RobloxPlayerInstaller-RGB7G8VXG3[.]exe

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General

Target
RobloxPlayerInstaller-RGB7G8VXG3.exe
Size 9.6MB
Sample260804-bt5e7sttb1
SHA256 7061396441a4db97f498f7632d2a0dd460fbe73fdd096617845db84cda29ff30
MD5 5df8cc8c1c26db21d9008ed02c1b2d9d
SHA1 37ac02e3b31cd57364f180946949e3b5dfb98924
SHA512 4b1c351db527bc28a9365a66e7774e2aae8b3efa5b4b5445a5c96f1845cf46a46234fb0ebffc166c9f1cffce7097ab383381d63893b4e7f45935dd97170815c7
SSDEEP 196608:SsRNbn+JxbH+SChTUnWTlxqfy1keLyDBL2/QbGt:SkebTa1WfGkeLydoAk
TLSH
T18BA6BE22FD40C071E9C201B2A6BD6FB6597D8A340B3954C3A7C45DB94A705D33B3AB6B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Untrusted Codesign Signers 1 IoCs

Codesigned file was signed by an untrusted entity.

resource
RobloxPlayerInstaller-RGB7G8VXG3.exe

File Explorer

RobloxPlayerInstaller-RGB7G8VXG3.exe

.exe 9.6MB

RobloxPlayerInstaller-RGB7G8VXG3.exe

IMPHASH 4176dba319799e21afe980b163be4073
SHA256 7061396441a4db97f498f7632d2a0dd460fbe73fdd096617845db84cda29ff30
MD5 5df8cc8c1c26db21d9008ed02c1b2d9d
SHA1 37ac02e3b31cd57364f180946949e3b5dfb98924
SHA512 4b1c351db527bc28a9365a66e7774e2aae8b3efa5b4b5445a5c96f1845cf46a46234fb0ebffc166c9f1cffce7097ab383381d63893b4e7f45935dd97170815c7
SSDEEP 196608:SsRNbn+JxbH+SChTUnWTlxqfy1keLyDBL2/QbGt:SkebTa1WfGkeLydoAk
TLSH
T18BA6BE22FD40C071E9C201B2A6BD6FB6597D8A340B3954C3A7C45DB94A705D33B3AB6B
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x86 arch:x86

Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

PE Signature issue

Digest

cd:09:a7:0f:48:93:79:fc:98:19:58:a0:60:f4:84:4a:40:e7:a9:3c:ec:0e:d0:f4:8e:41:48:83:95:64:26:27

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

SERIALNUMBER=3780902,CN=Roblox Corporation,O=Roblox Corporation,L=San Mateo,ST=California,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

Chains

Jan 1, 0001

Subject

Serial Number

01:97:20:58:e4:2c:9c:ca:bd:73:0a:b1:26:7f:15:ed

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Dec 19, 2025 - Dec 18, 2026

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Serial Number

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Apr 29, 2021 - Apr 28, 2036

Subject

CN=DigiCert SHA256 RSA4096 Timestamp Responder 2025 1,O=DigiCert\, Inc.,C=US

Serial Number

0a:80:ef:18:4b:8d:f1:05:82:d1:c4:76:a7:95:74:68

Issuer

CN=DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Jun 4, 2025 - Sep 3, 2036

Subject

CN=DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1,O=DigiCert\, Inc.,C=US

Serial Number

0d:c7:ac:57:05:ff:21:99:2e:40:43:22:0c:3a:49:86

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

May 7, 2025 - Jan 14, 2038

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Serial Number

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Revocation Status

Not revoked

Timespan

Aug 1, 2022 - Nov 9, 2031

Minor OS version

Major OS version

Entry point

7064286

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE

PDB paths

C:\buildAgent\work\ci_deploy_ninja_boot-x86_git\build.ninja\common\vs2019\x86\release\Installer\Windows\RobloxPlayerInstaller.pdb

comctl32

InitCommonControlsEx _TrackMouseEvent ord345

gdiplus

GdiplusShutdown GdipCreateBitmapFromStream GdiplusStartup GdipFree GdipDisposeImage GdipCloneImage GdipAlloc GdipCreateHBITMAPFromBitmap

