matiex | 84713794adf24d58fb273365dad3cf164e859ec678447aeb261edb0a3c0a8e6d

General

Target

a68893e5a83010fb5bb3e5f302f1d9e8.exe
Size

704KB
MD5

a68893e5a83010fb5bb3e5f302f1d9e8
SHA1

aeeec1d07fa64030b7521841563d6a5076fa6f46
SHA256

84713794adf24d58fb273365dad3cf164e859ec678447aeb261edb0a3c0a8e6d
SHA512

c3b6a7a0284e6e3253cc6208b7b7b27c6806326db952dfee79ac552fc7a280da50c41165e93aff48c0c62a764c05482367d8d5879d44ed395d88f8e1c5445a8e
SSDEEP

12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZoCzZWpfb:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pcN

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

Processes:

resource	yara_rule
behavioral2/memory/3692-139-0x0000000000400000-0x0000000000482000-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

Processes:

a68893e5a83010fb5bb3e5f302f1d9e8.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a68893e5a83010fb5bb3e5f302f1d9e8.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a68893e5a83010fb5bb3e5f302f1d9e8.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a68893e5a83010fb5bb3e5f302f1d9e8.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.

Processes:

flow ioc

12 freegeoip.app
13 freegeoip.app
10 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

a68893e5a83010fb5bb3e5f302f1d9e8.exe

description pid process target process

PID 2312 set thread context of 3692 2312 a68893e5a83010fb5bb3e5f302f1d9e8.exe a68893e5a83010fb5bb3e5f302f1d9e8.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3728 3692 WerFault.exe a68893e5a83010fb5bb3e5f302f1d9e8.exe
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

1576 schtasks.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

a68893e5a83010fb5bb3e5f302f1d9e8.exe

pid process

2312 a68893e5a83010fb5bb3e5f302f1d9e8.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a68893e5a83010fb5bb3e5f302f1d9e8.exe

description pid process

Token: SeDebugPrivilege 3692 a68893e5a83010fb5bb3e5f302f1d9e8.exe

flow	ioc
12	freegeoip.app
13	freegeoip.app
10	checkip.dyndns.org

description	pid	process	target process
PID 2312 set thread context of 3692	2312	a68893e5a83010fb5bb3e5f302f1d9e8.exe	a68893e5a83010fb5bb3e5f302f1d9e8.exe

pid	pid_target	process	target process
3728	3692	WerFault.exe	a68893e5a83010fb5bb3e5f302f1d9e8.exe

pid	process
1576	schtasks.exe

pid	process
2312	a68893e5a83010fb5bb3e5f302f1d9e8.exe

description	pid	process
Token: SeDebugPrivilege	3692	a68893e5a83010fb5bb3e5f302f1d9e8.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

a68893e5a83010fb5bb3e5f302f1d9e8.execmd.exe

description	pid	process	target process
PID 2312 wrote to memory of 3460	2312	a68893e5a83010fb5bb3e5f302f1d9e8.exe	cmd.exe
PID 2312 wrote to memory of 3460	2312	a68893e5a83010fb5bb3e5f302f1d9e8.exe	cmd.exe
PID 2312 wrote to memory of 3460	2312	a68893e5a83010fb5bb3e5f302f1d9e8.exe	cmd.exe
PID 2312 wrote to memory of 3692	2312	a68893e5a83010fb5bb3e5f302f1d9e8.exe	a68893e5a83010fb5bb3e5f302f1d9e8.exe
PID 2312 wrote to memory of 3692	2312	a68893e5a83010fb5bb3e5f302f1d9e8.exe	a68893e5a83010fb5bb3e5f302f1d9e8.exe
PID 2312 wrote to memory of 3692	2312	a68893e5a83010fb5bb3e5f302f1d9e8.exe	a68893e5a83010fb5bb3e5f302f1d9e8.exe
PID 2312 wrote to memory of 3692	2312	a68893e5a83010fb5bb3e5f302f1d9e8.exe	a68893e5a83010fb5bb3e5f302f1d9e8.exe
PID 3460 wrote to memory of 1576	3460	cmd.exe	schtasks.exe
PID 3460 wrote to memory of 1576	3460	cmd.exe	schtasks.exe
PID 3460 wrote to memory of 1576	3460	cmd.exe	schtasks.exe

outlook_office_path 1 IoCs

Processes:

a68893e5a83010fb5bb3e5f302f1d9e8.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a68893e5a83010fb5bb3e5f302f1d9e8.exe

outlook_win_path 1 IoCs

Processes:

a68893e5a83010fb5bb3e5f302f1d9e8.exe

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	a68893e5a83010fb5bb3e5f302f1d9e8.exe

C:\Users\Admin\AppData\Local\Temp\a68893e5a83010fb5bb3e5f302f1d9e8.exe
"C:\Users\Admin\AppData\Local\Temp\a68893e5a83010fb5bb3e5f302f1d9e8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2312

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:3460

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
3⤵
- Creates scheduled task(s)
PID:1576

C:\Users\Admin\AppData\Local\Temp\a68893e5a83010fb5bb3e5f302f1d9e8.exe
"C:\Users\Admin\AppData\Local\Temp\a68893e5a83010fb5bb3e5f302f1d9e8.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 1904
3⤵
- Program crash
PID:3728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3692 -ip 3692
1⤵
PID:3912

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

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

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/1576-134-0x0000000000000000-mapping.dmp

Download
memory/2312-135-0x0000000000EFA000-0x0000000000F00000-memory.dmp

Filesize
24KB

Download
memory/3460-132-0x0000000000000000-mapping.dmp

Download
memory/3692-133-0x0000000000000000-mapping.dmp

Download
memory/3692-137-0x0000000005130000-0x00000000051CC000-memory.dmp

Filesize
624KB

Download
memory/3692-138-0x0000000005780000-0x0000000005D24000-memory.dmp

Filesize
5.6MB

Download
memory/3692-139-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3692-140-0x0000000005240000-0x00000000052A6000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads