matiex | f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17

Analysis

max time kernel
121s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
09-03-2022 14:50

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General

Target

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
Size

858KB
MD5

10fb987bae3f8513ebd149657ba542ba
SHA1

c506b003b7c8a90501be33e4d7477cd0aa50f84d
SHA256

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17
SHA512

68afde759f6f4a5ccaa44260e96a0c56b53157e58ef9a933dbcded53d0125bc198422c86f16871fc130b836e1172ddd5fbb791a3d7d46ea1d37915cdb3c595b3

Score

10^/10

matiex collection evasion keylogger spyware stealer

Malware Config

Extracted

Family

matiex

https://api.telegram.org/bot1379319539:AAFQ7f96r1-8ijh6-Hym9Weh67R1ZdDQt0g/sendMessage?chat_id=1472166686

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
behavioral2/memory/4428-139-0x0000000000400000-0x0000000000478000-memory.dmp	family_matiex

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

Drops startup file 1 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AppData.url	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

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:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.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

33 checkip.dyndns.org
37 freegeoip.app
38 freegeoip.app

flow	ioc
33	checkip.dyndns.org
37	freegeoip.app
38	freegeoip.app

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	pid	process	target process
PID 2104 set thread context of 4428	2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exef63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

pid	process
2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
4428	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
4428	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
4428	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
4428	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
4428	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
4428	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
4428	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exef63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	pid	process
Token: SeDebugPrivilege	2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
Token: SeDebugPrivilege	4428	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

pid process

4428 f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

pid	process
4428	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exef63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	pid	process	target process
PID 2104 wrote to memory of 860	2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 2104 wrote to memory of 860	2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 2104 wrote to memory of 860	2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 2104 wrote to memory of 4428	2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 2104 wrote to memory of 4428	2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 2104 wrote to memory of 4428	2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 2104 wrote to memory of 4428	2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 2104 wrote to memory of 4428	2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 2104 wrote to memory of 4428	2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 2104 wrote to memory of 4428	2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 2104 wrote to memory of 4428	2104	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
PID 4428 wrote to memory of 4308	4428	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	netsh.exe
PID 4428 wrote to memory of 4308	4428	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	netsh.exe
PID 4428 wrote to memory of 4308	4428	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

outlook_win_path 1 IoCs

Processes:

f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe

C:\Users\Admin\AppData\Local\Temp\f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
"C:\Users\Admin\AppData\Local\Temp\f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104

C:\Users\Admin\AppData\Local\Temp\f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
"{path}"
2⤵
PID:860

C:\Users\Admin\AppData\Local\Temp\f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe
"{path}"
2⤵
- Drops startup file
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4428

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:4308

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f63f61ec94af821134ae2a1dd3fdf374f86a61316db15d044e0e343c41d99a17.exe.log
MD5
ddde88120da5a6e61cf1c0d1fc3f5c99

SHA1
aef94de11f90c3e6a99478c03d24aa355a6d0e52

SHA256
353067996dbacb8d3ae38dcc754d06b92e34b8511ebe2fda8c2358bbf6b79924

SHA512
64994ad92b4751bf3d580ec683e9387d9f05fe44bcb80c343470e992ac793f94f4811ab7c4f2e7240d40d5fe49df8191b781ef994a7c30df1f80940c7b06e8bd

Download Submit
memory/2104-136-0x0000000008AA0000-0x0000000008FCC000-memory.dmp

Filesize
5.2MB

Download
memory/2104-132-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/2104-133-0x0000000004CE0000-0x0000000004D72000-memory.dmp

Filesize
584KB

Download
memory/2104-134-0x0000000004CD0000-0x0000000004CDA000-memory.dmp

Filesize
40KB

Download
memory/2104-135-0x0000000004C00000-0x00000000051A4000-memory.dmp

Filesize
5.6MB

Download
memory/2104-130-0x0000000000230000-0x000000000030C000-memory.dmp

Filesize
880KB

Download
memory/2104-137-0x0000000009520000-0x00000000095BC000-memory.dmp

Filesize
624KB

Download
memory/2104-138-0x0000000009630000-0x0000000009696000-memory.dmp

Filesize
408KB

Download
memory/2104-131-0x00000000051B0000-0x0000000005754000-memory.dmp

Filesize
5.6MB

Download
memory/4428-139-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4428-141-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4428-142-0x0000000005940000-0x0000000005EE4000-memory.dmp

Filesize
5.6MB

Download
memory/4428-143-0x0000000007680000-0x0000000007842000-memory.dmp

Filesize
1.8MB

Download