Analysis
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max time kernel
117s -
max time network
146s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
09-12-2021 14:57
Static task
static1
Behavioral task
behavioral1
Sample
8e5e31f5dd73631eddc2cb57e0f48a9a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
8e5e31f5dd73631eddc2cb57e0f48a9a.exe
Resource
win10-en-20211208
General
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Target
8e5e31f5dd73631eddc2cb57e0f48a9a.exe
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Size
1.5MB
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MD5
8e5e31f5dd73631eddc2cb57e0f48a9a
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SHA1
13bd3cf85edef10be8b60c96334eda4f30eda0ba
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SHA256
356c38de132ad392f3155f48d11f97efbd7892a04499aea67dab5a76e85cb68d
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SHA512
43cf5099575d698ffbd13dc82aa76e2358629d52217cd9d019acfb52c87a29e1ef9750dee756d164787544c76cc68464b014e3f17b3236467952ef95215a94d1
Malware Config
Extracted
matiex
https://api.telegram.org/bot1769394961:AAF5BB35akL859CwVaXypIqpVsGWlaKvi7A/sendMessage?chat_id=1735544933
Signatures
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Matiex Main Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/584-62-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex behavioral1/memory/584-63-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex behavioral1/memory/584-64-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex behavioral1/memory/584-65-0x000000000047032E-mapping.dmp family_matiex behavioral1/memory/584-66-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
8e5e31f5dd73631eddc2cb57e0f48a9a.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8e5e31f5dd73631eddc2cb57e0f48a9a.exe Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8e5e31f5dd73631eddc2cb57e0f48a9a.exe Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8e5e31f5dd73631eddc2cb57e0f48a9a.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 8 freegeoip.app 9 freegeoip.app 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
8e5e31f5dd73631eddc2cb57e0f48a9a.exedescription pid process target process PID 1092 set thread context of 584 1092 8e5e31f5dd73631eddc2cb57e0f48a9a.exe 8e5e31f5dd73631eddc2cb57e0f48a9a.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
8e5e31f5dd73631eddc2cb57e0f48a9a.exepid process 584 8e5e31f5dd73631eddc2cb57e0f48a9a.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
8e5e31f5dd73631eddc2cb57e0f48a9a.exedescription pid process Token: SeDebugPrivilege 584 8e5e31f5dd73631eddc2cb57e0f48a9a.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
8e5e31f5dd73631eddc2cb57e0f48a9a.exe8e5e31f5dd73631eddc2cb57e0f48a9a.exedescription pid process target process PID 1092 wrote to memory of 584 1092 8e5e31f5dd73631eddc2cb57e0f48a9a.exe 8e5e31f5dd73631eddc2cb57e0f48a9a.exe PID 1092 wrote to memory of 584 1092 8e5e31f5dd73631eddc2cb57e0f48a9a.exe 8e5e31f5dd73631eddc2cb57e0f48a9a.exe PID 1092 wrote to memory of 584 1092 8e5e31f5dd73631eddc2cb57e0f48a9a.exe 8e5e31f5dd73631eddc2cb57e0f48a9a.exe PID 1092 wrote to memory of 584 1092 8e5e31f5dd73631eddc2cb57e0f48a9a.exe 8e5e31f5dd73631eddc2cb57e0f48a9a.exe PID 1092 wrote to memory of 584 1092 8e5e31f5dd73631eddc2cb57e0f48a9a.exe 8e5e31f5dd73631eddc2cb57e0f48a9a.exe PID 1092 wrote to memory of 584 1092 8e5e31f5dd73631eddc2cb57e0f48a9a.exe 8e5e31f5dd73631eddc2cb57e0f48a9a.exe PID 1092 wrote to memory of 584 1092 8e5e31f5dd73631eddc2cb57e0f48a9a.exe 8e5e31f5dd73631eddc2cb57e0f48a9a.exe PID 1092 wrote to memory of 584 1092 8e5e31f5dd73631eddc2cb57e0f48a9a.exe 8e5e31f5dd73631eddc2cb57e0f48a9a.exe PID 1092 wrote to memory of 584 1092 8e5e31f5dd73631eddc2cb57e0f48a9a.exe 8e5e31f5dd73631eddc2cb57e0f48a9a.exe PID 584 wrote to memory of 1972 584 8e5e31f5dd73631eddc2cb57e0f48a9a.exe netsh.exe PID 584 wrote to memory of 1972 584 8e5e31f5dd73631eddc2cb57e0f48a9a.exe netsh.exe PID 584 wrote to memory of 1972 584 8e5e31f5dd73631eddc2cb57e0f48a9a.exe netsh.exe PID 584 wrote to memory of 1972 584 8e5e31f5dd73631eddc2cb57e0f48a9a.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
8e5e31f5dd73631eddc2cb57e0f48a9a.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8e5e31f5dd73631eddc2cb57e0f48a9a.exe -
outlook_win_path 1 IoCs
Processes:
8e5e31f5dd73631eddc2cb57e0f48a9a.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8e5e31f5dd73631eddc2cb57e0f48a9a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8e5e31f5dd73631eddc2cb57e0f48a9a.exe"C:\Users\Admin\AppData\Local\Temp\8e5e31f5dd73631eddc2cb57e0f48a9a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\8e5e31f5dd73631eddc2cb57e0f48a9a.exe"C:\Users\Admin\AppData\Local\Temp\8e5e31f5dd73631eddc2cb57e0f48a9a.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/584-64-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/584-63-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/584-68-0x0000000005890000-0x0000000005891000-memory.dmpFilesize
4KB
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memory/584-66-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/584-62-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/584-60-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/584-65-0x000000000047032E-mapping.dmp
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memory/584-61-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/1092-56-0x0000000075D61000-0x0000000075D63000-memory.dmpFilesize
8KB
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memory/1092-54-0x00000000010B0000-0x00000000010B1000-memory.dmpFilesize
4KB
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memory/1092-59-0x00000000080F0000-0x0000000008263000-memory.dmpFilesize
1.4MB
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memory/1092-58-0x0000000000430000-0x0000000000437000-memory.dmpFilesize
28KB
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memory/1092-57-0x0000000004DC0000-0x0000000004DC1000-memory.dmpFilesize
4KB
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memory/1972-69-0x0000000000000000-mapping.dmp