matiex | 2026239c3cabfeae27fabc93031453a0af2bb4e18275bb0ee9d9ed467d3ae303

General

Target

PO# 2366.exe
Size

562KB
MD5

87ea6faf43f55191b84e9be3da3bb730
SHA1

5d61fdb034fe227740428dd8f025c6ef06c6d7d8
SHA256

2026239c3cabfeae27fabc93031453a0af2bb4e18275bb0ee9d9ed467d3ae303
SHA512

10160f0e589681e6eac32e60cbca665fc01e728d305659154e2e121b0ede7dc3c9dc7bf101fafbc158e9806a46573944dd3ced2eb07b0eafa9e53790c9bf9c14

Score

10^/10

matiex keylogger spyware stealer

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1277090811:AAHJ1mutkv0Wr1_9949BBcb3lR-DuRKH5RU/sendMessage?chat_id=1216524090

Signatures

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

Matiex Main Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2032-28-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex
behavioral1/memory/2032-29-0x000000000046DDDE-mapping.dmp	family_matiex
behavioral1/memory/2032-30-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex
behavioral1/memory/2032-31-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nuey.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nuey.exe	Powershell.exe

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
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

5 checkip.dyndns.org
10 freegeoip.app
11 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO# 2366.exe

description pid process target process

PID 1040 set thread context of 2032 1040 PO# 2366.exe PO# 2366.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Powershell.exePO# 2366.exe

pid process

1224 Powershell.exe
1224 Powershell.exe
2032 PO# 2366.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Powershell.exePO# 2366.exe

description pid process

Token: SeDebugPrivilege 1224 Powershell.exe
Token: SeDebugPrivilege 2032 PO# 2366.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO# 2366.exe

pid process

2032 PO# 2366.exe

flow	ioc
5	checkip.dyndns.org
10	freegeoip.app
11	freegeoip.app

description	pid	process	target process
PID 1040 set thread context of 2032	1040	PO# 2366.exe	PO# 2366.exe

pid	process
1224	Powershell.exe
1224	Powershell.exe
2032	PO# 2366.exe

description	pid	process
Token: SeDebugPrivilege	1224	Powershell.exe
Token: SeDebugPrivilege	2032	PO# 2366.exe

pid	process
2032	PO# 2366.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO# 2366.exe

description	pid	process	target process
PID 1040 wrote to memory of 1224	1040	PO# 2366.exe	Powershell.exe
PID 1040 wrote to memory of 1224	1040	PO# 2366.exe	Powershell.exe
PID 1040 wrote to memory of 1224	1040	PO# 2366.exe	Powershell.exe
PID 1040 wrote to memory of 1224	1040	PO# 2366.exe	Powershell.exe
PID 1040 wrote to memory of 2032	1040	PO# 2366.exe	PO# 2366.exe
PID 1040 wrote to memory of 2032	1040	PO# 2366.exe	PO# 2366.exe
PID 1040 wrote to memory of 2032	1040	PO# 2366.exe	PO# 2366.exe
PID 1040 wrote to memory of 2032	1040	PO# 2366.exe	PO# 2366.exe
PID 1040 wrote to memory of 2032	1040	PO# 2366.exe	PO# 2366.exe
PID 1040 wrote to memory of 2032	1040	PO# 2366.exe	PO# 2366.exe
PID 1040 wrote to memory of 2032	1040	PO# 2366.exe	PO# 2366.exe
PID 1040 wrote to memory of 2032	1040	PO# 2366.exe	PO# 2366.exe
PID 1040 wrote to memory of 2032	1040	PO# 2366.exe	PO# 2366.exe

C:\Users\Admin\AppData\Local\Temp\PO# 2366.exe
"C:\Users\Admin\AppData\Local\Temp\PO# 2366.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1040

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\PO# 2366.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nuey.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1224

C:\Users\Admin\AppData\Local\Temp\PO# 2366.exe
"C:\Users\Admin\AppData\Local\Temp\PO# 2366.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2032

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/1040-2-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/1040-3-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

Filesize
4KB

Download
memory/1040-27-0x00000000004A0000-0x00000000004AC000-memory.dmp

Filesize
48KB

Download
memory/1224-7-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/1224-19-0x0000000005790000-0x0000000005791000-memory.dmp

Filesize
4KB

Download
memory/1224-8-0x0000000004810000-0x0000000004811000-memory.dmp

Filesize
4KB

Download
memory/1224-9-0x0000000001090000-0x0000000001091000-memory.dmp

Filesize
4KB

Download
memory/1224-10-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/1224-13-0x0000000005720000-0x0000000005721000-memory.dmp

Filesize
4KB

Download
memory/1224-18-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/1224-6-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/1224-26-0x0000000006280000-0x0000000006281000-memory.dmp

Filesize
4KB

Download
memory/1224-5-0x0000000000000000-mapping.dmp

Download
memory/2032-28-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2032-29-0x000000000046DDDE-mapping.dmp

Download
memory/2032-30-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2032-31-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2032-32-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads