Static task
static1
Behavioral task
behavioral1
Sample
BlackBit.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
BlackBit.exe
Resource
win10v2004-20230220-en
General
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Target
BlackBit.bin
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Size
499KB
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MD5
7ef84720d7b30286bff9483fe53bba62
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SHA1
b8dbb845cc37fa555d5a3f52e4bbb76aa2be0933
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SHA256
9763da5ee688a2391599a22638a84cbc7f99e32cd6865eac4621cc427f6c3a63
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SHA512
3dde93035b9824256613ba4d93cafa9f43c037953d26ca9390bbda8feca477c0fe149bee4730362cee3b0b2d89ca825bba7243d43665adc8c5272863a33f718e
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SSDEEP
12288:Dh1Lk70Tnvjcg27dWy1fX6qOLzvkLek4v+KXdPeA:fk70TrcbT56qOHv31PJv
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BlackBit.bin
Files
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BlackBit.bin.exe windows x86
bf5a4aa99e5b160f8521cadd6bfe73b8
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
RaiseException
GetLastError
MultiByteToWideChar
lstrlenA
InterlockedDecrement
GetProcAddress
LoadLibraryA
FreeResource
SizeofResource
LockResource
LoadResource
FindResourceA
GetModuleHandleA
Module32Next
CloseHandle
Module32First
CreateToolhelp32Snapshot
GetCurrentProcessId
SetEndOfFile
GetStringTypeW
GetStringTypeA
LCMapStringW
LCMapStringA
GetLocaleInfoA
HeapFree
GetProcessHeap
HeapAlloc
GetCommandLineA
HeapCreate
VirtualFree
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
VirtualAlloc
HeapReAlloc
HeapSize
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetModuleHandleW
Sleep
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameA
WideCharToMultiByte
GetConsoleCP
GetConsoleMode
ReadFile
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
FlushFileBuffers
SetFilePointer
SetHandleCount
GetFileType
GetStartupInfoA
RtlUnwind
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetTickCount
GetSystemTimeAsFileTime
InitializeCriticalSectionAndSpinCount
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
CompareStringA
CompareStringW
SetEnvironmentVariableA
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
SetStdHandle
CreateFileA
ole32
OleInitialize
oleaut32
SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
SafeArrayDestroy
SafeArrayCreateVector
VariantClear
VariantInit
SysFreeString
SysAllocString
Sections
.text Size: 102KB - Virtual size: 101KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 27KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 363KB - Virtual size: 362KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