Analysis
-
max time kernel
140s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16-10-2024 18:35
Static task
static1
Behavioral task
behavioral1
Sample
112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe
Resource
win10v2004-20241007-en
General
-
Target
112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe
-
Size
2.1MB
-
MD5
329a2103d99a25fbf2d790898f5bb955
-
SHA1
0c907ed25959a21e79b840bed88742e214f6c8f9
-
SHA256
112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0
-
SHA512
c0332fa403c933ed0aee8ecbb40641eb96048b66f57587b885ae14f801b8e3ed32e2ea1e059740a8edc1607d4153b12dccbf3f77e9ea0422201d67120279c220
-
SSDEEP
49152:9aenqqr9wJI6S7RSSon9X6f4IeY0+h1s410I1xIdcxyNt:senq29lFHon9X5Iddq41Lxry
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
pid Process 2504 sysx32.exe 2660 _112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe -
Loads dropped DLL 8 IoCs
pid Process 2968 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 2968 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 2968 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 2824 WerFault.exe 2824 WerFault.exe 2824 WerFault.exe 2824 WerFault.exe 2824 WerFault.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sys32 = "C:\\Windows\\system32\\sysx32.exe" 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\B: sysx32.exe File opened (read-only) \??\A: sysx32.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\sysx32.exe 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe File opened for modification C:\Windows\SysWOW64\sysx32.exe 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe File created C:\Windows\SysWOW64\sysx32.exe sysx32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\7-Zip\7z.exe.tmp sysx32.exe File opened for modification C:\Program Files\7-Zip\7z.exe.tmp sysx32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2968 wrote to memory of 2504 2968 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 29 PID 2968 wrote to memory of 2504 2968 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 29 PID 2968 wrote to memory of 2504 2968 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 29 PID 2968 wrote to memory of 2504 2968 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 29 PID 2968 wrote to memory of 2660 2968 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 30 PID 2968 wrote to memory of 2660 2968 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 30 PID 2968 wrote to memory of 2660 2968 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 30 PID 2968 wrote to memory of 2660 2968 112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 30 PID 2660 wrote to memory of 2824 2660 _112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 31 PID 2660 wrote to memory of 2824 2660 _112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 31 PID 2660 wrote to memory of 2824 2660 _112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe"C:\Users\Admin\AppData\Local\Temp\112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968 -
C:\Windows\SysWOW64\sysx32.exeC:\Windows\system32\sysx32.exe /scan2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
PID:2504
-
-
C:\Users\Admin\AppData\Local\Temp\_112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exeC:\Users\Admin\AppData\Local\Temp\_112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2660 -s 5323⤵
- Loads dropped DLL
PID:2824
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.1MB
MD5329a2103d99a25fbf2d790898f5bb955
SHA10c907ed25959a21e79b840bed88742e214f6c8f9
SHA256112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0
SHA512c0332fa403c933ed0aee8ecbb40641eb96048b66f57587b885ae14f801b8e3ed32e2ea1e059740a8edc1607d4153b12dccbf3f77e9ea0422201d67120279c220
-
\Users\Admin\AppData\Local\Temp\_112f97adc478d981255bc946cbb4f0a4abb312ab9c3092052db515944c27a4c0.exe
Filesize2.0MB
MD5df35d9172bf5a58117f2d813913bcc18
SHA196af63c8c77ff5c4f3f9bf30f60075440b6efe2e
SHA2564a991aae43ada51c66d1cc2a8e31a6578838ecfb45f9c9c53d64f7d877afc086
SHA5123a5a1194f5c33b86b8b596c1decdcc1d4cf911f1c8eb1e31c11e518ea7c8e0d33ce983405dd500db70cee499ae71e77d715c76affad0a842fde4ab03cd357104