2024-06-15_b539d2be4307d7acaaa3311143653a97_bkransomware_floxif

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General

Target

2024-06-15_b539d2be4307d7acaaa3311143653a97_bkransomware_floxif
Size

3.6MB
MD5

b539d2be4307d7acaaa3311143653a97
SHA1

3570f5e4ca5bd31fb6344b4a81a66c0f52eb1e50
SHA256

e13787903bf88ff811c3f5bb28755916ef395072c8cd6fe32d9fb4328771e0cb
SHA512

f38517ab1205ce2c3720f9513a3cc62e4787e1ab9a8354fe1231812138ab9965dd85ff915b1509b7bd6073728927d6aef31769bdae1c751555bf24bf2e0946d0
SSDEEP

98304:gt4aYo4EW0pscuHh3OFuQEfPrzgpkFLOAkGkzdnEVomFHKnPwu:gBBW2v8fPrzgOFLOyomFHKnPwu

Score

1^/10

Malware Config

Signatures

Files

2024-06-15_b539d2be4307d7acaaa3311143653a97_bkransomware_floxif
.exe windows:5 windows x86 arch:x86

70a9198c016b77df7efb27dbc61533f4

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0f:f0:67:d8:01:f7:da:ee:ae:84:2e:9f:e5:f6:10:ea
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

27/07/2015, 00:00

Not After

01/08/2018, 12:00

Subject

CN=ASUSTeK Computer Inc.,O=ASUSTeK Computer Inc.,L=Taipei City,ST=Taipei,C=TW

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22/10/2013, 12:00

Not After

22/10/2028, 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

b2:1f:c9:8f:82:14:3d:f7:1a:2a:6e:84:0f:3e:14:c6:40:6a:a1:e4
Signer

Actual PE Digest

b2:1f:c9:8f:82:14:3d:f7:1a:2a:6e:84:0f:3e:14:c6:40:6a:a1:e4

Digest Algorithm

sha1

PE Digest Matches

false

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

D:\SCD_AutoRun\AsusSetup\Win32\Release\AsusSetup.pdb

Imports

kernel32

GetConsoleCP
GetConsoleMode
ReadConsoleW
SetFilePointerEx
OutputDebugStringW
GetCPInfo
IsValidLocale
EnumSystemLocalesW
WriteConsoleW
SetEnvironmentVariableA
GetOEMCP
GetACP
IsValidCodePage
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetStartupInfoW
GetStdHandle
GetFileType
SetStdHandle
VirtualQuery
VirtualAlloc
GetSystemTimeAsFileTime
HeapQueryInformation
ExitThread
GetSystemDefaultLangID
CreateThread
AreFileApisANSI
GetModuleHandleExW
ExitProcess
RtlUnwind
IsProcessorFeaturePresent
IsDebuggerPresent
GetUserDefaultLCID
FindResourceExW
VirtualProtect
GetTempPathW
GetTimeZoneInformation
GetProfileIntW
SearchPathW
GetFileTime
GetFileSizeEx
GetFileAttributesExW
FileTimeToLocalFileTime
SetErrorMode
GetFileAttributesW
VerifyVersionInfoW
VerSetConditionMask
lstrcmpiW
DuplicateHandle
UnlockFile
SetFilePointer
SetEndOfFile
ReadFile
LockFile
GetVolumeInformationW
GetFullPathNameW
GetFileSize
FlushFileBuffers
FindFirstFileW
FindClose
DeleteFileW
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetLocaleInfoW
CompareStringW
GetCurrentDirectoryW
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GetThreadLocale
GlobalGetAtomNameW
InitializeCriticalSection
GetStringTypeW
GetTempFileNameW
GlobalFlags
GlobalFindAtomW
GetSystemDirectoryW
EncodePointer
CopyFileW
MulDiv
GlobalSize
GlobalUnlock
lstrcpyW
ResumeThread
SuspendThread
SetThreadPriority
CreateEventW
SetEvent
GlobalFree
FreeResource
OutputDebugStringA
SetLastError
GlobalAddAtomW
GetCurrentProcessId
WritePrivateProfileStringW
GetPrivateProfileIntW
GetModuleHandleW
lstrcmpW
GlobalDeleteAtom
GlobalLock
GlobalAlloc
LoadLibraryExW
GetModuleFileNameW
GetCurrentThreadId
GetCurrentThread
LocalFree
FormatMessageW
lstrcpyA
GetWindowsDirectoryW
GetSystemInfo
SetFileAttributesA
SearchPathA
CreateFileW
SizeofResource
WideCharToMultiByte
WriteFile
lstrlenA
GetFileAttributesA
GetWindowsDirectoryA
Process32NextW
LockResource
Process32FirstW
LoadLibraryW
LoadResource
FindResourceW
Sleep
OpenProcess
GetTickCount
lstrcmpA
lstrlenW
FileTimeToSystemTime
DeleteCriticalSection
DecodePointer
EnterCriticalSection
HeapSize
RaiseException
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
GetProcessHeap
HeapFree
HeapAlloc
HeapReAlloc
GetCommandLineW
GetModuleHandleA
CloseHandle
LoadLibraryA
GetProcAddress
GetLastError
CreateProcessA
GetVersionExW
WaitForSingleObject
GetCurrentProcess
FreeLibrary
GetPrivateProfileSectionA
GetPrivateProfileSectionNamesA
GetModuleFileNameA
WritePrivateProfileStringA
GetPrivateProfileStringA
MultiByteToWideChar
GetPrivateProfileIntA
GetPrivateProfileStringW
LCMapStringW

