matiex | 109bcfbd83db3f1cd25ebb84bff09634dbd32ba6142c9091dea6298df5c57541

General

Target

a9bfd74205eaae0c0a3b4c5844f689e6.exe
Size

972KB
MD5

a9bfd74205eaae0c0a3b4c5844f689e6
SHA1

26a4db56a5c263be29df916729bb98762a15c818
SHA256

109bcfbd83db3f1cd25ebb84bff09634dbd32ba6142c9091dea6298df5c57541
SHA512

007daaa815973fd15bf8f78ec35a6fcc62e041ea3bcf2c659839c355e506240bbed6404d16dfc5653a98ee5f7fe8d49be39dbd083b3ed6b5986b064713199eab

Score

10^/10

matiex keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.zavidovici.ba
Port:
587
Username:
opcina.zavidovici@zavidovici.ba
Password:
12Opc21!

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
mail.zavidovici.ba
Port:
587
Username:
opcina.zavidovici@zavidovici.ba
Password:
12Opc21!

Signatures

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

Matiex Main Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1372-17-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral2/memory/1372-18-0x000000000047036E-mapping.dmp	family_matiex

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

12 checkip.dyndns.org
15 freegeoip.app
16 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

a9bfd74205eaae0c0a3b4c5844f689e6.exe

description pid process target process

PID 880 set thread context of 1372 880 a9bfd74205eaae0c0a3b4c5844f689e6.exe a9bfd74205eaae0c0a3b4c5844f689e6.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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

1584 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

a9bfd74205eaae0c0a3b4c5844f689e6.exe

pid process

1372 a9bfd74205eaae0c0a3b4c5844f689e6.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a9bfd74205eaae0c0a3b4c5844f689e6.exe

description pid process

Token: SeDebugPrivilege 1372 a9bfd74205eaae0c0a3b4c5844f689e6.exe

flow	ioc
12	checkip.dyndns.org
15	freegeoip.app
16	freegeoip.app

description	pid	process	target process
PID 880 set thread context of 1372	880	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe

pid	process
1584	schtasks.exe

pid	process
1372	a9bfd74205eaae0c0a3b4c5844f689e6.exe

description	pid	process
Token: SeDebugPrivilege	1372	a9bfd74205eaae0c0a3b4c5844f689e6.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

a9bfd74205eaae0c0a3b4c5844f689e6.exea9bfd74205eaae0c0a3b4c5844f689e6.exe

description	pid	process	target process
PID 880 wrote to memory of 1584	880	a9bfd74205eaae0c0a3b4c5844f689e6.exe	schtasks.exe
PID 880 wrote to memory of 1584	880	a9bfd74205eaae0c0a3b4c5844f689e6.exe	schtasks.exe
PID 880 wrote to memory of 1584	880	a9bfd74205eaae0c0a3b4c5844f689e6.exe	schtasks.exe
PID 880 wrote to memory of 1372	880	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 880 wrote to memory of 1372	880	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 880 wrote to memory of 1372	880	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 880 wrote to memory of 1372	880	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 880 wrote to memory of 1372	880	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 880 wrote to memory of 1372	880	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 880 wrote to memory of 1372	880	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 880 wrote to memory of 1372	880	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 1372 wrote to memory of 1912	1372	a9bfd74205eaae0c0a3b4c5844f689e6.exe	netsh.exe
PID 1372 wrote to memory of 1912	1372	a9bfd74205eaae0c0a3b4c5844f689e6.exe	netsh.exe
PID 1372 wrote to memory of 1912	1372	a9bfd74205eaae0c0a3b4c5844f689e6.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\a9bfd74205eaae0c0a3b4c5844f689e6.exe
"C:\Users\Admin\AppData\Local\Temp\a9bfd74205eaae0c0a3b4c5844f689e6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:880

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yPPNqrw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp68FC.tmp"
2⤵
- Creates scheduled task(s)
PID:1584

C:\Users\Admin\AppData\Local\Temp\a9bfd74205eaae0c0a3b4c5844f689e6.exe
"C:\Users\Admin\AppData\Local\Temp\a9bfd74205eaae0c0a3b4c5844f689e6.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1372

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1912

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

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a9bfd74205eaae0c0a3b4c5844f689e6.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp68FC.tmp
MD5
5d09d08b19c858001c840b9a52e00427

SHA1
8ec44ede13acc1b1fab9595ee4a48f07d6e48318

SHA256
73363fe815e286d0e5b1a7c81f0a9c420d5a2f00eff4eeafbcb3c829830d8e5d

SHA512
b02886b4ec2de1e251e4fd815290c77d1a9572ebf10fe7766f8ceeca12a65d2b5297c80acf3ac915dc0d4b4c3b6022939b30342429b3167891b35fec5fb8f2e4

Download Submit
memory/880-14-0x0000000005A00000-0x0000000005A9B000-memory.dmp

Filesize
620KB

Download
memory/880-6-0x0000000005020000-0x0000000005021000-memory.dmp

Filesize
4KB

Download
memory/880-7-0x0000000004A60000-0x0000000004A61000-memory.dmp

Filesize
4KB

Download
memory/880-8-0x0000000004940000-0x0000000004941000-memory.dmp

Filesize
4KB

Download
memory/880-9-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

Download
memory/880-10-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/880-11-0x0000000005890000-0x0000000005904000-memory.dmp

Filesize
464KB

Download
memory/880-12-0x0000000004FE0000-0x0000000004FE8000-memory.dmp

Filesize
32KB

Download
memory/880-2-0x0000000073460000-0x0000000073B4E000-memory.dmp

Filesize
6.9MB

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memory/880-3-0x0000000000040000-0x0000000000041000-memory.dmp

Filesize
4KB

Download
memory/880-5-0x00000000049C0000-0x00000000049C1000-memory.dmp

Filesize
4KB

Download
memory/1372-20-0x0000000073460000-0x0000000073B4E000-memory.dmp

Filesize
6.9MB

Download
memory/1372-18-0x000000000047036E-mapping.dmp

Download
memory/1372-17-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1372-24-0x0000000005690000-0x0000000005691000-memory.dmp

Filesize
4KB

Download
memory/1372-27-0x00000000068B0000-0x00000000068B1000-memory.dmp

Filesize
4KB

Download
memory/1584-15-0x0000000000000000-mapping.dmp

Download
memory/1912-26-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads