matiex | 109bcfbd83db3f1cd25ebb84bff09634dbd32ba6142c9091dea6298df5c57541

General

Target

a9bfd74205eaae0c0a3b4c5844f689e6.exe
Size

972KB
MD5

a9bfd74205eaae0c0a3b4c5844f689e6
SHA1

26a4db56a5c263be29df916729bb98762a15c818
SHA256

109bcfbd83db3f1cd25ebb84bff09634dbd32ba6142c9091dea6298df5c57541
SHA512

007daaa815973fd15bf8f78ec35a6fcc62e041ea3bcf2c659839c355e506240bbed6404d16dfc5653a98ee5f7fe8d49be39dbd083b3ed6b5986b064713199eab

Score

10^/10

matiex keylogger stealer

Malware Config

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 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/440-12-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/440-13-0x000000000047036E-mapping.dmp	family_matiex
behavioral1/memory/440-14-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/440-15-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex

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

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

Processes:

a9bfd74205eaae0c0a3b4c5844f689e6.exe

description pid process target process

PID 1584 set thread context of 440 1584 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

1648 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

a9bfd74205eaae0c0a3b4c5844f689e6.exe

pid process

440 a9bfd74205eaae0c0a3b4c5844f689e6.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a9bfd74205eaae0c0a3b4c5844f689e6.exe

description pid process

Token: SeDebugPrivilege 440 a9bfd74205eaae0c0a3b4c5844f689e6.exe

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

description	pid	process	target process
PID 1584 set thread context of 440	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe

pid	process
1648	schtasks.exe

pid	process
440	a9bfd74205eaae0c0a3b4c5844f689e6.exe

description	pid	process
Token: SeDebugPrivilege	440	a9bfd74205eaae0c0a3b4c5844f689e6.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

a9bfd74205eaae0c0a3b4c5844f689e6.exe

description	pid	process	target process
PID 1584 wrote to memory of 1648	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	schtasks.exe
PID 1584 wrote to memory of 1648	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	schtasks.exe
PID 1584 wrote to memory of 1648	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	schtasks.exe
PID 1584 wrote to memory of 1648	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	schtasks.exe
PID 1584 wrote to memory of 440	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 1584 wrote to memory of 440	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 1584 wrote to memory of 440	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 1584 wrote to memory of 440	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 1584 wrote to memory of 440	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 1584 wrote to memory of 440	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 1584 wrote to memory of 440	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 1584 wrote to memory of 440	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.exe
PID 1584 wrote to memory of 440	1584	a9bfd74205eaae0c0a3b4c5844f689e6.exe	a9bfd74205eaae0c0a3b4c5844f689e6.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:1584

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yPPNqrw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD865.tmp"
2⤵
- Creates scheduled task(s)
PID:1648

C:\Users\Admin\AppData\Local\Temp\a9bfd74205eaae0c0a3b4c5844f689e6.exe
"C:\Users\Admin\AppData\Local\Temp\a9bfd74205eaae0c0a3b4c5844f689e6.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:440

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

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD865.tmp
MD5
15c33f47265782296a2abfe4acd29a0e

SHA1
5bf8b8e34495001f44eae79b082b537ed7eff35a

SHA256
247a5157abe69bb822823e82b791a2f60dc0a07b727475012b03b6e4ca6839c1

SHA512
5133802b305580a3dd9803b7662fbef2568a39031408ff05ce16ce3e692d862f2fe57c40131a6d9bb95d915cb5271c70ae089ff37f89cf77ce4a0b77c12ac3c9

Download Submit
memory/440-16-0x0000000073950000-0x000000007403E000-memory.dmp

Filesize
6.9MB

Download
memory/440-15-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/440-14-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/440-13-0x000000000047036E-mapping.dmp

Download
memory/440-12-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1584-6-0x0000000005370000-0x00000000053E4000-memory.dmp

Filesize
464KB

Download
memory/1584-9-0x0000000005620000-0x00000000056BB000-memory.dmp

Filesize
620KB

Download
memory/1584-7-0x0000000000560000-0x0000000000568000-memory.dmp

Filesize
32KB

Download
memory/1584-2-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/1584-5-0x0000000000210000-0x0000000000222000-memory.dmp

Filesize
72KB

Download
memory/1584-3-0x0000000000D70000-0x0000000000D71000-memory.dmp

Filesize
4KB

Download
memory/1648-10-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads