dropbox-installer[.]exe

Resubmissions

17/10/2026, 23:50

261017-3v3rjsdy6l7

17/10/2026, 23:49

261017-3t7n4sdy4r7

17/10/2026, 23:26

261017-3e2vbadx2p7

17/10/2026, 23:16

261017-285bvshb847

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General

Target
dropbox-installer.exe
Size 85.5MB
Sample261017-285bvshb84
SHA256 7211b2dd507ed9540a5fd3d95e444c2e59d93e59786aedc9226443244d643ba6
MD5 2442453546787a6df7f2eba84e2c1c01
SHA1 0db09545f89d07e0deba8857d19418224a0feb70
SHA512 b6da89e5ae5ca33df0fe2e429b6fe5d06036882862b7c2f4da79641f8d96e8efab9f9ecacc085ba18c09882ba00c87b17f23886ad0069f2ecabc798489825758
SSDEEP 1572864:h4f/8qYlyD+YEUZl7XNyjhQR5QMJJ8R/E0/utd0xyQZPhQrfP6oiZ+8o2jaH:afXEQlLgaR55oR/E0/kd0xlafP9
TLSH
T1A11833809C9770BBFAE999317846AC2AF5F630885F97C1DF0AD853612E17F406732672
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
dropbox-installer.exe

File Explorer

dropbox-installer.exe

.exe 85.5MB
main.pyc

110KB

dropbox-installer.exe

IMPHASH e3e80a143805ea18936c8f612e25d363
SHA256 7211b2dd507ed9540a5fd3d95e444c2e59d93e59786aedc9226443244d643ba6
MD5 2442453546787a6df7f2eba84e2c1c01
SHA1 0db09545f89d07e0deba8857d19418224a0feb70
SHA512 b6da89e5ae5ca33df0fe2e429b6fe5d06036882862b7c2f4da79641f8d96e8efab9f9ecacc085ba18c09882ba00c87b17f23886ad0069f2ecabc798489825758
SSDEEP 1572864:h4f/8qYlyD+YEUZl7XNyjhQR5QMJJ8R/E0/utd0xyQZPhQrfP6oiZ+8o2jaH:afXEQlLgaR55oR/E0/kd0xlafP9
TLSH
T1A11833809C9770BBFAE999317846AC2AF5F630885F97C1DF0AD853612E17F406732672
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

15KB

Virtual Size

14KB

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

Resubmissions

Sharing

General

Malware Config

Signatures

File Explorer

dropbox-installer.exe

user32

comctl32

kernel32

advapi32

gdi32

generic

main.pyc