Static task
static1
Behavioral task
behavioral1
Sample
2024-06-30_1ae7b75b9691a7a41b360e1adb40b9ce_bkransomware.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-30_1ae7b75b9691a7a41b360e1adb40b9ce_bkransomware.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-30_1ae7b75b9691a7a41b360e1adb40b9ce_bkransomware
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Size
5.9MB
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MD5
1ae7b75b9691a7a41b360e1adb40b9ce
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SHA1
ae807393f24ceea56c149f714158cde0c8e00b9b
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SHA256
00d5578b1e784f31c5cd8157ef3831a5208272f38d2ecbfec78bddeda49f40db
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SHA512
5b13d6880c35e449ebb46b07f8b322c65983d47422f179d5541ce03ba647bda8592c16d173321f35f91871e1d98a8681e48ddf2078c2dbf4cda08f3575464fa2
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SSDEEP
98304:S4sJ48xztDYfXSsa4z+Y6oP741GfWZlfOrcX4RaFicWbhBPNqtziFCdrxYy2VQ2U:v82uG7AfOrc/ildeiFCpSy2PTEye
Malware Config
Signatures
Files
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2024-06-30_1ae7b75b9691a7a41b360e1adb40b9ce_bkransomware.exe windows:5 windows x86 arch:x86
d864c891b15698b24e9f60dfb03711f1
Code Sign
59:a8:f2:2a:c3:fa:d4:af:4d:0b:e9:49:e1:f4:f2:1dCertificate
IssuerCN=AweAPCPOptima,1.2.840.113549.1.9.1=#0c186469676974616c40617765617063706f7074696d612e7573Not Before08/11/2021, 00:00Not After08/11/2022, 23:59SubjectCN=AweAPCPOptima,1.2.840.113549.1.9.1=#0c186469676974616c40617765617063706f7074696d612e75730e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate
IssuerCN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before01/08/2022, 00:00Not After09/11/2031, 23:59SubjectCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate
IssuerCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before23/03/2022, 00:00Not After22/03/2037, 23:59SubjectCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9dCertificate
IssuerCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USNot Before29/03/2022, 00:00Not After14/03/2033, 23:59SubjectCN=DigiCert Timestamp 2022 - 2,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
Signer
Actual PE DigestDigest AlgorithmPE Digest MatchesfalseHeaders
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
version
VerQueryValueA
psapi
GetModuleBaseNameW
GetProcessMemoryInfo
GetDeviceDriverBaseNameA
kernel32
ExitThread
ExitProcess
GetModuleHandleExW
AreFileApisANSI
HeapQueryInformation
GetSystemInfo
VirtualAlloc
VirtualQuery
GetSystemTimeAsFileTime
SetStdHandle
GetFileType
GetStdHandle
GetStartupInfoW
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetStringTypeW
GetTimeZoneInformation
GetDateFormatW
GetTimeFormatW
LCMapStringW
IsValidLocale
EnumSystemLocalesW
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleCP
OutputDebugStringW
WriteConsoleW
SetEnvironmentVariableA
LockResource
LoadResource
SizeofResource
GetCommandLineW
FindResourceW
TerminateThread
GetExitCodeThread
ResumeThread
CreateThread
