2024-04-25_b1b2c8fa61ca20048a04c3c51b3dd256_bkransomware

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General

Target

2024-04-25_b1b2c8fa61ca20048a04c3c51b3dd256_bkransomware
Size

96KB
MD5

b1b2c8fa61ca20048a04c3c51b3dd256
SHA1

e098ee696a3d83e2d335f0f4e7432515f2ff53dd
SHA256

b37a63665ba20c925d190ad5490f3909a8b2a11fc7bf0970031fe7bef01f2de0
SHA512

b75ba8ee22d2dfbd602543d08cc15c5e83f60a64d23b119334d7c88d21cdd161d5ebe20bc7bd87e2d6400fedcd154662a31e31ce0afb4ad8a9762693b69c1afa
SSDEEP

1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTLyKXEN9OxK8h3WUFAx6O:ZhpAyazIlyazTGKXesx73WUFmR

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-25_b1b2c8fa61ca20048a04c3c51b3dd256_bkransomware

Files

2024-04-25_b1b2c8fa61ca20048a04c3c51b3dd256_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