Static task
static1
Behavioral task
behavioral1
Sample
2024-08-18_df284a54f23f8622df9dd9400741dc63_bkransomware.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-08-18_df284a54f23f8622df9dd9400741dc63_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-18_df284a54f23f8622df9dd9400741dc63_bkransomware
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Size
641KB
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MD5
df284a54f23f8622df9dd9400741dc63
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SHA1
e1b9244b13a7cd8c36871b9f5e8e6e877c6bcc5f
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SHA256
5b60cac95183703dd8fd84698f17e4a252b35cfe05b359c1b4635a96cf14ee1c
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SHA512
ca514e05d051c39ac73849b04cd6c2cf2342a8355a8b2bcdc5b7111f562d17515fd397973fbbb35cbb74fb02d7cf32a6edeec31c1efd68389bd70921b6d99891
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SSDEEP
12288:vjSAxO9Y9+SuXGzNU4hXdyGo3fX6vnM6bI1uyvMWP1XID4X:vTx59+STRFtyevnM6blyPXB
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-18_df284a54f23f8622df9dd9400741dc63_bkransomware
Files
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2024-08-18_df284a54f23f8622df9dd9400741dc63_bkransomware.exe windows:5 windows x86 arch:x86
7a111823103f89e722832a9a6fa8ffcb
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
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetLocalTime
DeleteCriticalSection
GetTempPathA
CloseHandle
DuplicateHandle
GetCurrentProcess
CreateProcessA
GetCommandLineA
IsProcessorFeaturePresent
GetProcessHeap
GetStdHandle
WriteFile
GetModuleFileNameW
IsDebuggerPresent
SetLastError
GetCurrentThread
GetCurrentThreadId
EnterCriticalSection
LeaveCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetTickCount
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
RtlUnwind
GetConsoleCP
GetConsoleMode
SetFilePointerEx
GetFileType
MoveFileExW
GetStringTypeW
GetTimeZoneInformation
RaiseException
GetCurrentProcessId
WaitForSingleObject
GetExitCodeProcess
CreatePipe
FlushFileBuffers
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetModuleFileNameA
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
OutputDebugStringW
HeapSize
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
SetStdHandle
WriteConsoleW
ReadFile
ReadConsoleW
GetFileAttributesExW
CreateFileW
FileTimeToLocalFileTime
GetFileInformationByHandle
PeekNamedPipe
GetFullPathNameW
SetCurrentDirectoryW
GetCurrentDirectoryW
SetEndOfFile
SetEnvironmentVariableA
GetFullPathNameA
Sections
.text Size: 504KB - Virtual size: 503KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 42KB - Virtual size: 42KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 48KB - Virtual size: 84KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 45KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