matiex | 42ff1648e53d0054bc7c4a5c8a5db648c2a3405415d441c7d5801e52f56bf7a7

General

Target

3bcae8c41a076a0803c99fea75f2aa87.exe
Size

1.1MB
MD5

3bcae8c41a076a0803c99fea75f2aa87
SHA1

f2c1b01afcc3a3af6d947b39419bb4531daa8945
SHA256

42ff1648e53d0054bc7c4a5c8a5db648c2a3405415d441c7d5801e52f56bf7a7
SHA512

220880b1422811db1d9cd79030ea8005a7921ecabb580a3ed537d68bb068005f98b14a87e1f90f796d0d506ccd37675c9153a84e2ea0096bc45d55534f5e4113
SSDEEP

24576:5W5oaXpcB7mVSaccPuvcd5OGQT/1/0nS+7n4SYwqK4zf3RTsAHWAgqChJ+hu3A8K:giecrLh0oQRjeGAZ

Score

10^/10

matiex keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
mail.thts.vn
Port:
25
Username:
[email protected]
Password:
123luongngan1989
Email To:
[email protected]

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/3356-13-0x0000000000400000-0x0000000000472000-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
T1552.001
Suspicious use of SetThreadContext 1 IoCs

Processes:

3bcae8c41a076a0803c99fea75f2aa87.exe

description pid process target process

PID 1384 set thread context of 3356 1384 3bcae8c41a076a0803c99fea75f2aa87.exe 3bcae8c41a076a0803c99fea75f2aa87.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3256 3356 WerFault.exe 3bcae8c41a076a0803c99fea75f2aa87.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

3bcae8c41a076a0803c99fea75f2aa87.exe

pid process

1384 3bcae8c41a076a0803c99fea75f2aa87.exe
1384 3bcae8c41a076a0803c99fea75f2aa87.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

3bcae8c41a076a0803c99fea75f2aa87.exe

description pid process

Token: SeDebugPrivilege 1384 3bcae8c41a076a0803c99fea75f2aa87.exe

description	pid	process	target process
PID 1384 set thread context of 3356	1384	3bcae8c41a076a0803c99fea75f2aa87.exe	3bcae8c41a076a0803c99fea75f2aa87.exe

pid	pid_target	process	target process
3256	3356	WerFault.exe	3bcae8c41a076a0803c99fea75f2aa87.exe

pid	process
1384	3bcae8c41a076a0803c99fea75f2aa87.exe
1384	3bcae8c41a076a0803c99fea75f2aa87.exe

description	pid	process
Token: SeDebugPrivilege	1384	3bcae8c41a076a0803c99fea75f2aa87.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

3bcae8c41a076a0803c99fea75f2aa87.exe

description	pid	process	target process
PID 1384 wrote to memory of 4932	1384	3bcae8c41a076a0803c99fea75f2aa87.exe	3bcae8c41a076a0803c99fea75f2aa87.exe
PID 1384 wrote to memory of 4932	1384	3bcae8c41a076a0803c99fea75f2aa87.exe	3bcae8c41a076a0803c99fea75f2aa87.exe
PID 1384 wrote to memory of 4932	1384	3bcae8c41a076a0803c99fea75f2aa87.exe	3bcae8c41a076a0803c99fea75f2aa87.exe
PID 1384 wrote to memory of 3356	1384	3bcae8c41a076a0803c99fea75f2aa87.exe	3bcae8c41a076a0803c99fea75f2aa87.exe
PID 1384 wrote to memory of 3356	1384	3bcae8c41a076a0803c99fea75f2aa87.exe	3bcae8c41a076a0803c99fea75f2aa87.exe
PID 1384 wrote to memory of 3356	1384	3bcae8c41a076a0803c99fea75f2aa87.exe	3bcae8c41a076a0803c99fea75f2aa87.exe
PID 1384 wrote to memory of 3356	1384	3bcae8c41a076a0803c99fea75f2aa87.exe	3bcae8c41a076a0803c99fea75f2aa87.exe
PID 1384 wrote to memory of 3356	1384	3bcae8c41a076a0803c99fea75f2aa87.exe	3bcae8c41a076a0803c99fea75f2aa87.exe
PID 1384 wrote to memory of 3356	1384	3bcae8c41a076a0803c99fea75f2aa87.exe	3bcae8c41a076a0803c99fea75f2aa87.exe
PID 1384 wrote to memory of 3356	1384	3bcae8c41a076a0803c99fea75f2aa87.exe	3bcae8c41a076a0803c99fea75f2aa87.exe
PID 1384 wrote to memory of 3356	1384	3bcae8c41a076a0803c99fea75f2aa87.exe	3bcae8c41a076a0803c99fea75f2aa87.exe

C:\Users\Admin\AppData\Local\Temp\3bcae8c41a076a0803c99fea75f2aa87.exe
"C:\Users\Admin\AppData\Local\Temp\3bcae8c41a076a0803c99fea75f2aa87.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Users\Admin\AppData\Local\Temp\3bcae8c41a076a0803c99fea75f2aa87.exe
  "C:\Users\Admin\AppData\Local\Temp\3bcae8c41a076a0803c99fea75f2aa87.exe"
  2⤵
  PID:3356
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3356 -s 1984
    3⤵
    - Program crash
    PID:3256
- C:\Users\Admin\AppData\Local\Temp\3bcae8c41a076a0803c99fea75f2aa87.exe
  "C:\Users\Admin\AppData\Local\Temp\3bcae8c41a076a0803c99fea75f2aa87.exe"
  2⤵
  PID:4932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3356 -ip 3356
1⤵
PID:4828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3bcae8c41a076a0803c99fea75f2aa87.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/1384-10-0x0000000006210000-0x0000000006246000-memory.dmp

Filesize
216KB

Download
memory/1384-11-0x0000000009D60000-0x0000000009DEE000-memory.dmp

Filesize
568KB

Download
memory/1384-4-0x0000000004C00000-0x0000000004C92000-memory.dmp

Filesize
584KB

Download
memory/1384-5-0x0000000004D80000-0x0000000004D90000-memory.dmp

Filesize
64KB

Download
memory/1384-7-0x0000000004CA0000-0x0000000004CF6000-memory.dmp

Filesize
344KB

Download
memory/1384-6-0x0000000004B30000-0x0000000004B3A000-memory.dmp

Filesize
40KB

Download
memory/1384-1-0x00000000000D0000-0x00000000001EC000-memory.dmp

Filesize
1.1MB

Download
memory/1384-17-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/1384-9-0x0000000004D80000-0x0000000004D90000-memory.dmp

Filesize
64KB

Download
memory/1384-3-0x0000000005110000-0x00000000056B4000-memory.dmp

Filesize
5.6MB

Download
memory/1384-8-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/1384-12-0x0000000009E10000-0x0000000009E88000-memory.dmp

Filesize
480KB

Download
memory/1384-2-0x0000000004A20000-0x0000000004ABC000-memory.dmp

Filesize
624KB

Download
memory/1384-0-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/3356-16-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/3356-19-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download
memory/3356-18-0x0000000004F60000-0x0000000004FC6000-memory.dmp

Filesize
408KB

Download
memory/3356-13-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/3356-20-0x0000000006800000-0x00000000069C2000-memory.dmp

Filesize
1.8MB

Download
memory/3356-21-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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