Static task
static1
Behavioral task
behavioral1
Sample
2024-07-26_5ac37ccab21b1be3dedc776486c82b9d_bkransomware.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-07-26_5ac37ccab21b1be3dedc776486c82b9d_bkransomware.exe
Resource
win10v2004-20240709-en
General
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Target
2024-07-26_5ac37ccab21b1be3dedc776486c82b9d_bkransomware
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Size
636KB
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MD5
5ac37ccab21b1be3dedc776486c82b9d
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SHA1
8618a2f5b3bede31eee484ca4be00491bec89bf1
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SHA256
8933c7be3e202c38eedad77a32d2e61e15e0b5ff8afcb12aa18d88a9e230752c
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SHA512
a9154cb8f6a56454debf708276fb65a246caf02130b752570bef997d277f0097672e38c5bcad1d11b615a95800a7e62223a9416b50be382a1fd09065d0f05341
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SSDEEP
12288:TtPMazncwE2vxWqizuiOFlrckcjsMZX6hk5sFumov7eQwt5YwfH:9pncwTvxbi7OFlrckqKhk6FS7erhf
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-07-26_5ac37ccab21b1be3dedc776486c82b9d_bkransomware
Files
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2024-07-26_5ac37ccab21b1be3dedc776486c82b9d_bkransomware.exe windows:5 windows x86 arch:x86
97550de9568d57ff042b619f2d6ba804
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetModuleHandleA
GetProcAddress
GetLastError
HeapFree
HeapAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetLocalTime
GetTempPathA
GetTimeZoneInformation
GetSystemTimeAsFileTime
HeapReAlloc
CloseHandle
DuplicateHandle
GetCurrentProcess
CreateProcessA
GetCommandLineA
IsProcessorFeaturePresent
GetProcessHeap
GetStdHandle
WriteFile
GetModuleFileNameW
IsDebuggerPresent
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetTickCount
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
RtlUnwind
GetCurrentThread
GetCurrentThreadId
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetFileType
ReadFile
GetConsoleMode
ReadConsoleW
SetStdHandle
GetConsoleCP
GetCurrentProcessId
GetStringTypeW
RaiseException
SetFilePointerEx
SetEnvironmentVariableA
SetEnvironmentVariableW
WaitForSingleObject
GetExitCodeProcess
CreatePipe
GetModuleFileNameA
QueryPerformanceCounter
OutputDebugStringW
HeapSize
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FileTimeToLocalFileTime
GetFileInformationByHandle
PeekNamedPipe
GetFullPathNameW
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateFileW
GetFileAttributesExW
WriteConsoleW
FlushFileBuffers
SetEndOfFile
GetFullPathNameA
Sections
.text Size: 518KB - Virtual size: 518KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 33KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 38KB - Virtual size: 144KB
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