Function at 0x55c7e0
Capabilities:
Check mutex on windows
Packed with generic packer
Query environment variable
Set environment variable

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x58fb1c
mov eax, dword fs:[0]
push eax
sub esp, 0x7f8
mov eax, dword [0x5b62e0]
xor eax, ebp
mov dword [ebp - 0x18], eax
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov byte [ebp - 0xd], 1
call fcn.00556d10
mov eax, dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [ebp - 0x14], eax
mov ecx, dword [ebp - 0x14]
add ecx, 1
mov dword [ebp - 0x14], ecx
mov edx, dword [sym.imp.USER32.dll_LoadStringA]
mov dword [ebp - 0x14], edx
mov eax, dword [ebp - 0x14]
add eax, 1
mov dword [ebp - 0x14], eax
mov ecx, dword [sym.imp.USER32.dll_LoadStringW]
mov dword [ebp - 0x14], ecx
mov edx, dword [ebp - 0x14]
add edx, 1
mov dword [ebp - 0x14], edx
push 0x55b1b0
call fcn.0057ec34
add esp, 4
mov eax, dword [0x5b5520]
xor eax, dword [0x5b54b8]
push eax
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x5b8014
lea ecx, [ebp - 0x124]
push ecx
call fcn.0057ebaf
add esp, 0x10
lea edx, [ebp - 0x124]
push edx
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
je 0x55c899
mov byte [ebp - 0xd], 0
movzx eax, byte [ebp - 0xd]
test eax, eax
je 0x55ca3a
mov ecx, dword [0x5b54f0]
xor ecx, dword [0x5b5524]
xor ecx, dword [0x5b54e0]
and ecx, 0x20
je 0x55ca3a
mov edx, dword [0x5b54c0]
xor edx, dword [0x5b551c]
xor edx, dword [0x5b5520]
push edx
push 0x5b800c
lea eax, [ebp - 0x124]
push eax
call fcn.0057ebaf
add esp, 0xc
lea ecx, [ebp - 0x124]
push ecx
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [ebp - 0x12c], eax
cmp dword [ebp - 0x12c], 0
je 0x55ca3a
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x55ca3a
push 0x7530
mov edx, dword [ebp - 0x12c]
push edx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov dword [ebp - 0x130], eax
cmp dword [ebp - 0x130], 0
je 0x55c94d
cmp dword [ebp - 0x130], 0x80
jne 0x55ca30
mov eax, dword [0x5b54c0]
xor eax, dword [0x5b551c]
xor eax, dword [0x5b5520]
push eax
push 0x5b8004
lea ecx, [ebp - 0x124]
push ecx
call fcn.0057ebaf
add esp, 0xc
mov dword [ebp - 0x138], 0
jmp 0x55c98e
mov edx, dword [ebp - 0x138]
add edx, 1
mov dword [ebp - 0x138], edx
cmp dword [ebp - 0x138], 0x12c
jge 0x55c9c7
lea eax, [ebp - 0x124]
push eax
push 0x5b7ff8
call dword [sym.imp.USER32.dll_FindWindowA]
mov dword [ebp - 0x134], eax
cmp dword [ebp - 0x134], 0
je 0x55c9bd
jmp 0x55c9c7
push 0x64
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x55c97f
cmp dword [ebp - 0x134], 0
je 0x55ca23
mov ecx, dword [0x5b54c0]
xor ecx, dword [0x5b551c]
xor ecx, dword [0x5b5520]
mov dword [ebp - 0x144], ecx
mov edx, dword [0x5c5080]
push edx
call fcn.0057dfc0
add esp, 4
add eax, 1
mov dword [ebp - 0x140], eax
mov eax, dword [0x5c5080]
mov dword [ebp - 0x13c], eax
lea ecx, [ebp - 0x144]
push ecx
push 0
push 0x4a
mov edx, dword [ebp - 0x134]
push edx
call dword [sym.imp.USER32.dll_SendMessageA]
mov eax, dword [ebp - 0x12c]
push eax
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov eax, 1
jmp 0x55d097
push 1
call fcn.0055d0b0
add esp, 4
movzx ecx, byte [ebp - 0xd]
test ecx, ecx
je 0x55cda6
mov edx, dword [0x5b54f0]
xor edx, dword [0x5b5524]
xor edx, dword [0x5b54e0]
and edx, 0x40
jne 0x55cda6
push 0x200
lea eax, [ebp - 0x344]
push eax
push 0x5b7ff0
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
test eax, eax
jne 0x55cda6
push 0xc8
push 0x23
lea ecx, [ebp - 0x344]
push ecx
call fcn.0057bb70
add esp, 0xc
mov byte [ebp - 0x27c], 0
mov dword [ebp - 0x448], 1
jmp 0x55cac2
mov edx, dword [ebp - 0x448]
add edx, 1
