Function at 0x587ba0
Capabilities:
Check for time delay via gettickcount
Check if file exists
Delete file
Get file attributes
Get file size
Get thread local storage value
Move file
Set file attributes
Timestomp file

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x603cdb
push eax
mov dword fs:[0], esp
sub esp, 0xb60
push ebx
push ebp
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
push edi
xor edi, edi
mov dword [0x689ac8], edi
call esi
mov ebp, dword [esp + 0xb80]
mov dword [0x689ad0], eax
cmp ebp, edi
je 0x58868c
cmp word [ebp], di
je 0x58868c
mov ebx, dword [esp + 0xb84]
cmp ebx, edi
je 0x58868c
cmp word [ebx], di
je 0x58868c
cmp dword [0x689ad4], edi
jne 0x587c26
mov dword [0x689ac8], 2
mov dword [0x689acc], 0x2adf
jmp 0x5886a0
mov esi, dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
push ebp
call esi
test al, 0x10
mov dword [esp + 0x4c], eax
je 0x587c56
mov dword [0x689ac8], 0x1d
mov dword [0x689acc], 0x2ae7
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x5886a2
push ebx
call esi
mov ebx, eax
cmp ebx, 0xffffffff
je 0x587c84
test bl, 0x10
je 0x587c84
mov dword [0x689ac8], 0x1e
mov dword [0x689acc], 0x2af1
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x5886a2
mov ecx, dword [0x60a46c]
mov eax, 1
mov dword [esp + 0x24], eax
mov dword [esp + 0x14], edi
mov dword [esp + 0x10], ecx
mov ecx, dword [esp + 0xb94]
mov dword [esp + 0xb78], edi
cmp ecx, edi
mov dword [esp + 0x18], edi
mov dword [esp + 0x20], 0xffffffff
mov dword [esp + 0x28], edi
mov dword [esp + 0x38], edi
je 0x587cd0
mov ecx, dword [esp + 0xb98]
mov dword [esp + 0x1c], eax
cmp ecx, edi
jne 0x587cd4
mov dword [esp + 0x1c], edi
cmp ebx, 0xffffffff
jne 0x587cdd
mov dword [esp + 0x1c], edi
mov ecx, 0xe1
xor eax, eax
lea edi, [esp + 0x81]
mov byte [esp + 0x80], 0
rep stosd dword es:[edi], eax
mov edx, dword [esp + 0xb8c]
push ebp
stosw word es:[edi], ax
stosb byte es:[edi], al
mov dword [esp + 0x40], edx
call fcn.0057f230
xor esi, esi
add esp, 4
cmp eax, esi
mov dword [esp + 0x50], eax
jne 0x588395
mov ecx, dword [esp + 0xba0]
mov eax, 5
cmp ecx, esi
je 0x587d2f
mov eax, 7
push esi
push 0x80
push 3
push esi
push eax
push SysReAllocStringLen
push ebp
call fcn.005a8b50
add esp, 0x1c
cmp eax, 0xffffffff
mov dword [esp + 0x2c], eax
je 0x5884c4
push esi
push esi
push esi
push esi
push esi
push esi
push esi
push esi
push esi
push eax
call fcn.0057a850
add esp, 0x28
test eax, eax
jne 0x5884e8
cmp ebx, 0xffffffff
setne al
mov ebp, eax
cmp ebp, esi
je 0x587e34
mov ecx, 8
xor eax, eax
lea edi, [esp + 0x60]
mov dword [esp + 0x5c], esi
rep stosd dword es:[edi], eax
mov edi, dword [esp + 0xb84]
lea ecx, [esp + 0x5c]
push ecx
push esi
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesExW]
test eax, eax
je 0x587e22
cmp dword [esp + 0x7c], esi
jne 0x587db3
cmp dword [esp + 0x78], esi
je 0x587e22
mov edx, dword [0x68a098]
lea eax, [esp + 0x10]
push edx
push eax
push 0x6798b8
push edi
call fcn.005a8820
add esp, 0x10
test eax, eax
je 0x587e03
mov ecx, dword [esp + 0x10]
push 2
push ecx
push edi
call dword [sym.imp.KERNEL32.dll_MoveFileExW]
test eax, eax
je 0x587ded
mov dword [esp + 0x18], 1
jmp 0x587e22
mov dword [0x689ac8], 0x28
mov dword [0x689acc], 0x2b78
jmp 0x587e17
mov dword [0x689ac8], 0x24
mov dword [0x689acc], 0x2b7f
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x689ad0], eax
test bl, 1
je 0x587e3b
and ebx, 0xfffffffe
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
jmp 0x587e3b
mov edi, dword [esp + 0xb84]
push esi
push 0x80
push 4
push esi
push esi
push 0xc0000000
push edi
call fcn.005a8b50
add esp, 0x1c
cmp eax, 0xffffffff
mov dword [esp + 0x20], eax
je 0x588507
cmp ebp, esi
je 0x587e70
mov eax, dword [esp + 0x18]
mov dword [esp + 0x14], esi
cmp eax, esi
je 0x587e78
mov dword [esp + 0x14], 1
cmp ebp, esi
mov dword [esp + 0x40], 1
je 0x588006
mov eax, dword [esp + 0x18]
xor edi, edi
or ebx, 0xffffffff
or ebp, 0xffffffff
cmp eax, edi
je 0x587efb
mov edx, dword [esp + 0x10]
push edi
push 0x80
push 4
push edi
push 7
push SysReAllocStringLen
push edx
call fcn.005a8b50
mov ebp, eax
add esp, 0x1c
cmp ebp, 0xffffffff
je 0x587eff
cmp dword [esp + 0x1c], edi
je 0x587ef7
lea eax, [esp + 0x30]
mov dword [esp + 0x30], edi
push eax
push ebp
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, edi
jne 0x587edc
cmp dword [esp + 0x30], edi
je 0x587ef3
cmp dword [esp + 0xb94], 1
jne 0x587ef7
push ebp
call fcn.0057ea10
add esp, 4
test eax, eax
je 0x587ef7
mov dword [esp + 0x1c], edi
mov ebx, ebp
jmp 0x587eff
mov ebx, dword [esp + 0x20]
cmp dword [esp + 0xb88], edi
jne 0x587ffa
cmp ebx, 0xffffffff
je 0x587ffa
mov ecx, 0xe1
xor eax, eax
lea edi, [esp + 0x409]
mov byte [esp + 0x408], 0
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
lea ecx, [esp + 0x408]
push ecx
push ebx
stosb byte es:[edi], al
call fcn.00586c50
add esp, 8
test eax, eax
je 0x587ffa
mov edx, dword [esp + 0x408]
mov eax, dword [esp + 0x40c]
mov ecx, dword [esp + 0x410]
mov dword [esp + 0x80], edx
mov edx, dword [esp + 0x414]
mov dword [esp + 0x84], eax
mov eax, dword [esp + 0xb8c]
mov dword [esp + 0x88], ecx
mov ecx, 0x66
lea esi, [esp + 0x450]
lea edi, [esp + 0xc8]
mov dword [esp + 0x8c], edx
test eax, eax
mov dword [esp + 0x40], 0
rep movsd dword es:[edi], dword [esi]
jne 0x587ffa
mov eax, dword [esp + 0x788]
test eax, eax
jbe 0x587ffa
push eax
call fcn.005df898
mov ecx, dword [esp + 0x78c]
mov edx, eax
mov esi, ecx
xor eax, eax
mov edi, edx
mov dword [esp + 0x40], edx
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, esi
and ecx, 3
rep stosb byte es:[edi], al
mov ecx, dword [esp + 0x78c]
lea eax, [esp + 0x34]
push eax
push ecx
push edx
push 0
push ebx
mov dword [esp + 0x48], 0
call fcn.00580e50
add esp, 0x18
cmp ebp, 0xffffffff
je 0x588006
push ebp
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, 0xf7
xor eax, eax
lea edi, [esp + 0x791]
mov byte [esp + 0x790], 0
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
lea edx, [esp + 0x790]
test edx, edx
stosb byte es:[edi], al
jne 0x588066
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x689ac8], 1
mov dword [0x689acc], 0x2947
call esi
mov dword [0x689ad0], eax
mov dword [0x689ac8], 7
mov dword [0x689acc], 0x2bec
jmp 0x5880fe
mov eax, dword [0x679958]
mov ecx, dword [0x67995c]
mov edx, dword [0x679960]
mov dword [esp + 0x790], eax
mov eax, dword [0x679964]
mov dword [esp + 0x794], ecx
mov dword [esp + 0x79c], eax
lea ecx, [esp + 0x80]
xor eax, eax
mov dword [esp + 0x798], edx
test ecx, ecx
mov dword [esp + 0x7b0], 2
mov dword [esp + 0x7b4], eax
mov dword [esp + 0x7b8], eax
mov dword [esp + 0x7bc], eax
jne 0x5881d1
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x689ac8], 1
mov dword [0x689acc], 0x2988
call esi
mov dword [0x689ad0], eax
mov dword [0x689ac8], 8
mov dword [0x689acc], 0x2bf3
call esi
mov dword [0x689ad0], eax
mov ecx, dword [esp + 0x2c]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, dword [esp + 0x20]
cmp edi, 0xffffffff
je 0x588120
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [esp + 0xb8c]
test eax, eax
jne 0x58813c
