MeltScreen[.]exe | Triage™

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General

Target
MeltScreen.exe
Size 28.0MB
Sample261107-raba1scv7x
SHA256 3d8d2b9b1998dc857cac3f3be2665be57cf68717a2a4fbd9196046993e38d6a3
MD5 6eb2b56b932d23c06fd20ddcbba76e67
SHA1 9e95ed39fc7ae8b7ca9f9cb14176cba907ad06e4
SHA512 a78c41a924e7dc0c08401f22f4d2590ef6ab742f76108a671b27ba1b82a2bc03b33af64dcbe89498e792e0e3fd15304220cef1981ae8cd951aa112154dcf4486
SSDEEP 786432:kpLRvjXoRldWzVW8SECMw13yjiQ1j9dZ6bagtAitVPhQP5uUs:kp5WjEhw13yXVpUtlFQP5js
TLSH
T148573398378024E0F0D2A574D8E2593723B2B1860BE046EF27F155261A777E8BE7DF25
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

pyinstaller

Malware Config

Signatures

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
MeltScreen.exe

File Explorer

MeltScreen.exe

.exe 28.0MB
melt.pyc

3KB

MeltScreen.exe

IMPHASH e3e80a143805ea18936c8f612e25d363
SHA256 3d8d2b9b1998dc857cac3f3be2665be57cf68717a2a4fbd9196046993e38d6a3
MD5 6eb2b56b932d23c06fd20ddcbba76e67
SHA1 9e95ed39fc7ae8b7ca9f9cb14176cba907ad06e4
SHA512 a78c41a924e7dc0c08401f22f4d2590ef6ab742f76108a671b27ba1b82a2bc03b33af64dcbe89498e792e0e3fd15304220cef1981ae8cd951aa112154dcf4486
SSDEEP 786432:kpLRvjXoRldWzVW8SECMw13yjiQ1j9dZ6bagtAitVPhQP5uUs:kp5WjEhw13yXVpUtlFQP5js
TLSH
T148573398378024E0F0D2A574D8E2593723B2B1860BE046EF27F155261A777E8BE7DF25
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detects Pyinstaller

pyinstaller
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

59248

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_GUARD_CF IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

user32

CreateWindowExW ShutdownBlockReasonCreate MsgWaitForMultipleObjects ShowWindow DestroyWindow RegisterClassW DefWindowProcW PeekMessageW DispatchMessageW TranslateMessage GetMonitorInfoW MonitorFromPoint GetCursorPos GetSystemMetrics PostMessageW GetMessageW MessageBoxW MessageBoxA SystemParametersInfoW DestroyIcon SetWindowLongPtrW GetWindowLongPtrW GetClientRect InvalidateRect ReleaseDC GetDC DrawTextW GetDialogBaseUnits EndDialog DialogBoxIndirectParamW MoveWindow SendMessageW

comctl32

ord380

kernel32

GetACP IsValidCodePage GetStringTypeW GetFileAttributesExW SetEnvironmentVariableW FlushFileBuffers LCMapStringW CompareStringW VirtualProtect GetCurrentDirectoryW HeapAlloc GetFileSizeEx GetConsoleOutputCP GetOEMCP GetCPInfo GetLastError FreeLibrary GetProcAddress LoadLibraryExW GetModuleHandleW MulDiv FormatMessageW CloseHandle GetCurrentProcess GetModuleFileNameW SetDllDirectoryW GetEnvironmentStringsW SetErrorMode GetCurrentProcessId OpenProcess QueryFullProcessImageNameW CreateToolhelp32Snapshot Process32FirstW Process32NextW CreateDirectoryW GetCommandLineW GetEnvironmentVariableW ExpandEnvironmentStringsW DeleteFileW FindClose FindFirstFileW FindNextFileW GetDriveTypeW RemoveDirectoryW GetTempPathW QueryPerformanceCounter QueryPerformanceFrequency WaitForSingleObject Sleep TerminateProcess GetExitCodeProcess CreateProcessW GetStartupInfoW LocalFree SetConsoleCtrlHandler K32EnumProcessModules K32GetModuleFileNameExW CreateFileW FindFirstFileExW GetFinalPathNameByHandleW MultiByteToWideChar WideCharToMultiByte SetFilePointerEx FreeEnvironmentStringsW GetProcessHeap GetTimeZoneInformation HeapSize HeapReAlloc WriteConsoleW SetEndOfFile CreateSymbolicLinkW GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead SetUnhandledExceptionFilter RtlUnwindEx SetLastError FlsAlloc FlsGetValue FlsSetValue FlsFree EnterCriticalSection LeaveCriticalSection InitializeCriticalSectionEx DeleteCriticalSection RtlLookupFunctionEntry EncodePointer RaiseException RtlPcToFileHeader GetCommandLineA GetFileInformationByHandle GetFileType PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime ReadFile GetFullPathNameW SetStdHandle GetStdHandle WriteFile ExitProcess GetModuleHandleExW IsProcessorFeaturePresent RtlCaptureContext RtlVirtualUnwind IsDebuggerPresent UnhandledExceptionFilter HeapFree GetConsoleMode ReadConsoleW

advapi32

GetTokenInformation OpenProcessToken ConvertSidToStringSidW ConvertStringSecurityDescriptorToSecurityDescriptorW

gdi32

SelectObject DeleteObject CreateFontIndirectW

Name

.text

Size

200KB

Virtual Size

200KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

82KB

Virtual Size

82KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

18KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

10KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.fptable

Size

512B

Virtual Size

256B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

61KB

Virtual Size

61KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

MeltScreen.exe

user32

comctl32

kernel32

advapi32

gdi32

generic

melt.pyc