Overview
overview
7Static
static
3Btcbf-wind...tar.xz
windows7-x64
3Btcbf-wind...tar.xz
windows10-2004-x64
3Btcbf-wind....0.tar
windows7-x64
3Btcbf-wind....0.tar
windows10-2004-x64
3Btcbf-x64.exe
windows7-x64
7Btcbf-x64.exe
windows10-2004-x64
7Btcbf.pyc
windows7-x64
3Btcbf.pyc
windows10-2004-x64
3address.txt
windows7-x64
1address.txt
windows10-2004-x64
1Behavioral task
behavioral1
Sample
Btcbf-windows64-v.1.2.0.tar.xz
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
Btcbf-windows64-v.1.2.0.tar.xz
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
Btcbf-windows64-v.1.2.0.tar
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
Btcbf-windows64-v.1.2.0.tar
Resource
win10v2004-20240611-en
Behavioral task
behavioral5
Sample
Btcbf-x64.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
Btcbf-x64.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
Btcbf.pyc
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
Btcbf.pyc
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
address.txt
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
address.txt
Resource
win10v2004-20240226-en
General
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Target
Btcbf-windows64-v.1.2.0.tar.xz
-
Size
8.2MB
-
MD5
32a9e762c71041ce103c0a6d4c6bb3e9
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SHA1
e35592bc4836f3b14547557fadfc1c0dcb99844d
-
SHA256
da37a9270e2124a45d351dc9c67a64f1464446c975261127e484865a17a71254
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SHA512
f9d57f74416dd81c3dd49ce09b02677310356365d2109b527d023427a247f4e47337d02787cbd05b60dcba25670ef5f7cadc422cfcaa312e9c0b19cb292c4bf8
-
SSDEEP
196608:YHa2eCdgNsFddyTt5glz7T6SrtgfZ/0JZkBFsIRa6Iio2d:YHa2eS8adRrGhsrY5g6vd
Malware Config
Signatures
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Detects Pyinstaller 1 IoCs
resource yara_rule static1/unpack002/Btcbf-x64.exe pyinstaller -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack002/Btcbf-x64.exe
Files
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Btcbf-windows64-v.1.2.0.tar.xz.xz
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Btcbf-windows64-v.1.2.0.tar.tar
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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
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address.txt