Static task
static1
Behavioral task
behavioral1
Sample
2024-08-18_c63b8d469e20d9c0dab1184e03f37de1_bkransomware.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-08-18_c63b8d469e20d9c0dab1184e03f37de1_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-18_c63b8d469e20d9c0dab1184e03f37de1_bkransomware
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Size
619KB
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MD5
c63b8d469e20d9c0dab1184e03f37de1
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SHA1
6af74f4a875d6628854ffc8b114ecdc50c2a1bf4
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SHA256
b7c4b8ca7a21f562c2b30b56478398d3467ae298dce3178c94b1c8a7221e568b
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SHA512
2ca5abeda77f44949cdbc0d5c59850c1686c81b3b69970b22b7b47b0c78e5e44931c6107a277684a56799a99a8beff13689c6b01ff940447b1882ebbbff74d07
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SSDEEP
12288:fmGvgW3kauoshRUPMu8162RYw6XuHwieZrZ5ij9lz7PsBn:fmGvg2kashRCT2yfXuHxIZqfUZ
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-18_c63b8d469e20d9c0dab1184e03f37de1_bkransomware
Files
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2024-08-18_c63b8d469e20d9c0dab1184e03f37de1_bkransomware.exe windows:5 windows x86 arch:x86
39316cb08a0629da79c9d6981de0b671
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetProcAddress
GetModuleHandleA
GetLastError
HeapFree
HeapAlloc
HeapReAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetSystemTimeAsFileTime
DeleteFileW
GetTempPathA
GetTimeZoneInformation
DeleteCriticalSection
GetCommandLineA
IsProcessorFeaturePresent
GetProcessHeap
GetStdHandle
WriteFile
GetModuleFileNameW
IsDebuggerPresent
EnterCriticalSection
LeaveCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetTickCount
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
RtlUnwind
GetCurrentThread
GetCurrentThreadId
GetConsoleCP
GetConsoleMode
CloseHandle
GetStringTypeW
GetCurrentProcessId
ReadFile
ReadConsoleW
GetFileType
SetEnvironmentVariableA
SetEnvironmentVariableW
RaiseException
GetModuleFileNameA
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
OutputDebugStringW
SetFilePointerEx
HeapSize
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FileTimeToLocalFileTime
GetFileInformationByHandle
PeekNamedPipe
GetFullPathNameW
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateFileW
SetStdHandle
WriteConsoleW
FlushFileBuffers
GetFileAttributesExW
SetEndOfFile
GetFullPathNameA
Sections
.text Size: 493KB - Virtual size: 492KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 34KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 45KB - Virtual size: 189KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 45KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