2024-05-01_f731b3ff6ec7cca3dd06417b09594a07_bkransomware

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General

Target

2024-05-01_f731b3ff6ec7cca3dd06417b09594a07_bkransomware
Size

262KB
MD5

f731b3ff6ec7cca3dd06417b09594a07
SHA1

db6248c7e262e649f86fe318bc9a74b891efbda1
SHA256

e39d4c81a8eda987aa034b8b50332bbe16e5ab8a1f9b9b08a8b4a4a61c2f36c5
SHA512

21c59d6c6c4dfdda9802d3af98bbde48fd91258a5dc9fe0746565d4e94382c9e9b8df8d2b426b2d0390b52b2dd3a2ea69aef688385b500d8d4b3ef5c9b5c0850
SSDEEP

3072:ZRpAyazIliazTGu59Fs4ehsRKQzkP4wRpTW7OEPo3qOAWeWtBbsMZxh5ilb4fXmm:xZ8azflbibB3qmeWXbhZD/nn5b

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-01_f731b3ff6ec7cca3dd06417b09594a07_bkransomware

Files

2024-05-01_f731b3ff6ec7cca3dd06417b09594a07_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