2024-05-31_cf5ef683324089234198ffc8e2de8b7c_bkransomware

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General

Target

2024-05-31_cf5ef683324089234198ffc8e2de8b7c_bkransomware
Size

655KB
MD5

cf5ef683324089234198ffc8e2de8b7c
SHA1

d01d7b4de48ec9bfbdaf8ee635da57155a8aec6d
SHA256

b3730592e5105cf4a539817c2867b19fefc8a60bfba09ec6a37aa377224dc1d3
SHA512

a52abafeefe68051af7abdddcc35bd98bf98210def29b9be7f4dbe259a7283e2bae498a6d3b64cbabff81908f67313ef68565c1e45eb88fbe35f0c87a265f57d
SSDEEP

12288:xC0v69xw7+Gkaykbb/iOa32sJ7xxaXM3qnY8fBxWnoRpJWgtUOtDJzp1+GWIWe:DSL2yIb/u32sJ7D3qBfBxWQJ5t9zpAG9

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-31_cf5ef683324089234198ffc8e2de8b7c_bkransomware

Files

2024-05-31_cf5ef683324089234198ffc8e2de8b7c_bkransomware
.exe windows:5 windows x86 arch:x86

46ad3d954e527f769e37017b3e128039

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

WriteFile
ReadFile
CreateFileW
FlushFileBuffers
GetLastError
FindClose
LocalAlloc
GetLogicalDriveStringsW
LocalFree
CreateThread
ExpandEnvironmentStringsW
WriteConsoleW
SetFilePointerEx
SetStdHandle
GetConsoleMode
CreateProcessW
SetFilePointer
GetDriveTypeW
FindFirstFileW
CreateMutexW
GetFileSize
GetEnvironmentVariableW
FindNextFileW
ExitProcess
GetConsoleCP
GetCommandLineW
IsProcessorFeaturePresent
SetLastError
GetCurrentThreadId
EncodePointer
DecodePointer
GetModuleHandleExW
GetProcAddress
MultiByteToWideChar
WideCharToMultiByte
GetProcessHeap
GetStdHandle
GetFileType
DeleteCriticalSection
GetStartupInfoW
GetModuleFileNameW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
HeapFree
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
IsDebuggerPresent
LoadLibraryExW
RtlUnwind
OutputDebugStringW
HeapAlloc
HeapReAlloc
GetStringTypeW
HeapSize
LCMapStringW
CloseHandle

user32

wsprintfW

advapi32

RegCloseKey
CryptGenRandom
RegCreateKeyW
CryptAcquireContextW
RegSetValueExW

ntdll

RtlAdjustPrivilege
NtDelayExecution
NtClose

Sections

.text
Size: 59KB - Virtual size: 59KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

46ad3d954e527f769e37017b3e128039

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

ntdll

Sections

.text Size: 59KB - Virtual size: 59KB

.data Size: 4KB - Virtual size: 12KB

.idata Size: 2KB - Virtual size: 2KB

.reloc Size: 3KB - Virtual size: 3KB

.text
Size: 59KB - Virtual size: 59KB

.data
Size: 4KB - Virtual size: 12KB

.idata
Size: 2KB - Virtual size: 2KB

.reloc
Size: 3KB - Virtual size: 3KB