Function at 0x140030020
Capabilities:
Access the windows event log
Set registry value

Disassembly:
push r15
push r14
push r13
push r12
push rsi
push rdi
push rbp
push rbx
sub rsp, 0xc8
mov ebp, r9d
mov rsi, rcx
mov rax, qword [0x1400ab070]
xor rax, rsp
mov qword [rsp + 0xc0], rax
lea rdi, [rsp + 0x90]
mov rcx, rdi
call fcn.14002bf50
mov eax, dword [rdi + 0x20]
test eax, eax
je 0x140030089
mov dword [rsi], eax
mov rcx, qword [rsp + 0xc0]
xor rcx, rsp
call fcn.140055a90
nop
add rsp, 0xc8
pop rbx
pop rbp
pop rdi
pop rsi
pop r12
pop r13
pop r14
pop r15
ret
movups xmm0, xmmword [rsp + 0x90]
movups xmm1, xmmword [rsp + 0xa0]
movaps xmmword [rsp + 0x80], xmm1
movaps xmmword [rsp + 0x70], xmm0
xor edi, edi
lea rbx, [rsp + 0x50]
mov qword [rbx], rdi
mov qword [rbx + 0x10], rdi
mov qword [rbx + 0x18], 7
mov word [rbx], 0
lea r8, str.SOFTWAREMozillaFirefoxDefault_Browser_Agent
mov edx, 0x2e
mov rcx, rbx
call fcn.140058e00
movzx eax, bpl
mov dword [rsp + 0x4c], eax
cmp qword [rsp + 0x88], 8
jb 0x1400300ef
mov r8, qword [rsp + 0x70]
jmp 0x1400300f4
lea r8, [rsp + 0x70]
cmp qword [rsp + 0x68], 8
jb 0x140030101
mov rbx, qword [rsp + 0x50]
lea rax, [rsp + 0x4c]
mov qword [rsp + 0x20], rax
mov dword [rsp + 0x28], 4
mov rcx, 0xffffffff80000001
mov rdx, rbx
mov r9d, 4
call qword [sym.imp.ADVAPI32.dll_RegSetKeyValueW]
test eax, eax
jne 0x1400301cf
mov dword [rsi], edi
mov rax, qword [rsp + 0x68]
cmp rax, 8
jb 0x14003017b
mov rcx, qword [rsp + 0x50]
lea rdx, [rax + rax]
add rdx, 2
cmp rdx, 0x1000
jb 0x140030176
mov r8, qword [rcx - 8]
add rcx, 0xfffffffffffffff8
sub rcx, r8
cmp rcx, 0x20
jae 0x1400302b1
add rax, rax
add rax, 0x29
mov rdx, rax
mov rcx, r8
call fcn.140054b24
mov rax, qword [rsp + 0x88]
cmp rax, 8
jb 0x140030064
mov rcx, qword [rsp + 0x70]
lea rdx, [rax + rax]
add rdx, 2
cmp rdx, 0x1000
jb 0x1400301c5
mov r8, qword [rcx - 8]
add rcx, 0xfffffffffffffff8
sub rcx, r8
cmp rcx, 0x20
jae 0x1400302b1
add rax, rax
add rax, 0x29
mov rdx, rax
mov rcx, r8
call fcn.140054b24
jmp 0x140030064
movzx edi, ax
or edi, 0x80070000
test eax, eax
cmovle edi, eax
mov r14, qword [sym.default_browser_agent.exe_gWinEventLogSourceName]
lea r15, str.0x_X_in__S:_d
lea r12, str.RegistrySetValueBool
mov rcx, r15
mov edx, edi
mov r8, r12
mov r9d, 0xb4
call fcn.140057a20
cdqe
lea r13, [rax + 1]
lea rbp, [rax + rax]
add rbp, 2
mov rcx, rbp
call fcn.140054b1c
mov rbx, rax
mov rcx, rax
xor edx, edx
mov r8, rbp
call sub.VCRUNTIME140.dll_memset
mov qword [rsp + 0x28], r12
mov dword [rsp + 0x20], edi
mov dword [rsp + 0x30], 0xb4
mov rcx, rbx
mov rdx, r13
mov r9, r15
call fcn.140057aa0
xor ecx, ecx
mov rdx, r14
call qword [sym.imp.ADVAPI32.dll_RegisterEventSourceW]
test rax, rax
je 0x1400302a4
mov r14, rax
lea rax, [rsp + 0xb8]
mov qword [rax], rbx
xor ecx, ecx
mov qword [rsp + 0x40], rcx
mov qword [rsp + 0x38], rax
mov qword [rsp + 0x20], rcx
mov dword [rsp + 0x30], 0
mov word [rsp + 0x28], 1
mov rcx, r14
mov dx, 1
xor r8d, r8d
mov r9d, edi
call qword [sym.imp.ADVAPI32.dll_ReportEventW]
mov rcx, r14
call qword [sym.imp.ADVAPI32.dll_DeregisterEventSource]
mov rcx, rbx
call fcn.140054b24
jmp 0x140030131
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3