matiex | 23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe

General

Target

23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
Size

190KB
MD5

d7efd8fe990580ffed407998373bcb36
SHA1

4d73d3e0509781c95ff7dea39e598b258e1de893
SHA256

23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe
SHA512

0df7b4b66726ded97930bfe283c4e0ec21256ea4cc4c321e8994558a8aed2d16a4af276630ec02054fa61797cf137778c26020dffa5a223271b8e4eba14a63a7

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/1608-146-0x0000000000400000-0x0000000000426000-memory.dmp	family_matiex

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.exe	Powershell.exe

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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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:

23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.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

31 checkip.dyndns.org
33 freegeoip.app
34 freegeoip.app

flow	ioc
31	checkip.dyndns.org
33	freegeoip.app
34	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

Processes:

23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

description	pid	process	target process
PID 408 set thread context of 1608	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

Powershell.exe23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

pid	process
4572	Powershell.exe
4572	Powershell.exe
408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
1608	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
1608	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
1608	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
1608	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
1608	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
1608	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
1608	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
1608	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

pid process

1608 23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

pid	process
1608	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Powershell.exe23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

description	pid	process
Token: SeDebugPrivilege	4572	Powershell.exe
Token: SeDebugPrivilege	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
Token: SeDebugPrivilege	1608	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

pid process

1608 23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

pid	process
1608	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

outlook_office_path 1 IoCs

Processes:

23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

outlook_win_path 1 IoCs

Processes:

23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

C:\Users\Admin\AppData\Local\Temp\23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
"C:\Users\Admin\AppData\Local\Temp\23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:408

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4572

C:\Users\Admin\AppData\Local\Temp\23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
"C:\Users\Admin\AppData\Local\Temp\23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe"
2⤵
PID:1152

C:\Users\Admin\AppData\Local\Temp\23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
"C:\Users\Admin\AppData\Local\Temp\23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe"
2⤵
PID:1336

C:\Users\Admin\AppData\Local\Temp\23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
"C:\Users\Admin\AppData\Local\Temp\23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe"
2⤵
PID:1332

C:\Users\Admin\AppData\Local\Temp\23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
"C:\Users\Admin\AppData\Local\Temp\23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1608

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe.log
MD5
f5a69d9216974a1b017e4e94be20c63f

SHA1
6993175a82e6ffa484b2bfbf691668f11484ef17

SHA256
471ce598bfe72b7166f3e1b669c84436e2d6cb758dd98e8d0e4cb44a230f42ee

SHA512
d9164f8573c6cabd01357e8f27e1500100ae932aed51f6a08734dc739e36c61e2e8b231f6ce3aaac2d9b279c3ade0ad7c5189925ee7d75d4820acfdd2cac11fd

Download Submit
memory/408-131-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/408-132-0x00000000057F0000-0x000000000588C000-memory.dmp

Filesize
624KB

Download
memory/408-133-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/408-130-0x0000000000E10000-0x0000000000E46000-memory.dmp

Filesize
216KB

Download
memory/1608-146-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1608-153-0x0000000005030000-0x00000000050CC000-memory.dmp

Filesize
624KB

Download
memory/1608-152-0x0000000007040000-0x0000000007202000-memory.dmp

Filesize
1.8MB

Download
memory/1608-151-0x0000000006E60000-0x0000000006E6A000-memory.dmp

Filesize
40KB

Download
memory/1608-150-0x0000000005030000-0x00000000050CC000-memory.dmp

Filesize
624KB

Download
memory/1608-149-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/1608-148-0x0000000005210000-0x00000000052A2000-memory.dmp

Filesize
584KB

Download
memory/4572-136-0x0000000005880000-0x00000000058A2000-memory.dmp

Filesize
136KB

Download
memory/4572-143-0x0000000006C80000-0x0000000006D16000-memory.dmp

Filesize
600KB

Download
memory/4572-144-0x0000000006C00000-0x0000000006C1A000-memory.dmp

Filesize
104KB

Download
memory/4572-145-0x0000000006C50000-0x0000000006C72000-memory.dmp

Filesize
136KB

Download
memory/4572-142-0x0000000006730000-0x000000000674E000-memory.dmp

Filesize
120KB

Download
memory/4572-141-0x0000000002FA2000-0x0000000002FA3000-memory.dmp

Filesize
4KB

Download
memory/4572-140-0x0000000002FA0000-0x0000000002FA1000-memory.dmp

Filesize
4KB

Download
memory/4572-139-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/4572-138-0x0000000006130000-0x0000000006196000-memory.dmp

Filesize
408KB

Download
memory/4572-137-0x0000000006050000-0x00000000060B6000-memory.dmp

Filesize
408KB

Download
memory/4572-135-0x00000000059B0000-0x0000000005FD8000-memory.dmp

Filesize
6.2MB

Download
memory/4572-134-0x0000000002E40000-0x0000000002E76000-memory.dmp

Filesize
216KB

Download

description	pid	process	target process
PID 408 wrote to memory of 4572	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	Powershell.exe
PID 408 wrote to memory of 4572	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	Powershell.exe
PID 408 wrote to memory of 4572	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	Powershell.exe
PID 408 wrote to memory of 1152	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1152	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1152	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1336	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1336	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1336	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1332	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1332	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1332	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1608	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1608	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1608	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1608	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1608	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1608	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1608	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe
PID 408 wrote to memory of 1608	408	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe	23f3c01c7e38b1a3677aef5987df95284e8b038a14a89eb77e0b77d162cfd6fe.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads