Static task
static1
Behavioral task
behavioral1
Sample
2024-07-08_88f17a07f66a9fccd3e6a42cb0b33da0_bkransomware.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-07-08_88f17a07f66a9fccd3e6a42cb0b33da0_bkransomware.exe
Resource
win10v2004-20240704-en
General
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Target
2024-07-08_88f17a07f66a9fccd3e6a42cb0b33da0_bkransomware
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Size
488KB
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MD5
88f17a07f66a9fccd3e6a42cb0b33da0
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SHA1
9328d069b50b15378c88133a467417f480ce3185
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SHA256
a67f9384e9f9c24cc9307359d5b9244a808b78c993f5716bc2ad7e03f270a472
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SHA512
16cb6521833d728816439bc6cf57c6807417b7cd039b7b7bcd9c8d5ab711611d955bfa8ef5541ccee0e188e50e211d058cc70cf818fc780e3d8c4e1adffc9196
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SSDEEP
6144:Hi3KL9D4Mo8NGVCu7UsJHgYfaF1+hD7kG6RrjbEcHwuD3nj:HZ9D4UACu7UwHUTuDoGoHbf
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-07-08_88f17a07f66a9fccd3e6a42cb0b33da0_bkransomware
Files
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2024-07-08_88f17a07f66a9fccd3e6a42cb0b33da0_bkransomware.exe windows:5 windows x86 arch:x86
0a92f4198aa33b450fc7007364bc31f6
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
SetTextCharacterExtra
GetRandomRgn
GetStretchBltMode
GetPixelFormat
GetFontLanguageInfo
SetPixel
GetTextCharacterExtra
GetNearestColor
GetTextCharsetInfo
GetDCBrushColor
SetTextJustification
GetNearestPaletteIndex
GetBkColor
SetSystemPaletteUse
GetTextAlign
user32
SetFocus
SendMessageA
GetMenuContextHelpId
GetWindowContextHelpId
GetMenuItemCount
PostMessageA
CallWindowProcA
GetScrollPos
EnableWindow
GetDlgItem
GetWindowDC
EndDialog
GetDlgItemInt
IsWindowEnabled
GetMenu
CheckDlgButton
WindowFromDC
SetWindowTextA
GetWindowLongA
ShowWindow
GetMenuState
kernel32
GetFullPathNameA
ReadConsoleW
ReadFile
SetEndOfFile
GetTimeZoneInformation
GetStringTypeW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
CreateFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
GetFullPathNameW
PeekNamedPipe
GetFileInformationByHandle
FileTimeToLocalFileTime
GetProcAddress
GetModuleHandleA
MoveFileA
GetProcessHeap
GlobalHandle
IsDebuggerPresent
SetFilePointer
GetCurrentThreadId
GetLastError
DeleteFileA
CloseHandle
GlobalFlags
IsProcessorFeaturePresent
GetFileType
FindResourceA
GetCurrentProcessId
GetCurrentProcess
LockResource
GetTickCount
GetFileTime
QueryPerformanceCounter
FindClose
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
HeapReAlloc
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetCommandLineA
GetStdHandle
WriteFile
GetModuleFileNameW
SetLastError
GetCurrentThread
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetModuleFileNameA
GetEnvironmentStringsW
FreeEnvironmentStringsW
OutputDebugStringW
SetFilePointerEx
SetStdHandle
WriteConsoleW
FlushFileBuffers
SetEnvironmentVariableA
Sections
.text Size: 422KB - Virtual size: 422KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 25KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 40KB - Virtual size: 188KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE