2024-04-30_63cab41c8b6240a8dffd3c23ccaf42ae_bkransomware_floxif

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General

Target

2024-04-30_63cab41c8b6240a8dffd3c23ccaf42ae_bkransomware_floxif
Size

2.0MB
MD5

63cab41c8b6240a8dffd3c23ccaf42ae
SHA1

0ab4427e087389826155814ff591f9554b728fad
SHA256

4653644eb88ade0e46161f482c6bc35a0e306defd50ad7d0a3cc9bf3a058f43a
SHA512

3a46fb34e3a172c1d397228b0411835dfdcf34033e4a9b34266623970f4fabcfc5d962058d4bb44d02da89bd9a73cadb031e660d8802aae888242102407b51a0
SSDEEP

49152:Dk0eo5nJIioHlq+c6gXR92IISNbecXx+DoGf3M7sSZOZVVNa6Zc:Dk25nHoHlq+c6y92IBRecXx+UGf3M7sE

Score

1^/10

Malware Config

Signatures

Files

2024-04-30_63cab41c8b6240a8dffd3c23ccaf42ae_bkransomware_floxif
.exe windows:5 windows x86 arch:x86

c5b6a202b57a8452be9c90f3cc9d8d2b

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

07:7d:2b:6a:b3:ae:1c:4d:9e:62:4e:c8:66:41:c0:11
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

26/09/2023, 00:00

Not After

29/09/2024, 23:59

Subject

SERIALNUMBER=110111-0725064,CN=HANCOM. INC\,,O=HANCOM. INC\,,L=Seongnam-si,ST=Gyeonggi-do,C=KR,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.1=#130b53656f6e676e616d2d7369,1.3.6.1.4.1.311.60.2.1.2=#130b4779656f6e6767692d646f,1.3.6.1.4.1.311.60.2.1.3=#13024b52

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

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

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

a5:86:10:1d:a2:4e:3e:95:d2:ab:84:5d:63:14:1a:fe:2c:50:18:58:cc:e1:53:86:2f:fe:3b:e6:18:ee:5a:94
Signer

Actual PE Digest

a5:86:10:1d:a2:4e:3e:95:d2:ab:84:5d:63:14:1a:fe:2c:50:18:58:cc:e1:53:86:2f:fe:3b:e6:18:ee:5a:94

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:\HOffice130\install\Installer\Setup\Release_KOR\Setup_KOR.pdb

Imports

kernel32

OutputDebugStringW
GetTimeZoneInformation
GetStringTypeW
SetFilePointerEx
ReadConsoleW
GetConsoleMode
GetConsoleCP
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetStartupInfoW
GetStdHandle
GetSystemTimeAsFileTime
SizeofResource
VirtualQuery
VirtualAlloc
GetSystemInfo
HeapQueryInformation
GetFileType
SetStdHandle
ExitThread
CreateThread
RtlUnwind
IsProcessorFeaturePresent
IsDebuggerPresent
GetModuleHandleExW
ExitProcess
GetCommandLineW
WriteConsoleW
QueryPerformanceCounter
SetEnvironmentVariableA
FindResourceExW
VirtualProtect
GetProfileIntW
GetTickCount
GetTempPathW
GetTempFileNameW
SearchPathW
SetErrorMode
GetWindowsDirectoryW
GetFileTime
GetFileSizeEx
GetFileAttributesExW
FileTimeToLocalFileTime
lstrcmpiW
DuplicateHandle
WriteFile
UnlockFile
SetFilePointer
SetEndOfFile
ReadFile
LockFile
GetVolumeInformationW
GetFullPathNameW
FlushFileBuffers
FindClose
GetFileSize
CreateFileW
VerifyVersionInfoW
VerSetConditionMask
DeleteFileW
GetCurrentDirectoryW
LCMapStringW
GetUserDefaultUILanguage
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
DeleteCriticalSection
DecodePointer
EnterCriticalSection
HeapSize
RaiseException
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
GetProcessHeap
HeapFree
HeapAlloc
HeapReAlloc
GetLocalTime
GetFileAttributesW
GetSystemDirectoryW
CloseHandle
GetUserDefaultLCID
GetModuleHandleA
GetProcAddress
GetCurrentProcess
GetExitCodeProcess
GetPrivateProfileIntW
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleFileNameW
Process32NextW
Process32FirstW
CreateToolhelp32Snapshot
Sleep
WaitForSingleObject
WinExec
FindFirstFileW
SetThreadUILanguage
lstrcpyW
LocalFree
FormatMessageW
GetLastError
MultiByteToWideChar
WideCharToMultiByte
FindResourceW
LoadResource
LockResource

user32

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

gdi32

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

msimg32

AlphaBlend
TransparentBlt

winspool.drv

ClosePrinter
OpenPrinterW
DocumentPropertiesW

advapi32

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

shell32

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

shlwapi

PathRemoveFileSpecW
PathFindExtensionW
PathFindFileNameW
PathIsUNCW
PathStripToRootW
PathFileExistsW
StrFormatKBSizeW

uxtheme

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

ole32

ReleaseStgMedium
OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc
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

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

msi

ord92
ord32
ord159
ord160
ord118
ord7
ord8

oleacc

CreateStdAccessibleObject
AccessibleObjectFromWindow
LresultFromObject

imm32

ImmGetOpenStatus
ImmReleaseContext
ImmGetContext

winmm

PlaySoundW

Sections

.text
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 327KB - Virtual size: 326KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 24KB - Virtual size: 65KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 173KB - Virtual size: 172KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 118KB - Virtual size: 117KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c5b6a202b57a8452be9c90f3cc9d8d2b

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

07:7d:2b:6a:b3:ae:1c:4d:9e:62:4e:c8:66:41:c0:11Certificate

Extended Key Usages

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

a5:86:10:1d:a2:4e:3e:95:d2:ab:84:5d:63:14:1a:fe:2c:50:18:58:cc:e1:53:86:2f:fe:3b:e6:18:ee:5a:94Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

shlwapi

uxtheme

ole32

oleaut32

gdiplus

msi

oleacc

imm32

winmm

Sections

.text Size: 1.3MB - Virtual size: 1.3MB

.rdata Size: 327KB - Virtual size: 326KB

.data Size: 24KB - Virtual size: 65KB

.rsrc Size: 173KB - Virtual size: 172KB

.reloc Size: 118KB - Virtual size: 117KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

07:7d:2b:6a:b3:ae:1c:4d:9e:62:4e:c8:66:41:c0:11
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

a5:86:10:1d:a2:4e:3e:95:d2:ab:84:5d:63:14:1a:fe:2c:50:18:58:cc:e1:53:86:2f:fe:3b:e6:18:ee:5a:94
Signer

.text
Size: 1.3MB - Virtual size: 1.3MB

.rdata
Size: 327KB - Virtual size: 326KB

.data
Size: 24KB - Virtual size: 65KB

.rsrc
Size: 173KB - Virtual size: 172KB

.reloc
Size: 118KB - Virtual size: 117KB