user32

CloseClipboard
OpenClipboard
SetParent
EnumDisplayMonitors
SetLayeredWindowAttributes
MonitorFromPoint
UnionRect
EnableScrollBar
DestroyMenu
UpdateLayeredWindow
IsMenu
SetMenuDefaultItem
GetMenuDefaultItem
GetMenuItemInfoW
CreatePopupMenu
NotifyWinEvent
IntersectRect
SetRectEmpty
MessageBeep
GetSystemMenu
GetAsyncKeyState
IsZoomed
TrackMouseEvent
CharUpperW
DestroyIcon
WindowFromPoint
ReleaseCapture
SetCapture
WaitMessage
KillTimer
SetTimer
DeleteMenu
SystemParametersInfoW
CopyImage
LoadCursorW
RealChildWindowFromPoint
IsDialogMessageW
SetWindowTextW
CheckDlgButton
MoveWindow
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
SetScrollInfo
GetTopWindow
GetClassLongW
SetWindowLongW
EqualRect
CopyRect
AdjustWindowRectEx
GetWindowTextLengthW
GetWindowTextW
RemovePropW
GetPropW
SetPropW
ShowScrollBar
GetScrollRange
SetScrollRange
GetScrollPos
SetScrollPos
ScrollWindow
SetForegroundWindow
GetForegroundWindow
SetClipboardData
SetMenu
GetKeyboardLayout
GetCapture
SetFocus
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
IsChild
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
CallWindowProcW
DefWindowProcW
GetMessageTime
GetMessagePos
InvalidateRect
UpdateWindow
EndPaint
BeginPaint
ReleaseDC
GetWindowDC
GetDC
TabbedTextOutW
GrayStringW
DrawTextExW
DrawTextW
RemoveMenu
AppendMenuW
InsertMenuW
GetMenuItemCount
GetMenuItemID
GetSubMenu
GetMenuState
GetMenuStringW
SetActiveWindow
GetNextDlgTabItem
GetDlgItem
EndDialog
CreateDialogIndirectParamW
DestroyWindow
ValidateRect
GetKeyState
GetActiveWindow
TranslateMessage
GetMessageW
MapDialogRect
SetWindowContextHelpId
DrawIconEx
IsRectEmpty
OffsetRect
InflateRect
FillRect
DrawFocusRect
GetSysColorBrush
GetSysColor
MapWindowPoints
RedrawWindow
SetWindowRgn
DrawStateW
IsWindowVisible
DrawFrameControl
DrawEdge
RegisterWindowMessageW
CallNextHookEx
UnhookWindowsHookEx
SetWindowsHookExW
PtInRect
ScreenToClient
EmptyClipboard
LoadImageW
SetCursorPos
SetRect
BringWindowToTop
LockWindowUpdate
GetDoubleClickTime
GetIconInfo
CopyIcon
ModifyMenuW
DestroyAcceleratorTable
SetClassLongW
CharNextW
CopyAcceleratorTableW
InvalidateRgn
GetNextDlgGroupItem
SendDlgItemMessageA
GetUpdateRect
ClientToScreen
GetCursorPos
LoadAcceleratorsW
TranslateAcceleratorW
InsertMenuItemW
UnpackDDElParam
ReuseDDElParam
RegisterClipboardFormatW
CharUpperBuffW
TrackPopupMenu
ToUnicodeEx
GetLastActivePopup
GetWindowLongW
IsWindowEnabled
GetKeyboardState
MapVirtualKeyW
CreateAcceleratorTableW
FrameRect
PostThreadMessageW
GetKeyNameTextW
SubtractRect
IsClipboardFormatAvailable
IsCharLowerW
MapVirtualKeyExW
DrawMenuBar
InvertRect
HideCaret
GetWindowRgn
CreateMenu
DestroyCursor
GetComboBoxInfo
TranslateMDISysAccel
DefMDIChildProcW
GetMenu
DefFrameProcW
SetCursor
ShowOwnedPopups
PostQuitMessage
LoadBitmapW
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
GetFocus
wsprintfW
MessageBoxW
SetWindowPos
SetDlgItemTextW
GetWindowRect
GetParent
FindWindowW
EnumWindows
GetClassNameW
EnumChildWindows
ShowWindow
IsWindow
GetDlgCtrlID
GetClassNameA
RegisterWindowMessageA
GetWindowTextA
MessageBoxA
PeekMessageW
GetDesktopWindow
GetWindowThreadProcessId
GetWindow
DispatchMessageW
IsIconic
PostMessageW
DrawIcon
GetClientRect
LoadIconW
GetSystemMetrics
SendMessageW
EnableWindow
UnregisterClassW
LoadMenuW

