matiex | c56e1cb494b6e10bfa87e5e7fef8a6ba8665888851ba9a0414fd3b54eba14959

General

Target

ab1a2739a4592069e79419ade33a167d.exe
Size

576KB
MD5

ab1a2739a4592069e79419ade33a167d
SHA1

8ce904d93207c9fec1052095d9319bf2697eca29
SHA256

c56e1cb494b6e10bfa87e5e7fef8a6ba8665888851ba9a0414fd3b54eba14959
SHA512

2d78c8794963f7f332720e1c3f21c1690afebf276293af5366189be328c2aec9e994142c209925f2430f4c5f6cc3b870839170d8922f8998529fbc5db1fe3438
SSDEEP

12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZo:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pc5

Score

10^/10

matiex collection keylogger spyware stealer

Malware Config

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/4384-140-0x0000000000400000-0x0000000000482000-memory.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 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab1a2739a4592069e79419ade33a167d.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab1a2739a4592069e79419ade33a167d.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab1a2739a4592069e79419ade33a167d.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
6	checkip.dyndns.org
14	freegeoip.app
15	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4364 set thread context of 4384	4364	ab1a2739a4592069e79419ade33a167d.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3888	4384	WerFault.exe	87

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

pid	Process
2096	schtasks.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2912	ab1a2739a4592069e79419ade33a167d.exe
4364	ab1a2739a4592069e79419ade33a167d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4384	ab1a2739a4592069e79419ade33a167d.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2268	2912	ab1a2739a4592069e79419ade33a167d.exe	83
PID 2912 wrote to memory of 2268	2912	ab1a2739a4592069e79419ade33a167d.exe	83
PID 2912 wrote to memory of 2268	2912	ab1a2739a4592069e79419ade33a167d.exe	83
PID 2912 wrote to memory of 4160	2912	ab1a2739a4592069e79419ade33a167d.exe	84
PID 2912 wrote to memory of 4160	2912	ab1a2739a4592069e79419ade33a167d.exe	84
PID 2912 wrote to memory of 4160	2912	ab1a2739a4592069e79419ade33a167d.exe	84
PID 2912 wrote to memory of 4364	2912	ab1a2739a4592069e79419ade33a167d.exe	85
PID 2912 wrote to memory of 4364	2912	ab1a2739a4592069e79419ade33a167d.exe	85
PID 2912 wrote to memory of 4364	2912	ab1a2739a4592069e79419ade33a167d.exe	85
PID 2268 wrote to memory of 2096	2268	cmd.exe	86
PID 2268 wrote to memory of 2096	2268	cmd.exe	86
PID 2268 wrote to memory of 2096	2268	cmd.exe	86
PID 4364 wrote to memory of 4384	4364	ab1a2739a4592069e79419ade33a167d.exe	87
PID 4364 wrote to memory of 4384	4364	ab1a2739a4592069e79419ade33a167d.exe	87
PID 4364 wrote to memory of 4384	4364	ab1a2739a4592069e79419ade33a167d.exe	87
PID 4364 wrote to memory of 4384	4364	ab1a2739a4592069e79419ade33a167d.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab1a2739a4592069e79419ade33a167d.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ab1a2739a4592069e79419ade33a167d.exe

C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe
"C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Windows\SysWOW64\cmd.exe
  cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
    3⤵
    - Creates scheduled task(s)
    PID:2096
- C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe
  "C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"
  2⤵
  PID:4160
- C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe
  "C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4364
- - C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe
    "C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:4384
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 1896
      4⤵
      Program crash
      PID:3888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4384 -ip 4384
1⤵
PID:364

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

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml

Filesize
1KB

MD5
284af8cf030ab5d0003cf68a44204bc5

SHA1
4010bf27e5ce1177ac18fac30b5c1d6ac6a51cf5

SHA256
97024db9c8cab0b562c8dbabfd8bfc615d99af32c00fe1e81084ca2c262a43f4

SHA512
19cb855bb03da299d77bbfc28d41710c57013d7de5dcd55b70dc0af9a8799ad3472386c9375103a5bb7ccc1d51759fb188e0b3a7d96a8ab918bf341e7f6e1cd4

Download Submit
memory/2912-135-0x000000000056A000-0x0000000000570000-memory.dmp

Filesize
24KB

Download
memory/4364-138-0x00000000004FA000-0x0000000000500000-memory.dmp

Filesize
24KB

Download
memory/4384-140-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4384-141-0x0000000005B20000-0x0000000005BBC000-memory.dmp

Filesize
624KB

Download
memory/4384-142-0x0000000006170000-0x0000000006714000-memory.dmp

Filesize
5.6MB

Download
memory/4384-143-0x0000000005BC0000-0x0000000005C26000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads