c:\builds\moz2_slave\rel-m-rel-w32_bld-000000000000\build\obj-firefox\toolkit\mozapps\update\updater\updater.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-14_31b1d3e9dde9c2e58a008e986642dbb7_bkransomware.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-14_31b1d3e9dde9c2e58a008e986642dbb7_bkransomware.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-14_31b1d3e9dde9c2e58a008e986642dbb7_bkransomware
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Size
1.9MB
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MD5
31b1d3e9dde9c2e58a008e986642dbb7
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SHA1
aa15a020b51cb3ec3aa6af7c191f6edba7be6b1a
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SHA256
e7dc71f668113417dc5f7c27ccdb0ed86b25fc4fc1e20798f3f89c898f3c9fc5
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SHA512
b0198fd24eb4883ba570a1c3206e1287ed919ea8da120d665ad5d128560ad2b609148d6bbb4f83975464c2b22aaaa8813f8aef1f72d518d5d4db6172cb39469c
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SSDEEP
49152:mJJ8y5/v9MOwnNTBpu5HOTfakOElMaFLk:Q8q92yHAak7
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-14_31b1d3e9dde9c2e58a008e986642dbb7_bkransomware
Files
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2024-05-14_31b1d3e9dde9c2e58a008e986642dbb7_bkransomware.exe windows:5 windows x86 arch:x86
438eeb7cb71b3c0c22081e72785bea2e
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
PDB Paths
Imports
kernel32
CloseHandle
LocalFree
LocalAlloc
FreeLibrary
GetCurrentProcess
SetLastError
GetDriveTypeW
WriteFile
MoveFileW
DeleteFileW
GetTimeZoneInformation
WriteConsoleW
LCMapStringW
FindNextFileW
OutputDebugStringW
FlushFileBuffers
SetEnvironmentVariableA
SetFilePointerEx
HeapSize
GetFullPathNameW
TlsFree
TlsSetValue
GetLongPathNameW
FindClose
GetLastError
CreateFileW
GetFileAttributesW
FormatMessageW
CopyFileW
WideCharToMultiByte
OpenProcess
GetPrivateProfileStringW
WaitForSingleObject
MoveFileExW
CreateProcessW
SetEndOfFile
SetFilePointer
FindFirstFileW
GetTempFileNameW
DeactivateActCtx
MultiByteToWideChar
GetModuleFileNameW
Sleep
ActivateActCtx
CreateActCtxW
GetProcAddress
GetSystemDirectoryW
GetModuleHandleW
SetDllDirectoryW
CompareStringW
LoadLibraryExW
TlsGetValue
TlsAlloc
TerminateProcess
InitializeCriticalSectionAndSpinCount
SetUnhandledExceptionFilter
UnhandledExceptionFilter
ReadConsoleW
SetStdHandle
GetConsoleMode
RaiseException
LoadLibraryExA
GetCommandLineW
HeapFree
HeapAlloc
FileTimeToLocalFileTime
GetFileInformationByHandle
GetFileType
PeekNamedPipe
FileTimeToSystemTime
IsDebuggerPresent
IsProcessorFeaturePresent
GetFileAttributesExW
SetFileAttributesW
EnterCriticalSection
LeaveCriticalSection
CreateDirectoryW
RemoveDirectoryW
FindFirstFileExW
SystemTimeToTzSpecificLocalTime
EncodePointer
DecodePointer
CreateThread
GetCurrentThreadId
ExitThread
SetEnvironmentVariableW
SetCurrentDirectoryW
GetCurrentDirectoryW
ReadFile
HeapReAlloc
ExitProcess
GetModuleHandleExW
GetProcessHeap
GetStdHandle
DeleteCriticalSection
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
RtlUnwind
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetStringTypeW
GetConsoleCP
user32
OffsetRect
wsprintfW
SetTimer
ScreenToClient
GetWindowRect
DrawTextW
CopyRect
GetParent
GetClientRect
GetDC
LoadIconW
DialogBoxParamW
GetWindowLongW
ReleaseDC
GetDlgItem
SetWindowLongW
EndDialog
GetDesktopWindow
SetWindowPos
SendMessageW
SetWindowTextW
gdi32
SelectObject
advapi32
OpenSCManagerA
QueryServiceStatusEx
StartServiceW
OpenServiceW
CloseServiceHandle
AdjustTokenPrivileges
LookupPrivilegeValueA
GetTokenInformation
OpenProcessToken
RegEnumKeyExW
RegQueryInfoKeyW
CryptDestroyHash
CryptReleaseContext
CryptGetHashParam
CryptHashData
CryptVerifySignatureA
CryptDestroyKey
CryptCreateHash
CryptAcquireContextA
RegSetValueExW
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
RegCreateKeyExW
QueryServiceConfigW
wintrust
WinVerifyTrust
shell32
ShellExecuteExW
shlwapi
PathCommonPrefixW
PathRemoveFileSpecW
PathStripToRootW
PathAppendW
PathUnquoteSpacesW
Sections
.text Size: 133KB - Virtual size: 133KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 43KB - Virtual size: 42KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 95KB - Virtual size: 95KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