Static task
static1
Behavioral task
behavioral1
Sample
2024-08-11_83ff7921189a54c0ea74f1a3f45698c1_bkransomware.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-11_83ff7921189a54c0ea74f1a3f45698c1_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-11_83ff7921189a54c0ea74f1a3f45698c1_bkransomware
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Size
585KB
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MD5
83ff7921189a54c0ea74f1a3f45698c1
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SHA1
6979ce79beba71766cc17078f2910ed03295da34
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SHA256
f10d51e0602364dfbebbade1e986b1ca802c90301c6d2c8f51f8de698ae6ea7b
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SHA512
04632ae23572be125d6ba99d88dc58f15d3d0aa790cf0d1ea86c9eb0a8b0624d7da5dfb85a3096afb9983fe4c9b896724410580d9cf1f39168aa3c2ba71c4fef
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SSDEEP
12288:LT3G2Hn2lm1XlUA31jMbCadILuDMXZTFkO+Q6IPW2PzZ:La2H2lcXlUA32Ca/DMTFkjQrW2rZ
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-11_83ff7921189a54c0ea74f1a3f45698c1_bkransomware
Files
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2024-08-11_83ff7921189a54c0ea74f1a3f45698c1_bkransomware.exe windows:5 windows x86 arch:x86
962b442544a6cb8da24d0d4cf926f67d
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
SetTextAlign
GetRandomRgn
UpdateColors
SetTextJustification
SetTextColor
GetMetaRgn
GetStretchBltMode
GetDeviceCaps
GetDCPenColor
GetMapMode
GetSystemPaletteUse
GetFontUnicodeRanges
SetPixel
GetNearestColor
GetTextCharsetInfo
GetTextCharacterExtra
GetClipRgn
GetPixelFormat
GetCurrentObject
GetPolyFillMode
user32
GetWindowContextHelpId
GetWindowDC
GetDlgItem
BeginPaint
GetForegroundWindow
MoveWindow
EndPaint
PostMessageA
SetFocus
GetScrollPos
GetDlgItemInt
IsWindowEnabled
GetWindowLongA
GetMenuContextHelpId
IsWindowUnicode
GetDC
SendMessageA
EnableWindow
SetDlgItemTextA
CheckDlgButton
WindowFromDC
ShowWindow
EndDialog
RemovePropA
GetMenuState
DrawTextA
GetPropA
LoadIconA
GetMenuItemCount
kernel32
SetEndOfFile
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
WriteConsoleW
SetStdHandle
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetModuleFileNameA
ReadConsoleW
SetFilePointerEx
RaiseException
GetFileAttributesExW
GetFullPathNameW
SetEnvironmentVariableW
SetEnvironmentVariableA
GetTimeZoneInformation
GetProcAddress
GetModuleHandleA
GetCurrentProcessId
SetFilePointer
CloseHandle
GetCurrentProcess
LocalFlags
GetCurrentThreadId
GlobalAlloc
GetVersion
GetFileTime
GetLastError
GetFileType
LockResource
GlobalFlags
FlushFileBuffers
DeleteFileA
GetStdHandle
FindClose
WriteFile
FindResourceA
LoadResource
QueryPerformanceCounter
GetProcessHeap
GetTickCount
IsDebuggerPresent
IsProcessorFeaturePresent
GetDriveTypeA
GlobalHandle
GlobalSize
MoveFileA
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
HeapReAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
DeleteFileW
ReadFile
GetCommandLineA
GetModuleFileNameW
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
SetLastError
GetCurrentThread
DeleteCriticalSection
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
GetStringTypeW
GetFullPathNameA
Sections
.text Size: 508KB - Virtual size: 507KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 53KB - Virtual size: 52KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 23KB - Virtual size: 90KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE