matiex | 9e9bd94fe6b1ed63cd9d5e3c21a2785fd411fc0b39be7c60f0ed55da1df2d828

General

Target

M0O09080O00.exe
Size

417KB
MD5

a3ce2bb54fcff687892013553aba0e6d
SHA1

7d47db86cc89248b24be0c0f32a32fdd9328ed02
SHA256

a83313423eb4ec63591766985452770fa671506b821b927dd015b9e919fcad11
SHA512

7b094842c2ae12f732dc49465e5583a8b67ca0e0ace2082f25e1e704b936a417f0aa9a962aefc69cbe72ff7ba392395c73999094dc7e9e6670711affcfb807c6

Score

10^/10

matiex keylogger spyware 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/1796-136-0x0000000000400000-0x0000000000472000-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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

38 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

M0O09080O00.exe

description pid process target process

PID 4772 set thread context of 1796 4772 M0O09080O00.exe M0O09080O00.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

M0O09080O00.exe

pid process

4772 M0O09080O00.exe
4772 M0O09080O00.exe
4772 M0O09080O00.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

M0O09080O00.exeM0O09080O00.exe

description pid process

Token: SeDebugPrivilege 4772 M0O09080O00.exe
Token: SeDebugPrivilege 1796 M0O09080O00.exe

flow	ioc
38	checkip.dyndns.org

description	pid	process	target process
PID 4772 set thread context of 1796	4772	M0O09080O00.exe	M0O09080O00.exe

pid	process
4772	M0O09080O00.exe
4772	M0O09080O00.exe
4772	M0O09080O00.exe

description	pid	process
Token: SeDebugPrivilege	4772	M0O09080O00.exe
Token: SeDebugPrivilege	1796	M0O09080O00.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

M0O09080O00.exe

description	pid	process	target process
PID 4772 wrote to memory of 1796	4772	M0O09080O00.exe	M0O09080O00.exe
PID 4772 wrote to memory of 1796	4772	M0O09080O00.exe	M0O09080O00.exe
PID 4772 wrote to memory of 1796	4772	M0O09080O00.exe	M0O09080O00.exe
PID 4772 wrote to memory of 1796	4772	M0O09080O00.exe	M0O09080O00.exe
PID 4772 wrote to memory of 1796	4772	M0O09080O00.exe	M0O09080O00.exe
PID 4772 wrote to memory of 1796	4772	M0O09080O00.exe	M0O09080O00.exe
PID 4772 wrote to memory of 1796	4772	M0O09080O00.exe	M0O09080O00.exe
PID 4772 wrote to memory of 1796	4772	M0O09080O00.exe	M0O09080O00.exe

C:\Users\Admin\AppData\Local\Temp\M0O09080O00.exe
"C:\Users\Admin\AppData\Local\Temp\M0O09080O00.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4772

C:\Users\Admin\AppData\Local\Temp\M0O09080O00.exe
"{path}"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1796

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\M0O09080O00.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1796-135-0x0000000000000000-mapping.dmp

Download
memory/1796-136-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1796-138-0x0000000004EA0000-0x0000000004F06000-memory.dmp

Filesize
408KB

Download
memory/4772-130-0x00000000006C0000-0x000000000072E000-memory.dmp

Filesize
440KB

Download
memory/4772-131-0x0000000005620000-0x0000000005BC4000-memory.dmp

Filesize
5.6MB

Download
memory/4772-132-0x0000000005110000-0x00000000051A2000-memory.dmp

Filesize
584KB

Download
memory/4772-133-0x00000000050D0000-0x00000000050DA000-memory.dmp

Filesize
40KB

Download
memory/4772-134-0x00000000075E0000-0x000000000767C000-memory.dmp

Filesize
624KB

Download

Analysis

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