2024-05-04_262806f988b72184c0646da10a0fb53c_bkransomware

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General

Target

2024-05-04_262806f988b72184c0646da10a0fb53c_bkransomware
Size

506KB
MD5

262806f988b72184c0646da10a0fb53c
SHA1

9bf504e14eb474f5c0dd8d1db4de9c6dc07e4fba
SHA256

9fab79eee252385623e0981bfdfa297b98f2b887335d25fb8fc623236988e9df
SHA512

41cf7f0cb11dc2d30e53d10c2239b4102e0f8334bfb9480f4c17820ff50eb58a3ec47f0bffbf5188c45fbdebb629b62d980fd955081f9730686cc60e00573804
SSDEEP

12288:JSMx0gGqtc/K9IPR3bJbQSruHhnFYNsHVQ81jg:JSMFGqtcy9IPt5NuBnFYqHO85g

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-04_262806f988b72184c0646da10a0fb53c_bkransomware

Files

2024-05-04_262806f988b72184c0646da10a0fb53c_bkransomware
.exe windows:5 windows x86 arch:x86

963226e6bbe29f87aa49b92b4ae9a4f1

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

PDB Paths

C:\src\wix39\build\ship\x86\burn.pdb

Imports

advapi32

OpenProcessToken
AdjustTokenPrivileges
LookupPrivilegeValueW
InitiateSystemShutdownExW
GetUserNameW
RegCloseKey
RegQueryValueExW
RegDeleteValueW
ConvertStringSecurityDescriptorToSecurityDescriptorW
DecryptFileW
CreateWellKnownSid
InitializeAcl
SetEntriesInAclW
ChangeServiceConfigW
CloseServiceHandle
ControlService
OpenSCManagerW
OpenServiceW
QueryServiceStatus
QueryServiceConfigW
SetNamedSecurityInfoW
CheckTokenMembership
AllocateAndInitializeSid
SetEntriesInAclA
SetSecurityDescriptorGroup
SetSecurityDescriptorOwner
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
RegSetValueExW
RegQueryInfoKeyW
RegEnumValueW
RegEnumKeyExW
RegDeleteKeyW
RegCreateKeyExW
GetTokenInformation
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextW
RegOpenKeyExW

user32

GetMessageW
PeekMessageW
PostMessageW
IsWindow
WaitForInputIdle
PostQuitMessage
TranslateMessage
DefWindowProcW
RegisterClassW
UnregisterClassW
CreateWindowExW
MessageBoxW
GetCursorPos
GetWindowLongW
SetWindowLongW
DispatchMessageW
LoadCursorW
IsDialogMessageW
MonitorFromPoint
GetMonitorInfoW
PostThreadMessageW
MsgWaitForMultipleObjects
LoadBitmapW

oleaut32

SysAllocString
SysFreeString
VariantInit
VariantClear

gdi32

SelectObject
DeleteObject
GetObjectW
StretchBlt
CreateCompatibleDC
DeleteDC

shell32

ShellExecuteExW
SHGetFolderPathW
CommandLineToArgvW

ole32

CoInitializeEx
CoUninitialize
CoInitializeSecurity
CLSIDFromProgID
CoInitialize
CoTaskMemFree
CoCreateInstance
StringFromGUID2

