Static task
static1
Behavioral task
behavioral1
Sample
2024-10-01_4e7a28c7aab71c2b860715d343a0a15a_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-01_4e7a28c7aab71c2b860715d343a0a15a_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-01_4e7a28c7aab71c2b860715d343a0a15a_bkransomware
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Size
634KB
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MD5
4e7a28c7aab71c2b860715d343a0a15a
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SHA1
daa34d76fbc8992e10bd8bdca53879323a33ea20
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SHA256
67367bcdff4f7fbf8da6a7e5f7d4b5cfcebff50148311c7f11c8f3147f87bfa2
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SHA512
1f855ae77b034903aa9255b0ae82072d449eea98a3fda4f1f8cfa7db096e2caa6cb0d025724c56d2532209cf1c2bf1255f86087004790c07a8da5dc13efce709
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SSDEEP
12288:DJzVR+d+/EBMID4hpcZ4bspilTQcViHemDU47uoa4F:DJc+/Ea5w+bKilTqHe87BF
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-10-01_4e7a28c7aab71c2b860715d343a0a15a_bkransomware
Files
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2024-10-01_4e7a28c7aab71c2b860715d343a0a15a_bkransomware.exe windows:5 windows x86 arch:x86
b639c02c98a68e0200c844fdd3c97ca1
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
CloseHandle
DuplicateHandle
GetCurrentProcess
CreateProcessA
GetTimeZoneInformation
DeleteCriticalSection
Beep
Sleep
GetFullPathNameW
SetErrorMode
CreateProcessW
GetCommandLineA
IsProcessorFeaturePresent
GetProcessHeap
GetStdHandle
WriteFile
GetModuleFileNameW
IsDebuggerPresent
SetLastError
GetCurrentThread
GetCurrentThreadId
EnterCriticalSection
LeaveCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetTickCount
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
RtlUnwind
GetConsoleCP
GetConsoleMode
GetFileType
GetStringTypeW
SetFilePointerEx
RaiseException
SetEnvironmentVariableA
SetEnvironmentVariableW
WaitForSingleObject
GetExitCodeProcess
CreatePipe
FlushFileBuffers
DeleteFileW
GetFullPathNameA
GetFileAttributesExW
GetModuleFileNameA
QueryPerformanceCounter
GetCurrentProcessId
GetEnvironmentStringsW
FreeEnvironmentStringsW
OutputDebugStringW
HeapSize
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FileTimeToLocalFileTime
GetFileInformationByHandle
PeekNamedPipe
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateFileW
SetStdHandle
WriteConsoleW
ReadFile
ReadConsoleW
SetEndOfFile
Sections
.text Size: 521KB - Virtual size: 521KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 32KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 34KB - Virtual size: 98KB
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