2024-09-12_b4369dea53fdf66d517a76f7d4f015fb_bkransomware

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General

Target

2024-09-12_b4369dea53fdf66d517a76f7d4f015fb_bkransomware
Size

7.1MB
MD5

b4369dea53fdf66d517a76f7d4f015fb
SHA1

b652dbea07af4ae564ca879f1172724dbe761495
SHA256

580b0d0dfd8b9299e2ccb8b2277a0e9dd0d34ee15e2efad6e554dda42f59b422
SHA512

fe75dee70d0e581800cfce2642b58416516101291f1c37cb27c5f698a6891fc7ca173047158c9ab9c78cd09ed9ba370d4bc84a1f86e1f3e60c64c45a9b5bdec4
SSDEEP

98304:+icxayr37jq6Cu2PEhexFFp09o3IMheY0rDWN5XSeDE33U6PC:/ap37wPEoMpMafW3XSem3UYC

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-09-12_b4369dea53fdf66d517a76f7d4f015fb_bkransomware

Files

2024-09-12_b4369dea53fdf66d517a76f7d4f015fb_bkransomware
.exe windows:5 windows x86 arch:x86

befbbb20c16d059efbc408737062ea49

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

GetFileAttributesW
GetFileAttributesExW
GetFileSizeEx
GetFileTime
SetFileAttributesW
GetCommandLineW
RtlUnwind
ExitProcess
GetModuleHandleExW
AreFileApisANSI
ExitThread
IsDebuggerPresent
IsProcessorFeaturePresent
HeapQueryInformation
GetStdHandle
GetFileType
GetStartupInfoW
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
Sleep
TerminateProcess
GetTickCount
IsValidCodePage
GetOEMCP
GetCPInfo
GetTimeZoneInformation
OutputDebugStringW
GetDateFormatW
GetTimeFormatW
LCMapStringW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetConsoleCP
GetConsoleMode
SetFilePointerEx
GetStringTypeW
SetStdHandle
WriteConsoleW
ReadConsoleW
SetEnvironmentVariableA
GetSystemDefaultLangID
GetTempFileNameW
CreateFileA
MapViewOfFile
UnmapViewOfFile
GetDriveTypeW
GetLogicalDrives
GetSystemDefaultLCID
GetCurrentProcess
GetSystemDirectoryA
GetTempPathW
CreateFileMappingW
QueryDosDeviceW
GetSystemInfo
GetTempPathA
FileTimeToLocalFileTime
MoveFileExW
GetLogicalDriveStringsW
OpenProcess
Process32FirstW
GetProcessId
Process32NextW
CreateToolhelp32Snapshot
GetLocalTime
OpenFile
SystemTimeToTzSpecificLocalTime
CreateDirectoryW
GetDriveTypeA
GetFileAttributesA
FindFirstFileA
RemoveDirectoryW
FindNextFileW
FindVolumeClose
SetVolumeMountPointW
GetVolumeInformationA
DeleteVolumeMountPointW
FindNextVolumeW
GetVolumePathNamesForVolumeNameW
DefineDosDeviceW
SetVolumeLabelW
DeviceIoControl
GetDiskFreeSpaceExA
GetDiskFreeSpaceExW
FindFirstVolumeW
GetVolumeNameForVolumeMountPointW
lstrcpynW
lstrlenW
lstrcatW
TryEnterCriticalSection
InterlockedCompareExchange
InterlockedExchange
PeekNamedPipe
GetExitCodeProcess
CreatePipe
InterlockedDecrement
WaitForMultipleObjects
GetExitCodeThread
CopyFileExW
GetPrivateProfileSectionW
GetPrivateProfileSectionNamesW
GlobalMemoryStatusEx
GetFullPathNameA
GetFileInformationByHandle
FindFirstFileExW
SystemTimeToFileTime
SetErrorMode
FileTimeToSystemTime
lstrcmpiW
FindResourceA
DuplicateHandle
WriteFile
UnlockFile
SetFilePointer
SetEndOfFile
ReadFile
LockFile
GetVolumeInformationW
GetFullPathNameW
GetFileSize
FlushFileBuffers
FindFirstFileW
FindClose
CreateFileW
DeleteFileW
GlobalFlags
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
GetCurrentDirectoryW
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSection
CopyFileW
FormatMessageW
MulDiv
LocalFree
GlobalSize
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
CreateEventW
SetEvent
GlobalFree
GlobalUnlock
GlobalFindAtomW
GlobalAddAtomW
LoadLibraryA
FreeResource
GetSystemDirectoryW
LeaveCriticalSection
EnterCriticalSection
EncodePointer
FindResourceW
lstrcmpW
lstrcmpA
GlobalDeleteAtom
GlobalLock
GlobalAlloc
SizeofResource
LockResource
LoadResource
LoadLibraryExW
FreeLibrary
GetVersionExW
GetCurrentThreadId
GetCurrentThread
LoadLibraryW
GetProcAddress
GetModuleHandleA
GetModuleFileNameW
SetLastError
OutputDebugStringA
GetACP
WideCharToMultiByte
MultiByteToWideChar
lstrcpyA
CreateMutexW
HeapCompact
FlushViewOfFile
WaitForSingleObjectEx
UnlockFileEx
FormatMessageA
HeapCreate
HeapValidate
LockFileEx
GetDiskFreeSpaceW
CreateFileMappingA
GetDiskFreeSpaceA
GetVersionExA
GetSystemTime
DeleteFileA
SetDllDirectoryW
GetThreadTimes
InitializeSListHead
CreateThread
WaitForSingleObject
CloseHandle
CreateProcessW
GetCurrentProcessId
GetModuleHandleW
DeleteCriticalSection
DecodePointer
HeapSize
GetLastError
RaiseException
HeapDestroy
InitializeCriticalSectionAndSpinCount
GetProcessHeap
HeapReAlloc
HeapFree
HeapAlloc
GetSystemPowerStatus

