Static task
static1
Behavioral task
behavioral1
Sample
2024-08-17_c7f5772e05f4c99fe4d3d23c3fcf9f3e_bkransomware.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-08-17_c7f5772e05f4c99fe4d3d23c3fcf9f3e_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-17_c7f5772e05f4c99fe4d3d23c3fcf9f3e_bkransomware
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Size
662KB
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MD5
c7f5772e05f4c99fe4d3d23c3fcf9f3e
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SHA1
d661b6d5fbd5b6749b6f7f1b8b17d09c04e9277f
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SHA256
663bb27ced418710bf2a61cda59f344772a73ed7c44d72a587fad4b94505d35a
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SHA512
44efe4bf864eff546d78040a5ad1eb1d84da377d182a7c7b1e60f897880ea394c373e7a94b0d4cd504c9b302e3e85eff567ede88b8b4451cb4e35cc672ae589d
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SSDEEP
12288:3tsG1Rl+/EROkIplKCl0nGiP0dNgrHIh3gcWpG60VmzJay:3tN1D+Rpl/wP0dNOohVW0hqJ
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-17_c7f5772e05f4c99fe4d3d23c3fcf9f3e_bkransomware
Files
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2024-08-17_c7f5772e05f4c99fe4d3d23c3fcf9f3e_bkransomware.exe windows:5 windows x86 arch:x86
478f30b9108627e8fe0ccb1313d753c3
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
GetTempPathA
ReadFile
CloseHandle
DuplicateHandle
GetCurrentProcess
CreateProcessW
GetFullPathNameA
GetCommandLineA
IsProcessorFeaturePresent
GetProcessHeap
GetStdHandle
WriteFile
GetModuleFileNameW
IsDebuggerPresent
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
SetLastError
GetCurrentThread
GetCurrentThreadId
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
GetStringTypeW
GetFileType
DeleteFileW
SetStdHandle
GetCurrentProcessId
SetFilePointerEx
ReadConsoleW
GetFileAttributesExW
GetTimeZoneInformation
RaiseException
GetFullPathNameW
CreatePipe
CreateProcessA
SetEnvironmentVariableA
SetEnvironmentVariableW
GetEnvironmentStringsW
FreeEnvironmentStringsW
MoveFileExW
GetModuleFileNameA
QueryPerformanceCounter
OutputDebugStringW
WriteConsoleW
FlushFileBuffers
HeapSize
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FileTimeToLocalFileTime
GetFileInformationByHandle
PeekNamedPipe
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateFileW
WaitForSingleObject
GetExitCodeProcess
SetEndOfFile
Sections
.text Size: 536KB - Virtual size: 535KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 41KB - Virtual size: 41KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 38KB - Virtual size: 61KB
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