mov dword [ebp - 0x448], edx
cmp dword [ebp - 0x448], 0x40
jg 0x55cafc
mov eax, dword [ebp - 0x448]
push eax
push 0x5b7fe8
lea ecx, [ebp - 0x444]
push ecx
call fcn.0057ebaf
add esp, 0xc
lea edx, [ebp - 0x344]
push edx
lea eax, [ebp - 0x444]
push eax
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
jmp 0x55cab3
mov ecx, dword [0x5b54f0]
xor ecx, dword [0x5b5524]
xor ecx, dword [0x5b54e0]
and ecx, 0x10
jne 0x55cda6
lea edx, [ebp - 0x624]
push edx
call fcn.0056e2a0
add esp, 4
mov dword [ebp - 4], 0
lea eax, [ebp - 0x708]
push eax
call fcn.00564af0
add esp, 4
mov dword [ebp - 0x7f8], eax
mov ecx, dword [ebp - 0x7f8]
mov dword [ebp - 0x7fc], ecx
mov byte [ebp - 4], 1
mov edx, dword [ebp - 0x7fc]
push edx
lea ecx, [ebp - 0x4ac]
call fcn.0056b880
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x708]
call fcn.00557260
cmp dword [0x5c5078], 1
jne 0x55cba8
cmp dword [ebp - 0x618], 0
jne 0x55cba8
lea ecx, [ebp - 0x4ac]
call fcn.0056ca30
movzx eax, al
test eax, eax
jne 0x55cba8
lea ecx, [ebp - 0x4ac]
call fcn.0056c930
mov dword [ebp - 0x618], eax
push 0
lea ecx, [ebp - 0x644]
push ecx
call fcn.0056d8c0
add esp, 8
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x644]
call fcn.0055d660
movzx edx, al
test edx, edx
je 0x55cc14
mov dword [ebp - 0x70c], 0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x644]
call fcn.00557260
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x4ac]
call fcn.00556c40
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x624]
call fcn.0055d3d0
mov eax, dword [ebp - 0x70c]
jmp 0x55d097
lea eax, [ebp - 0x78c]
push eax
call fcn.0056e470
add esp, 4
mov dword [ebp - 0x800], eax
mov ecx, dword [ebp - 0x800]
mov dword [ebp - 0x804], ecx
mov byte [ebp - 4], 5
mov edx, dword [ebp - 0x804]
push edx
lea ecx, [ebp - 0x770]
call fcn.0055d350
mov byte [ebp - 4], 6
lea ecx, [ebp - 0x644]
call fcn.0055d640
push eax
lea ecx, [ebp - 0x7ec]
call fcn.0055d350
mov byte [ebp - 4], 7
lea eax, [ebp - 0x4bc]
push eax
lea ecx, [ebp - 0x624]
push ecx
push 0x5c5748
push 0x5c5748
push 0
push 0
push 0
push 0
lea edx, [ebp - 0x770]
push edx
lea eax, [ebp - 0x7ec]
push eax
call fcn.0056dc20
add esp, 0x28
neg eax
sbb eax, eax
add eax, 1
mov byte [ebp - 0x70d], al
mov byte [ebp - 4], 6
lea ecx, [ebp - 0x7ec]
call fcn.00556c40
mov byte [ebp - 4], 5
lea ecx, [ebp - 0x770]
call fcn.00556c40
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x78c]
call fcn.0055d580
movzx ecx, byte [ebp - 0x70d]
test ecx, ecx
je 0x55cd4f
mov dword [0x5c52b8], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x5b7fc8
push 0x5c52c0
call fcn.0057ebaf
add esp, 0xc
mov dword [ebp - 0x7f0], 0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x644]
call fcn.00557260
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x4ac]
call fcn.00556c40
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x624]
call fcn.0055d3d0
mov eax, dword [ebp - 0x7f0]
jmp 0x55d097
push 0x2710
mov edx, dword [ebp - 0x4bc]
push edx
call dword [sym.imp.USER32.dll_WaitForInputIdle]
mov dword [ebp - 0x7f4], 1
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x644]
call fcn.00557260
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x4ac]
call fcn.00556c40
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x624]
call fcn.0055d3d0
mov eax, dword [ebp - 0x7f4]
jmp 0x55d097
mov eax, dword [0x5b54f0]
xor eax, dword [0x5b5524]
xor eax, dword [0x5b54e0]
and eax, 0x10
je 0x55d004
mov ecx, dword [0x5b5520]
xor ecx, dword [0x5b54b8]
push ecx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x5b8014
lea edx, [ebp - 0x124]
push edx
call fcn.0057ebaf
add esp, 0x10
lea eax, [ebp - 0x124]
push eax
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
jne 0x55d002
push 1
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push eax
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
mov byte [ebp - 0x645], 0
push 0x5b7fbc
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [ebp - 0x64c], eax
cmp dword [ebp - 0x64c], 0
je 0x55ce66
push 0x5b7fa8
mov ecx, dword [ebp - 0x64c]
push ecx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x6e8], eax
cmp dword [ebp - 0x6e8], 0
je 0x55ce66
call dword [ebp - 0x6e8]
test eax, eax
je 0x55ce66
mov byte [ebp - 0x645], 1
mov dword [ebp - 0x6e4], 0x94
lea edx, [ebp - 0x6e4]
push edx
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0x6d4], 2
jne 0x55cee7
push ecx
bswap ecx
not ecx
push eax
not eax
mov eax, 0x6c65696d
xchg ecx, eax
mov ecx, 0xdeadc0de
xchg ecx, eax
not eax
pop eax
not ecx
pop ecx
pushfd
pushal
xor ebx, ebx
je 0x55cea9
add ebp, ebx
and ch, bl
jmp 0x55ceca
xor ebx, ebx
je 0x55cead
jmp 0x55cebc
mov ecx, 0x34f9c987
nop
stc
je 0x55cec0
jmp 0x55cef0
xor eax, eax
je 0x55ceb2
mov eax, 0x4840c987
test eax, eax
jne 0x55cea6
jmp 0x92bc6c2f
popal
popfd
xchg dx, ax
xchg dx, ax
mov eax, eax
mov eax, dword fs:[0x30]
movzx eax, byte [eax + 2]
or al, al
jne 0x55cefe
jmp 0x55cf6f
jo 0x55cef0
jl 0x55ceee
jmp 0x55cef2
je 0x55ceeb
jmp 0x55ceeb
mov eax, dword fs:[0x20]
or eax, eax
jne 0x55cefe
jmp 0x55cf6f
pushal
xor eax, eax
jne 0x55cf05
jmp 0x55cf1a
jmp 0x55cf3a
xor eax, eax
jne 0x55cf22
jp 0x55cf18
jo 0x55cf1c
jmp 0x55cf1d
jb 0x55cf21
jns 0x55cf06
call dword [0x74097900]
invalid
jns 0x55cf23
je 0x55cf0c
jmp 0x55cea5
xchg ebx, ebx
jp 0x55cf11
mov al, byte [0x5c66133]
movsb byte es:[edi], byte [esi]
push eax
pop esp
add byte [ecx], al
xor esp, dword [ecx - 0x3a]
add eax, 0x5c50a4
add dword [eax - 9], edx
ror byte [edi], 1
enter 0x7358, 0
popal
mov byte [0x5c50a4], 1
push eax
not eax
bswap eax
pop eax
jae 0x55cf33
pushfd
pushal
jmp 0x55cf62
sub edx, edx
jo 0x55cf48
jmp 0x55cf59
xor ecx, ecx
je 0x55cf40
jmp 0x55cf52
stc
xor ecx, 3
je 0x55ced8
jmp 0x55cf4f
jmp 0x55cf5d
jae 0x55cf4b
sbb bl, bl
sbb bl, bl
xor ebx, ebx
jmp 0x55cf42
jmp 0x55cf3c
sbb al, 0xdb
jmp 0x55cf65
jmp 0x55cf36
popal
popfd
bswap eax
not ecx
bswap eax
not ecx
movzx eax, byte [ebp - 0x645]
test eax, eax
je 0x55cfa8
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x5b7fa0
lea ecx, [ebp - 0x124]
push ecx
call fcn.0057ebaf
add esp, 0xc
lea edx, [ebp - 0x124]
push edx
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
jmp 0x55d002
cmp dword [0x5c5078], 0
sete al
push eax
call fcn.00569200
add esp, 4
movzx ecx, al
test ecx, ecx
jne 0x55cfee
mov dword [0x5c52b8], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x5b7f90
push 0x5c52c0
call fcn.0057ebaf
add esp, 0xc
xor eax, eax
jmp 0x55d097
push 0
call fcn.0055d0b0
add esp, 4
mov eax, 1
jmp 0x55d097
jmp 0x55d020
mov edx, dword [0x5b54e4]
xor edx, dword [0x5b5524]
xor edx, dword [0x5b54e0]
and edx, 2
je 0x55d020
call fcn.00555d60
call fcn.0055b560
mov dword [ebp - 0x128], eax
push 0
call fcn.0055d0b0
add esp, 4
push 0
call fcn.0057ec34
add esp, 4
cmp dword [ebp - 0x128], 1
jne 0x55d05c
push 0x5c5078
call dword [0x5c50a0]
add esp, 4
mov dword [ebp - 0x128], eax
push 0x55b1b0
call fcn.0057ec34
add esp, 4
cmp dword [0x5c509c], 0
je 0x55d078
call dword [0x5c509c]
cmp dword [0x5c52b0], 0
je 0x55d091
push 0
push 0
mov eax, dword [0x5c52ac]
push eax
call dword [0x5c52b0]
mov eax, dword [ebp - 0x128]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
mov ecx, dword [ebp - 0x18]
xor ecx, ebp
call fcn.0057c2c5
mov esp, ebp
pop ebp
ret