matiex | 3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6

General

Target

3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe
Size

471KB
MD5

543036f3c5fdfcb84ccbf3b26ec82306
SHA1

e379742fed9808c0928c48777f667ee342cc466d
SHA256

3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6
SHA512

d9e86bed97bb5cc34978459743e072a1905c88acea8a93367a8ddfe9a30483224389e5bd5445a3a294b4d0b2c6dc22e69100300a187a5db1a0dc1681e0330ed4

Score

10^/10

matiex keylogger spyware stealer

Malware Config

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
srvc13.turhost.com
Port:
587
Username:
[email protected]
Password:
italik2015

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/1396-146-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex
behavioral2/memory/1396-149-0x00000000059A0000-0x0000000005F44000-memory.dmp	family_matiex

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Control Panel\International\Geo\Nation	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe

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

66 checkip.dyndns.org

flow	ioc
66	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe

description	pid	process	target process
PID 448 set thread context of 1396	448	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.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

2456 schtasks.exe
Modifies data under HKEY_USERS 1 IoCs

Processes:

svchost.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections svchost.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe

description pid process

Token: SeDebugPrivilege 1396 3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe

pid	process
2456	schtasks.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe

description	pid	process
Token: SeDebugPrivilege	1396	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe

description	pid	process	target process
PID 448 wrote to memory of 2456	448	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe	schtasks.exe
PID 448 wrote to memory of 2456	448	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe	schtasks.exe
PID 448 wrote to memory of 2456	448	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe	schtasks.exe
PID 448 wrote to memory of 1396	448	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe
PID 448 wrote to memory of 1396	448	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe
PID 448 wrote to memory of 1396	448	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe
PID 448 wrote to memory of 1396	448	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe
PID 448 wrote to memory of 1396	448	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe
PID 448 wrote to memory of 1396	448	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe
PID 448 wrote to memory of 1396	448	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe
PID 448 wrote to memory of 1396	448	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe	3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe

C:\Users\Admin\AppData\Local\Temp\3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe
"C:\Users\Admin\AppData\Local\Temp\3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:448
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XWSnfvsItPXY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB818.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2456
- C:\Users\Admin\AppData\Local\Temp\3680b8c8760e1b0546d796885b5161d55aa786f27bb010539ddff0ae858123c6.exe
  "{path}"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1396

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
1⤵
- Modifies data under HKEY_USERS
PID:1308

Network

MITRE ATT&CK Enterprise 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

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB818.tmp

MD5
a52133805e168eef60038334a280fcb9

SHA1
8b056e51a9f6fb913c86f0f4e1927656083a91f4

SHA256
608ad1f6fd6a57be6dc7098d3f8f75c55c453015afaa7b85fb9dfc9af31fc70c

SHA512
da1aa19185918c1873c3c69b5ed81382afcc1d0ad341b416c98161638972cd03d8898e519ac58f9d479d9f47bb616fd6d3262b95f68416ca05a65f350992d9f9

Download Submit
memory/448-143-0x0000000008890000-0x0000000008DBC000-memory.dmp

Filesize
5.2MB

Download
memory/448-135-0x0000000000F50000-0x0000000000FCC000-memory.dmp

Filesize
496KB

Download
memory/448-136-0x0000000005F60000-0x0000000006504000-memory.dmp

Filesize
5.6MB

Download
memory/448-137-0x00000000059B0000-0x0000000005A42000-memory.dmp

Filesize
584KB

Download
memory/448-138-0x00000000059B0000-0x0000000005F54000-memory.dmp

Filesize
5.6MB

Download
memory/448-139-0x0000000005AA0000-0x0000000005AAA000-memory.dmp

Filesize
40KB

Download
memory/448-144-0x00000000080C0000-0x000000000815C000-memory.dmp

Filesize
624KB

Download
memory/448-134-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/1308-142-0x000001A2A0FD0000-0x000001A2A0FD4000-memory.dmp

Filesize
16KB

Download
memory/1308-141-0x000001A2A0C60000-0x000001A2A0C70000-memory.dmp

Filesize
64KB

Download
memory/1308-140-0x000001A2A0360000-0x000001A2A0370000-memory.dmp

Filesize
64KB

Download
memory/1396-146-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1396-147-0x0000000005A80000-0x0000000005AE6000-memory.dmp

Filesize
408KB

Download
memory/1396-148-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/1396-149-0x00000000059A0000-0x0000000005F44000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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