Static task
static1
Behavioral task
behavioral1
Sample
byebyefronbypass.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
byebyefronbypass.exe
Resource
win10v2004-20240508-en
General
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Target
byebyefronbypass.exe
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Size
17.9MB
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MD5
b5128526be8a6b02a0ea3dcb4bef1478
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SHA1
18ebaf313817a11509c88b56c21fee3153d2355b
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SHA256
cdddb70fc2836d52d8fe97b8bf301ffb9386ca7fe611b5a4b8bc055f9d344cc1
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SHA512
05b68778d5c33c6e2b1109d6886a1e859ed8430a7b3a5a7e7c9fe3cfd6699a5b48505502097e61aad9f4b4def7c8b1c2f6ce94cc2cc5ace6be13a22e2520592f
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SSDEEP
393216:/PuxYjFHQAmcWBfVuQaFMR8D7fwveOn92/wnMU+j5QzFeY:/Pux6F2Bf5aFMR8DoewQW650F
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource byebyefronbypass.exe
Files
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byebyefronbypass.exe.exe windows:6 windows x64 arch:x64
16bdacb1c91a7c4b568bce4938368cda
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
shell32
SHFileOperationW
SHGetFolderPathW
kernel32
EnterCriticalSection
WriteConsoleW
CreateDirectoryW
SizeofResource
SetConsoleCtrlHandler
GetCommandLineW
WriteFile
TerminateProcess
GetModuleFileNameW
SetEnvironmentVariableW
GetTempPathW
FindResourceA
WaitForSingleObject
CreateFileW
GetFileAttributesW
Sleep
GetLastError
LockResource
CloseHandle
LoadResource
GetProcAddress
GetCurrentProcessId
CreateProcessW
WideCharToMultiByte
GetSystemTimeAsFileTime
FormatMessageA
GetExitCodeProcess
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
HeapReAlloc
RtlUnwindEx
SetLastError
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
EncodePointer
RaiseException
RtlPcToFileHeader
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetStdHandle
HeapAlloc
MultiByteToWideChar
HeapFree
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetStringTypeW
GetProcessHeap
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
GetFileSizeEx
SetFilePointerEx
HeapSize
Sections
.text Size: 128KB - Virtual size: 128KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 51KB - Virtual size: 50KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 75KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 500B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 17.7MB - Virtual size: 17.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