matiex | b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877

Analysis

max time kernel
4294180s
max time network
137s
platform
windows7_x64
resource
win7-20220311-en
submitted
19-03-2022 12:17

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General

Target

b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
Size

449KB
MD5

0fefe78a6c226caf79629cd3548a97ba
SHA1

9e054c90cf8f18f2303c209590475f596bcc56bf
SHA256

b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877
SHA512

e79aa0ef473d6ec6bc8f87567c2a5a81c2ec157637c8899c5a74aadd8ea8dd3cc9897ae07aba778aa827f079c78aa5ebf28839890e37e23a6bb98a842be6cd2e

Score

10^/10

matiex collection evasion keylogger spyware stealer

Malware Config

Extracted

Family

matiex

https://api.telegram.org/bot1474029845:AAESF02q0JZytndFFaKINAGOHrylDk8NpJA/sendMessage?chat_id=1481651786

Signatures

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

Matiex Main Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/288-63-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/288-65-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/288-67-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/288-71-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/288-69-0x0000000000400000-0x0000000000476000-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:

b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

Drops startup file 1 IoCs

Processes:

b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AppData.url	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.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:

b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.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	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.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:

b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

description	pid	process	target process
PID 832 set thread context of 288	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exeb0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

pid	process
832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
288	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
288	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
288	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
288	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
288	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
288	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
288	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exeb0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

description	pid	process
Token: SeDebugPrivilege	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
Token: SeDebugPrivilege	288	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exeb0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

outlook_office_path 1 IoCs

Processes:

b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.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	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

outlook_win_path 1 IoCs

Processes:

b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.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	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe

C:\Users\Admin\AppData\Local\Temp\b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
"C:\Users\Admin\AppData\Local\Temp\b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.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:832

C:\Users\Admin\AppData\Local\Temp\b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
"{path}"
2⤵
PID:1108

C:\Users\Admin\AppData\Local\Temp\b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
"{path}"
2⤵
PID:1556

C:\Users\Admin\AppData\Local\Temp\b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.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:288

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1616

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/288-67-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/288-71-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/288-73-0x00000000055C0000-0x00000000055C1000-memory.dmp

Filesize
4KB

Download
memory/288-72-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/288-69-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/288-59-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/288-63-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/288-65-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/288-61-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/832-54-0x00000000002D0000-0x0000000000346000-memory.dmp

Filesize
472KB

Download
memory/832-56-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

Filesize
4KB

Download
memory/832-58-0x0000000007E00000-0x0000000007EB8000-memory.dmp

Filesize
736KB

Download
memory/832-57-0x0000000000460000-0x0000000000474000-memory.dmp

Filesize
80KB

Download
memory/832-55-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/1616-74-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download

description	pid	process	target process
PID 832 wrote to memory of 1108	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 1108	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 1108	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 1108	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 1556	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 1556	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 1556	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 1556	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 288	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 288	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 288	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 288	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 288	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 288	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 288	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 288	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 832 wrote to memory of 288	832	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe
PID 288 wrote to memory of 1616	288	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	netsh.exe
PID 288 wrote to memory of 1616	288	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	netsh.exe
PID 288 wrote to memory of 1616	288	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	netsh.exe
PID 288 wrote to memory of 1616	288	b0677e12d72e6db277aec45035d4fdf1e7c2530716dbb569d273174eccec4877.exe	netsh.exe