Analysis
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max time kernel
91s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
05-01-2023 06:40
Static task
static1
Behavioral task
behavioral1
Sample
00a9889993cc0fb8d150e7cea212e295.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
00a9889993cc0fb8d150e7cea212e295.exe
Resource
win10v2004-20220812-en
General
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Target
00a9889993cc0fb8d150e7cea212e295.exe
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Size
710KB
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MD5
00a9889993cc0fb8d150e7cea212e295
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SHA1
9da08b5a0ea95a81cbd17447055b89ccc1e3881f
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SHA256
e2e3877d5964d7b25f746929ccd4200f22901f3cfe108f2d03c11d28b4562b05
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SHA512
bf8d0daba3ff92ad1cf0b74c0c8554dc83cdf521493ad6d90219bb8049873c111a4563fae490fab7a7db00197bafb16a1910cd66614319b6196a9d0e9b30090b
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SSDEEP
12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZoCzZWpfb:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pcN
Malware Config
Signatures
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Matiex Main payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4336-137-0x0000000000400000-0x0000000000482000-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:
00a9889993cc0fb8d150e7cea212e295.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 00a9889993cc0fb8d150e7cea212e295.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 00a9889993cc0fb8d150e7cea212e295.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 00a9889993cc0fb8d150e7cea212e295.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 5 checkip.dyndns.org 10 freegeoip.app 11 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
00a9889993cc0fb8d150e7cea212e295.exedescription pid process target process PID 5060 set thread context of 4336 5060 00a9889993cc0fb8d150e7cea212e295.exe 00a9889993cc0fb8d150e7cea212e295.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 308 4336 WerFault.exe 00a9889993cc0fb8d150e7cea212e295.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:
00a9889993cc0fb8d150e7cea212e295.exepid process 5060 00a9889993cc0fb8d150e7cea212e295.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
00a9889993cc0fb8d150e7cea212e295.exedescription pid process Token: SeDebugPrivilege 4336 00a9889993cc0fb8d150e7cea212e295.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
00a9889993cc0fb8d150e7cea212e295.execmd.exedescription pid process target process PID 5060 wrote to memory of 4904 5060 00a9889993cc0fb8d150e7cea212e295.exe cmd.exe PID 5060 wrote to memory of 4904 5060 00a9889993cc0fb8d150e7cea212e295.exe cmd.exe PID 5060 wrote to memory of 4904 5060 00a9889993cc0fb8d150e7cea212e295.exe cmd.exe PID 5060 wrote to memory of 4336 5060 00a9889993cc0fb8d150e7cea212e295.exe 00a9889993cc0fb8d150e7cea212e295.exe PID 5060 wrote to memory of 4336 5060 00a9889993cc0fb8d150e7cea212e295.exe 00a9889993cc0fb8d150e7cea212e295.exe PID 5060 wrote to memory of 4336 5060 00a9889993cc0fb8d150e7cea212e295.exe 00a9889993cc0fb8d150e7cea212e295.exe PID 5060 wrote to memory of 4336 5060 00a9889993cc0fb8d150e7cea212e295.exe 00a9889993cc0fb8d150e7cea212e295.exe PID 4904 wrote to memory of 4692 4904 cmd.exe schtasks.exe PID 4904 wrote to memory of 4692 4904 cmd.exe schtasks.exe PID 4904 wrote to memory of 4692 4904 cmd.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
00a9889993cc0fb8d150e7cea212e295.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 00a9889993cc0fb8d150e7cea212e295.exe -
outlook_win_path 1 IoCs
Processes:
00a9889993cc0fb8d150e7cea212e295.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 00a9889993cc0fb8d150e7cea212e295.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\00a9889993cc0fb8d150e7cea212e295.exe"C:\Users\Admin\AppData\Local\Temp\00a9889993cc0fb8d150e7cea212e295.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\00a9889993cc0fb8d150e7cea212e295.exe"C:\Users\Admin\AppData\Local\Temp\00a9889993cc0fb8d150e7cea212e295.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 18963⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4336 -ip 43361⤵
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
MD52feaac3555165aa7b76fabc3984fe19b
SHA176710b1b204309f4d057eba17bba71b7444f52af
SHA25668052979b38f028b24e466114471d2d49568b83a9a7f051a82a72c5ca4e8c01c
SHA51281cf57a2ad53f9eaf9a21799dc87e7846a1669a370e05597f58ffb87a91f8f38814375e675880a6d9cdb5bb667d47cb875e6fb471d9a9b143f81a83e6f5b6739
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memory/4336-133-0x0000000000000000-mapping.dmp
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memory/4336-137-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4336-138-0x0000000005480000-0x000000000551C000-memory.dmpFilesize
624KB
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memory/4336-139-0x0000000005AD0000-0x0000000006074000-memory.dmpFilesize
5.6MB
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memory/4336-140-0x0000000005520000-0x0000000005586000-memory.dmpFilesize
408KB
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memory/4692-134-0x0000000000000000-mapping.dmp
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memory/4904-132-0x0000000000000000-mapping.dmp
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memory/5060-135-0x00000000006FA000-0x0000000000700000-memory.dmpFilesize
24KB