MultiByteToWideChar
SetLastError
ReadFile
lstrcpyA
GetProcAddress
WideCharToMultiByte
FreeLibrary
LoadLibraryW
GetModuleHandleW
GetTickCount
DecodeSystemPointer
GetLongPathNameTransactedA
GetErrorMode
WaitForMultipleObjects
LockFile
GetFileInformationByHandle
CreateFileMappingW
LoadLibraryExW
Wow64EnableWow64FsRedirection
GetDiskFreeSpaceA
DefineDosDeviceW
CheckNameLegalDOS8Dot3W
CreateBoundaryDescriptorA
GetCurrentActCtx
CompareStringA
EnumSystemGeoID
FoldStringW
EnumDateFormatsExEx
GlobalAlloc
HeapFree
GetProcessHeap
GetLastError
FindResourceExW
GetUserDefaultLCID
VirtualProtect
GetProfileIntW
GetTempPathW
GetTempFileNameW
VerifyVersionInfoW
VerSetConditionMask
GetWindowsDirectoryW
lstrcpyW
SetErrorMode
EnterCriticalSection
RtlUnwind
IsProcessorFeaturePresent
Sleep
IsDebuggerPresent
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
GetFileTime
GetFileSizeEx
GetFileAttributesExW
GetFileAttributesW
FileTimeToLocalFileTime
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
GlobalFlags
FileTimeToSystemTime
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSection
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
GetVersionExW
GetCurrentThread
GlobalGetAtomNameW
lstrcmpA
lstrcmpiW
GetCurrentProcess
DuplicateHandle
WriteFile
UnlockFile
SetEndOfFile
GetVolumeInformationW
GetFullPathNameW
GetFileSize
FlushFileBuffers
FindFirstFileW
FindClose
DeleteFileW
CreateFileW
CreateSemaphoreW
CreateMutexW
ReleaseMutex
ReleaseSemaphore
GetThreadLocale
SuspendThread
SetThreadPriority
CreateEventW
WaitForSingleObject
SetEvent
CloseHandle
GetCurrentProcessId
GlobalFindAtomW
GlobalAddAtomW
LoadLibraryA
lstrcmpW
GlobalDeleteAtom
GetModuleHandleA
GetModuleFileNameW
GetSystemDirectoryW
GetCurrentThreadId
EncodePointer
OutputDebugStringA
CopyFileW
FormatMessageW
FreeResource
MulDiv
LocalFree
GlobalFree
GlobalSize
GetCurrentDirectoryW
RaiseException
HeapSize
HeapReAlloc
HeapAlloc
DecodePointer
SearchPathW
SetFilePointer
GlobalUnlock
GlobalLock
user32
GetWindowRgn
DrawIcon
GetSystemMenu
IsZoomed
GetComboBoxInfo
ReuseDDElParam
UnpackDDElParam
InsertMenuItemW
TranslateAcceleratorW
LoadAcceleratorsW
BringWindowToTop
MonitorFromPoint
UpdateLayeredWindow
IsMenu
UnionRect
SetWindowRgn
DrawFrameControl
DrawEdge
EmptyClipboard
SetClipboardData
CloseClipboard
OpenClipboard
EnumDisplayMonitors
GetMenuDefaultItem
NotifyWinEvent
InvertRect
HideCaret
EnableScrollBar
GetAsyncKeyState
SetRectEmpty
DrawFocusRect
MessageBeep
GetNextDlgGroupItem
PostThreadMessageW
IsIconic
KillTimer
SetTimer
DeleteMenu
IsRectEmpty
InvalidateRgn
CopyAcceleratorTableW
CopyImage
SystemParametersInfoW
GetMenuItemInfoW
DestroyMenu
RealChildWindowFromPoint
GetSysColorBrush
MapDialogRect
SetWindowContextHelpId
RegisterClipboardFormatW
ShowOwnedPopups
PostQuitMessage
CharUpperW
MapVirtualKeyW
GetKeyNameTextW
IntersectRect
CharNextW
TranslateMessage
GetMessageW
LoadMenuW
GetWindowThreadProcessId
GetNextDlgTabItem
EndDialog
CreateDialogIndirectParamW
IsDialogMessageW
SetWindowTextW
IsWindowEnabled
CheckDlgButton
MoveWindow
ShowWindow
