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Static task
static1
Behavioral task
behavioral1
Sample
2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe
Resource
win10v2004-20241007-en
General
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Target
2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware
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Size
573KB
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MD5
149b334f85bbd7a24ab55c53ab03ba8e
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SHA1
de025845597e99ceaefbe481dcac1629134138ec
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SHA256
54640459e29ae0685e2a9981cb3bf57690623a1b4d3ce61aeee3c1fe6ac3a196
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SHA512
32904758695e6368d2fafb54ebf6d17e0d990cabe885a94aeaf59e46b8f1159e9d78d34234e2dcb181db75855e476c625aba2e989f02456820790c7d1fe96835
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SSDEEP
12288:crtmE2OVIDRhIbCLm/A4xQ9ZYCuzNB0JfiwSdYSui8:c72NhIm6oxYxNsfiTdYSuV
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware
Files
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2025-01-13_149b334f85bbd7a24ab55c53ab03ba8e_bkransomware.exe windows:5 windows x86 arch:x86
fe19725c720b3564577348fd32bb4f52
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapSize
GetStringTypeW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleCP
HeapReAlloc
HeapAlloc
OutputDebugStringW
RtlUnwind
GetConsoleMode
SetStdHandle
SetFilePointerEx
WriteConsoleW
CloseHandle
LoadLibraryExW
FreeLibrary
SetConsoleCtrlHandler
IsDebuggerPresent
GetCPInfo
GetOEMCP
GetACP
HeapFree
FatalAppExitA
IsValidCodePage
VirtualProtect
EnumSystemLocalesA
WaitCommEvent
LeaveCriticalSection
EnterCriticalSection
CreateSemaphoreW
GetModuleHandleW
SetConsoleCursorPosition
SetWaitableTimer
GetTickCount
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GetCommandLineA
IsProcessorFeaturePresent
GetLastError
SetLastError
GetCurrentThread
GetCurrentThreadId
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
GetProcAddress
AreFileApisANSI
MultiByteToWideChar
WideCharToMultiByte
GetProcessHeap
GetStdHandle
GetFileType
DeleteCriticalSection
GetStartupInfoW
GetModuleFileNameA
WriteFile
GetModuleFileNameW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
GetCurrentProcess
TerminateProcess
CreateFileW
mpr
WNetCancelConnection2A
WNetUseConnectionA
WNetUseConnectionW
WNetConnectionDialog1A
ws2_32
WSAInstallServiceClassA
WSCGetProviderPath
WSASetEvent
ole32
OleQueryLinkFromData
HBITMAP_UserSize
StringFromGUID2
CreateItemMoniker
SNB_UserMarshal
CreateDataCache
HGLOBAL_UserMarshal
comdlg32
ReplaceTextA
ChooseFontW
ChooseColorW
ChooseFontA
GetFileTitleW
winspool.drv
ord211
AddPrintProvidorA
DeletePrinterIC
crypt32
CryptExportPublicKeyInfoEx
CertDuplicateCertificateContext
CryptGetOIDFunctionAddress
CertSetCTLContextProperty
CryptImportPublicKeyInfo
rtutils
TracePrintfA
TracePrintfExA
LogErrorA
TraceDumpExW
RouterGetErrorStringW
LogEventW
user32
CreateIconFromResource
gdi32
GetFontUnicodeRanges
GetEnhMetaFileDescriptionW
GetDeviceCaps
shlwapi
ord158
PathGetArgsW
ord29
imm32
ImmDisableIME
rpcrt4
I_RpcMapWin32Status
winmm
mmioWrite
waveOutSetVolume
Sections
.text Size: 92KB - Virtual size: 92KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 24KB - Virtual size: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 293KB - Virtual size: 292KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.data Size: 153KB - Virtual size: 153KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