Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
27/08/2024, 04:29
General
- Target $TEMP/alumni_reunions/calendars/retail/MicrosoftXslDebugProxy.exe
- Size 36KB
- Sample240827-e4bsesvcpn
- SHA256 46b1a81f5ebb43404ac7229d14593d5f47930c8fc3fb5279ac5402507f7ea7b3
Score
3/10
Malware Config
Signatures
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\$TEMP\alumni_reunions\calendars\retail\MicrosoftXslDebugProxy.exe"C:\Users\Admin\AppData\Local\Temp\$TEMP\alumni_reunions\calendars\retail\MicrosoftXslDebugProxy.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 8122⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3120-0-0x0000000074EF2000-0x0000000074EF3000-memory.dmp
memory/3120-1-0x0000000074EF0000-0x00000000754A1000-memory.dmp
memory/3120-2-0x0000000074EF0000-0x00000000754A1000-memory.dmp
memory/3120-9-0x0000000074EF0000-0x00000000754A1000-memory.dmp