Analysis
- max time kernel
598s - max time network
449s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
29/05/2026, 00:12
General
- Target Backrooms 2026 1080p HD X264 1080p.exe
- Size 954.9MB
- Sample260529-ag6basew71
- SHA256 ce4b6e6b83df2ebdd9bb6c65b38541240cf304493b66690327521bcd32687aaf
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 2 IoCs
- 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.
- Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Backrooms 2026 1080p HD X264 1080p.exe"C:\Users\Admin\AppData\Local\Temp\Backrooms 2026 1080p HD X264 1080p.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-KGVFW7UHUK.tmp\Backrooms 2026 1080p HD X264 1080p.tmp"C:\Users\Admin\AppData\Local\Temp\is-KGVFW7UHUK.tmp\Backrooms 2026 1080p HD X264 1080p.tmp" /SL5="$C0032,3910511,905216,C:\Users\Admin\AppData\Local\Temp\Backrooms 2026 1080p HD X264 1080p.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
_isdecmp.dll
Backrooms 2026 1080p HD X264 1080p.tmp
memory/3324-0-0x0000000000C70000-0x0000000000D5C000-memory.dmp
memory/3324-12-0x0000000000C70000-0x0000000000D5C000-memory.dmp
memory/4560-5-0x00000000016F0000-0x00000000016F1000-memory.dmp
memory/4560-14-0x00000000016F0000-0x00000000016F1000-memory.dmp
memory/4560-13-0x0000000000DD0000-0x0000000001216000-memory.dmp
memory/4560-20-0x0000000000DD0000-0x0000000001216000-memory.dmp
memory/4560-26-0x0000000000DD0000-0x0000000001216000-memory.dmp
memory/4560-34-0x0000000000DD0000-0x0000000001216000-memory.dmp