matiex | b96850cee9d8aa809a8309e59494684dabb15283f681f6f3d45fd8d8b805e219

General

Target

PRODUCT LIST AND REQUIREMENTS.exe
Size

1.7MB
MD5

3503052c21905540c370721cbd53bbea
SHA1

029640cc20901a8d59e7d49e85bda356752b5d35
SHA256

b96850cee9d8aa809a8309e59494684dabb15283f681f6f3d45fd8d8b805e219
SHA512

efb959b99272233681dd32b6a1a21e4d6674a9442ac08f5c54d7bb1349f459f0aa98cd7c3e0a1c10a1b8a936a8dbdce0062dd857cc300f1db2746f44c0d61d85

Score

10^/10

matiex collection keylogger stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
aarescuenigeria.com
Port:
587
Username:
[email protected]
Password:
master@123

Extracted

Family

matiex

Credentials

Protocol: smtp
Host:
aarescuenigeria.com
Port:
587
Username:
[email protected]
Password:
master@123
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

Processes:

resource	yara_rule
behavioral2/memory/1268-133-0x0000000000400000-0x0000000000476000-memory.dmp	family_matiex

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

aspnet_compiler.exe

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

19 checkip.dyndns.org
21 freegeoip.app
22 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

PRODUCT LIST AND REQUIREMENTS.exe

description pid process target process

PID 536 set thread context of 1268 536 PRODUCT LIST AND REQUIREMENTS.exe aspnet_compiler.exe

flow	ioc
19	checkip.dyndns.org
21	freegeoip.app
22	freegeoip.app

description	pid	process	target process
PID 536 set thread context of 1268	536	PRODUCT LIST AND REQUIREMENTS.exe	aspnet_compiler.exe

Drops file in Windows directory 8 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

aspnet_compiler.exe

pid process

1268 aspnet_compiler.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

aspnet_compiler.exe

pid process

1268 aspnet_compiler.exe

pid	process
1268	aspnet_compiler.exe

pid	process
1268	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

PRODUCT LIST AND REQUIREMENTS.exeaspnet_compiler.exesvchost.exeTiWorker.exe

description	pid	process
Token: SeDebugPrivilege	536	PRODUCT LIST AND REQUIREMENTS.exe
Token: SeDebugPrivilege	1268	aspnet_compiler.exe
Token: SeShutdownPrivilege	4748	svchost.exe
Token: SeCreatePagefilePrivilege	4748	svchost.exe
Token: SeShutdownPrivilege	4748	svchost.exe
Token: SeCreatePagefilePrivilege	4748	svchost.exe
Token: SeShutdownPrivilege	4748	svchost.exe
Token: SeCreatePagefilePrivilege	4748	svchost.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe
Token: SeSecurityPrivilege	504	TiWorker.exe
Token: SeBackupPrivilege	504	TiWorker.exe
Token: SeRestorePrivilege	504	TiWorker.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

aspnet_compiler.exe

pid process

1268 aspnet_compiler.exe

pid	process
1268	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PRODUCT LIST AND REQUIREMENTS.exeaspnet_compiler.exe

description	pid	process	target process
PID 536 wrote to memory of 1268	536	PRODUCT LIST AND REQUIREMENTS.exe	aspnet_compiler.exe
PID 536 wrote to memory of 1268	536	PRODUCT LIST AND REQUIREMENTS.exe	aspnet_compiler.exe
PID 536 wrote to memory of 1268	536	PRODUCT LIST AND REQUIREMENTS.exe	aspnet_compiler.exe
PID 536 wrote to memory of 1268	536	PRODUCT LIST AND REQUIREMENTS.exe	aspnet_compiler.exe
PID 536 wrote to memory of 1268	536	PRODUCT LIST AND REQUIREMENTS.exe	aspnet_compiler.exe
PID 536 wrote to memory of 1268	536	PRODUCT LIST AND REQUIREMENTS.exe	aspnet_compiler.exe
PID 536 wrote to memory of 1268	536	PRODUCT LIST AND REQUIREMENTS.exe	aspnet_compiler.exe
PID 536 wrote to memory of 1268	536	PRODUCT LIST AND REQUIREMENTS.exe	aspnet_compiler.exe
PID 1268 wrote to memory of 3512	1268	aspnet_compiler.exe	netsh.exe
PID 1268 wrote to memory of 3512	1268	aspnet_compiler.exe	netsh.exe
PID 1268 wrote to memory of 3512	1268	aspnet_compiler.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

aspnet_compiler.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	aspnet_compiler.exe

outlook_win_path 1 IoCs

Processes:

aspnet_compiler.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	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\PRODUCT LIST AND REQUIREMENTS.exe
"C:\Users\Admin\AppData\Local\Temp\PRODUCT LIST AND REQUIREMENTS.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:536

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1268

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:3512

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4748

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:504

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/536-130-0x00007FFC89273000-0x00007FFC89275000-memory.dmp

Filesize
8KB

Download
memory/536-131-0x0000000000A20000-0x0000000000BE0000-memory.dmp

Filesize
1.8MB

Download
memory/536-132-0x000000001CDF0000-0x000000001CDF2000-memory.dmp

Filesize
8KB

Download
memory/1268-138-0x0000000005340000-0x0000000005341000-memory.dmp

Filesize
4KB

Download
memory/1268-134-0x00000000752FE000-0x00000000752FF000-memory.dmp

Filesize
4KB

Download
memory/1268-135-0x0000000005250000-0x00000000052EC000-memory.dmp

Filesize
624KB

Download
memory/1268-136-0x00000000058A0000-0x0000000005E44000-memory.dmp

Filesize
5.6MB

Download
memory/1268-137-0x0000000005360000-0x00000000053C6000-memory.dmp

Filesize
408KB

Download
memory/1268-133-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1268-139-0x00000000069B0000-0x0000000006A42000-memory.dmp

Filesize
584KB

Download
memory/1268-140-0x00000000069A0000-0x00000000069AA000-memory.dmp

Filesize
40KB

Download
memory/1268-144-0x0000000006F80000-0x0000000007142000-memory.dmp

Filesize
1.8MB

Download
memory/1268-145-0x0000000005343000-0x0000000005345000-memory.dmp

Filesize
8KB

Download
memory/4748-141-0x000001AE5E820000-0x000001AE5E830000-memory.dmp

Filesize
64KB

Download
memory/4748-142-0x000001AE5E880000-0x000001AE5E890000-memory.dmp

Filesize
64KB

Download
memory/4748-143-0x000001AE60F40000-0x000001AE60F44000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads