Function at 0x18000bf20
Capabilities:
Check if file exists
Copy file
Create directory
Delete file
Get common file path
Get file attributes
Set file attributes
Write file on windows

Disassembly:
mov rax, rsp
push rdi
sub rsp, 0xa70
mov qword [rsp + 0x58], 0xfffffffffffffffe
mov qword [rax + 0x10], rbx
mov qword [rax + 0x18], rsi
mov rax, qword [0x18009c160]
xor rax, rsp
mov qword [rsp + 0xa60], rax
mov rdi, rcx
xor esi, esi
call qword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x18000bf7d
test al, 0x10
jne 0x18000bf9f
test al, 1
je 0x18000bf74
and eax, 0xfffffffe
mov edx, eax
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_SetFileAttributesW]
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_DeleteFileW]
call fcn.180018a40
mov rdx, rax
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_CreateDirectoryW]
test eax, eax
je 0x18000c3d4
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 6
je 0x18000bfb2
mov edx, 6
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_SetFileAttributesW]
lea rbx, str.baktpkt7.sys
call fcn.18002f9f0
test eax, eax
je 0x18000bff0
cmp dword [0x1800b1b40], esi
je 0x18000bfe9
lea r9, str.PrepareInstallDirectory1_5
lea r8, str.InstTpacketV
mov edx, reloc.WS2_32.dll_ntohs
lea rcx, [0x1800b1a88]
call fcn.180008e60
lea rbx, str.baktpkt764.sys
mov word [rsp + 0x460], si
xor edx, edx
mov r8d, 0x1fe
lea rcx, [rsp + 0x462]
call fcn.18001ab30
mov word [rsp + 0x660], si
xor edx, edx
mov r8d, 0x1fe
lea rcx, [rsp + 0x662]
call fcn.18001ab30
mov word [rsp + 0x860], si
xor edx, edx
mov r8d, 0x1fe
lea rcx, [rsp + 0x862]
call fcn.18001ab30
mov edx, 0x104
lea rcx, [rsp + 0x860]
call qword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
mov r9, rbx
lea r8, [rsp + 0x860]
lea rdx, str._s_s
lea rcx, [rsp + 0x460]
call fcn.180019b90
lea r9, str.baktpkt7cat.sys
lea r8, [rsp + 0x860]
lea rdx, str._s_s
lea rcx, [rsp + 0x660]
call fcn.180019b90
mov word [rsp + 0x60], si
xor edx, edx
mov r8d, 0x1fe
lea rcx, [rsp + 0x62]
call fcn.18001ab30
mov word [rsp + 0x260], si
xor edx, edx
mov r8d, 0x1fe
lea rcx, [rsp + 0x262]
call fcn.18001ab30
lea r9, str.tpacket7.sys
mov r8, rdi
lea rdx, str._s_s
lea rcx, [rsp + 0x60]
call fcn.180019b90
lea r9, str.tpacket7.cat
mov r8, rdi
lea rdx, str._s_s
lea rcx, [rsp + 0x260]
call fcn.180019b90
cmp dword [0x1800b1b40], esi
je 0x18000c17d
lea rdx, [rsp + 0x60]
lea rcx, [rsp + 0x48]
call fcn.1800143f0
mov rbx, rax
lea rdx, [rsp + 0x460]
lea rcx, [rsp + 0x40]
call fcn.1800143f0
mov r11, rax
mov rax, qword [rbx]
mov qword [rsp + 0x28], rax
mov rax, qword [r11]
mov qword [rsp + 0x20], rax
lea r9, str.PrepareInstallDirectory_6___s_______s_
lea r8, str.InstTpacketV
mov edx, reloc.WS2_32.dll_ntohs
lea rcx, [0x1800b1a88]
call fcn.180008e60
nop
lea rcx, [rsp + 0x40]
call fcn.180013520
nop
lea rcx, [rsp + 0x48]
call fcn.180013520
xor r8d, r8d
lea rdx, [rsp + 0x60]
lea rcx, [rsp + 0x460]
call qword [sym.imp.KERNEL32.dll_CopyFileW]
test eax, eax
jne 0x18000c248
call qword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 5
jne 0x18000c1ca
lea rcx, [rsp + 0x60]
call fcn.180005300
xor r8d, r8d
lea rdx, [rsp + 0x60]
lea rcx, [rsp + 0x460]
call qword [sym.imp.KERNEL32.dll_CopyFileW]
test eax, eax
jne 0x18000c248
cmp dword [0x1800b1b40], 0
je 0x18000c3fb
lea rdx, [rsp + 0x60]
lea rcx, [rsp + 0x40]
call fcn.1800143f0
mov rbx, rax
lea rdx, [rsp + 0x460]
lea rcx, [rsp + 0x48]
call fcn.1800143f0
mov r11, rax
mov rax, qword [rbx]
mov qword [rsp + 0x28], rax
mov rax, qword [r11]
mov qword [rsp + 0x20], rax
lea r9, str.PrepareInstallDirectory1_4___s____s_
lea r8, str.InstTpacketV
mov edx, reloc.WS2_32.dll_ntohs
lea rcx, [0x1800b1a88]
call fcn.180008e60
nop
lea rcx, [rsp + 0x48]
call fcn.180013520
nop
lea rcx, [rsp + 0x40]
call fcn.180013520
jmp 0x18000c3fb
lea r9, str.tpacket7.inf
mov r8, rdi
lea rdx, str._s_s
lea rcx, [rsp + 0x60]
call fcn.180019b90
mov qword [rsp + 0x30], rsi
mov dword [rsp + 0x28], 0x80
mov dword [rsp + 0x20], 2
xor r9d, r9d
mov edx, 0x40000000
lea r8d, [r9 + 1]
lea rcx, [rsp + 0x60]
call qword [sym.imp.KERNEL32.dll_CreateFileW]
mov rbx, rax
cmp rax, 0xffffffffffffffff
jne 0x18000c2cc
cmp dword [0x1800b1b40], 0
je 0x18000c3fb
mov qword [rsp + 0x20], rax
lea r9, str.PrepareInstallDirectory1_1_0x_lx
lea r8, str.InstTpacketV
lea edx, [rax + 0x10]
lea rcx, [0x1800b1a88]
call fcn.180008e60
jmp 0x18000c3fb
mov dword [rsp + 0x50], esi
mov qword [rsp + 0x20], rsi
lea r9, [rsp + 0x50]
mov r8d, 0xc55
lea rdx, str.___________________________________________________________________________r_n__TPacket7.INF____NDIS_Usermode_I_O_Driver_r_n__r_n__Copyright__c__Microsoft_Corporation.__All_rights_reserved._r_n___________________________________________________________________________r_n_version__r_nSignature____t___Windows_NT___r_nClass______t_NetService_r_nClassGUID___t_4D36E974_E325_11CE_BFC1_08002BE10318_r_nProvider_____t__Msft__r_nDriverVer_t10_01_2012_6.0.5019.0_r_nCatalogFile_tpacket7.cat_r_n_r_n_Manufacturer__r_n_Msft_MSFT_NTx86_NTia64_NTamd64_r_n_r_n_MSFT.NTx86__r_n_TPacket7_Desc_Install__TPacket7_r_n_r_n_MSFT.NTia64__r_n_TPacket7_Desc_Install__TPacket7_r_n_r_n_MSFT.NTamd64__r_n_TPacket7_Desc_Install__TPacket7_r_n_r_n___________________________________________________________________________r_n__Installation_Section_r_n___________________________________________________________________________r_n_Install__r_nAddRegInst_Ndi_r_nCharacteristics0x40008_r_nNetCfgInstanceId_3f1eaa9f_7472_4d8e_a69f_b23588a92f1b__r_nCopyfiles__tpacket7.copyfiles.sys_r_n_r_n_SourceDisksNames__r_n1_TPacket7_Desc_______r_n_r_n_SourceDisksFiles__r_nTPacket7.sys1_r_n_r_n_DestinationDirs__r_nDefaultDestDir12_r_nTPacket7.copyfiles.sys12_r_n_r_n_TPacket7.copyfiles.sys__r_nTPacket7.sys___2_r_n_r_n_r_n___________________________________________________________________________r_n__Ndi_installation_support_r_n___________________________________________________________________________r_n_Inst_Ndi__r_nHKR__Ndi_Service___TPacket7__r_nHKR__Ndi_CoServices_0x00010000__TPacket7__r_nHKR__Ndi_HelpText___TPacket7_HelpText__r_nHKR__Ndi_FilterClass___compression_r_nHKR__Ndi_FilterType_0x00010001_0x00000002_r_nHKR__NdiInterfaces_UpperRange___noupper__r_nHKR__NdiInterfaces_LowerRange___nolower__r_nHKR__NdiInterfaces__FilterMediaTypes___ethernet__wan__atm__r_nHKR__NdiInterfaces__LowerExclude_______ndisatm__ndiscowan__ndiswan__ndiswanasync__ndiswanipx__ndiswannbf__r_nHKR__Ndi_FilterRunType__0x00010001__2__this_filter_must_run_before_any_protocol_can_bind_to_the_below_miniport__r_n_r_n___________________________________________________________________________r_n__Service_installation_support_r_n___________________________________________________________________________r_n_Install.Services__r_nAddServiceTPacket7__TPacket7_Service_Inst_r_n_r_n_TPacket7_Service_Inst__r_nDisplayName_______TPacket7_Desc__r_nServiceType______1__SERVICE_KERNEL_DRIVER_r_nStartType________1__SERVICE_SYSTEM_START_r_nErrorControl_____1__SERVICE_ERROR_NORMAL_r_nServiceBinary_____12_TPacket7.sys_r_nLoadOrderGroup___NDIS_r_nDescription_______TPacket7_Desc__r_nAddReg___________Common.Params.reg_r_n_r_n_Install.Remove.Services__r_nDelServiceTPacket7_0x200_r_n_r_n_Install.Remove__r_nDelFiles__TPacket7.copyfiles.sys_r_n_r_n_Common.Params.reg__r_n_r_nHKR__FilterDriverParamsDriverParam___t_tParamDesc___t___Driverparam_for_lwf__r_nHKR__FilterDriverParamsDriverParam___t_tdefault___t___5__r_nHKR__FilterDriverParamsDriverParam___t_ttype___t_t___int__r_n_r_nHKR__FilterAdapterParamsAdapterParam___t_tParamDesc___t___Adapterparam_for_lwf__r_nHKR__FilterAdapterParamsAdapterParam___t_tdefault___t___10__r_nHKR__FilterAdapterParamsAdapterParam___t_ttype___t_t___int__r_n_r_n_Strings__r_nMsft___Microsoft__r_nTPacket7_Desc___TPacket7_Driver__r_nTPacket7_HelpText___TPacket7_Driver__r_n
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_WriteFile]
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_CloseHandle]
xor r8d, r8d
lea rdx, [rsp + 0x260]
lea rcx, [rsp + 0x660]
call qword [sym.imp.KERNEL32.dll_CopyFileW]
test eax, eax
jne 0x18000c3cd
call qword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 5
jne 0x18000c34f
lea rcx, [rsp + 0x260]
call fcn.180005300
xor r8d, r8d
lea rdx, [rsp + 0x260]
lea rcx, [rsp + 0x660]
call qword [sym.imp.KERNEL32.dll_CopyFileW]
test eax, eax
jne 0x18000c3cd
cmp dword [0x1800b1b40], 0
je 0x18000c3fb
lea rdx, [rsp + 0x260]
lea rcx, [rsp + 0x40]
call fcn.1800143f0
mov rbx, rax
lea rdx, [rsp + 0x660]
lea rcx, [rsp + 0x48]
call fcn.1800143f0
mov r11, rax
mov rax, qword [rbx]
mov qword [rsp + 0x28], rax
mov rax, qword [r11]
mov qword [rsp + 0x20], rax
lea r9, str.PrepareInstallDirectory1_10___s____s_
lea r8, str.InstTpacketV
mov edx, reloc.WS2_32.dll_ntohs
lea rcx, [0x1800b1a88]
call fcn.180008e60
nop
lea rcx, [rsp + 0x48]
call fcn.180013520
nop
lea rcx, [rsp + 0x40]
call fcn.180013520
jmp 0x18000c3fb
mov esi, 1
jmp 0x18000c3fb
cmp dword [0x1800b1b40], esi
je 0x18000c3fb
lea r9, str.PrepareInstallDirectory1_3
lea r8, str.InstTpacketV
mov edx, reloc.WS2_32.dll_ntohs
lea rcx, [0x1800b1a88]
call fcn.180008e60
mov eax, esi
mov rcx, qword [rsp + 0xa60]
xor rcx, rsp
call fcn.1800190b0
lea r11, [rsp + 0xa70]
mov rbx, qword [r11 + 0x18]
mov rsi, qword [r11 + 0x20]
mov rsp, r11
pop rdi
ret