matiex | af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae

Analysis

max time kernel
4294180s
max time network
146s
platform
windows7_x64
resource
win7-20220311-en
submitted
24-03-2022 20:03

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General

Target

af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
Size

468KB
MD5

6d054ce190fd0da92b895d7cb5397b03
SHA1

3bd56aa669000a6c19223bda713dc313f8279771
SHA256

af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae
SHA512

58697957dde090133d027b13a18d462c786ac41c11c32faef0b2751e30b37530e0ec9368c3beac6f4077e1d42f89a1a76eb95cacf3c93a2b0d5e8411fcec2e29

Score

10^/10

matiex collection evasion keylogger spyware stealer

Malware Config

Extracted

Family

matiex

https://api.telegram.org/bot1428011164:AAFKIFGek20EZJPbNxOt7K2R-Cf-IiVGehs/sendMessage?chat_id=1280541017

Signatures

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

Matiex Main Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1968-61-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1968-60-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1968-62-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1968-63-0x0000000000471F5E-mapping.dmp	family_matiex
behavioral1/memory/1968-65-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1968-67-0x0000000000400000-0x0000000000476000-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:

af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

Drops startup file 1 IoCs

Processes:

af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AppData.url	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.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:

af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.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

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:

af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

description	pid	process	target process
PID 1808 set thread context of 1968	1808	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

pid	process
1968	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
1968	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
1968	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
1968	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
1968	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
1968	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
1968	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

description pid process

Token: SeDebugPrivilege 1968 af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

description	pid	process
Token: SeDebugPrivilege	1968	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exeaf5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

description	pid	process	target process
PID 1808 wrote to memory of 1968	1808	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
PID 1808 wrote to memory of 1968	1808	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
PID 1808 wrote to memory of 1968	1808	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
PID 1808 wrote to memory of 1968	1808	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
PID 1808 wrote to memory of 1968	1808	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
PID 1808 wrote to memory of 1968	1808	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
PID 1808 wrote to memory of 1968	1808	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
PID 1808 wrote to memory of 1968	1808	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
PID 1808 wrote to memory of 1968	1808	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
PID 1968 wrote to memory of 284	1968	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	netsh.exe
PID 1968 wrote to memory of 284	1968	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	netsh.exe
PID 1968 wrote to memory of 284	1968	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	netsh.exe
PID 1968 wrote to memory of 284	1968	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

outlook_win_path 1 IoCs

Processes:

af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe

C:\Users\Admin\AppData\Local\Temp\af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
"C:\Users\Admin\AppData\Local\Temp\af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1808

C:\Users\Admin\AppData\Local\Temp\af5294cacf991f14f15ce90f8be38188b54e46d4fd1d8f509f946d8cde3ef3ae.exe
"{path}"
2⤵
- Drops startup file
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1968

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:284

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

memory/284-69-0x0000000076AC1000-0x0000000076AC3000-memory.dmp

Filesize
8KB

Download
memory/284-68-0x0000000000000000-mapping.dmp

Download
memory/1808-54-0x0000000001290000-0x000000000130A000-memory.dmp

Filesize
488KB

Download
memory/1808-55-0x0000000000990000-0x00000000009A4000-memory.dmp

Filesize
80KB

Download
memory/1808-56-0x00000000081E0000-0x0000000008296000-memory.dmp

Filesize
728KB

Download
memory/1968-60-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1968-61-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1968-62-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1968-63-0x0000000000471F5E-mapping.dmp

Download
memory/1968-65-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1968-67-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1968-58-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1968-57-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download