Static task
static1
Behavioral task
behavioral1
Sample
2024-08-19_c1c4d2c995d137b6b4457b41e1741863_bkransomware.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-08-19_c1c4d2c995d137b6b4457b41e1741863_bkransomware.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-19_c1c4d2c995d137b6b4457b41e1741863_bkransomware
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Size
648KB
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MD5
c1c4d2c995d137b6b4457b41e1741863
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SHA1
a53a1382b6b4073ae553d63076048b0f4179e1f8
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SHA256
afeee820962ad1c9e30d27c32937972133618bc1e7504290d8d41b6d61546cca
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SHA512
1a13470b68d60f2f9c8426569c0a28134d30d74310a6b3318034dd8e6aed08e4c0ecd055b422cad57a9c8158efa44838573cefe61241a424f8c826a608dadff6
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SSDEEP
12288:ukWqSYK7lBdArTMoJAwTN47/GLesOQzhhpGbdPhWFt/vSoh:ukWc++TMoJtTN4iLJzhXQ/unL
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-19_c1c4d2c995d137b6b4457b41e1741863_bkransomware
Files
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2024-08-19_c1c4d2c995d137b6b4457b41e1741863_bkransomware.exe windows:5 windows x86 arch:x86
0c1616a81c6923f5e7a023e438afdc19
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetProcAddress
GetModuleHandleA
GetLastError
HeapFree
HeapAlloc
HeapReAlloc
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetTimeZoneInformation
Beep
Sleep
CloseHandle
DuplicateHandle
GetCurrentProcess
CreateProcessW
DeleteFileW
SetErrorMode
GetCommandLineA
IsProcessorFeaturePresent
GetProcessHeap
GetStdHandle
WriteFile
GetModuleFileNameW
IsDebuggerPresent
SetLastError
GetCurrentThread
GetCurrentThreadId
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
GetConsoleCP
GetConsoleMode
DeleteCriticalSection
FatalAppExitA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetTickCount
GetModuleHandleW
CreateSemaphoreW
SetConsoleCtrlHandler
FreeLibrary
LoadLibraryExW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
FindClose
FindFirstFileExW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetStringTypeW
FlushFileBuffers
ReadFile
SetFilePointerEx
GetEnvironmentStringsW
FreeEnvironmentStringsW
CreatePipe
GetFileAttributesExW
GetFileType
CreateProcessA
RaiseException
SetStdHandle
ReadConsoleW
GetModuleFileNameA
QueryPerformanceCounter
GetCurrentProcessId
OutputDebugStringW
WriteConsoleW
HeapSize
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FileTimeToLocalFileTime
GetFileInformationByHandle
PeekNamedPipe
GetFullPathNameW
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateFileW
WaitForSingleObject
GetExitCodeProcess
SetEnvironmentVariableW
SetEndOfFile
SetEnvironmentVariableA
GetFullPathNameA
Sections
.text Size: 526KB - Virtual size: 525KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 29KB - Virtual size: 29KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 45KB - Virtual size: 138KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 46KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