kernel32

VerSetConditionMask
FreeLibrary
GetProcAddress
EnterCriticalSection
LeaveCriticalSection
GetSystemTime
GetNativeSystemInfo
lstrlenW
GetModuleHandleExW
GetSystemDirectoryW
GetTempPathW
GetWindowsDirectoryW
GetSystemWow64DirectoryW
GetComputerNameW
VerifyVersionInfoW
GetVolumePathNameW
CompareStringW
GetDateFormatW
GetSystemDefaultLangID
GetUserDefaultLangID
GetStringTypeW
ExpandEnvironmentStringsW
GetFileAttributesW
ReadFile
SetFilePointerEx
CreateFileW
CreateProcessW
DuplicateHandle
InterlockedExchange
InterlockedCompareExchange
LoadLibraryW
lstrlenA
RemoveDirectoryW
CreateEventW
GetCurrentProcessId
ProcessIdToSessionId
LocalFree
OpenProcess
GetProcessId
WaitForSingleObject
WriteFile
ConnectNamedPipe
SetNamedPipeHandleState
CreateNamedPipeW
CreateThread
GetExitCodeThread
GetVersionExW
SetFileAttributesW
FindFirstFileW
FindNextFileW
SetEvent
WaitForMultipleObjects
InterlockedIncrement
InterlockedDecrement
ResetEvent
SetEndOfFile
SetFileTime
LocalFileTimeToFileTime
DosDateTimeToFileTime
CreateFileA
CompareStringA
SetCurrentDirectoryW
GetCurrentDirectoryW
GetExitCodeProcess
SetThreadExecutionState
CopyFileExW
MapViewOfFile
UnmapViewOfFile
CreateMutexW
CreateFileMappingW
GetThreadLocale
GetModuleHandleW
TlsFree
TlsSetValue
TlsGetValue
GetLastError
GetCurrentThreadId
VirtualFree
VirtualAlloc
MoveFileExW
CopyFileW
DeleteFileW
GetFileSizeEx
GlobalFree
GlobalAlloc
GetModuleHandleA
GetCurrentProcess
HeapSetInformation
GetFullPathNameW
CreateDirectoryW
TlsAlloc
CloseHandle
Sleep
ReleaseMutex
DeleteCriticalSection
FindClose
InitializeCriticalSection
TerminateProcess
InitializeCriticalSectionAndSpinCount
GetTempFileNameW
FormatMessageW
GetLocalTime
SetFilePointer
FlushFileBuffers
WriteConsoleW
SetStdHandle
LCMapStringW
HeapSize
HeapReAlloc
GetConsoleMode
GetConsoleCP
OutputDebugStringW
RtlUnwind
LoadLibraryExW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
SetUnhandledExceptionFilter
UnhandledExceptionFilter
FreeEnvironmentStringsW
HeapFree
RaiseException
SystemTimeToTzSpecificLocalTime
GetTimeZoneInformation
SystemTimeToFileTime
HeapAlloc
IsProcessorFeaturePresent
IsDebuggerPresent
GetCommandLineW
SetLastError
EncodePointer
DecodePointer
ExitProcess
MultiByteToWideChar
WideCharToMultiByte
GetProcessHeap
GetStdHandle
GetFileType
GetStartupInfoW
GetModuleFileNameW
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetEnvironmentStringsW

cabinet

ord20
ord23
ord22

crypt32

CertGetCertificateContextProperty
CryptHashPublicKeyInfo

msi

ord238
ord111
ord173
ord45
ord205
ord90
ord141
ord169
ord70
ord88
ord190
ord171
ord118
ord115
ord125
ord17
ord137
ord116
ord8

rpcrt4

UuidCreate

wininet

InternetErrorDlg
InternetOpenW
InternetConnectW
InternetCloseHandle
InternetReadFile
InternetSetOptionW
HttpOpenRequestW
HttpAddRequestHeadersW
HttpSendRequestW
HttpQueryInfoW
InternetCrackUrlW

wintrust

WTHelperProvDataFromStateData
WTHelperGetProvSignerFromChain
WinVerifyTrust
CryptCATAdminCalcHashFromFileHandle

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

shlwapi

PathCanonicalizeW

Sections

.text
Size: 270KB - Virtual size: 270KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 114KB - Virtual size: 114KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.wixburn
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

963226e6bbe29f87aa49b92b4ae9a4f1

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

user32

oleaut32

gdi32

shell32

ole32

kernel32

cabinet

crypt32

msi

rpcrt4

wininet

wintrust

version

shlwapi

Sections

.text Size: 270KB - Virtual size: 270KB

.rdata Size: 114KB - Virtual size: 114KB

.data Size: 5KB - Virtual size: 12KB

.wixburn Size: 512B - Virtual size: 56B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 14KB - Virtual size: 13KB

.reloc Size: 15KB - Virtual size: 14KB

.text
Size: 270KB - Virtual size: 270KB

.rdata
Size: 114KB - Virtual size: 114KB

.data
Size: 5KB - Virtual size: 12KB

.wixburn
Size: 512B - Virtual size: 56B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 14KB - Virtual size: 13KB

.reloc
Size: 15KB - Virtual size: 14KB