Analysis
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max time kernel
43s -
max time network
99s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11-02-2023 08:47
Static task
static1
Behavioral task
behavioral1
Sample
67f1c7ac6d42dbef538d693299efe53f.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
67f1c7ac6d42dbef538d693299efe53f.exe
Resource
win10v2004-20220812-en
General
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Target
67f1c7ac6d42dbef538d693299efe53f.exe
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Size
576KB
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MD5
67f1c7ac6d42dbef538d693299efe53f
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SHA1
3f50db5ab472e4b3c26bbd29f8d0ca263aa2d206
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SHA256
304fe28472a190be87a8ba280d25c15462adbe87dd31f60ce094fb01e2edbeb5
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SHA512
986e01b9dbad0c9814681d1eb724d2dac2493da1a1d36513f32d8c72c8207f34e0618186526a13bd4bed75f6981ed29fbf97a39e599592050064e82d65dc7438
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SSDEEP
12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZo:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pc5
Malware Config
Signatures
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Matiex Main payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/740-61-0x0000000000400000-0x0000000000482000-memory.dmp family_matiex behavioral1/memory/740-62-0x0000000000340000-0x00000000003B2000-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:
67f1c7ac6d42dbef538d693299efe53f.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 67f1c7ac6d42dbef538d693299efe53f.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 67f1c7ac6d42dbef538d693299efe53f.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 67f1c7ac6d42dbef538d693299efe53f.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 3 checkip.dyndns.org 7 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
67f1c7ac6d42dbef538d693299efe53f.exedescription pid process target process PID 1472 set thread context of 740 1472 67f1c7ac6d42dbef538d693299efe53f.exe 67f1c7ac6d42dbef538d693299efe53f.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1332 740 WerFault.exe 67f1c7ac6d42dbef538d693299efe53f.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:
67f1c7ac6d42dbef538d693299efe53f.exepid process 1472 67f1c7ac6d42dbef538d693299efe53f.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
67f1c7ac6d42dbef538d693299efe53f.exedescription pid process Token: SeDebugPrivilege 740 67f1c7ac6d42dbef538d693299efe53f.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
67f1c7ac6d42dbef538d693299efe53f.execmd.exe67f1c7ac6d42dbef538d693299efe53f.exedescription pid process target process PID 1472 wrote to memory of 2032 1472 67f1c7ac6d42dbef538d693299efe53f.exe cmd.exe PID 1472 wrote to memory of 2032 1472 67f1c7ac6d42dbef538d693299efe53f.exe cmd.exe PID 1472 wrote to memory of 2032 1472 67f1c7ac6d42dbef538d693299efe53f.exe cmd.exe PID 1472 wrote to memory of 2032 1472 67f1c7ac6d42dbef538d693299efe53f.exe cmd.exe PID 1472 wrote to memory of 740 1472 67f1c7ac6d42dbef538d693299efe53f.exe 67f1c7ac6d42dbef538d693299efe53f.exe PID 1472 wrote to memory of 740 1472 67f1c7ac6d42dbef538d693299efe53f.exe 67f1c7ac6d42dbef538d693299efe53f.exe PID 1472 wrote to memory of 740 1472 67f1c7ac6d42dbef538d693299efe53f.exe 67f1c7ac6d42dbef538d693299efe53f.exe PID 1472 wrote to memory of 740 1472 67f1c7ac6d42dbef538d693299efe53f.exe 67f1c7ac6d42dbef538d693299efe53f.exe PID 1472 wrote to memory of 740 1472 67f1c7ac6d42dbef538d693299efe53f.exe 67f1c7ac6d42dbef538d693299efe53f.exe PID 2032 wrote to memory of 1900 2032 cmd.exe schtasks.exe PID 2032 wrote to memory of 1900 2032 cmd.exe schtasks.exe PID 2032 wrote to memory of 1900 2032 cmd.exe schtasks.exe PID 2032 wrote to memory of 1900 2032 cmd.exe schtasks.exe PID 740 wrote to memory of 1332 740 67f1c7ac6d42dbef538d693299efe53f.exe WerFault.exe PID 740 wrote to memory of 1332 740 67f1c7ac6d42dbef538d693299efe53f.exe WerFault.exe PID 740 wrote to memory of 1332 740 67f1c7ac6d42dbef538d693299efe53f.exe WerFault.exe PID 740 wrote to memory of 1332 740 67f1c7ac6d42dbef538d693299efe53f.exe WerFault.exe -
outlook_office_path 1 IoCs
Processes:
67f1c7ac6d42dbef538d693299efe53f.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 67f1c7ac6d42dbef538d693299efe53f.exe -
outlook_win_path 1 IoCs
Processes:
67f1c7ac6d42dbef538d693299efe53f.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 67f1c7ac6d42dbef538d693299efe53f.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\67f1c7ac6d42dbef538d693299efe53f.exe"C:\Users\Admin\AppData\Local\Temp\67f1c7ac6d42dbef538d693299efe53f.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\67f1c7ac6d42dbef538d693299efe53f.exe"C:\Users\Admin\AppData\Local\Temp\67f1c7ac6d42dbef538d693299efe53f.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 740 -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
MD5dea070bce66d1fbc1feb65e7103d19dd
SHA19ec51066ac265a0fdf400d26d19cb844a01e4d27
SHA256d2262af5148f92c65ca685d63e78873dd781ce5dd220a3f16407b58213304386
SHA51297574217239bfb9f3c15141b25b2576db45d72db2c68b6b41d8c1e55b462b03ce7420553ac4df6b99c636358ce18d553a9be59fad802451ce1ba1aad5a5a0df6
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memory/740-56-0x000000000040188B-mapping.dmp
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memory/740-57-0x0000000075451000-0x0000000075453000-memory.dmpFilesize
8KB
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memory/740-61-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/740-62-0x0000000000340000-0x00000000003B2000-memory.dmpFilesize
456KB
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memory/1332-63-0x0000000000000000-mapping.dmp
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memory/1472-54-0x000000000043A000-0x0000000000440000-memory.dmpFilesize
24KB
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memory/1472-58-0x000000000043A000-0x0000000000440000-memory.dmpFilesize
24KB
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memory/1900-59-0x0000000000000000-mapping.dmp
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memory/2032-55-0x0000000000000000-mapping.dmp