Static task
static1
Behavioral task
behavioral1
Sample
2024-08-17_8a6b503f6c4dafa16acb934d8dc88ffe_bkransomware.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-08-17_8a6b503f6c4dafa16acb934d8dc88ffe_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-17_8a6b503f6c4dafa16acb934d8dc88ffe_bkransomware
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Size
657KB
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MD5
8a6b503f6c4dafa16acb934d8dc88ffe
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SHA1
30c9ad84244a3fb38d0b0438da116c85aec97f86
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SHA256
f2c4b83642bb8033a44f3ad96e6b28213898ecdf32060df9c0c852a102e7e036
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SHA512
145a9faef1b2c79d14b138d50ae5b3a98e94d4193fd80948545ca4c4dbb805ab50a96c681607f4ce3248ef200ae2be3da1788b56f84cfa80fc48d8edd7de37e0
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SSDEEP
12288:51hTfdl/V0PiqhYNu4XJEB/dfFqxFK79il2E/lGaWGk3ln4hc0FS:51Rdl/V0Ph5YW/dfFqDY9il2MGaa314c
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-17_8a6b503f6c4dafa16acb934d8dc88ffe_bkransomware
Files
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2024-08-17_8a6b503f6c4dafa16acb934d8dc88ffe_bkransomware.exe windows:5 windows x86 arch:x86
f6c5f03932eb00f246ef38b79feb611a
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
GetSystemTimeAsFileTime
HeapReAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetLocalTime
GetTimeZoneInformation
CloseHandle
DuplicateHandle
GetCurrentProcess
CreateProcessW
DeleteFileW
GetFullPathNameW
GetTempPathA
SetErrorMode
GetCommandLineA
IsProcessorFeaturePresent
GetProcessHeap
GetStdHandle
WriteFile
GetModuleFileNameW
IsDebuggerPresent
SetLastError
GetCurrentThread
GetCurrentThreadId
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetTickCount
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFileType
RaiseException
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
ReadFile
SetFilePointerEx
GetFileAttributesExW
CreatePipe
CreateProcessA
SetEnvironmentVariableA
SetEnvironmentVariableW
ReadConsoleW
GetCurrentProcessId
GetModuleFileNameA
QueryPerformanceCounter
OutputDebugStringW
SetStdHandle
WriteConsoleW
FlushFileBuffers
HeapSize
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FileTimeToLocalFileTime
GetFileInformationByHandle
PeekNamedPipe
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateFileW
WaitForSingleObject
GetExitCodeProcess
GetFullPathNameA
SetEndOfFile
Sections
.text Size: 524KB - Virtual size: 524KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 41KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 45KB - Virtual size: 178KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 46KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