CreateMenu
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
LoadIconW
CallNextHookEx
UnhookWindowsHookEx
SetWindowsHookExW
GetLastActivePopup
GetTopWindow
GetClassNameW
GetClassLongW
SetWindowLongW
GetWindowLongW
EqualRect
AdjustWindowRectEx
GetClientRect
GetWindowTextLengthW
GetWindowTextW
RemovePropW
MapVirtualKeyExW
SetPropW
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
RedrawWindow
ValidateRect
GetForegroundWindow
SetActiveWindow
UpdateWindow
SetMenu
GetMenu
GetKeyState
SetFocus
GetDlgCtrlID
GetDlgItem
EndDeferWindowPos
DeferWindowPos
SetWindowPlacement
GetWindowPlacement
DestroyWindow
IsChild
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
CallWindowProcW
DefWindowProcW
PostMessageW
GetMessageTime
PeekMessageW
DispatchMessageW
RegisterWindowMessageW
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
GetFocus
GetParent
SendDlgItemMessageA
EndPaint
BeginPaint
ReleaseDC
GetWindowDC
GetDC
TabbedTextOutW
GrayStringW
DrawTextExW
DrawTextW
RemoveMenu
AppendMenuW
InsertMenuW
GetMenuItemCount
GetMenuItemID
GetSubMenu
GetMenuState
GetMenuStringW
UnregisterClassW
LoadCursorW
SetForegroundWindow
SubtractRect
GetUpdateRect
IsClipboardFormatAvailable
TranslateMDISysAccel
DefMDIChildProcW
DefFrameProcW
DrawMenuBar
FrameRect
CharUpperBuffW
ModifyMenuW
SetMenuDefaultItem
CopyIcon
GetDoubleClickTime
SetClassLongW
LockWindowUpdate
SetParent
SetCursorPos
DestroyAcceleratorTable
CreateAcceleratorTableW
GetKeyboardState
GetMonitorInfoW
ToUnicodeEx
TrackPopupMenu
CreatePopupMenu
SetWindowPos
SetLayeredWindowAttributes
AdjustWindowRect
GetDesktopWindow
GetWindow
BeginDeferWindowPos
DrawIconEx
PtInRect
SetRect
MapWindowPoints
ScreenToClient
GetCursorPos
GetSystemMetrics
IsWindow
GetMessagePos
GetIconInfo
LoadImageW
DestroyIcon
DestroyCursor
LoadBitmapW
OffsetRect
InflateRect
CopyRect
GetSysColor
WindowFromPoint
ClientToScreen
SetCursor
DrawStateW
ReleaseCapture
SetCapture
GetCapture
GetActiveWindow
SendMessageW
MessageBoxW
IsWindowVisible
FillRect
GetWindowRect
InvalidateRect
EnableWindow
IsCharLowerW
GetKeyboardLayout
GetPropW
WaitMessage
TrackMouseEvent
gdi32
CreateRectRgn
CreateSolidBrush
Escape
ExcludeClipRect
GetClipBox
GetObjectType
GetPixel
GetStockObject
GetViewportExtEx
GetWindowExtEx
IntersectClipRect
LineTo
PtVisible
RectVisible
RestoreDC
SaveDC
SelectClipRgn
ExtSelectClipRgn
SelectPalette
SetBkColor
SetBkMode
SetMapMode
SetLayout
GetLayout
SetPolyFillMode
SetROP2
SetTextColor
SetTextAlign
MoveToEx
TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
GetBkColor
CreatePatternBrush
CombineRgn
CreateRectRgnIndirect
GetMapMode
PatBlt
SetRectRgn
DPtoLP
GetTextExtentPoint32W
GetTextMetricsW
GetRgnBox
CreatePalette
GetNearestPaletteIndex
GetPaletteEntries
GetSystemPaletteEntries
RealizePalette
CreateDIBitmap
EnumFontFamiliesW
GetTextCharsetInfo
SetPixel
StretchBlt
CreateDIBSection
SetDIBColorTable
CreateEllipticRgn
Ellipse
CreatePolygonRgn
Polygon
Polyline
Rectangle
EnumFontFamiliesExW
OffsetRgn
CreateRoundRectRgn
RoundRect
FrameRgn
PtInRegion
SetPixelV
ExtFloodFill
