2024-05-23_b4c7ff6e91155a6ac387ca7ad8146e77_bkransomware

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General

Target

2024-05-23_b4c7ff6e91155a6ac387ca7ad8146e77_bkransomware
Size

24.4MB
MD5

b4c7ff6e91155a6ac387ca7ad8146e77
SHA1

16c32bdd771e5112178eff4115cc04dd24716346
SHA256

1e0b4f247c0b4428f684e83578e8a38aa44db530e896246f0762fc97d4187ca0
SHA512

d7394c2e33201b2caec117fa41d624e2b3b6c16bf77237a619f7e928a8d8466a8f7fb64e517261f23c24ccdef8182887fcaa92af5e2ad004f597420771cc22de
SSDEEP

786432:oQKznpimIn1+FbhdTwlft+4zSnS42kwk8TEWB2:oxwmI1UbHwlU4zSdv8Vk

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
2024-05-23_b4c7ff6e91155a6ac387ca7ad8146e77_bkransomware

Files

2024-05-23_b4c7ff6e91155a6ac387ca7ad8146e77_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