2024-05-29_689781fa7a715d1d54ca34cdb7adbc59_bkransomware

Sharing

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General

Target

2024-05-29_689781fa7a715d1d54ca34cdb7adbc59_bkransomware
Size

26.5MB
MD5

689781fa7a715d1d54ca34cdb7adbc59
SHA1

d46d3f4ba39ac1ae60315b660201caee27d969d8
SHA256

77c0b9cf6323cc659bb5a080c226692fb46b12abce131ff666f48f1f9c3e3799
SHA512

69559cd1d2cdb0207da40852caf688e39a2a7b83570bcb99f786490afd2f0f6f6a58be4f41321af390eae8c68f079a1db035b2df6d35f4176a5239c456f43c84
SSDEEP

786432:l1sJWeg/gF1xw+l+IWieoy+rXeM6SvTSRo:l1Zeg/6wkTWieobrXeM6SLCo

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-29_689781fa7a715d1d54ca34cdb7adbc59_bkransomware

Files

2024-05-29_689781fa7a715d1d54ca34cdb7adbc59_bkransomware
.exe windows:5 windows x86 arch:x86

222f043487cadec77d1f8942dd7f914a

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

PDB Paths

D:\vhrlnf\Release\tfoqtsr.pdb

Imports

kernel32

GetStdHandle
GetStartupInfoW
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
CreateSemaphoreW
IsValidCodePage
GetOEMCP
GetCPInfo
CreateDirectoryW
GetConsoleCP
GetConsoleMode
SetFilePointerEx
ReadConsoleW
GetStringTypeW
GetTimeZoneInformation
OutputDebugStringW
IsValidLocale
EnumSystemLocalesW
WriteConsoleW
GetFileType
UnregisterWaitEx
QueryDepthSList
InterlockedFlushSList
InterlockedPushEntrySList
InterlockedPopEntrySList
InitializeSListHead
ReleaseSemaphore
VirtualFree
FreeLibraryAndExitThread
GetThreadTimes
UnregisterWait
RegisterWaitForSingleObject
SetThreadAffinityMask
GetProcessAffinityMask
GetNumaHighestNodeNumber
DeleteTimerQueueTimer
ChangeTimerQueueTimer
CreateTimerQueueTimer
GetLogicalProcessorInformation
GetThreadPriority
SwitchToThread
SignalObjectAndWait
WaitForSingleObjectEx
CreateTimerQueue
SetStdHandle
GetSystemTimeAsFileTime
VirtualAlloc
VirtualQuery
HeapQueryInformation
ExitThread
CreateThread
RtlUnwind
IsProcessorFeaturePresent
IsDebuggerPresent
AreFileApisANSI
GetModuleHandleExW
ExitProcess
GetUserDefaultLCID
FindResourceExW
GetWindowsDirectoryW
SearchPathW
GetProfileIntW
VirtualProtect
GetTempPathW
GetTempFileNameW
GetFileTime
GetFileSizeEx
GetFileAttributesExW
FileTimeToLocalFileTime
SetErrorMode
FileTimeToSystemTime
lstrcmpiW
GetCurrentProcess
DuplicateHandle
WriteFile
UnlockFile
SetFilePointer
SetEndOfFile
LockFile
GetVolumeInformationW
GetFullPathNameW
FlushFileBuffers
FindFirstFileW
FindClose
GlobalGetAtomNameW
GetFileSize
GetFileAttributesW
CreateFileW
VerifyVersionInfoW
VerSetConditionMask
GetThreadLocale
GlobalFlags
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
GetCurrentDirectoryW
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
CopyFileW
FormatMessageW
MulDiv
LocalFree
GlobalSize
GlobalUnlock
ResumeThread
SetThreadPriority
CreateEventW
SetEvent
GlobalFindAtomW
GlobalAddAtomW
GetSystemDirectoryW
EncodePointer
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
LoadLibraryW
LoadLibraryA
GetProcAddress
GetModuleHandleA
SetLastError
OutputDebugStringA
lstrcpyW
GlobalFree
FreeResource
lstrcmpW
lstrcmpA
GlobalDeleteAtom
GlobalLock
GlobalAlloc
LoadLibraryExW
FreeLibrary
GetCurrentThreadId
GetCurrentThread
ReadFile
CreateProcessW
CreatePipe
GetLocalTime
DecodePointer
HeapSize
RaiseException
InitializeCriticalSectionAndSpinCount
GetProcessHeap
HeapFree
HeapAlloc
HeapReAlloc
GetDriveTypeW
GetDiskFreeSpaceA
WaitForSingleObject
TerminateProcess
Process32NextW
Process32FirstW
CreateToolhelp32Snapshot
CloseHandle
OpenProcess
QueryDosDeviceW
GetLogicalDriveStringsW
GetModuleFileNameW
GetCurrentProcessId
GetEnvironmentVariableW
GetFileAttributesA
WideCharToMultiByte
LCMapStringW
MultiByteToWideChar
GetACP
GetVersionExW
GetSystemInfo
DeleteCriticalSection
GetCommandLineW
GetLastError
GetModuleHandleW
DeleteFileW
GetTickCount
FindResourceW
LoadResource
LockResource
SizeofResource
Sleep
LeaveCriticalSection
EnterCriticalSection
SetEnvironmentVariableA
InitializeCriticalSection

user32

KillTimer
SetTimer
RealChildWindowFromPoint
DeleteMenu
CopyImage
WindowFromPoint
ReleaseCapture
SetCapture
WaitMessage
SystemParametersInfoW
GetMenuItemInfoW
DestroyMenu
SendDlgItemMessageA
IsDialogMessageW
SetWindowTextW
CheckDlgButton
MoveWindow
ShowWindow
LoadMenuW
ClientToScreen
EndPaint
BeginPaint
ReleaseDC
GetWindowDC
TabbedTextOutW
GrayStringW
DrawTextExW
DrawTextW
RemoveMenu
InsertMenuW
GetMenuState
GetMenuStringW
GetDesktopWindow
GetNextDlgTabItem
EndDialog
CreateDialogIndirectParamW
GetWindowThreadProcessId
IsWindowEnabled
SetCursor
ShowOwnedPopups
GetActiveWindow
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
CallNextHookEx
UnhookWindowsHookEx
SetWindowsHookExW
GetLastActivePopup
GetTopWindow
GetClassNameW
GetClassLongW
SetWindowLongW
GetWindowLongW
EqualRect
CopyRect
ScreenToClient
AdjustWindowRectEx
GetWindowTextLengthW
GetWindowTextW
RemovePropW
GetPropW
SetPropW
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
CharNextW
SetForegroundWindow
GetForegroundWindow
SetActiveWindow
TrackPopupMenu
GetMenuItemCount
GetMenuItemID
GetSubMenu
SetMenu
GetMenu
GetCapture
GetKeyState
SetFocus
GetDlgCtrlID
GetDlgItem
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
IsChild
IsWindow
GetClassInfoExW
GetClassInfoW
RegisterClassW
CallWindowProcW
GetMessageTime
GetMessagePos
PeekMessageW
DrawIconEx
IsRectEmpty
OffsetRect
InflateRect
CopyAcceleratorTableW
InvalidateRgn
SetRect
SendMessageW
EnableWindow
LoadIconW
InvalidateRect
UpdateWindow
FillRect
DrawFocusRect
GetSysColorBrush
GetSysColor
MapWindowPoints
RedrawWindow
DrawStateW
GetFocus
IsWindowVisible
DrawFrameControl
DrawEdge
RegisterWindowMessageW
MapDialogRect
GetWindow
GetParent
IntersectRect
GetNextDlgGroupItem
MessageBeep
SetLayeredWindowAttributes
SetRectEmpty
EnumDisplayMonitors
SetParent
MonitorFromPoint
OpenClipboard
CloseClipboard
SetClipboardData
EmptyClipboard
DestroyIcon
LoadImageW
TrackMouseEvent
IsZoomed
SetWindowContextHelpId
SetWindowPos
CharUpperW
GetAsyncKeyState
BringWindowToTop
NotifyWinEvent
SetCursorPos
MessageBoxW
GetCursorPos
CreatePopupMenu
AppendMenuW
GetDC
GetSystemMenu
IsIconic
GetSystemMetrics
GetClientRect
DrawIcon
GetWindowRect
LoadBitmapW
SetWindowRgn
PtInRect
FindWindowW
FindWindowExW
PostMessageW
DefWindowProcW
LoadCursorW
RegisterClassExW
GetMessageW
TranslateMessage
DispatchMessageW
DestroyWindow
CreateWindowExW
UnregisterClassW
PostQuitMessage
GetWindowRgn
UnionRect
CreateMenu
InvertRect
HideCaret
GetComboBoxInfo
TranslateMDISysAccel
DefMDIChildProcW
DefFrameProcW
DrawMenuBar
MapVirtualKeyExW
IsCharLowerW
PostThreadMessageW
IsClipboardFormatAvailable
FrameRect
CharUpperBuffW
SubtractRect
GetKeyNameTextW
CreateAcceleratorTableW
MapVirtualKeyW
GetKeyboardState
GetKeyboardLayout
ToUnicodeEx
RegisterClipboardFormatW
ReuseDDElParam
UnpackDDElParam
InsertMenuItemW
TranslateAcceleratorW
LoadAcceleratorsW
UpdateLayeredWindow
GetUpdateRect
SetClassLongW
DestroyAcceleratorTable
ModifyMenuW
IsMenu
SetMenuDefaultItem
GetMenuDefaultItem
CopyIcon
GetIconInfo
GetDoubleClickTime
EnableScrollBar
LockWindowUpdate
ValidateRect
DestroyCursor