user32

SetRect
OffsetRect
PtInRect
EqualRect
CopyRect
GetSysColor
MapWindowPoints
ScreenToClient
AdjustWindowRectEx
GetWindowRect
GetClientRect
GetWindowTextW
RemovePropW
GetPropW
RedrawWindow
ValidateRect
SetForegroundWindow
GetForegroundWindow
SetActiveWindow
UpdateWindow
GetMenuItemCount
GetMenuItemID
GetSubMenu
SetMenu
GetMenu
GetCapture
GetKeyState
GetFocus
SetFocus
GetDlgCtrlID
GetDlgItem
WinHelpW
MonitorFromWindow
GetMonitorInfoW
CreateDialogIndirectParamW
EndDialog
GetNextDlgTabItem
GetActiveWindow
IsWindowEnabled
GetDesktopWindow
CheckMenuItem
EnableMenuItem
SetMenuItemBitmaps
GetMenuCheckMarkDimensions
SetMenuItemInfoW
LoadBitmapW
GetMessageW
TranslateMessage
GetCursorPos
SetCursor
BeginPaint
ShowWindow
KillTimer
SetTimer
PostMessageW
SetPropW
GetParent
EnableWindow
GetWindowThreadProcessId
MessageBoxW
LoadIconW
GetClassInfoW
UnregisterClassW
GetWindowLongW
SetWindowLongW
CreateDesktopW
CloseDesktop
GetClassLongW
IntersectRect
UnionRect
EnumDisplaySettingsW
SetClipboardData
OpenClipboard
UpdateLayeredWindow
GetCaretPos
SetWindowRgn
IsZoomed
CloseWindow
SetCaretPos
HideCaret
CreateCaret
DestroyCaret
GetWindowRgn
RegisterClassExW
GetClassNameA
SendMessageA
wsprintfW
EnumChildWindows
CloseClipboard
ChangeDisplaySettingsW
IsWindowVisible
GetClassNameW
GetTopWindow
GetLastActivePopup
GetWindow
SetWindowsHookExW
CallNextHookEx
MoveWindow
SetWindowTextW
IsDialogMessageW
SetCapture
ReleaseCapture
ClientToScreen
WindowFromPoint
LoadCursorW
SystemParametersInfoW
RealChildWindowFromPoint
InvalidateRect
DrawTextW
DrawTextExW
GrayStringW
TabbedTextOutW
GetDC
GetWindowDC
EmptyClipboard
GetClipboardData
GetAsyncKeyState
ReleaseDC
EnumWindows
ExitWindowsEx
EndPaint
GetSystemMetrics
DestroyMenu
SendDlgItemMessageA
PostQuitMessage
UnhookWindowsHookEx
RegisterWindowMessageW
DispatchMessageW
PeekMessageW
GetMessagePos
GetMessageTime
DefWindowProcW
CallWindowProcW
RegisterClassW
GetClassInfoExW
GetSysColorBrush
IsIconic
DestroyIcon
CharUpperW
SendMessageW
GetWindowPlacement
SetWindowPos
DestroyWindow
CreateWindowExW
IsWindow

