quaser[.]exe | Triage™

General

Target
quaser.exe
Size 506KB
Sample240401-pc8cesef36
SHA256 cf9ef2af812e7e3fe4ce9d1f875279110f318d678c5f053e5d767b02eadc2694
MD5 9e4f25a9371519abfcb0e850b339f267
SHA1 6baa935a6dd575bf89c6d35e895553ec2108a11d
SHA512 e6776ce8454ca443f0f9a7fa855942bd6d8f7c765d60b1f7cd8f63ca787c5032c33297ed23b9bf73b54222219225234d8bf136ad8be56a64fefde4c0f5fe72d7
SSDEEP 12288:gUBgyoyvfLUlzVx1ziaod6QdGB8lDQ5IUhNv1K:gUXvfLUlzVxZ+d6QdGcDSIULE
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
quaser.exe

File Explorer

quaser.exe

.exe 506KB

quaser.exe

IMPHASH 49091c5c46d1ed156931ed11f43d3afa
SHA256 cf9ef2af812e7e3fe4ce9d1f875279110f318d678c5f053e5d767b02eadc2694
MD5 9e4f25a9371519abfcb0e850b339f267
SHA1 6baa935a6dd575bf89c6d35e895553ec2108a11d
SHA512 e6776ce8454ca443f0f9a7fa855942bd6d8f7c765d60b1f7cd8f63ca787c5032c33297ed23b9bf73b54222219225234d8bf136ad8be56a64fefde4c0f5fe72d7
SSDEEP 12288:gUBgyoyvfLUlzVx1ziaod6QdGB8lDQ5IUhNv1K:gUXvfLUlzVxZ+d6QdGcDSIULE
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

1

Major OS version

5

Entry point

64743

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_32BIT_MACHINE

PDB paths

D:\Projects\WinRAR\sfx\build\sfxzip32\Release\sfxzip.pdb

kernel32

GetLastError SetLastError GetFileType GetStdHandle WriteFile ReadFile FlushFileBuffers SetEndOfFile SetFilePointer SetFileTime CloseHandle CreateFileW CreateDirectoryW SetFileAttributesW GetFileAttributesW DeleteFileW MoveFileW FindClose FindFirstFileW FindNextFileW GetVersionExW GetCurrentDirectoryW GetFullPathNameW FoldStringW GetModuleFileNameW GetModuleHandleW FindResourceW FreeLibrary GetProcAddress GetCurrentProcessId ExitProcess Sleep LoadLibraryW GetSystemDirectoryW CompareStringW AllocConsole FreeConsole AttachConsole WriteConsoleW TzSpecificLocalTimeToSystemTime SystemTimeToFileTime FileTimeToLocalFileTime LocalFileTimeToFileTime FileTimeToSystemTime GetCPInfo IsDBCSLeadByte MultiByteToWideChar WideCharToMultiByte GlobalAlloc GetTickCount SetCurrentDirectoryW GetExitCodeProcess WaitForSingleObject GetLocalTime MapViewOfFile UnmapViewOfFile CreateFileMappingW OpenFileMappingW GetCommandLineW SetEnvironmentVariableW ExpandEnvironmentStringsW GetTempPathW MoveFileExW GetLocaleInfoW GetTimeFormatW GetDateFormatW GetNumberFormatW RaiseException GetSystemInfo VirtualProtect VirtualQuery LoadLibraryExA IsProcessorFeaturePresent IsDebuggerPresent UnhandledExceptionFilter SetUnhandledExceptionFilter GetStartupInfoW QueryPerformanceCounter GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead GetCurrentProcess TerminateProcess RtlUnwind EncodePointer EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree LoadLibraryExW QueryPerformanceFrequency GetModuleHandleExW GetModuleFileNameA GetACP HeapFree HeapAlloc HeapReAlloc GetStringTypeW LCMapStringW FindFirstFileExA FindNextFileA IsValidCodePage GetOEMCP GetCommandLineA GetEnvironmentStringsW FreeEnvironmentStringsW GetProcessHeap SetStdHandle HeapSize GetConsoleCP GetConsoleMode SetFilePointerEx DecodePointer

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