Static task
static1
Behavioral task
behavioral1
Sample
2024-06-03_89c517ec396fe479a0ab7d18e9e47145_bkransomware.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-03_89c517ec396fe479a0ab7d18e9e47145_bkransomware.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-03_89c517ec396fe479a0ab7d18e9e47145_bkransomware
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Size
214KB
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MD5
89c517ec396fe479a0ab7d18e9e47145
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SHA1
8f09f4e8d502290c4cf2614739f9686d277dac05
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SHA256
f91d3d992f9486c3258058ad0aa385c0f6e7234f4918a4f699e85489eeca3f5e
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SHA512
aac8f74e7b62d34a0ee1fd18f33d7789f8697ce0aed013f0f58c2659c97050261a9f27439da480ba1be6cbeeb83d7d40b5154491d44a207cfdfa1db9f18954ac
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SSDEEP
3072:ZhpAyazIlyazT3EDwjaxVQ6ik7FqZhnH8lueqMBfUlT42MvnYh6r3OWTT2UgrOw:hZMazg1s6ieFwgfqWUIYh6TOW2Iw
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-03_89c517ec396fe479a0ab7d18e9e47145_bkransomware
Files
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2024-06-03_89c517ec396fe479a0ab7d18e9e47145_bkransomware.exe windows:5 windows x86 arch:x86
46ad3d954e527f769e37017b3e128039
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
WriteFile
ReadFile
CreateFileW
FlushFileBuffers
GetLastError
FindClose
LocalAlloc
GetLogicalDriveStringsW
LocalFree
CreateThread
ExpandEnvironmentStringsW
WriteConsoleW
SetFilePointerEx
SetStdHandle
GetConsoleMode
CreateProcessW
SetFilePointer
GetDriveTypeW
FindFirstFileW
CreateMutexW
GetFileSize
GetEnvironmentVariableW
FindNextFileW
ExitProcess
GetConsoleCP
GetCommandLineW
IsProcessorFeaturePresent
SetLastError
GetCurrentThreadId
EncodePointer
DecodePointer
GetModuleHandleExW
GetProcAddress
MultiByteToWideChar
WideCharToMultiByte
GetProcessHeap
GetStdHandle
GetFileType
DeleteCriticalSection
GetStartupInfoW
GetModuleFileNameW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
HeapFree
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
IsDebuggerPresent
LoadLibraryExW
RtlUnwind
OutputDebugStringW
HeapAlloc
HeapReAlloc
GetStringTypeW
HeapSize
LCMapStringW
CloseHandle
user32
wsprintfW
advapi32
RegCloseKey
CryptGenRandom
RegCreateKeyW
CryptAcquireContextW
RegSetValueExW
ntdll
RtlAdjustPrivilege
NtDelayExecution
NtClose
Sections
.text Size: 59KB - Virtual size: 59KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