matiex | dbe6359af1e119c871d0811f321e2ee4044eaf6ec65c68623937d096c197fe8c

General

Target

54632e7d37d3142474baff846284247d.exe
Size

812KB
MD5

54632e7d37d3142474baff846284247d
SHA1

dfd39606a2dce9ffe5887f494d2cba0ee3c8bd22
SHA256

dbe6359af1e119c871d0811f321e2ee4044eaf6ec65c68623937d096c197fe8c
SHA512

0679ef0eb7b973cef0ebb94bc4e8b0eaf2e5a9ef587b4c54fe81dc984d762bda60266ba83da24bbd5cf9f42110f78b7850e3e4a5cdec8c88037734bf5ccd95ee
SSDEEP

12288:2Pp+gczyhNSvRbBQHR4qz91hI0zSaNsvz+yuWDVId21NaI+E8tyvXMpJXfXUy/Wj:2Dpjtacljjy4OyJC+Ah+yFQzHm2G

Score

10^/10

matiex collection 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

resource	yara_rule
behavioral2/memory/1976-15-0x0000000000400000-0x0000000000474000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	54632e7d37d3142474baff846284247d.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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	54632e7d37d3142474baff846284247d.exe
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	54632e7d37d3142474baff846284247d.exe
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	54632e7d37d3142474baff846284247d.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
101	checkip.dyndns.org
103	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3460 set thread context of 1976	3460	54632e7d37d3142474baff846284247d.exe	104

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3564	1976	WerFault.exe	104

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/Job

T1053

pid	Process
5032	schtasks.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000_Classes\ms-settings\shell\open\command	54632e7d37d3142474baff846284247d.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000_Classes\ms-settings	54632e7d37d3142474baff846284247d.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000_Classes\ms-settings\shell	54632e7d37d3142474baff846284247d.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000_Classes\ms-settings\shell\open	54632e7d37d3142474baff846284247d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000_Classes\ms-settings\shell\open\command\	54632e7d37d3142474baff846284247d.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3460	54632e7d37d3142474baff846284247d.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1976	54632e7d37d3142474baff846284247d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3460	54632e7d37d3142474baff846284247d.exe
Token: SeDebugPrivilege	1976	54632e7d37d3142474baff846284247d.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 5032	3460	54632e7d37d3142474baff846284247d.exe	102
PID 3460 wrote to memory of 5032	3460	54632e7d37d3142474baff846284247d.exe	102
PID 3460 wrote to memory of 5032	3460	54632e7d37d3142474baff846284247d.exe	102
PID 3460 wrote to memory of 1976	3460	54632e7d37d3142474baff846284247d.exe	104
PID 3460 wrote to memory of 1976	3460	54632e7d37d3142474baff846284247d.exe	104
PID 3460 wrote to memory of 1976	3460	54632e7d37d3142474baff846284247d.exe	104
PID 3460 wrote to memory of 1976	3460	54632e7d37d3142474baff846284247d.exe	104
PID 3460 wrote to memory of 1976	3460	54632e7d37d3142474baff846284247d.exe	104
PID 3460 wrote to memory of 1976	3460	54632e7d37d3142474baff846284247d.exe	104
PID 3460 wrote to memory of 1976	3460	54632e7d37d3142474baff846284247d.exe	104
PID 3460 wrote to memory of 1976	3460	54632e7d37d3142474baff846284247d.exe	104

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	54632e7d37d3142474baff846284247d.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	54632e7d37d3142474baff846284247d.exe

C:\Users\Admin\AppData\Local\Temp\54632e7d37d3142474baff846284247d.exe
"C:\Users\Admin\AppData\Local\Temp\54632e7d37d3142474baff846284247d.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BOZtQE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCCA6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:5032
- C:\Users\Admin\AppData\Local\Temp\54632e7d37d3142474baff846284247d.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1976
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 1440
    3⤵
    - Program crash
    PID:3564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1976 -ip 1976
1⤵
PID:1860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\54632e7d37d3142474baff846284247d.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCCA6.tmp

Filesize
1KB

MD5
4f33396edf0ec8c4d94598faccf8ba85

SHA1
94605aea1265f6ae024dd15c4ae9e0d642c85141

SHA256
88c36223505be94d4a2722b16a636c0fc98849b2960faf41daa425fff2590c23

SHA512
49bcdaa783bb008943e82a47f6286747cfc0033ba4aec5a3b9e82f7bc7312c11a5733cddb417a0e3a10a3bf546c760f719e77842bc184d6562696b7c25c31fc8

Download Submit
memory/1976-15-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1976-22-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/1976-19-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/1976-21-0x0000000005920000-0x0000000005930000-memory.dmp

Filesize
64KB

Download
memory/1976-20-0x00000000056C0000-0x0000000005726000-memory.dmp

Filesize
408KB

Download
memory/3460-5-0x00000000052A0000-0x00000000052AA000-memory.dmp

Filesize
40KB

Download
memory/3460-8-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/3460-9-0x0000000005210000-0x0000000005220000-memory.dmp

Filesize
64KB

Download
memory/3460-10-0x000000000A350000-0x000000000A40C000-memory.dmp

Filesize
752KB

Download
memory/3460-11-0x000000000C9E0000-0x000000000CA92000-memory.dmp

Filesize
712KB

Download
memory/3460-6-0x0000000005520000-0x0000000005528000-memory.dmp

Filesize
32KB

Download
memory/3460-7-0x0000000009FB0000-0x000000000A04C000-memory.dmp

Filesize
624KB

Download
memory/3460-1-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/3460-4-0x0000000005210000-0x0000000005220000-memory.dmp

Filesize
64KB

Download
memory/3460-18-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download
memory/3460-3-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/3460-2-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/3460-0-0x0000000000900000-0x00000000009D2000-memory.dmp

Filesize
840KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads