2024-05-24_a583ee8b0626d4f5c5ea3b28491c1535_bkransomware

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General

Target

2024-05-24_a583ee8b0626d4f5c5ea3b28491c1535_bkransomware
Size

878KB
MD5

a583ee8b0626d4f5c5ea3b28491c1535
SHA1

38e6eb1ff2e4d9fe6672d82c14431e63706511de
SHA256

9f57492d419bf5bb5c23525f0143dbb185190716a03e585f00b1ede88af68933
SHA512

c3f1edbf9f343ad90f2c492b463ba521f1dff9d5c71cc9021d6d2cb8e250423ad1e0eca9026016b2189ba05d991cac59c693706679400239e0645da187e684fc
SSDEEP

24576:e2G+PugT4yFQ/cnTNxNzGSrUwjLJdUHSp4zwxF:BXPuu4yO/cTpEHSp4zwxF

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-24_a583ee8b0626d4f5c5ea3b28491c1535_bkransomware

Files

2024-05-24_a583ee8b0626d4f5c5ea3b28491c1535_bkransomware
.exe windows:5 windows x86 arch:x86

101bdd6dba7c5f3d7ebddd895332dd49

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

wininet

InternetOpenW
InternetCanonicalizeUrlW
InternetCloseHandle
HttpOpenRequestW
HttpQueryInfoW
InternetSetOptionW
HttpSendRequestW
InternetConnectW
InternetReadFile

kernel32

GetVolumeInformationW
LockFile
SetEndOfFile
SetFilePointer
UnlockFile
DuplicateHandle
GetThreadLocale
FileTimeToSystemTime
FileTimeToLocalFileTime
GetFileAttributesExW
GetFileSizeEx
SetErrorMode
CreateThread
IsDebuggerPresent
IsProcessorFeaturePresent
RtlUnwind
GetSystemInfo
VirtualAlloc
VirtualQuery
GetModuleHandleExW
AreFileApisANSI
HeapQueryInformation
GetStdHandle
GetFileType
GetStartupInfoW
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
GetConsoleMode
ReadConsoleW
IsValidCodePage
GetOEMCP
GetCPInfo
GetStringTypeW
GetTimeZoneInformation
OutputDebugStringW
LCMapStringW
IsValidLocale
EnumSystemLocalesW
GetConsoleCP
SetFilePointerEx
SetStdHandle
WriteConsoleW
SetEnvironmentVariableA
GetFileSize
FlushFileBuffers
FindFirstFileW
FindClose
GetUserDefaultLCID
GetFullPathNameW
GetFileTime
GlobalGetAtomNameW
LocalReAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
CompareStringW
GlobalFlags
FormatMessageW
GetCurrentProcessId
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
lstrcmpA
MulDiv
GlobalAlloc
GlobalFindAtomW
GlobalAddAtomW
lstrcmpW
GlobalDeleteAtom
LoadLibraryExW
FreeLibrary
GetSystemDirectoryW
GetCurrentThreadId
EncodePointer
GlobalFree
GlobalUnlock
GlobalLock
FreeResource
LoadLibraryA
GetModuleHandleA
SetLastError
OutputDebugStringA
GetACP
GetLongPathNameW
GetTempPathW
GlobalMemoryStatusEx
IsWow64Process
LocalAlloc
GetProcAddress
GetVersionExW
GetLocaleInfoW
LoadLibraryW
GetCurrentThread
GetCurrentProcess
GetNativeSystemInfo
GetComputerNameA
WideCharToMultiByte
GetSystemTimeAsFileTime
CreateProcessW
GetFileAttributesW
CreateDirectoryExW
DeviceIoControl
MultiByteToWideChar
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteFileW
ReadFile
LocalFree
GetModuleFileNameW
GetCommandLineW
CloseHandle
WaitForMultipleObjects
LockResource
ExitThread
CreateFileW
SizeofResource
WriteFile
WaitForSingleObject
InterlockedDecrement
InterlockedIncrement
LoadResource
FindResourceW
ExitProcess
GetTickCount
DeleteCriticalSection
DecodePointer
HeapSize
GetLastError
RaiseException
Sleep
InitializeCriticalSectionAndSpinCount
GetProcessHeap
HeapFree
HeapAlloc
HeapReAlloc
VirtualProtect

