Static task
static1
Behavioral task
behavioral1
Sample
2024-09-07_383ba3a8fcd87d209bff0f84d48f7b7a_bkransomware.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-07_383ba3a8fcd87d209bff0f84d48f7b7a_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-07_383ba3a8fcd87d209bff0f84d48f7b7a_bkransomware
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Size
6.6MB
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MD5
383ba3a8fcd87d209bff0f84d48f7b7a
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SHA1
e50aa94095e209f4bd6deefde8966064606b255c
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SHA256
2f7df032902872de1f3370df0c0c6927f5aa3ce9e3c922792a4cb964e5db6639
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SHA512
8d7c443b5e205239946c9da5cc00166598b1312f0bd055eeb83940162eca8678f24c1e171a5df34c211fb2c0ad6644aeb4a4d93bada2343595dfa08698a29b95
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SSDEEP
196608:MAnwYVOf6XlfQBr3v43OLUGqgRdB9lUWpePkD:r58MlfyDv+O7BDxvp04
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-07_383ba3a8fcd87d209bff0f84d48f7b7a_bkransomware
Files
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2024-09-07_383ba3a8fcd87d209bff0f84d48f7b7a_bkransomware.exe windows:6 windows x86 arch:x86
1645dc6bcb6007a4429753a9e51ade6b
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
LoadLibraryW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
GetStringTypeW
LCMapStringW
UnregisterWaitEx
QueryDepthSList
InterlockedFlushSList
InterlockedPushEntrySList
InterlockedPopEntrySList
ReleaseSemaphore
VirtualProtect
VirtualFree
VirtualAlloc
GetVersionExW
FreeLibraryAndExitThread
FreeLibrary
OutputDebugStringW
FreeEnvironmentStringsW
WriteFile
GetModuleFileNameW
GetFileType
GetStdHandle
GetCPInfo
GetOEMCP
IsValidCodePage
SetStdHandle
GetProcessHeap
HeapAlloc
HeapSize
MultiByteToWideChar
ExitProcess
UnregisterWait
RegisterWaitForSingleObject
SetThreadAffinityMask
GetProcessAffinityMask
GetNumaHighestNodeNumber
DeleteTimerQueueTimer
ChangeTimerQueueTimer
CreateTimerQueueTimer
GetLogicalProcessorInformation
GetThreadPriority
SetThreadPriority
SwitchToThread
SignalObjectAndWait
SetEvent
CreateTimerQueue
ExitThread
CreateThread
CreateSemaphoreW
GetProcAddress
GetModuleHandleW
GetTickCount
GetStartupInfoW
TlsSetValue
TlsGetValue
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
WriteConsoleW
EnumSystemLocalesW
TlsFree
GetSystemTime
GetThreadTimes
GetCurrentProcessId
FindNextFileA
GetCommandLineW
CreatePipe
CreateFileMappingA
EnterCriticalSection
CreateNamedPipeA
FlushFileBuffers
GetACP
TerminateProcess
CreateProcessA
IsProcessorFeaturePresent
Sleep
InitializeCriticalSectionAndSpinCount
IsValidLocale
OpenProcess
GetCurrentThread
WaitForSingleObjectEx
GetModuleHandleExW
HeapFree
GetEnvironmentStringsW
LoadLibraryExW
SetEndOfFile
GetLocaleInfoA
CloseHandle
TlsAlloc
DeleteCriticalSection
GetModuleHandleA
CreateEventW
CompareStringW
GetSystemTimeAdjustment
WideCharToMultiByte
SetCommTimeouts
GetWindowsDirectoryA
WaitForSingleObject
QueryPerformanceCounter
SetEnvironmentVariableW
InitializeSListHead
GetCurrentProcess
SetDllDirectoryW
VirtualQuery
MapViewOfFile
GlobalMemoryStatus
GetEnvironmentVariableW
IsDebuggerPresent
RtlUnwind
RaiseException
DuplicateHandle
GetCurrentThreadId
GetExitCodeThread
GetSystemTimeAsFileTime
LeaveCriticalSection
EncodePointer
DecodePointer
GetLastError
HeapReAlloc
CreateFileW
user32
ToAsciiEx
ClientToScreen
SetWindowRgn
GetSystemMenu
HideCaret
GetWindowRect
CreateDialogParamA
GetMessageW
PostQuitMessage
IsZoomed
CreateIconIndirect
DrawFocusRect
GetKeyboardState
CreateDialogIndirectParamA
MessageBoxA
UnionRect
GetWindowLongA
SetClassLongA
ScrollWindow
DefWindowProcA
CheckDlgButton
ShowWindow
CreatePopupMenu
IsDlgButtonChecked
RemoveMenu
CreateWindowExW
ValidateRgn
SendMessageW
UpdateWindow
DestroyMenu
GetDlgItemTextA
CheckMenuItem
GetMessageTime
EndPaint
SetCursor
KillTimer
MsgWaitForMultipleObjects
DeleteMenu
SetParent
CreateMenu
SetFocus
GetWindowTextLengthA
DrawEdge
ShowCaret
WaitMessage
GetDC
GetQueueStatus
GetCapture
SetPropA
GetKeyboardLayout
SetRect
CheckMenuRadioItem
SetWindowLongA
InvalidateRect
UnregisterClassA
SetScrollPos
EndDialog
DestroyCaret
GetDesktopWindow
GetSysColor
PostMessageA
CheckRadioButton
SystemParametersInfoA
ReleaseCapture
ScrollWindowEx
BeginDeferWindowPos
InsertMenuA
EnableWindow
LoadCursorA
ValidateRect
IsRectEmpty
GetMessageA
gdi32
CreatePolygonRgn
SetWindowOrgEx
PolyPolygon
EndPage
Arc
SetTextColor
Polygon
GetRgnBox
CreatePalette
SelectClipRgn
Ellipse
StretchDIBits
GetCurrentPositionEx
GetNearestPaletteIndex
CreatePatternBrush
Polyline
SetTextAlign
CreateDIBitmap
CloseEnhMetaFile
CreateEnhMetaFileW
ExtCreatePen
GetTextExtentPoint32A
SetWindowExtEx
SetDIBColorTable
CopyEnhMetaFileA
CreateHalftonePalette
GetEnhMetaFileHeader
GetRegionData
GetBkColor
GetDIBColorTable
SetStretchBltMode
GetTextExtentPointA
GetCharABCWidthsFloatA
CreatePen
GetClipBox
SetROP2
GetStockObject
SetWinMetaFileBits
GetTextExtentExPointA
advapi32
RegDeleteValueA
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
CopySid
OpenProcessToken
RegCloseKey
GetUserNameA
SetSecurityDescriptorOwner
AllocateAndInitializeSid
LookupPrivilegeValueW
shell32
ShellExecuteExW
Sections
.text Size: 657KB - Virtual size: 657KB
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: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.eob 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