2025-01-10_ef6c20ca4956e1e46134f39e1a5b523b_bkransomware_floxif

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General

Target

2025-01-10_ef6c20ca4956e1e46134f39e1a5b523b_bkransomware_floxif
Size

2.1MB
MD5

ef6c20ca4956e1e46134f39e1a5b523b
SHA1

ac6bb7032809c3fea7eb4dbd4bc937822aa91b02
SHA256

93f1c632ae2e381531ee4fa2478a25fe70ca456da3310cf5ebf13c11a68c4aa2
SHA512

70528dc7d0c503171ac93059580d406fa1b66142217d5ed3960017782f9b6b2a0e7856a2d5a3269c7d2e9b0d4ba02bfe51860a88831116261fc05430c7927b08
SSDEEP

49152:NyGQYU/Z8+yNvZ9SS8pGDfKsPOGAJ1ixFJgaTnZlDZn1L:NiYU/ryNvH8MDSS1AJ1i1gaTnZl3

Score

1^/10

Malware Config

Signatures

Files

2025-01-10_ef6c20ca4956e1e46134f39e1a5b523b_bkransomware_floxif
.exe windows:5 windows x86 arch:x86

a90e544b54b4f7a958b95dd384941051

Code Sign

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

Issuer

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Not Before

28/07/2020, 00:00

Not After

28/07/2030, 00:00

Subject

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

55:ad:49:a4:41:a2:95:e6:c1:65:ab:d6
Certificate

Issuer

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Not Before

25/08/2021, 05:37

Not After

30/09/2022, 05:46

Subject

SERIALNUMBER=110111-0725064,CN=HANCOM. INC\,,O=HANCOM. INC\,,STREET=49\, Daewangpangyo-ro 644beon-gil\, Bundang-gu,L=Seongnam-si,ST=Gyeonggi-do,C=KR,1.3.6.1.4.1.311.60.2.1.3=#13024b52,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

01:a8:f7:25:76:dc:7b:14:7a:18:63:9e:8d:4d:eb:37
Certificate

Issuer

CN=GlobalSign Timestamping CA - SHA384 - G4,O=GlobalSign nv-sa,C=BE

Not Before

28/01/2021, 11:08

Not After

01/03/2032, 11:08

Subject

CN=Globalsign TSA for CodeSign1 - R6,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

01:ec:1c:92:40:de:fd:2e:40:5d:7c:47:74
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R6,O=GlobalSign

Not Before

20/06/2018, 00:00

Not After

10/12/2034, 00:00

Subject

CN=GlobalSign Timestamping CA - SHA384 - G4,O=GlobalSign nv-sa,C=BE

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

45:e6:bb:03:83:33:c3:85:65:48:e6:ff:45:51
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R6,O=GlobalSign

Not Before

10/12/2014, 00:00

Not After

10/12/2034, 00:00

Subject

CN=GlobalSign,OU=GlobalSign Root CA - R6,O=GlobalSign

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

b1:2b:05:c5:64:71:3b:2c:28:dd:2c:8b:63:fc:5f:d2:3d:0d:20:d7:93:5f:a7:57:09:ee:6a:2a:3b:aa:47:6d
Signer

Actual PE Digest

b1:2b:05:c5:64:71:3b:2c:28:dd:2c:8b:63:fc:5f:d2:3d:0d:20:d7:93:5f:a7:57:09:ee:6a:2a:3b:aa:47:6d

Digest Algorithm

sha256

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:\HncUtils\install\HOffice120\Setup\Release_Hwp\Setup_Hwp.pdb

Imports

kernel32

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

user32

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

gdi32

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

msimg32

AlphaBlend
TransparentBlt

winspool.drv

ClosePrinter
OpenPrinterW
DocumentPropertiesW

advapi32

RegDeleteKeyW
RegQueryValueExW
RegEnumKeyExW
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegCreateKeyExW
CheckTokenMembership
CreateWellKnownSid
GetTokenInformation
RegCloseKey
AdjustTokenPrivileges
LookupPrivilegeValueW
OpenProcessToken
RegOpenKeyW
RegDeleteValueW
RegCreateKeyW
RegSetValueExW
RegOpenKeyExW

shell32

SHGetDesktopFolder
ShellExecuteExW
ord680
DragQueryFileW
DragFinish
SHAppBarMessage
SHGetMalloc
ShellExecuteW
SHGetFileInfoW
SHGetFolderPathW
SHBrowseForFolderW
SHGetSpecialFolderLocation
SHGetPathFromIDListW

comctl32

ImageList_SetBkColor
ImageList_GetBkColor
ImageList_GetImageInfo

shlwapi

PathRemoveFileSpecW
PathFindExtensionW
PathFindFileNameW
PathIsUNCW
PathStripToRootW
PathFileExistsW
StrFormatKBSizeW

uxtheme

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

ole32

OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc
ReleaseStgMedium
CoUninitialize
CoCreateGuid
CoCreateInstance
CoInitialize
CoDisconnectObject
CreateStreamOnHGlobal
DoDragDrop
OleGetClipboard
OleLockRunning
RevokeDragDrop
RegisterDragDrop
CoLockObjectExternal
IsAccelerator
OleTranslateAccelerator
OleDestroyMenuDescriptor
OleCreateMenuDescriptor
CoInitializeEx

oleaut32

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

gdiplus

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

msi

ord92
ord32
ord159
ord160
ord118
ord7
ord70
ord78
ord150
ord8

oleacc

CreateStdAccessibleObject
AccessibleObjectFromWindow
LresultFromObject

imm32

ImmGetOpenStatus
ImmReleaseContext
ImmGetContext

winmm

PlaySoundW

Sections

.text
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 332KB - Virtual size: 331KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 24KB - Virtual size: 67KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 184KB - Virtual size: 183KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 120KB - Virtual size: 119KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a90e544b54b4f7a958b95dd384941051

Code Sign

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:edCertificate

Extended Key Usages

Key Usages

55:ad:49:a4:41:a2:95:e6:c1:65:ab:d6Certificate

Extended Key Usages

Key Usages

01:a8:f7:25:76:dc:7b:14:7a:18:63:9e:8d:4d:eb:37Certificate

Extended Key Usages

Key Usages

01:ec:1c:92:40:de:fd:2e:40:5d:7c:47:74Certificate

Key Usages

45:e6:bb:03:83:33:c3:85:65:48:e6:ff:45:51Certificate

Key Usages

b1:2b:05:c5:64:71:3b:2c:28:dd:2c:8b:63:fc:5f:d2:3d:0d:20:d7:93:5f:a7:57:09:ee:6a:2a:3b:aa:47:6dSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

uxtheme

ole32

oleaut32

gdiplus

msi

oleacc

imm32

winmm

Sections

.text Size: 1.4MB - Virtual size: 1.4MB

.rdata Size: 332KB - Virtual size: 331KB

.data Size: 24KB - Virtual size: 67KB

.rsrc Size: 184KB - Virtual size: 183KB

.reloc Size: 120KB - Virtual size: 119KB

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

55:ad:49:a4:41:a2:95:e6:c1:65:ab:d6
Certificate

01:a8:f7:25:76:dc:7b:14:7a:18:63:9e:8d:4d:eb:37
Certificate

01:ec:1c:92:40:de:fd:2e:40:5d:7c:47:74
Certificate

45:e6:bb:03:83:33:c3:85:65:48:e6:ff:45:51
Certificate

b1:2b:05:c5:64:71:3b:2c:28:dd:2c:8b:63:fc:5f:d2:3d:0d:20:d7:93:5f:a7:57:09:ee:6a:2a:3b:aa:47:6d
Signer

.text
Size: 1.4MB - Virtual size: 1.4MB

.rdata
Size: 332KB - Virtual size: 331KB

.data
Size: 24KB - Virtual size: 67KB

.rsrc
Size: 184KB - Virtual size: 183KB

.reloc
Size: 120KB - Virtual size: 119KB