matiex | c606f5189c0ab97530d03f5ac2170c940e3dcaf5cf008672041aed7f11a3367c

General

Target

sample.exe
Size

478KB
MD5

7fe68a75d5f97b92396dd4ccc87c520b
SHA1

e05743081dcfe789e19edbb96b9d28e09e5566eb
SHA256

aee3342cf4c2b1994336f3b0ebb9cf4a63c52fa41ef4430f83ac320aaba063bf
SHA512

0da16a7b747c6013f84f4d817187a8f037bb4141dd39596cce62b537109e9d1d9f61abe14f3053d58363bad2cddd7a721fa83e29f520356dd1e417d8753d55a7

Score

10^/10

matiex keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
chikadibiaezeude@gmail.com
Password:
Godwithme2020ezeude

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/1332-64-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex
behavioral1/memory/1332-65-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex
behavioral1/memory/1332-66-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex
behavioral1/memory/1332-67-0x000000000046B29E-mapping.dmp	family_matiex
behavioral1/memory/1332-69-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex
behavioral1/memory/1332-71-0x0000000000400000-0x0000000000470000-memory.dmp	family_matiex

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

4 checkip.dyndns.org
8 freegeoip.app
9 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

sample.exe

description pid process target process

PID 1612 set thread context of 1332 1612 sample.exe sample.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1892 1332 WerFault.exe sample.exe
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

1632 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

sample.exe

pid process

1612 sample.exe
1612 sample.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

sample.exesample.exe

description pid process

Token: SeDebugPrivilege 1612 sample.exe
Token: SeDebugPrivilege 1332 sample.exe

flow	ioc
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app

description	pid	process	target process
PID 1612 set thread context of 1332	1612	sample.exe	sample.exe

pid	pid_target	process	target process
1892	1332	WerFault.exe	sample.exe

pid	process
1632	schtasks.exe

pid	process
1612	sample.exe
1612	sample.exe

description	pid	process
Token: SeDebugPrivilege	1612	sample.exe
Token: SeDebugPrivilege	1332	sample.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

sample.exesample.exe

description	pid	process	target process
PID 1612 wrote to memory of 1632	1612	sample.exe	schtasks.exe
PID 1612 wrote to memory of 1632	1612	sample.exe	schtasks.exe
PID 1612 wrote to memory of 1632	1612	sample.exe	schtasks.exe
PID 1612 wrote to memory of 1632	1612	sample.exe	schtasks.exe
PID 1612 wrote to memory of 1332	1612	sample.exe	sample.exe
PID 1612 wrote to memory of 1332	1612	sample.exe	sample.exe
PID 1612 wrote to memory of 1332	1612	sample.exe	sample.exe
PID 1612 wrote to memory of 1332	1612	sample.exe	sample.exe
PID 1612 wrote to memory of 1332	1612	sample.exe	sample.exe
PID 1612 wrote to memory of 1332	1612	sample.exe	sample.exe
PID 1612 wrote to memory of 1332	1612	sample.exe	sample.exe
PID 1612 wrote to memory of 1332	1612	sample.exe	sample.exe
PID 1612 wrote to memory of 1332	1612	sample.exe	sample.exe
PID 1332 wrote to memory of 1892	1332	sample.exe	WerFault.exe
PID 1332 wrote to memory of 1892	1332	sample.exe	WerFault.exe
PID 1332 wrote to memory of 1892	1332	sample.exe	WerFault.exe
PID 1332 wrote to memory of 1892	1332	sample.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\sample.exe
"C:\Users\Admin\AppData\Local\Temp\sample.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C8E.tmp"
2⤵
- Creates scheduled task(s)
PID:1632

C:\Users\Admin\AppData\Local\Temp\sample.exe
"{path}"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1332 -s 1736
3⤵
- Program crash
PID:1892

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9C8E.tmp
Filesize
1KB

MD5
dc436ff5b60ef8168376c73a193ed25c

SHA1
0943c8a1a0851b7b79d31fadb488cce2e0444638

SHA256
949ee6cece73e1304479fc963d79d2fd8e6410f451c1ce0ae6fd6e1b40b70705

SHA512
1f66711762ef86444a1e4edd5e3105b2ca5e83ec72bc6c2e04c7b5a9de1f50df3a6a85c75fc54003e4ebb0c9d8061455a6ef2e544726536592fb32dbf99736bd

Download Submit
memory/1332-67-0x000000000046B29E-mapping.dmp

Download
memory/1332-66-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1332-71-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1332-69-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1332-62-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1332-65-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1332-61-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1332-64-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1612-56-0x0000000000350000-0x0000000000358000-memory.dmp

Filesize
32KB

Download
memory/1612-55-0x0000000076531000-0x0000000076533000-memory.dmp

Filesize
8KB

Download
memory/1612-54-0x00000000008A0000-0x000000000091E000-memory.dmp

Filesize
504KB

Download
memory/1612-58-0x0000000005FF0000-0x000000000606A000-memory.dmp

Filesize
488KB

Download
memory/1612-57-0x0000000004E00000-0x0000000004E62000-memory.dmp

Filesize
392KB

Download
memory/1632-59-0x0000000000000000-mapping.dmp

Download
memory/1892-73-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads