matiex | 43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7

General

Target

43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe
Size

606KB
MD5

cade845aeef6b7efa5bedaec0cfbf3dd
SHA1

f82b1f1ab56e35f73e36978d762db8c55cc8acd5
SHA256

43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7
SHA512

18ae7f55e723112996dd0dd47aa26a95cefc257b6c775c3404ca9656be7a01ac8453cbf04ce7143289ec97efae89837a795d9e0ef513bfa773263543cc75df0b

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
srvc13.turhost.com
Port:
587
Username:
[email protected]
Password:
italik2015

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
behavioral1/memory/1108-61-0x0000000000500000-0x0000000000576000-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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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:

43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe
Key opened	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe
Key opened	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.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

4 checkip.dyndns.org
8 freegeoip.app
9 freegeoip.app

flow	ioc
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

Processes:

43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

description	pid	process	target process
PID 1916 set thread context of 1108	1916	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.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

1448 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

pid process

1108 43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

pid process

1916 43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

description pid process

Token: SeDebugPrivilege 1108 43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

pid	process
1448	schtasks.exe

pid	process
1108	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

pid	process
1916	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

description	pid	process
Token: SeDebugPrivilege	1108	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.execmd.exe43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

description	pid	process	target process
PID 1916 wrote to memory of 1612	1916	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	cmd.exe
PID 1916 wrote to memory of 1612	1916	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	cmd.exe
PID 1916 wrote to memory of 1612	1916	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	cmd.exe
PID 1916 wrote to memory of 1612	1916	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	cmd.exe
PID 1916 wrote to memory of 1108	1916	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe
PID 1916 wrote to memory of 1108	1916	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe
PID 1916 wrote to memory of 1108	1916	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe
PID 1916 wrote to memory of 1108	1916	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe
PID 1916 wrote to memory of 1108	1916	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe
PID 1612 wrote to memory of 1448	1612	cmd.exe	schtasks.exe
PID 1612 wrote to memory of 1448	1612	cmd.exe	schtasks.exe
PID 1612 wrote to memory of 1448	1612	cmd.exe	schtasks.exe
PID 1612 wrote to memory of 1448	1612	cmd.exe	schtasks.exe
PID 1108 wrote to memory of 1828	1108	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	netsh.exe
PID 1108 wrote to memory of 1828	1108	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	netsh.exe
PID 1108 wrote to memory of 1828	1108	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	netsh.exe
PID 1108 wrote to memory of 1828	1108	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

outlook_win_path 1 IoCs

Processes:

43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe

C:\Users\Admin\AppData\Local\Temp\43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe
"C:\Users\Admin\AppData\Local\Temp\43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\cmd.exe
  cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\9aa69471a2df40a0858b2e3d548c5149.xml"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1612
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\9aa69471a2df40a0858b2e3d548c5149.xml"
    3⤵
    - Creates scheduled task(s)
    PID:1448
- C:\Users\Admin\AppData\Local\Temp\43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe
  "C:\Users\Admin\AppData\Local\Temp\43b38b03a4d508d069883de17b26ec4d6c3100f2a283e7b54034dc92775797f7.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1108
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:1828

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

3

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\9aa69471a2df40a0858b2e3d548c5149.xml

MD5
64c93af47c479be893f61afbc7472015

SHA1
400cd9cef7c8ab678063601c23c72453f1c10f16

SHA256
5bc83f04478cccb2c3bb4934f73efa55b8603924f671fcd647712c71f68bbc27

SHA512
500f5d3604859abdc602ad89fc4bf3cd4adfbce0c0d29714b17b473929d5b06cff67c4d44deed0166bc90a486d0c404f4e857073c4657efefaa2e431f8b64fe4

Download Submit
memory/1108-56-0x000000000040188B-mapping.dmp

Download
memory/1108-61-0x0000000000500000-0x0000000000576000-memory.dmp

Filesize
472KB

Download
memory/1448-58-0x0000000000000000-mapping.dmp

Download
memory/1612-55-0x0000000000000000-mapping.dmp

Download
memory/1828-62-0x0000000000000000-mapping.dmp

Download
memory/1916-54-0x00000000760A1000-0x00000000760A3000-memory.dmp

Filesize
8KB

Download
memory/1916-59-0x00000000003CA000-0x00000000003CF000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads