2024-06-26_c3c7b28832205becc86f67c44ee82134_bkransomware

Sharing

Copy URL Twitter E-mail

General

Target

2024-06-26_c3c7b28832205becc86f67c44ee82134_bkransomware
Size

5.1MB
MD5

c3c7b28832205becc86f67c44ee82134
SHA1

493959eebf649de54687bf5ea29b527dd5bc7674
SHA256

dcdab0cab37a45554ad8d024fe6e6f4f10caddfb7b6a6dbdd2e4c98c5bc3494b
SHA512

af5da78969e1feb09a627e0a2a69bd73da29cdb79921d4d2d853781f0676cf383b32965f9ddcfd34decdc2bc3442823f91ff37bc103777fde96a7327332a2cf5
SSDEEP

98304:pdhlvHViTCUjJy9p4iHKQXeblp6XWD6TbirjV:nhlfViWUohqQXebT6Tbirp

Score

10^/10

Malware Config

Signatures

Detects executables packed with VMProtect. 1 IoCs

resource	yara_rule
sample	INDICATOR_EXE_Packed_VMProtect

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-26_c3c7b28832205becc86f67c44ee82134_bkransomware

Files

2024-06-26_c3c7b28832205becc86f67c44ee82134_bkransomware
.exe windows:5 windows x86 arch:x86

167c61447615460d9e00fcd359752837

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

WriteFile
DuplicateHandle
GetCurrentProcess
lstrcmpiW
FileTimeToSystemTime
SystemTimeToFileTime
SetErrorMode
FileTimeToLocalFileTime
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
SetConsoleCtrlHandler
GetTimeZoneInformation
OutputDebugStringW
GetDateFormatW
GetTimeFormatW
LCMapStringW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetStringTypeW
GetConsoleCP
GetConsoleMode
SetFilePointerEx
SetStdHandle
WriteConsoleW
ReadConsoleW
GetFileSize
GetSystemDefaultLangID
GetTempFileNameW
CreateFileA
MapViewOfFile
UnmapViewOfFile
GetDriveTypeW
GetLogicalDrives
GetSystemDefaultLCID
GetSystemPowerStatus
UnlockFile
GetTempPathW
CreateFileMappingW
QueryDosDeviceW
GetSystemInfo
GetTempPathA
FindResourceA
MoveFileExW
GetLogicalDriveStringsW
OpenProcess
Process32FirstW
Process32NextW
CreateToolhelp32Snapshot
OpenFile
SystemTimeToTzSpecificLocalTime
CreateDirectoryW
GetDriveTypeA
GetFileAttributesA
FindFirstFileA
RemoveDirectoryW
FindNextFileW
GetLocalTime
DeviceIoControl
FindVolumeClose
SetVolumeMountPointW
GetVolumeInformationA
DeleteVolumeMountPointW
FindNextVolumeW
GetVolumePathNamesForVolumeNameW
DefineDosDeviceW
SetVolumeLabelW
GetDiskFreeSpaceExA
GetDiskFreeSpaceExW
FindFirstVolumeW
GetVolumeNameForVolumeMountPointW
lstrlenW
PeekNamedPipe
CreateProcessW
GetExitCodeProcess
CreatePipe
TryEnterCriticalSection
InterlockedCompareExchange
InterlockedExchange
InterlockedDecrement
WaitForMultipleObjects
GetExitCodeThread
GetLogicalDriveStringsA
lstrlenA
GetFullPathNameA
GetFileInformationByHandle
FindFirstFileExW
SetFilePointer
GetFullPathNameW
SetEndOfFile
ReadFile
LockFile
GetVolumeInformationW
GetSystemDirectoryA
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
GlobalMemoryStatusEx
GetPrivateProfileSectionNamesW
GetPrivateProfileSectionW
CopyFileExW
CreateMutexW
HeapCompact
FlushViewOfFile
WaitForSingleObjectEx
UnlockFileEx
FormatMessageA
HeapCreate
HeapValidate
LockFileEx
GetDiskFreeSpaceW
CreateFileMappingA
GetDiskFreeSpaceA
GetVersionExA
GetSystemTime
DeleteFileA
GetThreadTimes
InitializeSListHead
SleepEx
ExpandEnvironmentStringsA
GlobalMemoryStatus
FlushConsoleInputBuffer
ReadConsoleInputA
GetCurrentProcessId
CreateThread
CloseHandle
WaitForSingleObject
GetModuleHandleW
DeleteCriticalSection
DecodePointer
HeapSize
GetLastError
RaiseException
HeapDestroy
InitializeCriticalSectionAndSpinCount
GetProcessHeap
HeapFree
HeapAlloc
SetEnvironmentVariableA
HeapReAlloc
SetConsoleMode

user32

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

shell32

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

shlwapi

PathIsRootW
PathIsDirectoryW
PathCanonicalizeW
PathIsRootA
PathFileExistsA
PathStripToRootW
PathIsUNCW
PathRemoveFileSpecW
PathFindFileNameW
PathFindExtensionW
PathFileExistsW

ws2_32

getaddrinfo
closesocket
gethostbyname
send
socket
recv
setsockopt
shutdown
htons
__WSAFDIsSet
select
inet_addr
WSAStartup
connect
ioctlsocket
WSACleanup
freeaddrinfo
accept
listen
recvfrom
sendto
gethostname
WSASetLastError
bind
getpeername
getsockname
getsockopt
WSAGetLastError
ntohs

oleacc

CreateStdAccessibleObject
LresultFromObject

version

GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW

wininet

InternetCrackUrlA
InternetCanonicalizeUrlA

imagehlp

MakeSureDirectoryPathExists

winmm

timeKillEvent
timeGetDevCaps
timeSetEvent

gdi32

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

winspool.drv

OpenPrinterW
DocumentPropertiesW
ClosePrinter

advapi32

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

ole32

CoTaskMemFree
CoInitializeEx
CoInitialize
CoCreateInstance
CoCreateGuid
CoUninitialize
CreateStreamOnHGlobal
OleSetContainedObject
CoSetProxyBlanket
CoInitializeSecurity

oleaut32

VarDateFromStr
SafeArrayPutElement
SafeArrayGetElement
SafeArrayGetLBound
SafeArrayGetUBound
SafeArrayDestroy
SafeArrayCreate
VariantTimeToSystemTime
VariantChangeType
VariantClear
VariantInit
SysAllocString
SysFreeString

msimg32

AlphaBlend

comctl32

_TrackMouseEvent

setupapi

SetupDiGetDeviceRegistryPropertyW
CM_Get_Device_IDA
CM_Get_Parent
SetupDiDestroyDeviceInfoList
SetupDiGetDeviceInterfaceDetailW
SetupDiEnumDeviceInterfaces
SetupDiGetDeviceRegistryPropertyA
SetupDiEnumDeviceInfo
SetupDiGetClassDevsW

gdiplus

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

imm32

ImmDestroyContext
ImmGetContext
ImmSetCompositionWindow
ImmReleaseContext
ImmAssociateContext

iphlpapi

GetAdaptersInfo

wlanapi

WlanFreeMemory
WlanEnumInterfaces
WlanOpenHandle
WlanGetProfile
WlanGetProfileList
WlanCloseHandle

rpcrt4

UuidFromStringW
UuidToStringW
RpcStringFreeW

crypt32

CryptUnprotectData
CryptStringToBinaryW

Sections

.text
Size: 4.2MB - Virtual size: 4.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 835KB - Virtual size: 835KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 233KB - Virtual size: 284KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.vmp0
Size: 489KB - Virtual size: 489KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 273KB - Virtual size: 272KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 31.7MB - Virtual size: 31.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

167c61447615460d9e00fcd359752837

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

shlwapi

ws2_32

oleacc

version

wininet

imagehlp

winmm

gdi32

winspool.drv

advapi32

ole32

oleaut32

msimg32

comctl32

setupapi

gdiplus

imm32

iphlpapi

wlanapi

rpcrt4

crypt32

Sections

.text Size: 4.2MB - Virtual size: 4.2MB

.rdata Size: 835KB - Virtual size: 835KB

.data Size: 233KB - Virtual size: 284KB

.vmp0 Size: 489KB - Virtual size: 489KB

.reloc Size: 273KB - Virtual size: 272KB

.rsrc Size: 31.7MB - Virtual size: 31.7MB

.text
Size: 4.2MB - Virtual size: 4.2MB

.rdata
Size: 835KB - Virtual size: 835KB

.data
Size: 233KB - Virtual size: 284KB

.vmp0
Size: 489KB - Virtual size: 489KB

.reloc
Size: 273KB - Virtual size: 272KB

.rsrc
Size: 31.7MB - Virtual size: 31.7MB