byy12[.]exe | Triage

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General

Target

byy12.exe
Size

3.2MB
MD5

c892f56bf82b66cdfc8d20d30dd6c469
SHA1

e5dcc40d93ee5b92c33c46448e4bc284a21ef53c
SHA256

06d33cfaae38e13d6c69100c87a620c1dcd5033126ace5bce7f6e7962b1a0f7c
SHA512

518cdecf96cf7a6ee2205cac39605b51258d78443a5273e3b8c496a9e681d6fcd2dd6314b804f8916543a82b7071ce0a9046e97c9f72234d142e5b2f48019f36
SSDEEP

98304:LanvaiqaWl00gGWUxdFL3BoM2vFyYafj:LanvZqaWbgG7txE9yJf

Score

7^/10

vmprotect

Malware Config

Signatures

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
sample	vmprotect

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
byy12.exe

Files

byy12.exe
.exe windows:5 windows x86 arch:x86

09d7e7939ef191080edaeab95c70d9db

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetModuleHandleA
GetProcAddress
GetStringTypeW
MultiByteToWideChar
LCMapStringW
HeapReAlloc
HeapSize
RtlUnwind
GetCommandLineA
HeapSetInformation
RaiseException
SetUnhandledExceptionFilter
GetModuleHandleW
ExitProcess
DecodePointer
WriteFile
GetStdHandle
GetModuleFileNameW
GetModuleFileNameA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
SetHandleCount
InitializeCriticalSectionAndSpinCount
GetFileType
GetStartupInfoW
DeleteCriticalSection
EncodePointer
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
GetLastError
InterlockedDecrement
HeapCreate
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
IsDebuggerPresent
HeapAlloc
HeapFree
IsProcessorFeaturePresent
LeaveCriticalSection
EnterCriticalSection
LoadLibraryW
Sleep
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
LocalAlloc
LocalFree
GetModuleFileNameW
GetProcessAffinityMask
SetProcessAffinityMask
SetThreadAffinityMask
Sleep
ExitProcess
FreeLibrary
LoadLibraryA
GetModuleHandleA
GetProcAddress

ws2_32

recv
closesocket
connect
inet_addr
htons
WSACleanup
socket
WSAStartup

user32

GetProcessWindowStation
GetUserObjectInformationW

Sections

.text
Size: - Virtual size: 27KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.vmp0
Size: - Virtual size: 1.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.vmp1
Size: 3.2MB - Virtual size: 3.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

09d7e7939ef191080edaeab95c70d9db

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

ws2_32

user32

Sections

.text Size: - Virtual size: 27KB

.rdata Size: - Virtual size: 11KB

.data Size: - Virtual size: 6KB

.vmp0 Size: - Virtual size: 1.5MB

.vmp1 Size: 3.2MB - Virtual size: 3.2MB

.reloc Size: 1KB - Virtual size: 1KB

.rsrc Size: 6KB - Virtual size: 6KB

.text
Size: - Virtual size: 27KB

.rdata
Size: - Virtual size: 11KB

.data
Size: - Virtual size: 6KB

.vmp0
Size: - Virtual size: 1.5MB

.vmp1
Size: 3.2MB - Virtual size: 3.2MB

.reloc
Size: 1KB - Virtual size: 1KB

.rsrc
Size: 6KB - Virtual size: 6KB