2024-06-03_66d3d08d55acd684a00831835e4a16ca_bkransomware

Sharing

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General

Target

2024-06-03_66d3d08d55acd684a00831835e4a16ca_bkransomware
Size

4.3MB
MD5

66d3d08d55acd684a00831835e4a16ca
SHA1

d1c7c87abd72b887cd49ae7c1c72b180d769cbdb
SHA256

2d8f4bec60ff3238b2e1b4a8d03f74b1f333e64a883ddcb231c3f8fef7d6e251
SHA512

63892d87229846755e6e5617dfd34f7ac83fd55f093cbfce070dc29dcc1104b2542b70a558605d6b91e5cf7bc1fc991e1831da13cc7e9bb3118f89fd54d1b179
SSDEEP

98304:XULdJrOr2UaK0lh7kpnpcPj3VdSX9DG1hiRVlbnP9WXW7H6C:E/Okdmsj3VdfiHBVH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-03_66d3d08d55acd684a00831835e4a16ca_bkransomware

Files

2024-06-03_66d3d08d55acd684a00831835e4a16ca_bkransomware
.exe windows:6 windows x86 arch:x86

b96b6628832cbc2a4ab35643b08bcd53

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

C:\Program Files\Common Files\ArcGIS\bin\ArcGISAdmin.pdb

Imports

arcgisfilehelperlibex

??1CURLTokenManager@ArcGISFileHelperLibEx@@QAE@XZ
?PortalServerSetByAdmin@CURLTokenManager@ArcGISFileHelperLibEx@@QAE_NXZ
?GetTempPathW@EsriOSDir@@YAPB_WXZ
??0CURLTokenManager@ArcGISFileHelperLibEx@@QAE@XZ

netapi32

Netbios

version

GetFileVersionInfoW
GetFileVersionInfoSizeW
VerQueryValueW

ws2_32

inet_ntoa
ntohl
recv
send
socket
gethostbyname
WSAGetLastError
htonl
inet_addr
freeaddrinfo
getnameinfo
getsockopt
__WSAFDIsSet
select
ioctlsocket
setsockopt
htons
connect
closesocket
getaddrinfo
WSAStartup
WSACleanup