shell32

ShellExecuteExW
SHGetPathFromIDListW
SHBrowseForFolderW
DragAcceptFiles
ord165
SHChangeNotify
SHGetPathFromIDListA
SHGetMalloc
SHGetSpecialFolderLocation
SHGetSpecialFolderPathA
SHGetDesktopFolder
ShellExecuteW
DragQueryFileW
SHGetFileInfoW

shlwapi

PathStripToRootW
PathFileExistsW
PathIsRootW
PathIsDirectoryW
PathCanonicalizeW
PathIsRootA
PathFileExistsA
PathIsUNCW
PathRemoveFileSpecW
PathFindFileNameW
PathFindExtensionW

gdiplus

GdipAddPathLineI
GdipDeleteFont
GdipAddPathArcI
GdipDeleteFontFamily
GdipCreateFontFamilyFromName
GdipDrawLineI
GdipSetPenDashStyle
GdipCreatePath
GdipCreateStringFormat
GdipDeleteStringFormat
GdipFillPath
GdipDeleteBrush
GdipCreateSolidFill
GdipGetImageWidth
GdipGetImageHeight
GdipSetStringFormatAlign
GdipSetStringFormatLineAlign
GdipSetTextRenderingHint
GdipDrawString
GdipImageGetFrameDimensionsCount
GdipImageSelectActiveFrame
GdipLoadImageFromStream
GdipCreateHBITMAPFromBitmap
GdipCreateBitmapFromFile
GdipDeletePath
GdipDrawPath
GdipDeletePen
GdipCreatePen1
GdipResetClip
GdipSetClipPath
GdipAddPathRectangleI
GdipAddPathEllipseI
GdipResetPath
GdipDrawImageRectRect
GdipSetSmoothingMode
GdipDeleteGraphics
GdipCreateFromHDC
GdipDisposeImage
GdipCloneImage
GdipAlloc
GdipFree
GdiplusShutdown
GdiplusStartup
GdipImageGetFrameDimensionsList
GdipImageGetFrameCount
GdipGetPropertyItemSize
GdipGetPropertyItem
GdipClosePathFigure
GdipCreateFont

oleacc

CreateStdAccessibleObject
LresultFromObject

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

imagehlp

MakeSureDirectoryPathExists

winmm

timeKillEvent
timeSetEvent
timeGetDevCaps

gdi32

SetBkMode
EnumFontFamiliesExW
MoveToEx
TextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetMapMode
OffsetViewportOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
GetTextExtentPoint32W
CreateCompatibleBitmap
CreateFontW
GetDIBits
CreateDIBSection
PtInRegion
CreateRoundRectRgn
CreatePolygonRgn
FillRgn
SetPixel
GetBitmapBits
SetBitmapBits
SelectObject
SaveDC
RestoreDC
RectVisible
PtVisible
LineTo
GetStockObject
GetClipBox
Escape
DeleteDC
CreateSolidBrush
CreateRectRgn
CreatePen
CreateCompatibleDC
BitBlt
DeleteObject
GetDeviceCaps
GetObjectW
SetTextColor
ExtTextOutW
CreateBitmap
SetBkColor