gdi32

CreateRoundRectRgn
CreateCompatibleBitmap
CreateDIBSection
CreateFontIndirectW
GetMapMode
SetRectRgn
DPtoLP
CreateDIBitmap
EnumFontFamiliesW
GetTextCharsetInfo
RealizePalette
SetPixel
StretchBlt
SetDIBColorTable
Rectangle
GetRgnBox
OffsetRgn
RoundRect
CreatePalette
GetPaletteEntries
GetNearestPaletteIndex
GetSystemPaletteEntries
ExtFloodFill
ScaleWindowExtEx
EnumFontFamiliesExW
FillRgn
FrameRgn
GetBoundsRect
PtInRegion
GetViewportOrgEx
LPtoDP
GetWindowOrgEx
SetPixelV
GetTextFaceW
SelectPalette
SelectObject
ExtSelectClipRgn
SelectClipRgn
ScaleViewportExtEx
OffsetWindowOrgEx
OffsetViewportOrgEx
SetWindowOrgEx
SetWindowExtEx
SetViewportOrgEx
SetViewportExtEx
TextOutW
MoveToEx
GetObjectW
SetTextAlign
SetBkColor
SetTextColor
SetROP2
SetPolyFillMode
GetLayout
SetLayout
SetMapMode
SetPaletteEntries
DeleteDC
SaveDC
RestoreDC
RectVisible
PtVisible
LineTo
IntersectClipRect
GetWindowExtEx
GetViewportExtEx
GetStockObject
GetPixel
GetObjectType
GetClipBox
ExcludeClipRect
Escape
DeleteObject
CreatePatternBrush
CreatePen
CreateCompatibleDC
BitBlt
GetTextMetricsW
GetDeviceCaps
CreateDCW
CopyMetaFileW
Polyline
Polygon
CreatePolygonRgn
ExtTextOutW
PatBlt
GetTextExtentPoint32W
GetTextColor
GetBkColor
Ellipse
CreateSolidBrush
CreateRectRgnIndirect
CreateRectRgn
CreateHatchBrush
CreateEllipticRgn
CombineRgn
CreateBitmap
SetBkMode

msimg32

AlphaBlend
TransparentBlt

winspool.drv

DocumentPropertiesW
OpenPrinterW
ClosePrinter

advapi32

RegQueryValueExW
RegEnumKeyExW
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegSetValueExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegOpenKeyExW
GetLengthSid
AllocateAndInitializeSid
DuplicateTokenEx
SetTokenInformation
OpenProcessToken
RegCloseKey
RegQueryInfoKeyA
RegOpenKeyExA
RegEnumKeyExA
RegQueryInfoKeyW
RegQueryValueExA
InitiateSystemShutdownW
AdjustTokenPrivileges
LookupPrivilegeValueW

shell32

SHAppBarMessage
ShellExecuteExA
SHFileOperationA
SHGetMalloc
SHGetPathFromIDListW
SHGetSpecialFolderLocation
SHBrowseForFolderW
DragFinish
DragQueryFileW
ShellExecuteW
SHGetFileInfoW
SHGetDesktopFolder

comctl32

InitCommonControlsEx

shlwapi

PathFileExistsW
PathFileExistsA
PathFindExtensionW
PathFindFileNameW
PathIsUNCW
PathStripToRootW
PathRemoveFileSpecW
StrFormatKBSizeW

uxtheme

GetThemeSysColor
IsThemeBackgroundPartiallyTransparent
GetThemePartSize
GetWindowTheme
DrawThemeText
OpenThemeData
CloseThemeData
DrawThemeBackground
DrawThemeParentBackground
GetThemeColor
GetCurrentThemeName
IsAppThemed

ole32

CreateILockBytesOnHGlobal
StgOpenStorageOnILockBytes
StgCreateDocfileOnILockBytes
CoGetClassObject
CreateStreamOnHGlobal
CoDisconnectObject
ReleaseStgMedium
DoDragDrop
OleGetClipboard
CoLockObjectExternal
RegisterDragDrop
RevokeDragDrop
OleLockRunning
CoFreeUnusedLibraries
OleInitialize
OleUninitialize
OleCreateMenuDescriptor
OleDestroyMenuDescriptor
OleTranslateAccelerator
IsAccelerator
OleFlushClipboard
OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc
CLSIDFromProgID
CoInitialize
CoCreateInstance
CoCreateGuid
CLSIDFromString
CoInitializeEx
CoUninitialize
OleIsCurrentClipboard
CoRegisterMessageFilter
CoRevokeClassObject

oleaut32

SysFreeString
LoadTypeLi
OleCreateFontIndirect
VarBstrFromDate
VariantCopy
SafeArrayDestroy
VariantTimeToSystemTime
SystemTimeToVariantTime
SysStringLen
VariantChangeType
VariantClear
VariantInit
SysAllocStringLen
SysAllocString

oledlg

OleUIBusyW

gdiplus

GdipDrawImageRectI
GdipSetInterpolationMode
GdipCreateFromHDC
GdipCreateBitmapFromHBITMAP
GdipDrawImageI
GdipDeleteGraphics
GdipBitmapUnlockBits
GdipBitmapLockBits
GdipCreateBitmapFromScan0
GdipCreateBitmapFromStream
GdipGetImagePaletteSize
GdipGetImagePalette
GdipGetImagePixelFormat
GdipGetImageHeight
GdipGetImageWidth
GdipGetImageGraphicsContext
GdipDisposeImage
GdipCloneImage
GdiplusStartup
GdipFree
GdipAlloc
GdiplusShutdown

setupapi

SetupDiGetDeviceRegistryPropertyW
SetupDiDestroyDeviceInfoList
SetupDiEnumDeviceInfo
CM_Reenumerate_DevNode_Ex
SetupDiGetClassDevsW
SetupGetStringFieldA
SetupFindFirstLineA
SetupCloseInfFile
SetupGetMultiSzFieldA
SetupOpenInfFileA
SetupFindNextLine
CM_Locate_DevNode_ExW

psapi

GetModuleBaseNameA
EnumProcesses
EnumProcessModules

userenv

CreateEnvironmentBlock

newdev

UpdateDriverForPlugAndPlayDevicesA

oleacc

CreateStdAccessibleObject
AccessibleObjectFromWindow
LresultFromObject

imm32

ImmReleaseContext
ImmGetContext
ImmGetOpenStatus

winmm

PlaySoundW

Sections

.text
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 353KB - Virtual size: 352KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 28KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1.6MB - Virtual size: 1.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 125KB - Virtual size: 125KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

70a9198c016b77df7efb27dbc61533f4

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

0f:f0:67:d8:01:f7:da:ee:ae:84:2e:9f:e5:f6:10:eaCertificate

Extended Key Usages

Key Usages

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

b2:1f:c9:8f:82:14:3d:f7:1a:2a:6e:84:0f:3e:14:c6:40:6a:a1:e4Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

uxtheme

ole32

oleaut32

oledlg

gdiplus

setupapi

psapi

userenv

newdev

oleacc

imm32

winmm

Sections

.text Size: 1.5MB - Virtual size: 1.5MB

.rdata Size: 353KB - Virtual size: 352KB

.data Size: 28KB - Virtual size: 58KB

.rsrc Size: 1.6MB - Virtual size: 1.6MB

.reloc Size: 125KB - Virtual size: 125KB

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

0f:f0:67:d8:01:f7:da:ee:ae:84:2e:9f:e5:f6:10:ea
Certificate

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

b2:1f:c9:8f:82:14:3d:f7:1a:2a:6e:84:0f:3e:14:c6:40:6a:a1:e4
Signer

.text
Size: 1.5MB - Virtual size: 1.5MB

.rdata
Size: 353KB - Virtual size: 352KB

.data
Size: 28KB - Virtual size: 58KB

.rsrc
Size: 1.6MB - Virtual size: 1.6MB

.reloc
Size: 125KB - Virtual size: 125KB