2024-09-13_43625abd14356a0b7ef706971cd4b3f3_bkransomware_hijackloader

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General

Target

2024-09-13_43625abd14356a0b7ef706971cd4b3f3_bkransomware_hijackloader
Size

1.8MB
MD5

43625abd14356a0b7ef706971cd4b3f3
SHA1

4de11953746861e2586fce9055f3663fc2cc8d66
SHA256

a34367f38b8e3d20a6d13b0f6926abc895b16c3f069c3a9f3ba8028fefd29688
SHA512

72b812997beff4a6c2ea902dcb3a47e19715d870adcc6c44660708706f49157819c43f4467585c03816a48640ca460fe848e522283f6f931f2983f9f492cec07
SSDEEP

49152:GZ0mJmx7XzXCeVUDFyga8PtwyeAroQkFmrYpIRSdip708whRJ:K0eC3XjVUDFyg5twyHTk4MpUSdip708k

Score

1^/10

Malware Config

Signatures

Files

2024-09-13_43625abd14356a0b7ef706971cd4b3f3_bkransomware_hijackloader
.exe windows:6 windows x86 arch:x86

3503cf4fdc33192dc1254feaacc759c3

Code Sign

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

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

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

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

06:80:a5:57:5a:68:1e:7d:66:c0:ca:b9:ec:93:b5:de
Certificate

Issuer

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

Not Before

24/06/2024, 00:00

Not After

24/06/2027, 23:59

Subject

SERIALNUMBER=110111-1734767,CN=FINALDATA INC.,O=FINALDATA INC.,L=Gangnam District,ST=Seoul,C=KR,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130553656f756c,1.3.6.1.4.1.311.60.2.1.3=#13024b52

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

41:ad:a8:d4:e6:20:85:1b:ce:8f:e0:ed:33:1b:9f:07:a8:c5:01:9e:df:3d:55:af:48:c7:8f:fa:3e:72:43:10
Signer

Actual PE Digest

41:ad:a8:d4:e6:20:85:1b:ce:8f:e0:ed:33:1b:9f:07:a8:c5:01:9e:df:3d:55:af:48:c7:8f:fa:3e:72:43:10

Digest Algorithm

sha256

PE Digest Matches

true

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:\WINSRC\FdEraser\FdEraser\customize\SK건설\RunFdSchedule\Release\svchostm.pdb

Imports

kernel32

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

user32

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

gdi32

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

msimg32

AlphaBlend
TransparentBlt

winspool.drv

ClosePrinter
OpenPrinterW
DocumentPropertiesW

advapi32

RegDeleteKeyW
RegEnumKeyExW
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegDeleteValueW
RegOpenKeyW
RegCreateKeyExW
RegOpenKeyExW
RegSetValueExW
RegCloseKey
RegQueryValueExW

shell32

SHAppBarMessage
DragQueryFileW
DragFinish
SHGetFileInfoW
ShellExecuteW
SHBrowseForFolderW
ShellExecuteExW
SHGetDesktopFolder
SHGetSpecialFolderLocation
SHGetPathFromIDListW

comctl32

InitCommonControlsEx

shlwapi

PathFindFileNameW
PathIsUNCW
PathStripToRootW
StrFormatKBSizeW
PathFindExtensionW
PathRemoveFileSpecW

uxtheme

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

ole32

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

oleaut32

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

oledlg

OleUIBusyW

gdiplus

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

oleacc

CreateStdAccessibleObject
AccessibleObjectFromWindow
LresultFromObject

imm32

ImmReleaseContext
ImmGetContext
ImmGetOpenStatus

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: 324KB - Virtual size: 324KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 26KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 23KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3503cf4fdc33192dc1254feaacc759c3

Code Sign

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

Key Usages

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

Extended Key Usages

Key Usages

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

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

06:80:a5:57:5a:68:1e:7d:66:c0:ca:b9:ec:93:b5:deCertificate

Extended Key Usages

Key Usages

41:ad:a8:d4:e6:20:85:1b:ce:8f:e0:ed:33:1b:9f:07:a8:c5:01:9e:df:3d:55:af:48:c7:8f:fa:3e:72:43:10Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

msimg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

uxtheme

ole32

oleaut32

oledlg

gdiplus

oleacc

imm32

winmm

Sections

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

.rdata Size: 324KB - Virtual size: 324KB

.data Size: 26KB - Virtual size: 55KB

.rsrc Size: 23KB - Virtual size: 22KB

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

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

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

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

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

06:80:a5:57:5a:68:1e:7d:66:c0:ca:b9:ec:93:b5:de
Certificate

41:ad:a8:d4:e6:20:85:1b:ce:8f:e0:ed:33:1b:9f:07:a8:c5:01:9e:df:3d:55:af:48:c7:8f:fa:3e:72:43:10
Signer

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

.rdata
Size: 324KB - Virtual size: 324KB

.data
Size: 26KB - Virtual size: 55KB

.rsrc
Size: 23KB - Virtual size: 22KB

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