winspool.drv

ClosePrinter
OpenPrinterW
DocumentPropertiesW

comdlg32

GetOpenFileNameW
GetSaveFileNameW

advapi32

GetSidIdentifierAuthority
LsaFreeMemory
RegQueryInfoKeyW
ControlService
UnlockServiceDatabase
ChangeServiceConfigW
QueryServiceStatus
StartServiceW
LockServiceDatabase
OpenServiceW
OpenSCManagerW
CloseServiceHandle
AdjustTokenPrivileges
LookupPrivilegeValueW
LookupAccountNameW
GetSidSubAuthorityCount
GetUserNameW
GetSidSubAuthority
OpenProcessToken
LsaRetrievePrivateData
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegSetValueExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
LsaNtStatusToWinError
ImpersonateLoggedOnUser
RevertToSelf
RegSetValueExA
RegQueryValueExA
RegOpenKeyExA
LsaOpenPolicy
LsaClose
LsaStorePrivateData

ole32

CoTaskMemFree
CoInitializeEx
CoInitialize
CoCreateInstance
CoCreateGuid
CoUninitialize
CreateStreamOnHGlobal
OleSetContainedObject
CoSetProxyBlanket
CoInitializeSecurity

oleaut32

VarDateFromStr
VariantTimeToSystemTime
VariantChangeType
VariantClear
VariantInit
SysAllocString
SysFreeString

msimg32

AlphaBlend

comctl32

_TrackMouseEvent

imm32

ImmGetContext
ImmDestroyContext
ImmSetCompositionWindow
ImmReleaseContext
ImmAssociateContext

ws2_32

ioctlsocket
connect
WSAStartup
inet_addr
select
htons
shutdown
socket
closesocket
send
gethostbyname
setsockopt
WSACleanup
recv
WSAGetLastError

iphlpapi

GetAdaptersInfo

wininet

InternetCanonicalizeUrlA
InternetCrackUrlA

wlanapi

WlanOpenHandle
WlanGetProfileList
WlanFreeMemory
WlanEnumInterfaces
WlanScan
WlanGetProfile
WlanReasonCodeToString
WlanCloseHandle
WlanSetProfile

rpcrt4

UuidFromStringW
RpcStringFreeW
UuidToStringW

rasapi32

RasEnumEntriesA
RasGetEntryPropertiesA
RasSetEntryPropertiesA
RasDeleteEntryA

setupapi

SetupDiGetDeviceRegistryPropertyW
SetupDiDestroyDeviceInfoList
SetupDiEnumDeviceInfo
SetupDiGetClassDevsW

crypt32

CryptUnprotectData
CryptStringToBinaryW

Sections

.text
Size: 3.4MB - Virtual size: 3.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 579KB - Virtual size: 578KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 196KB - Virtual size: 239KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.vmp0
Size: 508KB - Virtual size: 507KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 231KB - Virtual size: 231KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 28.3MB - Virtual size: 28.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

befbbb20c16d059efbc408737062ea49

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

shlwapi

gdiplus

oleacc

version

imagehlp

winmm

gdi32

winspool.drv

comdlg32

advapi32

ole32

oleaut32

msimg32

comctl32

imm32

ws2_32

iphlpapi

wininet

wlanapi

rpcrt4

rasapi32

setupapi

crypt32

Sections

.text Size: 3.4MB - Virtual size: 3.4MB

.rdata Size: 579KB - Virtual size: 578KB

.data Size: 196KB - Virtual size: 239KB

.vmp0 Size: 508KB - Virtual size: 507KB

.reloc Size: 231KB - Virtual size: 231KB

.rsrc Size: 28.3MB - Virtual size: 28.3MB

.text
Size: 3.4MB - Virtual size: 3.4MB

.rdata
Size: 579KB - Virtual size: 578KB

.data
Size: 196KB - Virtual size: 239KB

.vmp0
Size: 508KB - Virtual size: 507KB

.reloc
Size: 231KB - Virtual size: 231KB

.rsrc
Size: 28.3MB - Virtual size: 28.3MB