gdi32

ExtTextOutW
CreatePolygonRgn
Polygon
Polyline
GetTextMetricsW
SetBkColor
SetTextColor
CreateBitmap
DeleteObject
CopyMetaFileW
CreateDCW
GetDeviceCaps
BitBlt
CreatePen
CreatePatternBrush
Escape
ExcludeClipRect
GetClipBox
GetObjectType
GetViewportExtEx
GetWindowExtEx
IntersectClipRect
LineTo
PtVisible
RectVisible
RestoreDC
SaveDC
SelectClipRgn
ExtSelectClipRgn
SelectObject
SelectPalette
SetBkMode
SetMapMode
SetLayout
GetLayout
SetPolyFillMode
SetROP2
SetTextAlign
MoveToEx
TextOutW
PatBlt
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
CreateFontIndirectW
GetRgnBox
GetMapMode
SetRectRgn
DPtoLP
CreateCompatibleBitmap
CreateDIBitmap
EnumFontFamiliesW
GetTextCharsetInfo
RealizePalette
SetPixel
CreateDIBSection
SetDIBColorTable
CreateRoundRectRgn
Rectangle
OffsetRgn
RoundRect
CreatePalette
GetPaletteEntries
GetNearestPaletteIndex
GetSystemPaletteEntries
EnumFontFamiliesExW
ExtFloodFill
SetPaletteEntries
FillRgn
FrameRgn
GetBoundsRect
PtInRegion
GetViewportOrgEx
LPtoDP
GetWindowOrgEx
SetPixelV
GetTextFaceW
GetTextExtentPoint32W
GetTextColor
GetBkColor
Ellipse
CreateSolidBrush
CreateRectRgnIndirect
CreateHatchBrush
CreateEllipticRgn
DeleteDC
GetStockObject
CreateFontW
CombineRgn
GetPixel
CreateRectRgn
StretchBlt
CreateCompatibleDC
GetObjectW

msimg32

TransparentBlt
AlphaBlend

winspool.drv

ClosePrinter
DocumentPropertiesW
OpenPrinterW

advapi32

RegEnumKeyW
RegEnumKeyExW
RegEnumValueW
RegQueryValueW
RegCloseKey
RegSetValueExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegQueryValueExW
RegOpenKeyExW

shell32

Shell_NotifyIconW
SHChangeNotify
ShellExecuteExW
ShellExecuteW
DragFinish
DragQueryFileW
SHGetFileInfoW
SHAppBarMessage
SHGetDesktopFolder
SHBrowseForFolderW
SHGetMalloc
SHGetPathFromIDListW
SHGetSpecialFolderLocation

