2024-04-27_ac1056ca5ced0bb2974305267741dfe9_bkransomware

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General

Target

2024-04-27_ac1056ca5ced0bb2974305267741dfe9_bkransomware
Size

2.0MB
MD5

ac1056ca5ced0bb2974305267741dfe9
SHA1

bf96c9705b5d7a8a439f7505615333ca42cc3530
SHA256

1325b349d50471d907e84c7cf84d6bf26ad7309c0872778e11487ba1cfb06f1a
SHA512

ecb3332916a44bbce74246f5bb1f1d7831f158562a74adc126eeeba08bca348d7f8c962768b12a76815aff503c445f5bcdc33e2d5fbac6b9df59916d65fa3f31
SSDEEP

49152:2c7Zxk80piXXqZsZTI/1CZ+BIaM5hsOxNls1A5eRShzQ:2c7Lkzpinq6TI/1CZFbsOxNls1A5ef

Score

1^/10

Malware Config

Signatures

Files

2024-04-27_ac1056ca5ced0bb2974305267741dfe9_bkransomware
.exe windows:5 windows x86 arch:x86

39680b5563a83ff0429cfd1a2534072f

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

04:00:00:00:00:01:31:89:c6:37:e8
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Not Before

02-08-2011 10:00

Not After

02-08-2019 10:00

Subject

CN=GlobalSign CodeSigning CA - SHA256 - G2,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

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

11:21:58:a6:43:d1:c9:58:50:7a:ab:7f:e8:26:77:2b:fa:60
Certificate

Issuer

CN=GlobalSign CodeSigning CA - SHA256 - G2,O=GlobalSign nv-sa,C=BE

Not Before

17-02-2015 11:45

Not After

12-06-2016 08:20

Subject

CN=SIEN S.A.,O=SIEN S.A.,L=Paris,C=FR,1.2.840.113549.1.9.1=#0c10737570706f7274407369656e2e636f6d

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

2b:aa:34:13:bf:6b:2d:ce:f6:29:2a:26:98:6e:45:bb:82:72:90:c2
Signer

Actual PE Digest

2b:aa:34:13:bf:6b:2d:ce:f6:29:2a:26:98:6e:45:bb:82:72:90:c2

Digest Algorithm

sha1

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

Imports

kernel32

PulseEvent
CreateDirectoryW
lstrlenW
InterlockedDecrement
InterlockedIncrement
CreateFileW
WriteFile
CloseHandle
DeleteFileW
Sleep
GetProcAddress
GetModuleHandleW
CopyFileW
DebugBreak
OutputDebugStringW
lstrlenA
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
RaiseException
GetCommandLineW
HeapReAlloc
HeapAlloc
HeapFree
GetProcessHeap
HeapSize
DecodePointer
MultiByteToWideChar
WideCharToMultiByte
CreateFileA
SetFilePointer
CreateProcessW
WaitForSingleObject
GetExitCodeProcess
GetVersionExW
CreateToolhelp32Snapshot
Process32FirstW
OpenProcess
CreateEventW
Process32NextW
FreeLibrary
lstrcmpiW
LeaveCriticalSection
EnterCriticalSection
SizeofResource
LoadResource
FindResourceW
LoadLibraryExW
GetCurrentThreadId
SetLastError
GetCurrentProcess
FlushInstructionCache
SetEnvironmentVariableW
SetEnvironmentVariableA
WriteConsoleW
LCMapStringW
VirtualFree
UnregisterWaitEx
InitializeSListHead
ReleaseSemaphore
FreeLibraryAndExitThread
GetThreadTimes
SetFilePointerEx
ReadConsoleW
LocalFree
FormatMessageW
LockResource
GlobalFree
GlobalHandle
lstrcmpW
GetCurrentProcessId
GetModuleFileNameW
TerminateProcess
MulDiv
GlobalAlloc
GlobalLock
GlobalUnlock
GlobalSize
OutputDebugStringA
GetModuleHandleA
LoadLibraryW
InitializeCriticalSection
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GlobalReAlloc
LocalAlloc
LocalReAlloc
lstrcmpA
SetEvent
SetThreadPriority
ResumeThread
GlobalGetAtomNameW
FileTimeToSystemTime
GlobalAddAtomW
FindClose
FindFirstFileW
FlushFileBuffers
GetFileSize
GetFullPathNameW
GetVolumeInformationW
LockFile
ReadFile
SetEndOfFile
UnlockFile
DuplicateHandle
LoadLibraryA
EncodePointer
GetSystemDirectoryW
CompareStringW
GetUserDefaultUILanguage
GlobalFlags
FreeResource
GlobalDeleteAtom
GlobalFindAtomW
GetCurrentThread
FileTimeToLocalFileTime
GetFileAttributesW
GetFileAttributesExW
GetFileSizeEx
GetFileTime
GetLastError
GetCurrentDirectoryW
lstrcpyW
GetWindowsDirectoryW
VerSetConditionMask
VerifyVersionInfoW
GetTempFileNameW
GetTempPathW
GetTickCount
GetProfileIntW
SearchPathW
VirtualProtect
FindResourceExW
GetExitCodeThread
GetSystemTimeAsFileTime
IsDebuggerPresent
IsProcessorFeaturePresent
GetSystemInfo
VirtualAlloc
VirtualQuery
RtlUnwind
CreateThread
ExitThread
HeapQueryInformation
ExitProcess
GetModuleHandleExW
SetStdHandle
GetFileType
CreateTimerQueue
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
WaitForSingleObjectEx
SignalObjectAndWait
SwitchToThread
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
CreateSemaphoreW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetConsoleCP
GetConsoleMode
GetStdHandle
GetStringTypeW
GetEnvironmentStringsW
FreeEnvironmentStringsW
QueryPerformanceCounter
GetTimeZoneInformation

user32

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

gdi32

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

advapi32

RegDeleteValueW
RegCreateKeyExW
RegEnumKeyExW
RegQueryInfoKeyW
RegDeleteKeyW
RegSetValueExA
RegOpenKeyA
RegOpenKeyExW
RegQueryValueExW
RegOpenKeyW
RegCloseKey
RegSetValueExW
RegCreateKeyW

ole32

OleCreateMenuDescriptor
OleDestroyMenuDescriptor
OleTranslateAccelerator
IsAccelerator
DoDragDrop
CoLockObjectExternal
RegisterDragDrop
RevokeDragDrop
CoInitializeEx
CoDisconnectObject
ReleaseStgMedium
OleDuplicateData
CoUninitialize
CoCreateGuid
CoTaskMemFree
CoTaskMemRealloc
CoTaskMemAlloc
CoCreateInstance
CoInitialize
OleUninitialize
StringFromGUID2
OleLockRunning
CreateStreamOnHGlobal
CoGetClassObject
CLSIDFromProgID
CLSIDFromString
OleInitialize
OleGetClipboard

oleaut32

VarBstrFromDate
VariantChangeType
OleCreateFontIndirect
VarUI4FromStr
SysFreeString
VariantTimeToSystemTime
VariantInit
SysStringLen
SysAllocString
VariantClear
SystemTimeToVariantTime
LoadRegTypeLi
LoadTypeLi
SysAllocStringLen
SysAllocStringByteLen
SysStringByteLen
VariantCopy
DispCallFunc

winhttp

WinHttpConnect
WinHttpOpen
WinHttpCloseHandle
WinHttpReadData
WinHttpQueryDataAvailable
WinHttpQueryHeaders
WinHttpSendRequest
WinHttpReceiveResponse
WinHttpOpenRequest

shlwapi

PathFileExistsW
StrFormatKBSizeW
PathFindFileNameW
PathIsUNCW
PathStripToRootW
PathFindExtensionW
PathRemoveFileSpecW

urlmon

URLDownloadToFileW

version

GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW

msimg32

TransparentBlt
AlphaBlend

comctl32

InitCommonControlsEx

uxtheme

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

oleacc

LresultFromObject
AccessibleObjectFromWindow
CreateStdAccessibleObject

gdiplus

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

imm32

ImmReleaseContext
ImmGetContext
ImmGetOpenStatus

winmm

PlaySoundW

winspool.drv

ClosePrinter
DocumentPropertiesW
OpenPrinterW

shell32

DragQueryFileW
SHGetDesktopFolder
SHGetSpecialFolderLocation
SHGetPathFromIDListW
ShellExecuteW
SHGetFileInfoW
DragFinish
SHAppBarMessage
SHBrowseForFolderW

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 32KB - Virtual size: 71KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 28KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 126KB - Virtual size: 125KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

39680b5563a83ff0429cfd1a2534072f

Code Sign

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

Extended Key Usages

Key Usages

04:00:00:00:00:01:31:89:c6:37:e8Certificate

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

11:21:58:a6:43:d1:c9:58:50:7a:ab:7f:e8:26:77:2b:fa:60Certificate

Extended Key Usages

Key Usages

2b:aa:34:13:bf:6b:2d:ce:f6:29:2a:26:98:6e:45:bb:82:72:90:c2Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

ole32

oleaut32

winhttp

shlwapi

urlmon

version

msimg32

comctl32

uxtheme

oleacc

gdiplus

imm32

winmm

winspool.drv

shell32

Sections

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

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

.data Size: 32KB - Virtual size: 71KB

.rsrc Size: 28KB - Virtual size: 27KB

.reloc Size: 126KB - Virtual size: 125KB

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

04:00:00:00:00:01:31:89:c6:37:e8
Certificate

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

11:21:58:a6:43:d1:c9:58:50:7a:ab:7f:e8:26:77:2b:fa:60
Certificate

2b:aa:34:13:bf:6b:2d:ce:f6:29:2a:26:98:6e:45:bb:82:72:90:c2
Signer

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

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

.data
Size: 32KB - Virtual size: 71KB

.rsrc
Size: 28KB - Virtual size: 27KB

.reloc
Size: 126KB - Virtual size: 125KB