Analysis
- max time kernel
149s - max time network
109s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
- submitted
11/05/2026, 12:35
General
- Target Cat-Goes-Fishing-SteamRIP.com/Cat Goes Fishing Build 12575339/steam_api.dll
- Size 875KB
- Sample260511-psbcmads8m
- SHA256 940e08b8b920b069d2e341fcce6f1c08af956932277f6043712fa293083cceba
Score
5/10
Malware Config
Signatures
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Cat-Goes-Fishing-SteamRIP.com\Cat Goes Fishing Build 12575339\steam_api.dll",#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Cat-Goes-Fishing-SteamRIP.com\Cat Goes Fishing Build 12575339\steam_api.dll",#12⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/5420-0-0x0000000074760000-0x0000000075456000-memory.dmp
memory/5420-2-0x0000000074760000-0x0000000075456000-memory.dmp
memory/5420-4-0x0000000000D60000-0x0000000000DC4000-memory.dmp