Static task
static1
Behavioral task
behavioral1
Sample
2024-09-13_8131f60d48d68e5930ef609e7cbd19b2_bkransomware.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-09-13_8131f60d48d68e5930ef609e7cbd19b2_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-13_8131f60d48d68e5930ef609e7cbd19b2_bkransomware
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Size
576KB
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MD5
8131f60d48d68e5930ef609e7cbd19b2
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SHA1
678d7ae007fc7ef67868bc7bde310f5b2413d5b3
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SHA256
9d6596d3c52e233601e04a2fac749cfd055e54dfb904f25ab828527460075b7c
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SHA512
fe0191b0ba31a53835285546582299f64c9bb6c358b95e970609d0a147ab24c21209228ae28af1410fd9e0e7ea4834004ef420866d543937b2746abe901dd5f0
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SSDEEP
12288:vatsRxVtpwGL53EQPDqHJbwLP/0L89irnsP11TuyvZ5GK:i+RLLBV3ZPGC0EmnstYyvZ8K
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-13_8131f60d48d68e5930ef609e7cbd19b2_bkransomware
Files
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2024-09-13_8131f60d48d68e5930ef609e7cbd19b2_bkransomware.exe windows:5 windows x86 arch:x86
4827d255eaec9c400bef4d7eb84c8a83
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetSystemPaletteUse
GetRandomRgn
GetTextCharsetInfo
GetDeviceCaps
SetTextCharacterExtra
GetStretchBltMode
GetTextCharset
GetBkColor
GetObjectType
GetDCPenColor
GetPixelFormat
SetTextJustification
GetFontLanguageInfo
GetMapMode
SetTextColor
GetFontUnicodeRanges
UpdateColors
GetMetaRgn
GetDCBrushColor
GetClipRgn
GetTextCharacterExtra
SetPixel
GetNearestColor
user32
GetWindowLongA
GetScrollPos
DrawTextA
WindowFromDC
EnableWindow
GetQueueStatus
SetWindowTextA
GetWindowDC
EndPaint
GetMenuCheckMarkDimensions
LoadIconA
SendMessageA
GetMenuItemID
BeginPaint
GetCursor
SetFocus
GetMenuContextHelpId
EndDialog
CheckDlgButton
GetForegroundWindow
GetMenuItemCount
PostMessageA
RemovePropA
GetWindowContextHelpId
GetMenu
GetInputState
GetPropA
GetDialogBaseUnits
GetDlgItem
IsWindowEnabled
ShowWindow
kernel32
SetEnvironmentVariableA
GetTimeZoneInformation
SetEnvironmentVariableW
GetFullPathNameA
GetExitCodeProcess
WaitForSingleObject
WriteConsoleW
SetStdHandle
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
OutputDebugStringW
GetModuleFileNameA
ReadConsoleW
RaiseException
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetFilePointerEx
CreateProcessA
GetFileType
GetProcAddress
GetModuleHandleA
GetProcessHeap
IsProcessorFeaturePresent
LocalFlags
FindClose
IsDebuggerPresent
FindResourceA
SizeofResource
GetCurrentThreadId
LockResource
GetCurrentProcess
MoveFileA
GetCurrentProcessId
GlobalFlags
DeleteFileA
LoadResource
GlobalHandle
GetVersion
CloseHandle
GetFileTime
GlobalAlloc
GetTickCount
QueryPerformanceCounter
GlobalSize
GetLastError
FlushFileBuffers
HeapFree
HeapAlloc
HeapReAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetSystemTimeAsFileTime
DeleteFileW
DeleteCriticalSection
GetLocalTime
DuplicateHandle
CreateProcessW
GetFullPathNameW
ReadFile
GetCommandLineA
GetStdHandle
WriteFile
GetModuleFileNameW
SetLastError
GetCurrentThread
EnterCriticalSection
LeaveCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
RtlUnwind
GetConsoleCP
GetConsoleMode
GetStringTypeW
CreatePipe
GetFileAttributesExW
SetEndOfFile
Sections
.text Size: 518KB - Virtual size: 517KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 33KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 23KB - Virtual size: 132KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE