2024-06-25_816ba35797c12a07d0d25ce2eb4f8936_bkransomware_floxif

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General

Target

2024-06-25_816ba35797c12a07d0d25ce2eb4f8936_bkransomware_floxif
Size

776KB
MD5

816ba35797c12a07d0d25ce2eb4f8936
SHA1

47c58585cf471dff5768f74b9146877d08eed7d2
SHA256

4bfd508f987d9bc1ca0acd2b7b7f43378fe8e8c17f3bdb7d1a0979b9c38c2841
SHA512

fbea12896702bbd071e3d53618a2b9e4525c5fa39c873579d1c42f1791b2021402b38237980945c9ffe39e233140e8fd2e6ce9300742188986ef37d679d8648a
SSDEEP

12288:oPNLa6Hoy1CFMlutqDQF8LRr7Xcu54823Kc1u2BjvrEH7q:kLNIy1CFOPY8L97pXgKcNrEH7q

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-25_816ba35797c12a07d0d25ce2eb4f8936_bkransomware_floxif

Files

2024-06-25_816ba35797c12a07d0d25ce2eb4f8936_bkransomware_floxif
.exe windows:5 windows x86 arch:x86

89fb6166114772c2c3b8139facc129c9

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:\Builds\13810\Tools\Autoruns_master\bin\Win32\Release\autoruns.pdb

Imports

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

comctl32

ord17
ImageList_Create
ImageList_Add
CreateToolbarEx
ImageList_GetIcon
ImageList_Remove
ImageList_Draw
ImageList_ReplaceIcon
ImageList_GetImageCount

crypt32

CertDuplicateCertificateContext
CertGetNameStringW
CryptSIPLoad
CryptSIPRetrieveSubjectGuidForCatalogFile

kernel32

GetLocaleInfoW
GetNumberFormatW
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
GetPrivateProfileSectionW
WritePrivateProfileSectionW
MultiByteToWideChar
DecodePointer
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
RaiseException
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
WaitForSingleObject
GetCurrentThread
SetThreadPriority
SetEvent
WaitForMultipleObjects
CreateEventW
CreateThread
GetExitCodeThread
GetComputerNameW
LoadLibraryA
TlsFree
SetUnhandledExceptionFilter
UnhandledExceptionFilter
SetLastError
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
GetCommandLineA
GetCurrentThreadId
ResumeThread
SetStdHandle
SetConsoleMode
ReadConsoleInputA
GetConsoleMode
WideCharToMultiByte
GetModuleHandleExW
ExitProcess
EncodePointer
IsProcessorFeaturePresent
IsDebuggerPresent
RtlUnwind
FlushFileBuffers
GetConsoleCP
GetStringTypeW
GetModuleFileNameA
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
MoveFileW
DeleteFileW
SetFileAttributesW
GetFullPathNameW
RemoveDirectoryW
CreateDirectoryW
GetWindowsDirectoryW
GetTempFileNameW
GetTempPathW
LCMapStringW
SetFilePointerEx
WriteConsoleW
ReadConsoleW
SetEndOfFile
WritePrivateProfileStringW
GetPrivateProfileStringW
WriteProfileStringW
GetProfileStringW
OutputDebugStringW
ExpandEnvironmentStringsW
SetEnvironmentVariableW
CreateProcessW
LoadLibraryExW
CreateSemaphoreW
TlsSetValue
TlsAlloc
lstrlenW
lstrcatW
GetTickCount
GetFileTime
WriteFile
GetFileSize
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
SetErrorMode
ExitThread
TerminateProcess
GetCurrentProcess
OpenProcess
GlobalUnlock
GlobalLock
GlobalAlloc
GetVersion
FreeLibrary
TlsGetValue
GetModuleFileNameW
GetCommandLineW
GetStdHandle
GetFileType
LocalFree
LocalAlloc
GetDateFormatW
GetTimeFormatW
GetModuleHandleW
FormatMessageW
FileTimeToSystemTime
FileTimeToLocalFileTime
MulDiv
ReadFile
InterlockedIncrement
FindNextFileW
FindFirstFileW
GetFileAttributesW
CreateFileW
LoadLibraryW
FindClose
Sleep
GetLastError
GetProcAddress
InterlockedDecrement
CreateFileMappingW
UnmapViewOfFile
MapViewOfFile
CloseHandle
GetFileSizeEx
lstrlenA
ExpandEnvironmentStringsA
GetStartupInfoW

user32

FindWindowW
EnumChildWindows
SetParent
GetParent
SetWindowLongW
GetWindowLongW
PtInRect
OffsetRect
UnionRect
IntersectRect
GetSysColor
ChildWindowFromPoint
MapWindowPoints
ScreenToClient
ClientToScreen
GetCursorPos
GetWindowRect
GetClientRect
GetWindowTextW
GetPropW
SetPropW
InvalidateRgn
InvalidateRect
EndPaint
FindWindowExW
ReleaseDC
SetForegroundWindow
DrawTextW
SetMenuItemInfoW
TrackPopupMenu
DeleteMenu
ModifyMenuW
InsertMenuW
GetSubMenu
GetClassNameW
GetWindowThreadProcessId
LoadIconW
DestroyIcon
LoadImageW
DrawIconEx
CreateIconIndirect
GetIconInfo
LoadStringW
EnableMenuItem
CheckMenuItem
DrawMenuBar
GetMenu
GetSystemMetrics
TranslateAcceleratorW
LoadAcceleratorsW
EnableWindow
KillTimer
SetTimer
ReleaseCapture
GetFocus
SetFocus
EmptyClipboard
SetClipboardData
CloseClipboard
IsDialogMessageW
EnumDisplaySettingsW
BeginPaint
OpenClipboard
IsDlgButtonChecked
CheckDlgButton
GetDlgItemTextW
SetDlgItemTextW
DialogBoxParamW
CreateDialogParamW
IsZoomed
IsIconic
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPos
MoveWindow
ShowWindow
DestroyWindow
CreateWindowExW
RegisterClassExW
CallWindowProcW
PostQuitMessage
DefWindowProcW
WaitForInputIdle
PostMessageW
DispatchMessageW
TranslateMessage
GetMessageW
DrawFrameControl
RegisterWindowMessageW
LoadCursorW
InflateRect
GetSysColorBrush
SetCursor
SetWindowTextW
GetDlgItem
EndDialog
DialogBoxIndirectParamW
SendMessageW
MessageBoxW
GetDC

gdi32

CreateFontIndirectW
CreateSolidBrush
DeleteObject
GetStockObject
GetTextExtentPoint32W
SetTextColor
SelectObject
EndPage
StartPage
EndDoc
StartDocW
SetMapMode
GetDeviceCaps
DeleteDC
GetTextMetricsW
GetObjectW
ExtTextOutW
GetDIBits
CreateDIBSection
GdiFlush
SetBkColor
CreateCompatibleDC
SetBkMode

comdlg32

ChooseFontW
PrintDlgW
GetSaveFileNameW
FindTextW
CommDlgExtendedError
GetOpenFileNameW

advapi32

CloseServiceHandle
AdjustTokenPrivileges
GetTokenInformation
OpenProcessToken
RevertToSelf
RegOpenKeyW
RegCreateKeyW
RegSetValueExW
RegDeleteValueW
RegCreateKeyExW
OpenServiceW
OpenSCManagerW
RegOpenKeyExA
RegQueryValueExA
DeleteService
RegQueryValueW
RegUnLoadKeyW
RegSetValueW
RegSetKeySecurity
RegQueryInfoKeyW
RegLoadKeyW
RegGetKeySecurity
RegEnumValueW
RegEnumKeyW
RegDeleteKeyW
DuplicateTokenEx
ImpersonateLoggedOnUser
LookupPrivilegeValueW
LookupAccountNameW
LookupAccountSidW
FreeSid
AllocateAndInitializeSid
RegQueryValueExW
CryptAcquireContextW
CryptReleaseContext
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
RegCloseKey
RegOpenKeyExW
EqualSid

shell32

SHChangeNotify
CommandLineToArgvW
ShellExecuteExW
SHGetMalloc
SHGetFileInfoW
ShellExecuteW
SHBrowseForFolderW
SHGetPathFromIDListW

ole32

CoInitializeEx
CoCreateInstance
CoMarshalInterThreadInterfaceInStream
CoGetInterfaceAndReleaseStream
CoUninitialize
CoTaskMemFree

oleaut32

SysAllocString
SysFreeString
VariantClear
SysStringLen
SysAllocStringByteLen
VariantInit
VariantChangeType

shlwapi

SHCreateStreamOnFileW
SHAutoComplete
ord176
UrlUnescapeW

winhttp

WinHttpSendRequest
WinHttpOpenRequest
WinHttpSetOption
WinHttpQueryDataAvailable
WinHttpReceiveResponse
WinHttpReadData
WinHttpConnect
WinHttpCloseHandle
WinHttpOpen
WinHttpQueryHeaders
WinHttpGetProxyForUrl
WinHttpWriteData

Sections

.text
Size: 400KB - Virtual size: 400KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 134KB - Virtual size: 134KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 15KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 105KB - Virtual size: 105KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 27KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 512B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

89fb6166114772c2c3b8139facc129c9

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

version

comctl32

crypt32

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

shlwapi

winhttp

Sections

.text Size: 400KB - Virtual size: 400KB

.rdata Size: 134KB - Virtual size: 134KB

.data Size: 15KB - Virtual size: 31KB

.rsrc Size: 105KB - Virtual size: 105KB

.reloc Size: 27KB - Virtual size: 27KB

.data Size: 512B - Virtual size: 512B

.text
Size: 400KB - Virtual size: 400KB

.rdata
Size: 134KB - Virtual size: 134KB

.data
Size: 15KB - Virtual size: 31KB

.rsrc
Size: 105KB - Virtual size: 105KB

.reloc
Size: 27KB - Virtual size: 27KB

.data
Size: 512B - Virtual size: 512B