Analysis
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max time kernel
43s -
max time network
84s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
13-02-2023 14:47
Static task
static1
Behavioral task
behavioral1
Sample
638d983d397e9ce408d91ae82b632106.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
638d983d397e9ce408d91ae82b632106.exe
Resource
win10v2004-20221111-en
General
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Target
638d983d397e9ce408d91ae82b632106.exe
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Size
640KB
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MD5
638d983d397e9ce408d91ae82b632106
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SHA1
477a1c06ff37abf3494373de86cfbf2d44d6bc1f
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SHA256
9fe57643fb90f5f1ca560a6a9861296d58290795f061f22b15dd19dcfeb882bc
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SHA512
04053481e52235cc3b6f2a21ccfd92ad9c448c80c9560ecd9ea03a0c9d771843e6830b03a0c9a2ec488a6855e0f13470f4beef3ef14608587850ecc92965e2c5
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SSDEEP
12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZoCzZW:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pcQ
Malware Config
Extracted
matiex
Protocol: smtp- Host:
srvc13.turhost.com - Port:
587 - Username:
info@bilgitekdagitim.com - Password:
italik2015
Signatures
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Matiex Main payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1500-60-0x0000000000BC0000-0x0000000000C32000-memory.dmp family_matiex behavioral1/memory/1500-61-0x0000000000400000-0x0000000000482000-memory.dmp family_matiex -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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:
638d983d397e9ce408d91ae82b632106.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 638d983d397e9ce408d91ae82b632106.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 638d983d397e9ce408d91ae82b632106.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 638d983d397e9ce408d91ae82b632106.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 3 checkip.dyndns.org 7 freegeoip.app 8 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
638d983d397e9ce408d91ae82b632106.exedescription pid process target process PID 1728 set thread context of 1500 1728 638d983d397e9ce408d91ae82b632106.exe 638d983d397e9ce408d91ae82b632106.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1052 1500 WerFault.exe 638d983d397e9ce408d91ae82b632106.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
638d983d397e9ce408d91ae82b632106.exepid process 1728 638d983d397e9ce408d91ae82b632106.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
638d983d397e9ce408d91ae82b632106.exedescription pid process Token: SeDebugPrivilege 1500 638d983d397e9ce408d91ae82b632106.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
638d983d397e9ce408d91ae82b632106.execmd.exe638d983d397e9ce408d91ae82b632106.exedescription pid process target process PID 1728 wrote to memory of 1928 1728 638d983d397e9ce408d91ae82b632106.exe cmd.exe PID 1728 wrote to memory of 1928 1728 638d983d397e9ce408d91ae82b632106.exe cmd.exe PID 1728 wrote to memory of 1928 1728 638d983d397e9ce408d91ae82b632106.exe cmd.exe PID 1728 wrote to memory of 1928 1728 638d983d397e9ce408d91ae82b632106.exe cmd.exe PID 1728 wrote to memory of 1500 1728 638d983d397e9ce408d91ae82b632106.exe 638d983d397e9ce408d91ae82b632106.exe PID 1728 wrote to memory of 1500 1728 638d983d397e9ce408d91ae82b632106.exe 638d983d397e9ce408d91ae82b632106.exe PID 1728 wrote to memory of 1500 1728 638d983d397e9ce408d91ae82b632106.exe 638d983d397e9ce408d91ae82b632106.exe PID 1728 wrote to memory of 1500 1728 638d983d397e9ce408d91ae82b632106.exe 638d983d397e9ce408d91ae82b632106.exe PID 1928 wrote to memory of 1428 1928 cmd.exe schtasks.exe PID 1928 wrote to memory of 1428 1928 cmd.exe schtasks.exe PID 1928 wrote to memory of 1428 1928 cmd.exe schtasks.exe PID 1928 wrote to memory of 1428 1928 cmd.exe schtasks.exe PID 1728 wrote to memory of 1500 1728 638d983d397e9ce408d91ae82b632106.exe 638d983d397e9ce408d91ae82b632106.exe PID 1500 wrote to memory of 1052 1500 638d983d397e9ce408d91ae82b632106.exe WerFault.exe PID 1500 wrote to memory of 1052 1500 638d983d397e9ce408d91ae82b632106.exe WerFault.exe PID 1500 wrote to memory of 1052 1500 638d983d397e9ce408d91ae82b632106.exe WerFault.exe PID 1500 wrote to memory of 1052 1500 638d983d397e9ce408d91ae82b632106.exe WerFault.exe -
outlook_office_path 1 IoCs
Processes:
638d983d397e9ce408d91ae82b632106.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 638d983d397e9ce408d91ae82b632106.exe -
outlook_win_path 1 IoCs
Processes:
638d983d397e9ce408d91ae82b632106.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 638d983d397e9ce408d91ae82b632106.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\638d983d397e9ce408d91ae82b632106.exe"C:\Users\Admin\AppData\Local\Temp\638d983d397e9ce408d91ae82b632106.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\638d983d397e9ce408d91ae82b632106.exe"C:\Users\Admin\AppData\Local\Temp\638d983d397e9ce408d91ae82b632106.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 16443⤵
- Program crash
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xmlFilesize
1KB
MD5d5bd64d2ac9ae40cfab7c76d8122a152
SHA1622d2876fb0aaad2e41459d01aad6d67b21aca84
SHA2561dbff8e235fa9910e2ff5e484ffe044453f7facadf89890852610b299aa75f29
SHA51258c62c6c95803daa779112da7d41885b3a11ab8cb1f5f381e45d7203adf03d91b4475c7be9cb1359e1b73688e6f7b0d577a7a9d557495151a7ba79c2958a00bf
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memory/1052-62-0x0000000000000000-mapping.dmp
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memory/1428-55-0x0000000000000000-mapping.dmp
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memory/1500-56-0x000000000040188B-mapping.dmp
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memory/1500-57-0x0000000075DA1000-0x0000000075DA3000-memory.dmpFilesize
8KB
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memory/1500-60-0x0000000000BC0000-0x0000000000C32000-memory.dmpFilesize
456KB
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memory/1500-61-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/1728-58-0x00000000002AA000-0x00000000002B0000-memory.dmpFilesize
24KB
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memory/1928-54-0x0000000000000000-mapping.dmp