mov eax, dword [esp + 0x3c]
test eax, eax
je 0x58813c
push eax
call fcn.005df8c1
add esp, 4
mov eax, dword [esp + 0x24]
test eax, eax
jne 0x588603
mov eax, dword [esp + 0x50]
test eax, eax
jne 0x588589
mov eax, dword [0x68a088]
test eax, eax
je 0x588589
mov ebp, dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x689ac8], 0
call ebp
mov edi, dword [esp + 0xb84]
mov dword [0x689ad0], eax
push edi
call fcn.0044cee0
add esp, 4
test eax, eax
je 0x58856c
push 0
push 0
push 3
push 0
push 7
push SysReAllocStringLen
push edi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
jne 0x588526
mov dword [0x689ac8], 3
mov dword [0x689acc], 0x398e
call ebp
mov dword [0x689ad0], eax
jmp 0x588590
lea edx, [esp + 0x260]
test edx, edx
jne 0x5881fd
mov dword [0x689ac8], 1
mov dword [0x689acc], 0x296f
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x689ad0], eax
jmp 0x58824c
mov ecx, 0x66
xor eax, eax
lea edi, [esp + 0x260]
mov esi, 0x689ad8
rep stosd dword es:[edi], eax
mov eax, dword [0x6798b4]
mov ecx, 0x66
lea edi, [esp + 0x260]
cmp eax, 0xffffffff
rep movsd dword es:[edi], dword [esi]
je 0x58823c
push eax
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
test eax, eax
je 0x58823c
mov dword [esp + 0x280], eax
lea eax, [esp + 0x260]
push eax
call fcn.005a7d30
add esp, 4
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov dword [esp + 0xa0], eax
mov eax, dword [esp + 0x40]
test eax, eax
je 0x588286
mov ecx, 0x66
lea esi, [esp + 0x260]
lea edi, [esp + 0xc8]
rep movsd dword es:[edi], dword [esi]
lea ecx, [esp + 0x80]
push ecx
call fcn.005a7d50
add esp, 4
mov edx, dword [0x68a090]
mov eax, dword [0x68a094]
mov dword [esp + 0x94], edx
mov edx, dword [esp + 0x3c]
lea ecx, [esp + 0x48]
mov dword [esp + 0x3f4], eax
push ecx
lea eax, [esp + 0x84]
push edx
mov edx, dword [esp + 0x28]
lea ecx, [esp + 0x798]
push eax
mov eax, dword [esp + 0x38]
push ecx
push edx
push eax
mov dword [esp + 0x60], 0
call fcn.005886d0
mov ecx, dword [esp + 0x60]
add esp, 0x18
test ecx, ecx
je 0x5882eb
mov ecx, dword [esp + 0x14]
test ecx, ecx
jne 0x5882eb
mov dword [esp + 0x14], 1
test eax, eax
je 0x588105
mov bl, byte [esp + 0xb9c]
test bl, 1
je 0x58834f
mov esi, dword [esp + 0x2c]
xor eax, eax
lea ecx, [esp + 0x40]
mov dword [esp + 0x54], eax
mov dword [esp + 0x58], eax
mov dword [esp + 0x30], eax
mov dword [esp + 0x34], eax
mov dword [esp + 0x40], eax
mov dword [esp + 0x44], eax
lea edx, [esp + 0x30]
push ecx
lea eax, [esp + 0x58]
push edx
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetFileTime]
mov edi, dword [esp + 0x20]
lea ecx, [esp + 0x40]
lea edx, [esp + 0x30]
push ecx
lea eax, [esp + 0x58]
push edx
push eax
push edi
call dword [sym.imp.KERNEL32.dll_SetFileTime]
jmp 0x588357
mov esi, dword [esp + 0x2c]
mov edi, dword [esp + 0x20]
test bl, 4
je 0x58836f
lea ecx, [esp + 0x38]
lea edx, [esp + 0x28]
push ecx
push edx
push esi
call fcn.005a8340
add esp, 0xc
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [esp + 0xba4]
test eax, eax
je 0x588388
push edi
call dword [sym.imp.KERNEL32.dll_FlushFileBuffers]
mov dword [esp + 0x24], 0
jmp 0x588114
xor eax, eax
cmp ebx, 0xffffffff
setne al
cmp eax, esi
mov ebx, 0x24
je 0x588456
mov ecx, 8
xor eax, eax
lea edi, [esp + 0x60]
mov dword [esp + 0x5c], esi
rep stosd dword es:[edi], eax
mov edi, dword [esp + 0xb84]
lea eax, [esp + 0x5c]
push eax
push esi
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesExW]
test eax, eax
je 0x58844a
cmp dword [esp + 0x7c], esi
jne 0x5883df
cmp dword [esp + 0x78], esi
je 0x58844a
mov ecx, dword [0x68a098]
lea edx, [esp + 0x10]
push ecx
push edx
push 0x6798b8
push edi
call fcn.005a8820
add esp, 0x10
test eax, eax
je 0x58842f
mov eax, dword [esp + 0x10]
push 2
push eax
push edi
call dword [sym.imp.KERNEL32.dll_MoveFileExW]
test eax, eax
je 0x588419
mov dword [esp + 0x18], 1
jmp 0x58844a
mov dword [0x689ac8], 0x28
mov dword [0x689acc], 0x2b27
jmp 0x58843f
mov dword [0x689ac8], ebx
mov dword [0x689acc], 0x2b2e
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x689ad0], eax
cmp dword [esp + 0x18], esi
jne 0x58845d
mov dword [esp + 0x14], esi
jmp 0x588465
mov edi, dword [esp + 0xb84]
mov dword [esp + 0x14], 1
test byte [esp + 0xb9c], 4
je 0x588482
lea ecx, [esp + 0x38]
lea edx, [esp + 0x28]
push ecx
push edx
push ebp
call fcn.005a8510
add esp, 0xc
mov eax, dword [esp + 0xba4]
push eax
push 0xffffffffffffffff
push esi
push edi
push ebp
call fcn.0057c5a0
add esp, 0x14
test eax, eax
je 0x5884a4
mov dword [esp + 0x24], esi
jmp 0x588120
mov dword [0x689ac8], ebx
mov dword [0x689acc], 0x2b42
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x689ad0], eax
jmp 0x588120
mov dword [0x689ac8], 3
mov dword [0x689acc], 0x2b5a
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x689ad0], eax
jmp 0x588120
mov dword [0x689ac8], 0x2a
mov dword [0x689acc], 0x2b61
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x588100
mov dword [0x689ac8], 4
mov dword [0x689acc], 0x2b95
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x588100
lea edx, [esp + 0x80]
push edx
push esi
call fcn.0058e990
add esp, 8
mov ebx, eax
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test ebx, ebx
jne 0x588590
mov dword [0x689ac8], 0x1c
mov dword [0x689acc], 0x2c26
call ebp
mov dword [0x689ad0], eax
mov dword [esp + 0x24], 0xffffffff
jmp 0x58860a
mov dword [0x689ac8], 1
mov dword [0x689acc], 0x397f
call ebp
mov dword [0x689ad0], eax
jmp 0x588590
mov edi, dword [esp + 0xb84]
mov eax, dword [esp + 0x28]
test eax, eax
je 0x5885a7
mov ecx, dword [esp + 0x38]
push ecx
push eax
push edi
call fcn.005a85c0
add esp, 0xc
test byte [esp + 0xb9c], 2
je 0x5885bd
mov edx, dword [esp + 0x4c]
push edx
push edi
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
mov eax, dword [esp + 0x18]
test eax, eax
je 0x588659
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x5885e5
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0xb98]
push 0x103
push eax
push ecx
jmp 0x588651
mov edx, dword [esp + 0x10]
push edx
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
jne 0x588659
mov eax, dword [esp + 0x10]
push eax
call fcn.005a8640
add esp, 4
jmp 0x588659
mov edi, dword [esp + 0xb84]
mov eax, dword [esp + 0x14]
test eax, eax
je 0x588619
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
mov eax, dword [esp + 0x18]
test eax, eax
je 0x588659
mov ecx, dword [esp + 0x10]
push 3
push edi
push ecx
call dword [sym.imp.KERNEL32.dll_MoveFileExW]
test eax, eax
jne 0x588659
mov eax, dword [esp + 0xb90]
mov dword [esp + 0x24], 0xffffffff
test eax, eax
je 0x588659
mov edx, dword [esp + 0x10]
push 0x103
push edx
push eax
call fcn.0044cea3
add esp, 0xc
mov eax, dword [esp + 0x28]
test eax, eax
je 0x588672
push eax
call fcn.005df8c1
add esp, 4
mov dword [esp + 0x28], 0
lea ecx, [esp + 0x10]
mov dword [esp + 0xb78], 0xffffffff
call fcn.00467200
mov eax, dword [esp + 0x24]
jmp 0x5886ac
mov dword [0x689ac8], 1
mov dword [0x689acc], 0x2ad9
call esi
mov dword [0x689ad0], eax
mov eax, 1
mov ecx, dword [esp + 0xb70]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0xb6c
ret