iphlpapi

GetAdaptersInfo

dhcpcsvc

DhcpRequestParams

kernel32

GetWindowsDirectoryW
FileTimeToLocalFileTime
GetFileAttributesW
GetFileAttributesExW
GetFileSizeEx
GetFileTime
lstrcpyW
GetTempFileNameW
GetUserDefaultLCID
VerSetConditionMask
VerifyVersionInfoW
GetProfileIntW
SearchPathW
VirtualProtect
FindResourceExW
IsDebuggerPresent
IsProcessorFeaturePresent
GetACP
RtlUnwind
CreateDirectoryW
MoveFileExW
ExitProcess
GetModuleHandleExW
AreFileApisANSI
GetSystemTimeAsFileTime
GetConsoleMode
ReadConsoleW
GetConsoleCP
CreateProcessA
GetFileType
DuplicateHandle
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
CreateThread
ExitThread
GetFullPathNameA
HeapQueryInformation
GetSystemInfo
VirtualQuery
SetStdHandle
GetFullPathNameW
GetStartupInfoW
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsValidCodePage
GetOEMCP
GetCPInfo
GetStringTypeW
GetDateFormatW
GetTimeFormatW
LCMapStringW
WriteConsoleW
GetFileInformationByHandle
PeekNamedPipe
SetEnvironmentVariableA
SetEnvironmentVariableW
OutputDebugStringW
UnlockFile
SetEndOfFile
LockFile
GetVolumeInformationW
FindFirstFileExW
GetCommandLineW
GetLongPathNameW
GetModuleFileNameW
LoadLibraryW
GetLocaleInfoW
SetThreadLocale
GetUserDefaultUILanguage
GetUserDefaultLangID
SetThreadUILanguage
EnumSystemLocalesW
RaiseException
LoadResource
LockResource
SizeofResource
FindResourceW
WideCharToMultiByte
ReadFile
CloseHandle
SetHandleInformation
CreatePipe
GetFileSize
FlushFileBuffers
DeleteFileW
GetCurrentDirectoryW
lstrcmpiW
GetSystemDefaultUILanguage
CompareStringW
GlobalFlags
GetThreadLocale
FileTimeToSystemTime
GlobalGetAtomNameW
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
CompareStringA
lstrcmpA
GetVersionExW
GetCurrentThread
ResumeThread
SetThreadPriority
GlobalFindAtomW
GlobalAddAtomW
lstrcmpW
GlobalDeleteAtom
LoadLibraryExW
GetStdHandle
GetExitCodeProcess
CreateProcessW
FreeResource
GetSystemDirectoryW
GetCurrentThreadId
EncodePointer
OutputDebugStringA
CopyFileW
MulDiv
GlobalFree
GlobalSize
ExpandEnvironmentStringsA
LoadLibraryExA
DeviceIoControl
VirtualFree
VirtualAlloc
GetDriveTypeA
GetVolumeInformationA
WriteFile
SleepEx
CreateFileA
WaitNamedPipeA
SetNamedPipeHandleState
InitializeCriticalSection
GetCurrentProcessId
SetEvent
CreateEventA
ResetEvent
Sleep
FindClose
FindNextFileA
FindFirstFileA
GetCurrentProcess
GetProcessTimes
GetTickCount
FormatMessageA
GetTimeZoneInformation
GetLocalTime
SetErrorMode
GetEnvironmentVariableA
CreateMutexA
WaitForSingleObject
ReleaseMutex
GetModuleHandleA
GetWindowsDirectoryA
LoadLibraryA
FreeLibrary
GetEnvironmentStrings
lstrlenA
FreeEnvironmentStringsA
GetVersion
GetVersionExA
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
DecodePointer
SetFileAttributesW
SetFilePointer
CreateFileW
SetFilePointerEx
GlobalUnlock
GlobalLock
GlobalAlloc
GetTempPathW
IsValidLocale
FindNextFileW
FindFirstFileW
GetComputerNameW
FindResourceA
FormatMessageW
LocalFree
SetLastError
GetLastError
GetEnvironmentVariableW
Process32NextW
Process32FirstW
CreateToolhelp32Snapshot
MultiByteToWideChar
GetProcAddress
GetModuleHandleW

user32

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

gdi32

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

msimg32

AlphaBlend
TransparentBlt

comdlg32

GetSaveFileNameW
GetOpenFileNameA

winspool.drv

ClosePrinter
DocumentPropertiesW
OpenPrinterW

advapi32

QueryServiceStatus
RegOpenKeyExW
RegQueryValueExW
RegCreateKeyW
RegCreateKeyExW
RegDeleteKeyW
RegEnumKeyExW
RegOpenKeyW
RegEnumValueW
RegQueryValueW
RegEnumKeyW
RegQueryInfoKeyA
RegEnumKeyExA
StartServiceA
OpenSCManagerA
OpenServiceA
RegCloseKey
CloseServiceHandle
GetUserNameA
RegEnumValueA
RegDeleteValueA
RegSetValueExA
RegQueryValueExA
RegOpenKeyExA
RegCreateKeyExA
GetUserNameW
RegDeleteValueW
RegSetValueExW

shell32

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

comctl32

ord17
ImageList_AddMasked
ImageList_GetImageCount

shlwapi

PathAppendW
PathCombineW
PathFileExistsW
PathFindExtensionW
PathFindFileNameW
PathIsDirectoryW
PathIsDirectoryEmptyW
PathRemoveFileSpecW
PathRenameExtensionW
PathRemoveBackslashW
PathIsUNCW
PathStripToRootW
StrFormatKBSizeW