comctl32

InitCommonControlsEx

shlwapi

PathFindFileNameW
PathIsUNCW
PathStripToRootW
PathRemoveFileSpecW
StrFormatKBSizeW
PathFindExtensionW

uxtheme

GetThemeSysColor
IsThemeBackgroundPartiallyTransparent
GetThemePartSize
DrawThemeParentBackground
OpenThemeData
CloseThemeData
DrawThemeBackground
GetThemeColor
GetCurrentThemeName
IsAppThemed
DrawThemeText
GetWindowTheme

ole32

CoGetClassObject
StgCreateDocfileOnILockBytes
StgOpenStorageOnILockBytes
CreateILockBytesOnHGlobal
CreateStreamOnHGlobal
CoDisconnectObject
CoFreeUnusedLibraries
OleInitialize
OleUninitialize
OleFlushClipboard
OleIsCurrentClipboard
DoDragDrop
OleGetClipboard
CoLockObjectExternal
RegisterDragDrop
RevokeDragDrop
OleLockRunning
CoInitializeEx
CoRevokeClassObject
CoRegisterMessageFilter
OleCreateMenuDescriptor
OleDestroyMenuDescriptor
OleTranslateAccelerator
IsAccelerator
ReleaseStgMedium
OleDuplicateData
CoTaskMemAlloc
CLSIDFromProgID
CLSIDFromString
CoUninitialize
CoTaskMemFree
CoCreateInstance
CoCreateGuid
CoInitialize

oleaut32

OleCreateFontIndirect
SysStringLen
SystemTimeToVariantTime
VariantTimeToSystemTime
SafeArrayDestroy
LoadTypeLi
VariantCopy
VarBstrFromDate
VariantChangeType
VariantClear
VariantInit
SysAllocStringLen
SysFreeString
SysAllocString

oledlg

OleUIBusyW

gdiplus

GdipDrawImageRectI
GdipSetInterpolationMode
GdipCreateFromHDC
GdipCreateBitmapFromHBITMAP
GdipDrawImageI
GdipDeleteGraphics
GdipBitmapUnlockBits
GdipBitmapLockBits
GdipCreateBitmapFromScan0
GdipCreateBitmapFromStream
GdipGetImagePaletteSize
GdiplusShutdown
GdipAlloc
GdipFree
GdiplusStartup
GdipCloneImage
GdipDisposeImage
GdipGetImageGraphicsContext
GdipGetImageWidth
GdipGetImageHeight
GdipGetImagePixelFormat
GdipGetImagePalette

ws2_32

sendto
htonl
ntohl
recvfrom
WSAAsyncSelect
WSAIoctl
inet_ntoa
gethostbyname
send
inet_addr
connect
recv
accept
closesocket
listen
bind
htons
WSAStartup
setsockopt
WSAGetLastError
socket

wininet

InternetOpenUrlW
InternetOpenW
InternetReadFile

psapi

GetProcessImageFileNameW

oleacc

LresultFromObject
AccessibleObjectFromWindow
CreateStdAccessibleObject

imm32

ImmGetContext
ImmGetOpenStatus
ImmReleaseContext

winmm

PlaySoundW

Sections

.text
Size: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 396KB - Virtual size: 396KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 33KB - Virtual size: 74KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 24.2MB - Virtual size: 24.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 139KB - Virtual size: 139KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

222f043487cadec77d1f8942dd7f914a

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

uxtheme

ole32

oleaut32

oledlg

gdiplus

ws2_32

wininet

psapi

oleacc

imm32

winmm

Sections

.text Size: 1.8MB - Virtual size: 1.8MB

.rdata Size: 396KB - Virtual size: 396KB

.data Size: 33KB - Virtual size: 74KB

.rsrc Size: 24.2MB - Virtual size: 24.2MB

.reloc Size: 139KB - Virtual size: 139KB

.text
Size: 1.8MB - Virtual size: 1.8MB

.rdata
Size: 396KB - Virtual size: 396KB

.data
Size: 33KB - Virtual size: 74KB

.rsrc
Size: 24.2MB - Virtual size: 24.2MB

.reloc
Size: 139KB - Virtual size: 139KB