matiex | 45c76e73fe8180503517cee91c6690cff0f4c7c5dcf19e8b24f133c2420e495a

General

Target

0890800980900.exe
Size

428KB
MD5

66236fab0fc34913339b1ab771e7e330
SHA1

79904802f84156a4f20682f6b74b06a8aa5e3866
SHA256

16f1c002141bcb30cb7d6c783ce866423aae4511342d80339ee931b1ed0f6a18
SHA512

6e93facff68717f3facb8eeec7f9427936bfe5d70a77e552abddb48188cded00e8596d89ac65407dfba330882723e8d185710d4fad7bb2401fcfb7de4ebc8484

Score

10^/10

matiex keylogger stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
srvc13.turhost.com
Port:
587
Username:
info@bilgitekdagitim.com
Password:
italik2015

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/1172-132-0x0000000000400000-0x0000000000472000-memory.dmp	family_matiex

Suspicious use of SetThreadContext 1 IoCs

Processes:

0890800980900.exe

description pid process target process

PID 3076 set thread context of 1172 3076 0890800980900.exe MSBuild.exe

description	pid	process	target process
PID 3076 set thread context of 1172	3076	0890800980900.exe	MSBuild.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

0890800980900.exe

pid process

3076 0890800980900.exe
3076 0890800980900.exe
3076 0890800980900.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

0890800980900.exedw20.exe

description pid process

Token: SeDebugPrivilege 3076 0890800980900.exe
Token: SeBackupPrivilege 4996 dw20.exe
Token: SeBackupPrivilege 4996 dw20.exe

pid	process
3076	0890800980900.exe
3076	0890800980900.exe
3076	0890800980900.exe

description	pid	process
Token: SeDebugPrivilege	3076	0890800980900.exe
Token: SeBackupPrivilege	4996	dw20.exe
Token: SeBackupPrivilege	4996	dw20.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

0890800980900.exeMSBuild.exe

description	pid	process	target process
PID 3076 wrote to memory of 1172	3076	0890800980900.exe	MSBuild.exe
PID 3076 wrote to memory of 1172	3076	0890800980900.exe	MSBuild.exe
PID 3076 wrote to memory of 1172	3076	0890800980900.exe	MSBuild.exe
PID 3076 wrote to memory of 1172	3076	0890800980900.exe	MSBuild.exe
PID 3076 wrote to memory of 1172	3076	0890800980900.exe	MSBuild.exe
PID 3076 wrote to memory of 1172	3076	0890800980900.exe	MSBuild.exe
PID 3076 wrote to memory of 1172	3076	0890800980900.exe	MSBuild.exe
PID 3076 wrote to memory of 1172	3076	0890800980900.exe	MSBuild.exe
PID 1172 wrote to memory of 4996	1172	MSBuild.exe	dw20.exe
PID 1172 wrote to memory of 4996	1172	MSBuild.exe	dw20.exe
PID 1172 wrote to memory of 4996	1172	MSBuild.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\0890800980900.exe
"C:\Users\Admin\AppData\Local\Temp\0890800980900.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3076

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
2⤵
- Suspicious use of WriteProcessMemory
PID:1172

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 776
3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4996

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1172-131-0x0000000000000000-mapping.dmp

Download
memory/1172-132-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1172-134-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/3076-130-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/4996-133-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads