Behavioral task
behavioral1
Sample
Btcbf-x64.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Btcbf-x64.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Btcbf.pyc
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
Btcbf.pyc
Resource
win10v2004-20240802-en
General
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Target
Btcbf-x64.exe
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Size
8.1MB
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MD5
efa35abdfad873d22fad4d129c730f62
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SHA1
91c8f4f5eca24b29be095c1c90c659336b9316c2
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SHA256
f73f8e20ec34cc8f39715f7d8d9c63bd23c324a66c3320e10e1d8dabd6d354c1
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SHA512
b03057e9664f5fc7d7d1b24c83db2dcb29060d8cbaef0911621263b753d01607159f2958a796211e907bd32007204f177347679ecb4362d7d65965e5d4285162
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SSDEEP
196608:rAy9xTrjd3MOdyygyU/Fer6toy0qSE9zaQ2TERLkXB:ky9xnMTgGoNn44wS
Malware Config
Signatures
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Detects Pyinstaller 1 IoCs
resource yara_rule sample pyinstaller -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Btcbf-x64.exe
Files
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Btcbf-x64.exe.exe windows:5 windows x64 arch:x64
f4cf09dd5265ea802d83e943c2137765
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
kernel32
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
CreateDirectoryW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
GetStartupInfoW
LoadLibraryExW
CloseHandle
GetCurrentProcess
LoadLibraryA
LocalFree
FormatMessageW
MultiByteToWideChar
WideCharToMultiByte
SetEndOfFile
GetProcAddress
GetModuleFileNameW
SetDllDirectoryW
CreateProcessW
GetLastError
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
RaiseException
GetCommandLineA
ReadFile
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
RemoveDirectoryW
FindClose
FindFirstFileExW
FindNextFileW
SetStdHandle
SetConsoleCtrlHandler
DeleteFileW
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
HeapAlloc
HeapFree
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleCP
GetFileSizeEx
CompareStringW
LCMapStringW
GetCurrentDirectoryW
FlushFileBuffers
GetFileAttributesExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
GetProcessHeap
GetTimeZoneInformation
HeapSize
HeapReAlloc
WriteConsoleW
advapi32
ConvertSidToStringSidW
GetTokenInformation
OpenProcessToken
ConvertStringSecurityDescriptorToSecurityDescriptorW
Sections
.text Size: 134KB - Virtual size: 134KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 64KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 148B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 113KB - Virtual size: 113KB
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
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Btcbf.pyc