d:\build\ob\bora-18278582\vos3\thinstall\modules\boot_loader.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-26_23169e4545121cc52df9dcb71d99840c_bkransomware.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-26_23169e4545121cc52df9dcb71d99840c_bkransomware.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-26_23169e4545121cc52df9dcb71d99840c_bkransomware
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Size
369KB
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MD5
23169e4545121cc52df9dcb71d99840c
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SHA1
d3b6451258740904c2330ede46471e5cafeb4dec
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SHA256
6a1c4212381ecb8a35bbbd8ae54c0def4ee30148a2805a83537afc8763d96894
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SHA512
5605bb0a073c0e2ad3bd5d4411db5914cbce70fff1016df3a0aa3e206bf16028e8e61b82a190dfdfc90748a03bdfd0a549c21c7098e431e6d33898e02ee53f3b
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SSDEEP
3072:GiOWmc/omlw00PiomKpxRft4HIQj2Wd+7WHJGLXwULwxh9jpxh9jZ:G6+jDLRft+AWd5SwP
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-26_23169e4545121cc52df9dcb71d99840c_bkransomware
Files
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2024-05-26_23169e4545121cc52df9dcb71d99840c_bkransomware.exe windows:5 windows x86 arch:x86
5d016bda6c524ebb09becda43ec4c085
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
PDB Paths
Imports
kernel32
WaitForSingleObject
Sleep
CloseHandle
DuplicateHandle
CreateProcessW
GetStartupInfoW
GetEnvironmentVariableW
GetCurrentProcess
GetFileAttributesW
DeleteFileW
FindFirstFileW
FindNextFileW
CopyFileW
MoveFileW
MoveFileExW
SetEnvironmentVariableW
GetCommandLineW
GetModuleHandleW
GetModuleFileNameW
GetLastError
ExpandEnvironmentStringsW
CreateFileW
FlushFileBuffers
WriteConsoleW
SetStdHandle
OutputDebugStringW
LCMapStringW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapReAlloc
LoadLibraryExW
WriteFile
LeaveCriticalSection
EnterCriticalSection
HeapSize
VirtualQuery
GetStringTypeW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
HeapAlloc
IsDebuggerPresent
IsProcessorFeaturePresent
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
TerminateProcess
InitializeCriticalSectionAndSpinCount
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
HeapFree
DeleteCriticalSection
GetFileType
GetStdHandle
GetProcessHeap
WideCharToMultiByte
MultiByteToWideChar
GetModuleHandleExW
DecodePointer
EncodePointer
RaiseException
RtlUnwind
GetCommandLineA
LoadLibraryW
GetProcAddress
GetCurrentThreadId
ExitProcess
FormatMessageW
SetLastError
LocalFree
user32
wsprintfW
MessageBoxW
ntdll
NtWriteVirtualMemory
RtlSetSaclSecurityDescriptor
RtlSetDaclSecurityDescriptor
RtlFreeSid
RtlAddAccessAllowedAce
RtlLengthSid
RtlCreateSecurityDescriptor
RtlAllocateAndInitializeSid
NtReadVirtualMemory
NtSetInformationProcess
NtRaiseHardError
NtTerminateProcess
RtlFreeHeap
RtlAllocateHeap
RtlRaiseException
NtReleaseMutant
NtCreateMutant
NtSetEvent
NtOpenEvent
NtQueryVirtualMemory
NtSetInformationFile
NtQueryDirectoryFile
NtClearEvent
NtCreateEvent
LdrUnloadDll
NtProtectVirtualMemory
NtReadFile
NtQueryFullAttributesFile
NtQueryInformationFile
NtOpenFile
NtMapViewOfSection
NtCreateSection
RtlMultiByteToUnicodeN
LdrGetProcedureAddress
RtlQueryEnvironmentVariable_U
RtlCompareUnicodeString
RtlInitAnsiString
NtAllocateVirtualMemory
RtlGetVersion
RtlLeaveCriticalSection
RtlEnterCriticalSection
RtlInitializeCriticalSection
NtDuplicateObject
NtWaitForSingleObject
LdrGetDllHandle
NtDelayExecution
RtlFreeAnsiString
RtlUnicodeStringToAnsiString
NtOpenDirectoryObject
RtlInitUnicodeString
NtQuerySystemInformation
NtQueryInformationProcess
NtOpenSection
NtUnmapViewOfSection
NtClose
RtlNtStatusToDosError
LdrLoadDll
RtlCreateAcl
Sections
.text Size: 107KB - Virtual size: 107KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 35KB - Virtual size: 35KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 153KB - Virtual size: 160KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 72KB - Virtual size: 71KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