uxtheme

SetWindowTheme

advapi32

RegEnumKeyExW IsValidSid ReportEventW RegisterEventSourceW DeregisterEventSource CryptEnumProvidersW CryptSignHashW CryptDecrypt CryptExportKey GetTokenInformation CryptGenRandom SystemFunction036 CryptSetHashParam CryptGetProvParam CryptGetUserKey GetUserNameW CryptAcquireContextW CryptReleaseContext CryptGetHashParam CryptCreateHash CryptHashData CryptDestroyHash RegCloseKey RegCreateKeyExW RegDeleteValueW RegOpenKeyExW RegSetValueExW RegGetValueW RegOpenKeyExA RegQueryValueExA CryptAcquireContextA CryptDestroyKey GetLengthSid RegQueryInfoKeyW RegQueryValueExW RegDeleteTreeW OpenProcessToken AllocateAndInitializeSid CopySid EqualSid FreeSid

crypt32

CertDuplicateCertificateContext CertFindCertificateInStore CertCloseStore CertEnumCertificatesInStore CertFreeCertificateContext CertGetEnhancedKeyUsage CertGetIntendedKeyUsage CertOpenSystemStoreA CertOpenStore CertGetCertificateContextProperty CertOpenSystemStoreW

ws2_32

inet_addr inet_ntop sendto gethostbyname getservbyport getservbyname shutdown gethostname getnameinfo WSASocketA htonl htons getsockopt send WSACloseEvent WSACreateEvent WSAEnumNetworkEvents WSAGetLastError socket setsockopt ntohs ntohl closesocket gethostbyaddr WSAEventSelect ioctlsocket freeaddrinfo getaddrinfo listen select __WSAFDIsSet WSAIoctl WSASetLastError recv getsockname getpeername connect bind accept WSACleanup WSAStartup recvfrom WSAWaitForMultipleEvents WSASetEvent WSAResetEvent inet_ntoa

iphlpapi

GetAdaptersAddresses if_nametoindex

api-ms-win-core-synch-l1-2-0

WakeByAddressSingle WaitOnAddress

dbghelp

SymFromAddr

shell32

SHGetKnownFolderPath ShellExecuteExW SHGetFolderPathAndSubDirW Shell_NotifyIconW ShellExecuteW

kernel32

InitializeSListHead IsProcessorFeaturePresent InitializeCriticalSectionAndSpinCount GetCPInfo UnhandledExceptionFilter GetStartupInfoW RtlUnwind LCMapStringEx EncodePointer GetLocaleInfoEx InitOnceComplete InitOnceBeginInitialize SwitchToThread SleepConditionVariableCS WakeAllConditionVariable GetStringTypeW GetCommandLineA ExitThread FreeLibraryAndExitThread SetStdHandle IsDebuggerPresent DebugBreak OutputDebugStringW CloseHandle GetLastError SetLastError HeapAlloc HeapFree GetProcessHeap ReleaseSemaphore ReleaseMutex WaitForSingleObject WaitForSingleObjectEx OpenSemaphoreW CreateMutexExW CreateSemaphoreExW GetCurrentProcessId GetCurrentThreadId GetModuleFileNameA GetModuleHandleW GetModuleHandleExW GetProcAddress FormatMessageW SetSearchPathMode GetCommandLineW VerSetConditionMask FindClose FindFirstFileW FindNextFileW GetDiskFreeSpaceExW CreateFileMappingW VerifyVersionInfoW LocaleNameToLCID GetUserDefaultLocaleName SetWaitableTimer CancelWaitableTimer CreateWaitableTimerW Sleep CreateEventA SetEvent SetUnhandledExceptionFilter CreateEventW OpenEventW TerminateProcess GetExitCodeProcess GetCurrentThread CreateProcessW SetThreadDescription GetSystemTime CreateFileW GetDriveTypeW GetVolumePathNameW GetFileInformationByHandleEx ExitProcess ReadFile MapViewOfFile UnmapViewOfFile DeleteFileW GetFileAttributesW SetFileAttributesW InitializeProcThreadAttributeList UpdateProcThreadAttribute OpenProcess GetModuleFileNameW SystemTimeToFileTime CreateToolhelp32Snapshot Process32FirstW Process32NextW K32GetModuleFileNameExW QueryPerformanceFrequency QueryPerformanceCounter GetCurrentProcessorNumber GetSystemInfo VirtualAlloc VirtualProtect VirtualFree CreateThread GetCurrentProcess GlobalMemoryStatusEx K32GetProcessMemoryInfo CreateSemaphoreA WaitForMultipleObjectsEx GetSystemTimeAsFileTime GetVersionExA IsWow64Process LoadLibraryA OutputDebugStringA GetModuleHandleA DuplicateHandle MultiByteToWideChar K32GetProcessImageFileNameA Process32First Process32Next SetEndOfFile SetFilePointer FlushViewOfFile WideCharToMultiByte FileTimeToSystemTime DecodePointer RaiseException InitializeCriticalSectionEx DeleteCriticalSection GetNativeSystemInfo LoadLibraryExW GetTickCount LoadLibraryW VirtualQuery LocalAlloc LocalFree FindResourceExW LoadResource LockResource SizeofResource FindResourceW GlobalAlloc GlobalFree GlobalUnlock GlobalLock CreateDirectoryW GetFileSizeEx RemoveDirectoryW WriteFile CopyFileW CompareStringEx GetSystemFirmwareTable FreeLibrary GetEnvironmentVariableW ReleaseSRWLockExclusive AcquireSRWLockExclusive EnterCriticalSection LeaveCriticalSection SleepEx CreateFileA GetFullPathNameW MoveFileExA GetEnvironmentVariableA CompareFileTime FormatMessageA FlushFileBuffers LockFileEx UnlockFile HeapDestroy HeapCompact HeapReAlloc DeleteFileA GetFileAttributesExW GetFileAttributesA GetDiskFreeSpaceA GetTempPathA HeapSize HeapValidate CreateMutexW GetTempPathW UnlockFileEx GetFullPathNameA LockFile GetDiskFreeSpaceW HeapCreate AreFileApisANSI InitializeCriticalSection TryEnterCriticalSection GetCurrentDirectoryW InitializeSRWLock InitializeConditionVariable WakeConditionVariable SleepConditionVariableSRW GetLogicalProcessorInformation GetFileInformationByHandle GetFileTime SetFilePointerEx SetFileTime DeviceIoControl MoveFileExW ResetEvent TlsAlloc TlsGetValue TlsSetValue TlsFree CreateWaitableTimerA WriteConsoleW GetStdHandle GetConsoleMode SetConsoleMode ReadConsoleA ReadConsoleW ReleaseSRWLockShared AcquireSRWLockShared SwitchToFiber DeleteFiber CreateFiberEx GetSystemDirectoryA GetExitCodeThread GetACP GetFileType ConvertFiberToThread ConvertThreadToFiberEx PeekNamedPipe SystemTimeToTzSpecificLocalTime GetConsoleOutputCP SetEnvironmentVariableW SetConsoleCtrlHandler GetTimeZoneInformation GetDateFormatW GetTimeFormatW CompareStringW LCMapStringW GetLocaleInfoW IsValidLocale InterlockedPushEntrySList GetUserDefaultLCID EnumSystemLocalesW FindFirstFileExW IsValidCodePage GetOEMCP GetEnvironmentStringsW FreeEnvironmentStringsW GetFinalPathNameByHandleW GetFileSize

user32

InvalidateRect EndPaint BeginPaint DrawTextW GetSystemMetrics EnumDisplayDevicesA GetUserObjectInformationW GetProcessWindowStation GetClientRect GetWindowRect GetWindowThreadProcessId SendMessageW MessageBoxW GetShellWindow TranslateAcceleratorW LoadAcceleratorsW DispatchMessageW TranslateMessage FillRect GetWindowLongW SetWindowLongW LoadBitmapW LoadIconW DefWindowProcW PostQuitMessage CallWindowProcW RegisterClassW GetMessageW DestroyIcon CreateWindowExW DestroyWindow ShowWindow GetDlgItem EnableWindow

gdi32

DeleteObject CreateSolidBrush SelectObject CreateFontW GetStockObject Rectangle SetDCPenColor SetBkMode SetDCBrushColor SetTextColor

ole32

CoCreateGuid StringFromGUID2 CoTaskMemFree CoTaskMemAlloc CoUninitialize CoInitialize CoCreateInstance CoInitializeEx

shlwapi

PathFindFileNameW PathFindExtensionW ord12

powrprof

CallNtPowerInformation

winmm

timeGetTime timeSetEvent timeGetDevCaps timeBeginPeriod timeEndPeriod

Sharing

General

Malware Config

Signatures

File Explorer

RobloxPlayerInstaller-RGB7G8VXG3.exe

PE Signature issue

comctl32

gdiplus

uxtheme

advapi32

crypt32

ws2_32

iphlpapi

api-ms-win-core-synch-l1-2-0

dbghelp

shell32

kernel32

user32

gdi32

ole32

shlwapi

powrprof

winmm

generic