matiex | 382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7

Analysis

max time kernel
166s
max time network
204s
platform
windows10-2004_x64
resource
win10v2004-20220331-en
submitted
27-03-2022 01:09

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General

Target

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
Size

418KB
MD5

1fb9ed11df573b8d7b760c35555303f8
SHA1

0ff20a1f73b225c8efc056fd38bbc71b7110a666
SHA256

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7
SHA512

7ab5dd57f8969570537e89397b8151e0f9eb3e99da73c53a403c0aa92806729a2bc7b9e35e9d669057e9a24d6bce20254dd6cc1937e545ec7db30c57c6f9af1d

Score

10^/10

matiex collection evasion keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: ftp
Host:
ftp://ftp.diamondassetinvest.com/
Port:
21
Username:
[email protected]
Password:
Kilimanjaro@123

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/3532-134-0x0000000000400000-0x0000000000478000-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:

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\Control Panel\International\Geo\Nation	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

Drops startup file 1 IoCs

Processes:

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\appdata.url	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.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:

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
Key opened	\REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
Key opened	\REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.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

12 checkip.dyndns.org
14 freegeoip.app
15 freegeoip.app

flow	ioc
12	checkip.dyndns.org
14	freegeoip.app
15	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:

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

description	pid	process	target process
PID 2780 set thread context of 3532	2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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

4928 schtasks.exe

pid	process
4928	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

pid	process
2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
3532	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
3532	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
3532	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
3532	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
3532	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
3532	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
3532	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

description	pid	process
Token: SeDebugPrivilege	2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
Token: SeDebugPrivilege	3532	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

pid process

3532 382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

pid	process
3532	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

description	pid	process	target process
PID 2780 wrote to memory of 4928	2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	schtasks.exe
PID 2780 wrote to memory of 4928	2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	schtasks.exe
PID 2780 wrote to memory of 4928	2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	schtasks.exe
PID 2780 wrote to memory of 3532	2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
PID 2780 wrote to memory of 3532	2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
PID 2780 wrote to memory of 3532	2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
PID 2780 wrote to memory of 3532	2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
PID 2780 wrote to memory of 3532	2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
PID 2780 wrote to memory of 3532	2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
PID 2780 wrote to memory of 3532	2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
PID 2780 wrote to memory of 3532	2780	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
PID 3532 wrote to memory of 5016	3532	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	netsh.exe
PID 3532 wrote to memory of 5016	3532	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	netsh.exe
PID 3532 wrote to memory of 5016	3532	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

outlook_win_path 1 IoCs

Processes:

382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe

C:\Users\Admin\AppData\Local\Temp\382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe
"C:\Users\Admin\AppData\Local\Temp\382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe"
1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HXdZwyHsW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3728.tmp"
2⤵
- Creates scheduled task(s)
PID:4928

C:\Users\Admin\AppData\Local\Temp\382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.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:3532

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:5016

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

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\382292e13fba8db3e1e50b6d7e604274a70c07418e09fa9b3b1532b20df6c6d7.exe.log
Filesize
1KB

MD5
531595e2b5f12461e210c410faf46d37

SHA1
4c163e51d2a43c5514f4064dd3bc9e9470ed752c

SHA256
40b7c802bfe6623c91a471cb1525738c9bc6e38125d3ea4c73b26f468ca83b51

SHA512
ac815c417c53b6a04415f022655ee4fe014f9f80c540b0b595e3dfc4e744458c2eaee5d535a14bc488a27afb5b53e5289eca23434fd1ba10ae231ae6678d1e6b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3728.tmp
Filesize
1KB

MD5
6e49d8d1ec268e3d244d8944e4db16bf

SHA1
0ed336d3993bb8608963db5229395460470b890f

SHA256
255c0ff718fc0967c1c6232baaf6fd1120f8cbadc377e0e04ea057672635f6ab

SHA512
bb758adc19147b40b95297d7cf7501f5ca09eda29967802505fac93ac2a0a67e3a545796a49d3d5cbd20bab33f07685dbb101e074d35725c2a55e6fd7340e3a4

Download Submit
memory/2780-130-0x0000000006CF0000-0x0000000006D56000-memory.dmp

Filesize
408KB

Download
memory/2780-127-0x00000000050E0000-0x00000000050EA000-memory.dmp

Filesize
40KB

Download
memory/2780-128-0x000000000A360000-0x000000000A88C000-memory.dmp

Filesize
5.2MB

Download
memory/2780-129-0x0000000006880000-0x000000000691C000-memory.dmp

Filesize
624KB

Download
memory/2780-124-0x0000000000180000-0x00000000001F2000-memory.dmp

Filesize
456KB

Download
memory/2780-126-0x0000000005100000-0x0000000005192000-memory.dmp

Filesize
584KB

Download
memory/2780-125-0x00000000054D0000-0x0000000005A74000-memory.dmp

Filesize
5.6MB

Download
memory/3532-133-0x0000000000000000-mapping.dmp

Download
memory/3532-134-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3532-137-0x00000000075C0000-0x0000000007782000-memory.dmp

Filesize
1.8MB

Download
memory/4928-131-0x0000000000000000-mapping.dmp

Download
memory/5016-136-0x0000000000000000-mapping.dmp

Download