2748	2184	cmd.exe	34
PID 2648 wrote to memory of 2808	2648	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	36
PID 2648 wrote to memory of 2808	2648	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	36
PID 2648 wrote to memory of 2808	2648	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	36
PID 2648 wrote to memory of 2808	2648	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe

C:\Users\Admin\AppData\Local\Temp\149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe
"C:\Users\Admin\AppData\Local\Temp\149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2956
- 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:2184
- - 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:2748
- C:\Users\Admin\AppData\Local\Temp\149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.exe
  "C:\Users\Admin\AppData\Local\Temp\149aa5d2591be26a7f66ec6c6443e94301efc3f1c0dad83c6dc34e49b22ee325N.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:2648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 1048
    3⤵
    - Program crash
    PID:2808

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
3c8ee5ed0d92c3d97ff2384f1b63e507

SHA1
eadd27365dbec77c201bae24ee0765c465e1d0e7

SHA256
e28136d78c4c10362ffc53ebc7af13627fa25c9600338178b74eac40d0facd02

SHA512
2c8150c32cfd0850431f7fc980a6dff55df430726a25109c4c5952140900b84877d5ca020d0a467cb06615c2d8eb358fe0373278a7303191b26d00a33ac4f562

Download Submit
memory/2648-4-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2648-6-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2648-8-0x0000000000DF0000-0x0000000000EA6000-memory.dmp

Filesize
728KB

Download
memory/2648-10-0x0000000000C40000-0x0000000000CB6000-memory.dmp

Filesize
472KB

Download
memory/2956-3-0x0000000000E14000-0x0000000000E1A000-memory.dmp

Filesize
24KB

Download
memory/2956-0-0x0000000000DF0000-0x0000000000EA6000-memory.dmp

Filesize
728KB

Download
memory/2956-7-0x0000000000E14000-0x0000000000E1A000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads