Static task
static1
Behavioral task
behavioral1
Sample
2024-08-19_cbc4611dddf31224e78f61352f9f4c44_bkransomware.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-19_cbc4611dddf31224e78f61352f9f4c44_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-19_cbc4611dddf31224e78f61352f9f4c44_bkransomware
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Size
637KB
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MD5
cbc4611dddf31224e78f61352f9f4c44
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SHA1
1bf2a9cac7ca31fbd8a8f7890eefda1c4bf66358
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SHA256
c3e4beb5c4b9c9478a6f1a35fef67e5698e6a07b610672e7c0725cc3782549dc
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SHA512
67e3ae23823d8d29c67b3c635bb80aa149789943bb70b0682b73b439526798b48046841d6579334fc051671a66fbc19e2d11ce7b3516309fc6a02b57b9719af4
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SSDEEP
12288:HlzQwAxrXC7UoMLIUNUsr5JXYd1zbNfnv+4M3y4H5Z/CQQS9D3lQ5U6u0to:HlzqxjCBMc8UsrLkzxfv+4MrZ/iWy5UL
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-19_cbc4611dddf31224e78f61352f9f4c44_bkransomware
Files
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2024-08-19_cbc4611dddf31224e78f61352f9f4c44_bkransomware.exe windows:5 windows x86 arch:x86
e1f55e01e77385eafa9c0dd8f9d6b195
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
GetSystemTimeAsFileTime
HeapReAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetTempPathW
DeleteFileW
DeleteCriticalSection
GetCommandLineA
IsProcessorFeaturePresent
GetProcessHeap
GetStdHandle
WriteFile
GetModuleFileNameW
SetLastError
GetCurrentThread
GetCurrentThreadId
IsDebuggerPresent
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
CloseHandle
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetTickCount
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFileType
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
RaiseException
GetCurrentProcessId
GetFileAttributesExW
GetFullPathNameA
GetTimeZoneInformation
FlushFileBuffers
MoveFileExW
ReadFile
ReadConsoleW
SetFilePointerEx
GetModuleFileNameA
QueryPerformanceCounter
OutputDebugStringW
SetStdHandle
WriteConsoleW
HeapSize
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FileTimeToLocalFileTime
GetFileInformationByHandle
PeekNamedPipe
GetFullPathNameW
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateFileW
SetEnvironmentVariableW
SetEndOfFile
SetEnvironmentVariableA
Sections
.text Size: 508KB - Virtual size: 507KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 37KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 45KB - Virtual size: 161KB
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