Static task
static1
Behavioral task
behavioral1
Sample
2024-05-04_71e83b4e52551b8aa48b8c36068c0beb_bkransomware.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-04_71e83b4e52551b8aa48b8c36068c0beb_bkransomware.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_71e83b4e52551b8aa48b8c36068c0beb_bkransomware
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Size
1.8MB
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MD5
71e83b4e52551b8aa48b8c36068c0beb
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SHA1
7e5fb8b3ec7cebf389d7fbfb1bf77089a7b7cc0b
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SHA256
7e01ebd6f6b5ff1725dbdce928bfcb50c9d57d0e92dcbbff39b898fdf1b6a34f
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SHA512
2bf15c92c48e03844bf3b964de074f2e36d9592050cd11794e1cd178358e30be78663e3695ec40287e5ec1bc9471d4a6687b71d81c667c8b0b1f404d35f05389
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SSDEEP
12288:tP/LvsFPyHZKGENZMkY8pJy6JKpdGyy5EAXIR8R1HDEpUE9QDV9U11SR:5zEeoJJNK/Ry5EAXIR8RUAR
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-04_71e83b4e52551b8aa48b8c36068c0beb_bkransomware
Files
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2024-05-04_71e83b4e52551b8aa48b8c36068c0beb_bkransomware.exe windows:5 windows x86 arch:x86
e4318fe059493b307c8841deafc806a6
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetModuleFileNameA
GetFullPathNameA
EnterCriticalSection
LeaveCriticalSection
IsDebuggerPresent
IsProcessorFeaturePresent
EncodePointer
DecodePointer
GetLastError
HeapFree
HeapAlloc
HeapReAlloc
ExitProcess
GetModuleHandleExW
GetProcAddress
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetCommandLineA
RaiseException
RtlUnwind
DeleteCriticalSection
GetStdHandle
GetFileType
GetStartupInfoW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
SetLastError
GetCurrentThreadId
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleW
HeapSize
GetProcessHeap
WriteFile
GetModuleFileNameW
ReadFile
GetConsoleMode
ReadConsoleW
GetConsoleCP
CloseHandle
LoadLibraryExW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
FlushFileBuffers
GetStringTypeW
LCMapStringW
SetFilePointerEx
OutputDebugStringW
SetStdHandle
WriteConsoleW
CreateFileW
SetEndOfFile
advapi32
RegCloseKey
RegOpenKeyExA
RegQueryValueExA
Sections
.text Size: 103KB - Virtual size: 102KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 74KB - Virtual size: 74KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 837KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