Static task
static1
Behavioral task
behavioral1
Sample
2024-08-17_638dc177e1f6d3aa09e69b8351ef41a3_bkransomware.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-08-17_638dc177e1f6d3aa09e69b8351ef41a3_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-17_638dc177e1f6d3aa09e69b8351ef41a3_bkransomware
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Size
651KB
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MD5
638dc177e1f6d3aa09e69b8351ef41a3
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SHA1
d777a9c3ac9189b3da9be2ddb8c684221f50c5c1
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SHA256
a2e43c178f918fef9f0577d09d493fb4ff6ac9690680442eed2149335a7cdbdd
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SHA512
74f7ecc560089253dd2c03d8dbd3649a138f21e7e3113815e01acae4396e3f9f0db753d6e434c9f517530158481fd5495c8a443c4ad9a23c4b31cf16efaf7568
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SSDEEP
12288:8kEfGllOd7Mz2ZGZC1TvR5zwVTmNcUvVl6r63VHUFghI:8kE+kMzYBdvRNwVmpNll39UqI
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-17_638dc177e1f6d3aa09e69b8351ef41a3_bkransomware
Files
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2024-08-17_638dc177e1f6d3aa09e69b8351ef41a3_bkransomware.exe windows:5 windows x86 arch:x86
2488b2f9ed37c99fb210045ec62e2526
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
ReadFile
Beep
Sleep
GetTimeZoneInformation
GetLocalTime
SetErrorMode
GetCommandLineA
IsProcessorFeaturePresent
GetProcessHeap
GetStdHandle
WriteFile
GetModuleFileNameW
IsDebuggerPresent
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
CloseHandle
SetLastError
GetCurrentThread
GetCurrentThreadId
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetTickCount
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFileAttributesExW
SetFilePointerEx
ReadConsoleW
GetFileType
GetStringTypeW
RaiseException
DeleteFileW
FlushFileBuffers
GetFullPathNameW
GetModuleFileNameA
QueryPerformanceCounter
GetCurrentProcessId
GetEnvironmentStringsW
FreeEnvironmentStringsW
OutputDebugStringW
SetStdHandle
WriteConsoleW
HeapSize
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FileTimeToLocalFileTime
GetFileInformationByHandle
PeekNamedPipe
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateFileW
WaitForSingleObject
GetExitCodeProcess
CreateProcessW
SetEnvironmentVariableA
SetEndOfFile
SetEnvironmentVariableW
GetFullPathNameA
Sections
.text Size: 527KB - Virtual size: 526KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 42KB - Virtual size: 41KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 36KB - Virtual size: 144KB
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