matiex | 08c29dfa0ccb747751c5ff3ccde88f7f8a5a87152121f75f60a886b14e86bf00

General

Target

wCRnCAMZ3yT8BQ2.exe
Size

938KB
MD5

2363f93331fc792ae9cb5750043bdc89
SHA1

2fc0b7b4106a28ffe7f63f36ff64fe045e8f7daa
SHA256

08c29dfa0ccb747751c5ff3ccde88f7f8a5a87152121f75f60a886b14e86bf00
SHA512

a4a47c39e03c22844725b51ffd56f3ae01e9095733e8442eaba1fcf0e3a0e1edb127a6bf4b5ab8063614829db27919dea5a0e62f9e7d320e625fc498a603ad3e

Score

10^/10

matiex keylogger stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
sales01@seedwellresources.xyz
Password:
MARYolanmauluogwo@ever

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/1684-9-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1684-10-0x000000000047095E-mapping.dmp	family_matiex
behavioral1/memory/1684-11-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral1/memory/1684-12-0x0000000000400000-0x0000000000476000-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
11 freegeoip.app
5 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

wCRnCAMZ3yT8BQ2.exe

description pid process target process

PID 1732 set thread context of 1684 1732 wCRnCAMZ3yT8BQ2.exe wCRnCAMZ3yT8BQ2.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

1224 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

wCRnCAMZ3yT8BQ2.exe

pid process

1684 wCRnCAMZ3yT8BQ2.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wCRnCAMZ3yT8BQ2.exe

description pid process

Token: SeDebugPrivilege 1684 wCRnCAMZ3yT8BQ2.exe

flow	ioc
10	freegeoip.app
11	freegeoip.app
5	checkip.dyndns.org

description	pid	process	target process
PID 1732 set thread context of 1684	1732	wCRnCAMZ3yT8BQ2.exe	wCRnCAMZ3yT8BQ2.exe

pid	process
1224	schtasks.exe

pid	process
1684	wCRnCAMZ3yT8BQ2.exe

description	pid	process
Token: SeDebugPrivilege	1684	wCRnCAMZ3yT8BQ2.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

wCRnCAMZ3yT8BQ2.exe

description	pid	process	target process
PID 1732 wrote to memory of 1224	1732	wCRnCAMZ3yT8BQ2.exe	schtasks.exe
PID 1732 wrote to memory of 1224	1732	wCRnCAMZ3yT8BQ2.exe	schtasks.exe
PID 1732 wrote to memory of 1224	1732	wCRnCAMZ3yT8BQ2.exe	schtasks.exe
PID 1732 wrote to memory of 1224	1732	wCRnCAMZ3yT8BQ2.exe	schtasks.exe
PID 1732 wrote to memory of 1684	1732	wCRnCAMZ3yT8BQ2.exe	wCRnCAMZ3yT8BQ2.exe
PID 1732 wrote to memory of 1684	1732	wCRnCAMZ3yT8BQ2.exe	wCRnCAMZ3yT8BQ2.exe
PID 1732 wrote to memory of 1684	1732	wCRnCAMZ3yT8BQ2.exe	wCRnCAMZ3yT8BQ2.exe
PID 1732 wrote to memory of 1684	1732	wCRnCAMZ3yT8BQ2.exe	wCRnCAMZ3yT8BQ2.exe
PID 1732 wrote to memory of 1684	1732	wCRnCAMZ3yT8BQ2.exe	wCRnCAMZ3yT8BQ2.exe
PID 1732 wrote to memory of 1684	1732	wCRnCAMZ3yT8BQ2.exe	wCRnCAMZ3yT8BQ2.exe
PID 1732 wrote to memory of 1684	1732	wCRnCAMZ3yT8BQ2.exe	wCRnCAMZ3yT8BQ2.exe
PID 1732 wrote to memory of 1684	1732	wCRnCAMZ3yT8BQ2.exe	wCRnCAMZ3yT8BQ2.exe
PID 1732 wrote to memory of 1684	1732	wCRnCAMZ3yT8BQ2.exe	wCRnCAMZ3yT8BQ2.exe

C:\Users\Admin\AppData\Local\Temp\wCRnCAMZ3yT8BQ2.exe
"C:\Users\Admin\AppData\Local\Temp\wCRnCAMZ3yT8BQ2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uXbGRRvcbY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB126.tmp"
2⤵
- Creates scheduled task(s)
PID:1224

C:\Users\Admin\AppData\Local\Temp\wCRnCAMZ3yT8BQ2.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1684

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\tmpB126.tmp
MD5
d1295660a97ef33cab94d2c2832a44ef

SHA1
dde3d4919c57c6aaa8d793e18875fecbdbb2649f

SHA256
ba3af96d0a53bc2ea629a722ac927141dc6cde6d39822fc09e5e20d0207cd511

SHA512
515591b4f11d5eadbb73ca29740bbdf7f5f1fe9a11e55039a6df2346655f6aaa4a3f7a70c78caaeae642de07c5f71b90e95f04ea93f66f38727fe1573b3e500a

Download Submit
memory/1224-7-0x0000000000000000-mapping.dmp

Download
memory/1684-9-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1684-10-0x000000000047095E-mapping.dmp

Download
memory/1684-11-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1684-12-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1684-13-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/1732-2-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/1732-3-0x0000000000860000-0x0000000000861000-memory.dmp

Filesize
4KB

Download
memory/1732-5-0x00000000002A0000-0x00000000002AE000-memory.dmp

Filesize
56KB

Download
memory/1732-6-0x00000000057A0000-0x0000000005881000-memory.dmp

Filesize
900KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads