Analysis
-
max time kernel
90s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
02-01-2023 07:53
Static task
static1
Behavioral task
behavioral1
Sample
a8fae326658ce7fb7aa5a3127ee35cb6.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a8fae326658ce7fb7aa5a3127ee35cb6.exe
Resource
win10v2004-20221111-en
General
-
Target
a8fae326658ce7fb7aa5a3127ee35cb6.exe
-
Size
558KB
-
MD5
a8fae326658ce7fb7aa5a3127ee35cb6
-
SHA1
6559e08cc97a2ff9bba6906a885307378aad5c03
-
SHA256
44dceefb44c2ff756c3d9093b69b76dba826ecb55ff6279fe0e519585a6fa342
-
SHA512
8c272f59e0a8de46275e43cfe7b3e2a3d226f78b77e4102775d3b58cd82cce9a355e9935939275a1f6b80784c09958cacf1b47f2984ae971c81d9a45e50c3f8d
-
SSDEEP
12288:P9SS0V7xIyeP9I1mKpDPhe950yvCfXU2euRrAMIWmA0lq:1SS0VCFI1n9EnCMB0rpGV
Malware Config
Signatures
-
Matiex Main payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/960-140-0x0000000000400000-0x0000000000483000-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:
a8fae326658ce7fb7aa5a3127ee35cb6.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a8fae326658ce7fb7aa5a3127ee35cb6.exe Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a8fae326658ce7fb7aa5a3127ee35cb6.exe Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a8fae326658ce7fb7aa5a3127ee35cb6.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 4 checkip.dyndns.org 12 freegeoip.app 13 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
a8fae326658ce7fb7aa5a3127ee35cb6.exedescription pid process target process PID 2016 set thread context of 960 2016 a8fae326658ce7fb7aa5a3127ee35cb6.exe a8fae326658ce7fb7aa5a3127ee35cb6.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2960 960 WerFault.exe a8fae326658ce7fb7aa5a3127ee35cb6.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:
a8fae326658ce7fb7aa5a3127ee35cb6.exepid process 2016 a8fae326658ce7fb7aa5a3127ee35cb6.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
a8fae326658ce7fb7aa5a3127ee35cb6.exedescription pid process Token: SeDebugPrivilege 960 a8fae326658ce7fb7aa5a3127ee35cb6.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
a8fae326658ce7fb7aa5a3127ee35cb6.execmd.exedescription pid process target process PID 2016 wrote to memory of 916 2016 a8fae326658ce7fb7aa5a3127ee35cb6.exe cmd.exe PID 2016 wrote to memory of 916 2016 a8fae326658ce7fb7aa5a3127ee35cb6.exe cmd.exe PID 2016 wrote to memory of 916 2016 a8fae326658ce7fb7aa5a3127ee35cb6.exe cmd.exe PID 2016 wrote to memory of 960 2016 a8fae326658ce7fb7aa5a3127ee35cb6.exe a8fae326658ce7fb7aa5a3127ee35cb6.exe PID 2016 wrote to memory of 960 2016 a8fae326658ce7fb7aa5a3127ee35cb6.exe a8fae326658ce7fb7aa5a3127ee35cb6.exe PID 2016 wrote to memory of 960 2016 a8fae326658ce7fb7aa5a3127ee35cb6.exe a8fae326658ce7fb7aa5a3127ee35cb6.exe PID 2016 wrote to memory of 960 2016 a8fae326658ce7fb7aa5a3127ee35cb6.exe a8fae326658ce7fb7aa5a3127ee35cb6.exe PID 916 wrote to memory of 4780 916 cmd.exe schtasks.exe PID 916 wrote to memory of 4780 916 cmd.exe schtasks.exe PID 916 wrote to memory of 4780 916 cmd.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
a8fae326658ce7fb7aa5a3127ee35cb6.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a8fae326658ce7fb7aa5a3127ee35cb6.exe -
outlook_win_path 1 IoCs
Processes:
a8fae326658ce7fb7aa5a3127ee35cb6.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 a8fae326658ce7fb7aa5a3127ee35cb6.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a8fae326658ce7fb7aa5a3127ee35cb6.exe"C:\Users\Admin\AppData\Local\Temp\a8fae326658ce7fb7aa5a3127ee35cb6.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\d4c79d78a33a481894964ddfeeee395c.xml"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\d4c79d78a33a481894964ddfeeee395c.xml"3⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Local\Temp\a8fae326658ce7fb7aa5a3127ee35cb6.exe"C:\Users\Admin\AppData\Local\Temp\a8fae326658ce7fb7aa5a3127ee35cb6.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 960 -s 24603⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 960 -ip 9601⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\d4c79d78a33a481894964ddfeeee395c.xmlFilesize
1KB
MD5e93833a5dc811722d20e043ecd456098
SHA10b3219317882da8cd167b9129384d11d9f08e482
SHA2564e6246a2b91980f9c86b85ec9941875fe41bdb8c13ef7f189ee4560fa8a8e189
SHA512c69144a3aa4a52cf888c206d85d41db7aeca5348b186d45cf027b7a364145e870bced07595f84002f7f36dceed3bfc2a85848113be1c5b1e72240979b019c1b5
-
memory/916-132-0x0000000000000000-mapping.dmp
-
memory/960-133-0x0000000000000000-mapping.dmp
-
memory/960-138-0x0000000005030000-0x00000000050CC000-memory.dmpFilesize
624KB
-
memory/960-139-0x00000000050D0000-0x0000000005136000-memory.dmpFilesize
408KB
-
memory/960-140-0x0000000000400000-0x0000000000483000-memory.dmpFilesize
524KB
-
memory/960-141-0x00000000064F0000-0x0000000006A94000-memory.dmpFilesize
5.6MB
-
memory/2016-134-0x00000000003CA000-0x00000000003D0000-memory.dmpFilesize
24KB
-
memory/2016-136-0x00000000003CA000-0x00000000003D0000-memory.dmpFilesize
24KB
-
memory/4780-135-0x0000000000000000-mapping.dmp