Summary

RobloxPlayerInstaller.exe

File RobloxPlayerInstaller.exe

Summary
Download Resubmit sample

Size 9.2MB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 bcfb0a4e8e3006a6b9d3de50793f1317
SHA1 336f512aae09a4ff9f669331e231a676ca922e06
SHA256 cf2ab73af97dc276b0a5e0d2d08cd5b6ce82a48f7763fcb9a13621f7bc86c086
SHA512
fc79fe459a8f24a79b0c9c595c5fd03d027177abcedf0b2e1bfbb85f672b835a3efb105a2be6b93dcc50c6bb58d24f14bc471252c64229c5ec883c2768809d4b
CRC32 293203D1
ssdeep None
PDB Path C:\buildAgent\work\ci_deploy_ninja_boot-x86_git\build.ninja\common\vs2019\x86\release\Installer\Windows\RobloxPlayerInstaller.pdb
Yara
  • with_sqlite - Rule to detect the presence of SQLite data in raw image
  • GenerateTLSClientHelloPacket_Test - (no description)
  • DebuggerException__SetConsoleCtrl - (no description)
  • Check_OutputDebugStringA_iat - (no description)
  • DebuggerCheck__MemoryWorkingSet - Anti-debug process memory working set size check
  • anti_dbg - Checks if being debugged
  • antisb_threatExpert - Anti-Sandbox checks for ThreatExpert
  • network_tcp_listen - Listen for incoming communication
  • network_http - Communications over HTTP
  • network_tcp_socket - Communications over RAW socket

Score

This file appears fairly benign with a score of 0.7 out of 10.

Please notice: The scoring system is currently still in development and should be considered an alpha feature.

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE Feb. 5, 2026, 9:18 p.m. Feb. 5, 2026, 9:18 p.m. 47 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2026-02-05 20:18:08,015 [analyzer] DEBUG: Starting analyzer from: C:\tmpd0os1j
2026-02-05 20:18:08,030 [analyzer] DEBUG: Pipe server name: \??\PIPE\EyWadzkUCTXpYHnhDv
2026-02-05 20:18:08,030 [analyzer] DEBUG: Log pipe server name: \??\PIPE\VVHfxouKQrxFMuBMBXIaQsoc
2026-02-05 20:18:08,280 [analyzer] DEBUG: Started auxiliary module Curtain
2026-02-05 20:18:08,280 [analyzer] DEBUG: Started auxiliary module DbgView
2026-02-05 20:18:08,703 [analyzer] DEBUG: Started auxiliary module Disguise
2026-02-05 20:18:08,890 [analyzer] DEBUG: Loaded monitor into process with pid 512
2026-02-05 20:18:08,890 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2026-02-05 20:18:08,890 [analyzer] DEBUG: Started auxiliary module Human
2026-02-05 20:18:08,905 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2026-02-05 20:18:08,905 [analyzer] DEBUG: Started auxiliary module Reboot
2026-02-05 20:18:08,967 [analyzer] DEBUG: Started auxiliary module RecentFiles
2026-02-05 20:18:08,967 [analyzer] DEBUG: Started auxiliary module Screenshots
2026-02-05 20:18:08,967 [analyzer] DEBUG: Started auxiliary module Sysmon
2026-02-05 20:18:08,967 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2026-02-05 20:18:09,187 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\RobloxPlayerInstaller.exe' with arguments '' and pid 812
2026-02-05 20:18:10,187 [analyzer] INFO: Process with pid 812 has terminated
2026-02-05 20:18:10,187 [analyzer] INFO: Process list is empty, terminating analysis.
2026-02-05 20:18:11,390 [analyzer] INFO: Terminating remaining processes before shutdown.
2026-02-05 20:18:11,390 [analyzer] INFO: Analysis completed.

Cuckoo Log

2026-02-05 21:18:09,957 [cuckoo.core.scheduler] INFO: Task #7450845: acquired machine win7x6429 (label=win7x6429)
2026-02-05 21:18:09,958 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.229 for task #7450845
2026-02-05 21:18:10,307 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 3188539 (interface=vboxnet0, host=192.168.168.229)
2026-02-05 21:18:17,967 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6429
2026-02-05 21:18:18,495 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6429 to vmcloak
2026-02-05 21:18:34,331 [cuckoo.core.guest] INFO: Starting analysis #7450845 on guest (id=win7x6429, ip=192.168.168.229)
2026-02-05 21:18:35,336 [cuckoo.core.guest] DEBUG: win7x6429: not ready yet
2026-02-05 21:18:40,361 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6429, ip=192.168.168.229)
2026-02-05 21:18:40,460 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6429, ip=192.168.168.229, monitor=latest, size=6660546)
2026-02-05 21:18:42,205 [cuckoo.core.resultserver] DEBUG: Task #7450845: live log analysis.log initialized.
2026-02-05 21:18:43,131 [cuckoo.core.resultserver] DEBUG: Task #7450845 is sending a BSON stream
2026-02-05 21:18:44,388 [cuckoo.core.resultserver] DEBUG: Task #7450845: File upload for 'shots/0001.jpg'
2026-02-05 21:18:44,405 [cuckoo.core.resultserver] DEBUG: Task #7450845 uploaded file length: 133370
2026-02-05 21:18:45,594 [cuckoo.core.resultserver] DEBUG: Task #7450845: File upload for 'curtain/1770319091.28.curtain.log'
2026-02-05 21:18:45,598 [cuckoo.core.resultserver] DEBUG: Task #7450845 uploaded file length: 36
2026-02-05 21:18:45,699 [cuckoo.core.resultserver] DEBUG: Task #7450845: File upload for 'sysmon/1770319091.39.sysmon.xml'
2026-02-05 21:18:45,703 [cuckoo.core.resultserver] DEBUG: Task #7450845 uploaded file length: 24876
2026-02-05 21:18:46,484 [cuckoo.core.resultserver] DEBUG: Task #7450845 had connection reset for <Context for LOG>
2026-02-05 21:18:47,719 [cuckoo.core.guest] INFO: win7x6429: analysis completed successfully
2026-02-05 21:18:47,732 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2026-02-05 21:18:47,763 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2026-02-05 21:18:48,760 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6429 to path /srv/cuckoo/cwd/storage/analyses/7450845/memory.dmp
2026-02-05 21:18:48,762 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6429
2026-02-05 21:18:56,416 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.229 for task #7450845
2026-02-05 21:18:56,760 [cuckoo.core.scheduler] DEBUG: Released database task #7450845
2026-02-05 21:18:56,775 [cuckoo.core.scheduler] INFO: Task #7450845: analysis procedure completed

Signatures

Yara rules detected for file (10 events)
description Rule to detect the presence of SQLite data in raw image rule with_sqlite
description (no description) rule GenerateTLSClientHelloPacket_Test
description (no description) rule DebuggerException__SetConsoleCtrl
description (no description) rule Check_OutputDebugStringA_iat
description Anti-debug process memory working set size check rule DebuggerCheck__MemoryWorkingSet
description Checks if being debugged rule anti_dbg
description Anti-Sandbox checks for ThreatExpert rule antisb_threatExpert
description Listen for incoming communication rule network_tcp_listen
description Communications over HTTP rule network_http
description Communications over RAW socket rule network_tcp_socket
This executable has a PDB path (1 event)
pdb_path C:\buildAgent\work\ci_deploy_ninja_boot-x86_git\build.ninja\common\vs2019\x86\release\Installer\Windows\RobloxPlayerInstaller.pdb
The file contains an unknown PE resource name possibly indicative of a packer (1 event)
resource name PNG
Encryption keys have been identified in this analysis
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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