Analysis
-
max time kernel
91s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2022 17:03
Static task
static1
Behavioral task
behavioral1
Sample
bd05a2e89d0fa8fc885335bb28abf82f.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
bd05a2e89d0fa8fc885335bb28abf82f.exe
Resource
win10v2004-20221111-en
General
-
Target
bd05a2e89d0fa8fc885335bb28abf82f.exe
-
Size
709KB
-
MD5
bd05a2e89d0fa8fc885335bb28abf82f
-
SHA1
9d3825d8fca4c181c243aa17c5a1949faafab19d
-
SHA256
7908e0fbec2d187dbc950958fe7de240a20f19af75b2a5e3c864d316465e26f4
-
SHA512
d311a522de472e512f24c238ffb3072b2ba714e79e99e3e73f77b075e495c332056f179ab6aa388412b7235566c18afb6b015c475d4e8b30f8e1783d3cb70913
-
SSDEEP
12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZoCzZWpfb:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pcN
Malware Config
Signatures
-
Matiex Main payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/5084-138-0x0000000000400000-0x0000000000482000-memory.dmp family_matiex -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
bd05a2e89d0fa8fc885335bb28abf82f.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bd05a2e89d0fa8fc885335bb28abf82f.exe Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bd05a2e89d0fa8fc885335bb28abf82f.exe Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bd05a2e89d0fa8fc885335bb28abf82f.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 14 freegeoip.app 15 freegeoip.app 11 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bd05a2e89d0fa8fc885335bb28abf82f.exedescription pid process target process PID 440 set thread context of 5084 440 bd05a2e89d0fa8fc885335bb28abf82f.exe bd05a2e89d0fa8fc885335bb28abf82f.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4796 5084 WerFault.exe bd05a2e89d0fa8fc885335bb28abf82f.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
bd05a2e89d0fa8fc885335bb28abf82f.exepid process 440 bd05a2e89d0fa8fc885335bb28abf82f.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bd05a2e89d0fa8fc885335bb28abf82f.exedescription pid process Token: SeDebugPrivilege 5084 bd05a2e89d0fa8fc885335bb28abf82f.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
bd05a2e89d0fa8fc885335bb28abf82f.execmd.exedescription pid process target process PID 440 wrote to memory of 4284 440 bd05a2e89d0fa8fc885335bb28abf82f.exe cmd.exe PID 440 wrote to memory of 4284 440 bd05a2e89d0fa8fc885335bb28abf82f.exe cmd.exe PID 440 wrote to memory of 4284 440 bd05a2e89d0fa8fc885335bb28abf82f.exe cmd.exe PID 440 wrote to memory of 5084 440 bd05a2e89d0fa8fc885335bb28abf82f.exe bd05a2e89d0fa8fc885335bb28abf82f.exe PID 440 wrote to memory of 5084 440 bd05a2e89d0fa8fc885335bb28abf82f.exe bd05a2e89d0fa8fc885335bb28abf82f.exe PID 440 wrote to memory of 5084 440 bd05a2e89d0fa8fc885335bb28abf82f.exe bd05a2e89d0fa8fc885335bb28abf82f.exe PID 440 wrote to memory of 5084 440 bd05a2e89d0fa8fc885335bb28abf82f.exe bd05a2e89d0fa8fc885335bb28abf82f.exe PID 4284 wrote to memory of 3768 4284 cmd.exe schtasks.exe PID 4284 wrote to memory of 3768 4284 cmd.exe schtasks.exe PID 4284 wrote to memory of 3768 4284 cmd.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
bd05a2e89d0fa8fc885335bb28abf82f.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bd05a2e89d0fa8fc885335bb28abf82f.exe -
outlook_win_path 1 IoCs
Processes:
bd05a2e89d0fa8fc885335bb28abf82f.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bd05a2e89d0fa8fc885335bb28abf82f.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\bd05a2e89d0fa8fc885335bb28abf82f.exe"C:\Users\Admin\AppData\Local\Temp\bd05a2e89d0fa8fc885335bb28abf82f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.execmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"3⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Local\Temp\bd05a2e89d0fa8fc885335bb28abf82f.exe"C:\Users\Admin\AppData\Local\Temp\bd05a2e89d0fa8fc885335bb28abf82f.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 19043⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 5084 -ip 50841⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xmlFilesize
1KB
MD5e93833a5dc811722d20e043ecd456098
SHA10b3219317882da8cd167b9129384d11d9f08e482
SHA2564e6246a2b91980f9c86b85ec9941875fe41bdb8c13ef7f189ee4560fa8a8e189
SHA512c69144a3aa4a52cf888c206d85d41db7aeca5348b186d45cf027b7a364145e870bced07595f84002f7f36dceed3bfc2a85848113be1c5b1e72240979b019c1b5
-
memory/440-134-0x00000000008FA000-0x0000000000900000-memory.dmpFilesize
24KB
-
memory/440-135-0x00000000008FA000-0x0000000000900000-memory.dmpFilesize
24KB
-
memory/3768-136-0x0000000000000000-mapping.dmp
-
memory/4284-132-0x0000000000000000-mapping.dmp
-
memory/5084-133-0x0000000000000000-mapping.dmp
-
memory/5084-138-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
-
memory/5084-139-0x00000000055D0000-0x000000000566C000-memory.dmpFilesize
624KB
-
memory/5084-140-0x0000000005C20000-0x00000000061C4000-memory.dmpFilesize
5.6MB
-
memory/5084-141-0x00000000056E0000-0x0000000005746000-memory.dmpFilesize
408KB