user32

InvalidateRgn
CopyAcceleratorTableW
InflateRect
GetMenuItemInfoW
DestroyMenu
GetSysColorBrush
RealChildWindowFromPoint
WindowFromPoint
EndPaint
BeginPaint
GetWindowDC
TabbedTextOutW
GrayStringW
DrawTextExW
DrawTextW
LoadMenuW
RegisterClipboardFormatW
TranslateMessage
GetMessageW
MapDialogRect
SetWindowContextHelpId
GetWindowThreadProcessId
ShowOwnedPopups
PostQuitMessage
IsRectEmpty
OffsetRect
FillRect
GetCursorPos
SetWindowRgn
DrawIcon
KillTimer
SetTimer
ReleaseCapture
SetCapture
InvalidateRect
IsIconic
IsDialogMessageW
IsDlgButtonChecked
MoveWindow
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
CallNextHookEx
PostThreadMessageW
SetWindowsHookExW
GetWindow
GetLastActivePopup
GetTopWindow
GetClassNameW
GetClassLongW
PtInRect
CopyRect
GetSysColor
MapWindowPoints
ScreenToClient
MessageBoxW
AdjustWindowRectEx
GetWindowTextLengthW
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
RedrawWindow
ValidateRect
SetForegroundWindow
GetForegroundWindow
UpdateWindow
TrackPopupMenu
GetMenuItemCount
GetMenuItemID
GetSubMenu
SetMenu
GetMenu
GetCapture
GetKeyState
GetDlgCtrlID
IsWindowVisible
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
IsChild
GetClassInfoExW
GetClassInfoW
RegisterClassW
DefWindowProcW
GetMessageTime
GetMessagePos
PeekMessageW
DispatchMessageW
GetDesktopWindow
SetActiveWindow
GetActiveWindow
GetNextDlgTabItem
EndDialog
CreateDialogIndirectParamW
DestroyWindow
RegisterWindowMessageW
IsWindowEnabled
SetFocus
IsWindow
LoadBitmapW
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
MessageBeep
GetNextDlgGroupItem
ReuseDDElParam
UnpackDDElParam
InsertMenuItemW
CreatePopupMenu
TranslateAcceleratorW
CheckMenuItem
GetFocus
LoadAcceleratorsW
BringWindowToTop
CharNextW
CharUpperW
SetRectEmpty
IntersectRect
UnhookWindowsHookEx
SetRect
SendDlgItemMessageA
SetCursor
RemovePropW
LoadCursorW
LoadIconW
GetWindowRect
GetClientRect
SetPropW
GetWindowLongW
SetWindowLongW
SetWindowPos
ShowWindow
CreateWindowExW
GetPropW
CallWindowProcW
GetDC
SystemParametersInfoW
ReleaseDC
GetSystemMetrics
wsprintfW
GetWindowTextW
GetDlgItem
SetWindowTextW
SendMessageW
PostMessageW
UnregisterClassW
GetParent
EnableWindow
EqualRect
ClientToScreen

gdi32

TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
GetRgnBox
CreateCompatibleBitmap
GetBkColor
GetTextColor
GetMapMode
CreateRectRgnIndirect
SetBkMode
ExtSelectClipRgn
SetMapMode
BitBlt
SetBkColor
CreateBitmap
SetTextColor
GetStockObject
GetObjectW
GetTextExtentPoint32W
GetTextMetricsW
CreateFontIndirectW
DeleteObject
SelectObject
SaveDC
RestoreDC
RectVisible
PtVisible
GetWindowExtEx
GetViewportExtEx
GetPixel
GetDeviceCaps
GetClipBox
Escape
CreateSolidBrush
CreatePatternBrush
LPtoDP
CreateDIBSection
Ellipse
DeleteDC
CreateEllipticRgn
CreateCompatibleDC

comdlg32

GetSaveFileNameW

winspool.drv

ClosePrinter
OpenPrinterW
DocumentPropertiesW

advapi32

OpenProcessToken
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegDeleteValueW
GetUserNameA
GetTokenInformation
OpenThreadToken
RegCreateKeyExW
RegEnumKeyExW
RegOpenCurrentUser
RegDeleteKeyW
RegQueryInfoKeyW
CheckTokenMembership
FreeSid
AllocateAndInitializeSid
RegSetValueExW
RegCloseKey
RegOpenKeyExW
RegQueryValueExW

shell32

SHCreateDirectoryExW
ShellExecuteExW
CommandLineToArgvW
SHGetFolderPathW
DragQueryFileW
ShellExecuteW
DragFinish

comctl32

InitCommonControlsEx

shlwapi

PathFindExtensionW
PathFindFileNameW
PathRemoveFileSpecW
PathIsUNCW
PathFileExistsW
PathStripToRootW

ole32

CoRevokeClassObject
CreateILockBytesOnHGlobal
StgOpenStorageOnILockBytes
StgCreateDocfileOnILockBytes
CoGetClassObject
CoDisconnectObject
CoTaskMemAlloc
OleUninitialize
OleInitialize
CoFreeUnusedLibraries
CLSIDFromProgID
CLSIDFromString
CoCreateGuid
OleDraw
CreateStreamOnHGlobal
CoTaskMemFree
CoInitializeEx
CoInitializeSecurity
CoInitialize
CoUninitialize
CoCreateInstance
OleFlushClipboard
OleIsCurrentClipboard
CoRegisterMessageFilter

oleaut32

SafeArrayGetDim
SafeArrayDestroy
OleCreateFontIndirect
SafeArrayCreate
VariantTimeToSystemTime
LoadTypeLi
SafeArrayUnaccessData
SafeArrayAccessData
SafeArrayGetLBound
SafeArrayGetUBound
SafeArrayGetElemsize
SystemTimeToVariantTime
SysStringLen
VariantCopy
SysAllocString
VariantChangeType
VariantClear
SysFreeString
SysAllocStringLen
VariantInit

oledlg

OleUIBusyW

oleacc

CreateStdAccessibleObject
AccessibleObjectFromWindow
LresultFromObject

gdiplus

GdiplusShutdown

Sections

.text
Size: 571KB - Virtual size: 571KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 170KB - Virtual size: 169KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 15KB - Virtual size: 49KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 66KB - Virtual size: 65KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 54KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

101bdd6dba7c5f3d7ebddd895332dd49

Headers

DLL Characteristics

File Characteristics

Imports

wininet

kernel32

user32

gdi32

comdlg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

ole32

oleaut32

oledlg

oleacc

gdiplus

Sections

.text Size: 571KB - Virtual size: 571KB

.rdata Size: 170KB - Virtual size: 169KB

.data Size: 15KB - Virtual size: 49KB

.rsrc Size: 66KB - Virtual size: 65KB

.reloc Size: 54KB - Virtual size: 54KB

.text
Size: 571KB - Virtual size: 571KB

.rdata
Size: 170KB - Virtual size: 169KB

.data
Size: 15KB - Virtual size: 49KB

.rsrc
Size: 66KB - Virtual size: 65KB

.reloc
Size: 54KB - Virtual size: 54KB