SetPaletteEntries
FillRgn
GetBoundsRect
GetWindowOrgEx
LPtoDP
GetViewportOrgEx
GetTextFaceW
CreatePen
CreateHatchBrush
CreateBitmap
GetDeviceCaps
CreateDCW
CopyMetaFileW
DeleteDC
GetObjectW
SelectObject
DeleteObject
CreateFontIndirectW
CreateCompatibleDC
GetTextColor
BitBlt
CreateCompatibleBitmap
msimg32
AlphaBlend
TransparentBlt
winspool.drv
DocumentPropertiesW
OpenPrinterW
ClosePrinter
advapi32
RegEnumKeyExW
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegSetValueExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
shell32
SHAppBarMessage
ShellExecuteW
SHGetPathFromIDListW
SHGetSpecialFolderLocation
SHGetDesktopFolder
DragQueryFileW
DragFinish
SHGetFileInfoW
SHBrowseForFolderW
shlwapi
PathFindFileNameA
PathFindOnPathA
PathMatchSpecA
PathIsUNCW
PathStripToRootW
PathFindExtensionW
PathFindFileNameW
StrFormatKBSizeW
PathRemoveFileSpecW
uxtheme
GetThemePartSize
GetWindowTheme
GetThemeSysColor
IsThemeBackgroundPartiallyTransparent
IsAppThemed
GetCurrentThemeName
GetThemeColor
DrawThemeBackground
CloseThemeData
OpenThemeData
DrawThemeParentBackground
DrawThemeText
ole32
OleCreateMenuDescriptor
OleLockRunning
DoDragDrop
CreateStreamOnHGlobal
CoInitializeEx
CoRegisterMessageFilter
OleIsCurrentClipboard
OleFlushClipboard
CoRevokeClassObject
CreateILockBytesOnHGlobal
StgOpenStorageOnILockBytes
StgCreateDocfileOnILockBytes
CoGetClassObject
CoDisconnectObject
CLSIDFromProgID
OleDestroyMenuDescriptor
OleUninitialize
OleInitialize
CoFreeUnusedLibraries
CoInitialize
CoCreateInstance
CoCreateGuid
CoUninitialize
ReleaseStgMedium
OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc
RevokeDragDrop
OleTranslateAccelerator
IsAccelerator
OleGetClipboard
CLSIDFromString
RegisterDragDrop
CoLockObjectExternal
oleaut32
VariantInit
SysFreeString
VariantChangeType
OleCreateFontIndirect
SysAllocString
LoadTypeLi
SysAllocStringLen
VariantClear
SysStringLen
VarBstrFromDate
VariantCopy
VariantTimeToSystemTime
SystemTimeToVariantTime
VarR8FromDec
VarCyInt
SafeArrayDestroy
VarDecFix
oledlg
OleUIInsertObjectW
OleUIBusyW
oleacc
LresultFromObject
CreateStdAccessibleObject
AccessibleObjectFromWindow
gdiplus
GdipSetInterpolationMode
GdipCreateFromHDC
GdipCreateBitmapFromHBITMAP
GdipDrawImageI
GdipDeleteGraphics
GdipBitmapUnlockBits
GdipBitmapLockBits
GdipCreateBitmapFromScan0
GdipCreateBitmapFromStream
GdipGetImagePaletteSize
GdipGetImagePalette
GdipGetImagePixelFormat
GdipGetImageHeight
GdipGetImageWidth
GdipGetImageGraphicsContext
GdipDisposeImage
GdipCloneImage
GdiplusStartup
GdipFree
GdipAlloc
GdiplusShutdown
GdipDrawImageRectI
imm32
ImmReleaseContext
ImmGetContext
ImmGetOpenStatus
winmm
PlaySoundW
Sections
.text Size: 2.6MB - Virtual size: 2.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 469KB - Virtual size: 469KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 27KB - Virtual size: 125KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2.7MB - Virtual size: 2.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 162KB - Virtual size: 162KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