2024-05-07_a23a2b9dab2d45be5773d36267bbf757_bkransomware

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General

Target

2024-05-07_a23a2b9dab2d45be5773d36267bbf757_bkransomware
Size

712KB
MD5

a23a2b9dab2d45be5773d36267bbf757
SHA1

b23cb59eea3030b5bf1117ff4625073bd4c70cb5
SHA256

542e2acecaf956430c518367ca0a8a4820fc8ca84fc2c4f155b3f5c1c3034bac
SHA512

df3b012e455e8abc857fa5513348ee5cecf95fc0d05d99b833739459d2669bdc6951c6b4d15cc1022aeae22c5a1255127286461157ef686a23302bb2a6e79bd9
SSDEEP

12288:AtOw6BaI4wzGNbr7+BAW9YFkovskWDIxguuRODzWIKfOWNg2ADTS2f:u6B2wKdrCR9KKkmREWIK2W2HTS2f

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-07_a23a2b9dab2d45be5773d36267bbf757_bkransomware

Files

2024-05-07_a23a2b9dab2d45be5773d36267bbf757_bkransomware
.exe windows:5 windows x86 arch:x86

193b654ecb38f71ffa2fa47fac4c2bf7

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

comctl32

InitCommonControlsEx

kernel32

GlobalUnlock
FlushFileBuffers
WriteConsoleW
SetStdHandle
OutputDebugStringW
HeapReAlloc
LoadLibraryExW
LCMapStringW
RtlUnwind
SetFilePointerEx
GetConsoleMode
GetConsoleCP
LeaveCriticalSection
EnterCriticalSection
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
WriteFile
GetModuleFileNameW
DeleteCriticalSection
GetFileType
GetStdHandle
GetProcessHeap
HeapSize
GetModuleHandleExW
ExitProcess
WideCharToMultiByte
GetStringTypeW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
GetStartupInfoW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
TerminateProcess
GetCurrentProcess
Sleep
InitializeCriticalSectionAndSpinCount
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
HeapFree
GetLastError
RaiseException
HeapAlloc
GetCommandLineW
DecodePointer
EncodePointer
IsProcessorFeaturePresent
IsDebuggerPresent
CloseHandle
VirtualFreeEx
ReadProcessMemory
VirtualAllocEx
OpenProcess
CreateFileW
GlobalLock
GlobalAlloc
FreeLibrary
GetProcAddress
GetModuleHandleW
MulDiv
MultiByteToWideChar
GetCurrentThreadId

user32

GetClassNameW
SendMessageTimeoutW
AttachThreadInput
GetWindowThreadProcessId
GetWindowLongW
GetParent
SendMessageW
GetCursor
GetDesktopWindow
RedrawWindow
GetWindowDC
IsWindow
GetWindow
ChildWindowFromPointEx
ClientToScreen
EnumChildWindows
GetWindowTextW
GetDlgCtrlID
GetForegroundWindow
WindowFromPoint
CloseClipboard
SetClipboardData
EmptyClipboard
OpenClipboard
ReleaseCapture
SendDlgItemMessageW
SetCapture
SetCursor
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
DefWindowProcW
MessageBoxW
DestroyWindow
KillTimer
PostQuitMessage
GetWindowPlacement
RegisterClassExW
LoadIconW
DispatchMessageW
TranslateMessage
IsDialogMessageW
GetMessageW
SetTimer
GetClientRect
SetWindowTextW
SetWindowPos
GetMenu
CheckMenuItem
LoadCursorW
LoadImageW
RegisterWindowMessageW
RegisterHotKey
CreateWindowExW
DestroyIcon
ReleaseDC
GetDC
GetCursorPos
IsWindowVisible
ShowWindow
EnableWindow
MoveWindow
ScreenToClient
GetWindowRect
InvalidateRect

gdi32

DeleteDC
BitBlt
LineTo
MoveToEx
StretchBlt
PatBlt
CreateCompatibleBitmap
CreateCompatibleDC
Rectangle
SetROP2
GetStockObject
SelectObject
CreatePen
GetPixel
DeleteObject
CreateFontW

comdlg32

ChooseColorW

advapi32

RegOpenKeyExW
RegSetValueExW
RegCreateKeyExW
RegCloseKey
RegQueryValueExW

Sections

.text
Size: 63KB - Virtual size: 62KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 25KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 828KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 46KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 572KB - Virtual size: 576KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

193b654ecb38f71ffa2fa47fac4c2bf7

Headers

DLL Characteristics

File Characteristics

Imports

comctl32

kernel32

user32

gdi32

comdlg32

advapi32

Sections

.text Size: 63KB - Virtual size: 62KB

.rdata Size: 25KB - Virtual size: 25KB

.data Size: 4KB - Virtual size: 828KB

.rsrc Size: 46KB - Virtual size: 45KB

.reloc Size: 572KB - Virtual size: 576KB

.text
Size: 63KB - Virtual size: 62KB

.rdata
Size: 25KB - Virtual size: 25KB

.data
Size: 4KB - Virtual size: 828KB

.rsrc
Size: 46KB - Virtual size: 45KB

.reloc
Size: 572KB - Virtual size: 576KB