uxtheme

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

ole32

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

oleaut32

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

oledlg

OleUIBusyW

gdiplus

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

oleacc

AccessibleObjectFromWindow
LresultFromObject
CreateStdAccessibleObject

imm32

ImmGetContext
ImmReleaseContext
ImmGetOpenStatus

winmm

PlaySoundW

Exports

Exports

?ESRI_HtmlHelp@ESRILocale@@YGPAUHWND__@@PAU2@IK@Z
?ESRI_HtmlHelp@ESRILocale@@YGPAUHWND__@@PAU2@PB_WIK@Z
?ESRI_WinHelp@ESRILocale@@YGHPAUHWND__@@PB_WIK@Z
?GetCountryID@ESRILocale@@YAGXZ
?GetCountryIDString@ESRILocale@@YAPB_WXZ
?GetLangID@ESRILocale@@YAGXZ
?GetLangIDString@ESRILocale@@YAPB_WXZ
?GetLeftToRightMark@ESRILocale@@YA?B_WXZ
?GetLocale@ESRILocale@@YAGXZ
?GetLocaleHelpFile@ESRILocale@@YAPB_WPB_WAAV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@0@Z
?GetUICountryID@ESRILocale@@YAGXZ
?GetUICountryIDString@ESRILocale@@YAPB_WXZ
?GetUILangID@ESRILocale@@YAGXZ
?GetUILangIDString@ESRILocale@@YAPB_WXZ
?GetUILocale@ESRILocale@@YAGXZ
?IsRightToLeft@ESRILocale@@YA_NXZ
?IsRightToLeftLanguage@ESRILocale@@YA_NXZ
?IsRightToLeftUI@ESRILocale@@YA_NXZ
?IsTableRightToLeft@ESRILocale@@YA_NXZ
?LoadLocalizedRes@ESRILocale@@YAPAUHINSTANCE__@@PAU2@@Z
?LoadLocalizedResFromFile@ESRILocale@@YAPAUHINSTANCE__@@PB_W@Z
?SetLocale@ESRILocale@@YAXH@Z
?SetThreadLocale@ESRILocale@@YAXXZ
?SetThreadUILocale@ESRILocale@@YAXXZ
?SetupEXEOverRide@ESRILocale@@YA_NG@Z

Sections

.text
Size: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.textidx
Size: 920KB - Virtual size: 920KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 428KB - Virtual size: 427KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 130KB - Virtual size: 190KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.fnp_dir
Size: 512B - Virtual size: 100B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.fnp_mar
Size: 512B - Virtual size: 1B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 352KB - Virtual size: 352KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 732KB - Virtual size: 736KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

b96b6628832cbc2a4ab35643b08bcd53

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

arcgisfilehelperlibex

netapi32

version

ws2_32

iphlpapi

dhcpcsvc

kernel32

user32

gdi32

msimg32

comdlg32

winspool.drv

advapi32

shell32

comctl32

shlwapi

uxtheme

ole32

oleaut32

oledlg

gdiplus

oleacc

imm32

winmm

Exports

Exports

Sections

.text Size: 1.8MB - Virtual size: 1.8MB

.textidx Size: 920KB - Virtual size: 920KB

.rdata Size: 428KB - Virtual size: 427KB

.data Size: 130KB - Virtual size: 190KB

.fnp_dir Size: 512B - Virtual size: 100B

.fnp_mar Size: 512B - Virtual size: 1B

.rsrc Size: 352KB - Virtual size: 352KB

.reloc Size: 732KB - Virtual size: 736KB

.text
Size: 1.8MB - Virtual size: 1.8MB

.textidx
Size: 920KB - Virtual size: 920KB

.rdata
Size: 428KB - Virtual size: 427KB

.data
Size: 130KB - Virtual size: 190KB

.fnp_dir
Size: 512B - Virtual size: 100B

.fnp_mar
Size: 512B - Virtual size: 1B

.rsrc
Size: 352KB - Virtual size: 352KB

.reloc
Size: 732KB - Virtual size: 736KB