Static task
static1
Behavioral task
behavioral1
Sample
2024-09-30_56c858e56366b8b319e9286f9d85cc67_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-30_56c858e56366b8b319e9286f9d85cc67_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-30_56c858e56366b8b319e9286f9d85cc67_bkransomware
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Size
6.7MB
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MD5
56c858e56366b8b319e9286f9d85cc67
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SHA1
07a38e5d93dbde39def95717d196d2f458a1d579
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SHA256
2c9d3441537483476392d4782e54bf815302b507995da0b35e3576cd6dee2762
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SHA512
c5ae81fa03660d30fe818ec08662d28d7cb0a960237ff29acc7c0bba1320e84a3d25335bfc871f6f7be8c6420d6013af50dcd36ac8717821ed3faac20e6b6635
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SSDEEP
196608:4uEqCNm+QNaNjqc5rCIi/ruaHh0UXLW73r5h:4hMNaZrCj/ru6Far5
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-30_56c858e56366b8b319e9286f9d85cc67_bkransomware
Files
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2024-09-30_56c858e56366b8b319e9286f9d85cc67_bkransomware.exe windows:6 windows x86 arch:x86
21951901d6184d4ac7a501a2b0ec3293
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
LCMapStringW
UnregisterWaitEx
QueryDepthSList
InterlockedFlushSList
InterlockedPushEntrySList
InterlockedPopEntrySList
InitializeSListHead
ReleaseSemaphore
VirtualProtect
VirtualFree
GetVersionExW
GetModuleHandleA
FreeLibraryAndExitThread
FreeLibrary
GetThreadTimes
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCurrentProcessId
QueryPerformanceCounter
WriteFile
GetModuleFileNameW
GetFileType
GetStdHandle
GetCPInfo
GetOEMCP
GetACP
IsDebuggerPresent
GetProcessHeap
HeapAlloc
HeapSize
WideCharToMultiByte
MultiByteToWideChar
GetModuleHandleExW
ExitProcess
UnregisterWait
RegisterWaitForSingleObject
SetThreadAffinityMask
GetProcessAffinityMask
GetNumaHighestNodeNumber
DeleteTimerQueueTimer
ChangeTimerQueueTimer
CreateTimerQueueTimer
GetLogicalProcessorInformation
SwitchToThread
SignalObjectAndWait
WaitForSingleObjectEx
SetEvent
CreateTimerQueue
HeapFree
LoadLibraryExW
ExitThread
CreateThread
CreateSemaphoreW
GetProcAddress
GetModuleHandleW
GetTickCount
GetStringTypeW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
LoadLibraryW
SetStdHandle
WriteConsoleW
ResumeThread
SuspendThread
GetWindowsDirectoryW
GetThreadPriority
EnumResourceTypesW
GetSystemInfo
GetPrivateProfileIntW
lstrcpynW
FormatMessageW
SizeofResource
Sleep
GetPrivateProfileStringW
CreateDirectoryW
SetErrorMode
GetSystemDefaultUILanguage
SetFilePointer
GetFullPathNameW
GetFileSize
EncodePointer
lstrcpyW
DeleteFileW
GetVersion
VirtualAlloc
GetLastError
SetThreadPriority
GetExitCodeProcess
HeapDestroy
ReadProcessMemory
GetUserDefaultLCID
SystemTimeToFileTime
LoadResource
GetDriveTypeW
FindFirstFileW
IsValidCodePage
GetStartupInfoW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
TerminateProcess
CreateEventW
InitializeCriticalSectionAndSpinCount
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsProcessorFeaturePresent
RtlUnwind
RaiseException
CloseHandle
DuplicateHandle
WaitForSingleObject
GetCurrentProcess
GetCurrentThread
GetCurrentThreadId
GetExitCodeThread
GetSystemTimeAsFileTime
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
DecodePointer
HeapReAlloc
GetCommandLineW
CreateFileW
user32
UpdateWindow
EndPaint
SetCursor
GetDlgItemInt
SetWindowRgn
SetTimer
GetMessageW
CharNextW
TrackPopupMenu
IsIconic
KillTimer
MsgWaitForMultipleObjects
DeleteMenu
AttachThreadInput
GetMenuStringW
DrawTextExW
ModifyMenuW
ShowCursor
GetKeyboardState
SetDlgItemInt
SetWindowLongA
MessageBoxA
LoadMenuW
UnregisterClassA
GetWindowLongA
ReleaseDC
DestroyCaret
CheckDlgButton
ShowWindow
RemoveMenu
CreateWindowExW
CheckRadioButton
SystemParametersInfoA
GetWindow
SetWindowTextA
GetDlgItemTextW
SetDlgItemTextW
MapWindowPoints
ReleaseCapture
LoadCursorA
GetDlgItemTextA
SetMenuItemInfoW
SetScrollInfo
RegisterClassA
GetWindowPlacement
InvalidateRect
GetMessageA
HideCaret
MapDialogRect
SetKeyboardState
GetKeyState
LoadIconA
RemovePropA
GetWindowTextLengthA
GetMenuItemInfoW
BeginPaint
GetDC
GetMenu
GetKeyboardLayout
SetRect
UnionRect
GetWindowLongW
GetClassNameW
SetClassLongA
DefWindowProcA
SendDlgItemMessageW
GetDesktopWindow
IsDlgButtonChecked
AppendMenuA
GetMenuItemCount
IsWindow
FlashWindow
RegisterClassW
GetSystemMetrics
SendMessageW
EnableWindow
DialogBoxParamA
SetWindowTextW
gdi32
TranslateCharsetInfo
GetCharacterPlacementW
DeleteDC
ExcludeClipRect
GetCurrentPositionEx
SetPaletteEntries
GetTextExtentExPointA
GetSystemPaletteEntries
RectVisible
SetTextAlign
CreateDIBitmap
GetStockObject
PatBlt
CreatePalette
GetWindowOrgEx
GetTextExtentPoint32A
MaskBlt
CreateFontIndirectW
CreateFontA
SetDIBColorTable
CopyEnhMetaFileA
GdiFlush
SetPixel
CreatePenIndirect
CreateCompatibleBitmap
GetObjectType
SelectPalette
CreatePen
GetPixel
UpdateColors
TextOutA
SelectObject
advapi32
RegUnLoadKeyW
GetUserNameA
ChangeServiceConfigW
QueryServiceStatus
InitializeSecurityDescriptor
OpenServiceW
CloseServiceHandle
GetLengthSid
RegSetValueExW
RegConnectRegistryW
OpenSCManagerW
shell32
ExtractIconExW
ShellExecuteExW
ole32
CoInitialize
oleaut32
SafeArrayGetUBound
SafeArrayPtrOfIndex
VariantCopy
VariantClear
SysFreeString
VariantInit
SafeArrayGetLBound
SysReAllocStringLen
Sections
.text Size: 698KB - Virtual size: 698KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 6.0MB - Virtual size: 6.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.MSlrz Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 13KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