testRkassa[.]exe

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General

Target

testRkassa.exe
Size

5.4MB
MD5

3d0fdb6ef14de0499c267fad14ef8932
SHA1

0864f24890daaa06de943c6721b75a6d8547e99d
SHA256

fe30787b23383f6c60fc8350c10bdec33cb59de36273c11cfd4fa6c71ccaa9b7
SHA512

6ef01cbb1dfa9e56c405dcce2dc3a506d4dbb019f77353aaf5b0ce5b5431bbf130f03a76c993a051fef7919d53a0fefb74b0660a98975d440a60d3d1adbc35d7
SSDEEP

98304:CCjSde3/u+9UrNJ2gvv5OHrpjy/U8OutUEK:Cz0/SBJfZ6u88xnK

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
testRkassa.exe

Files

testRkassa.exe
.exe windows x86

d827c5bf4c08f967807d3736761d2c6e

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Imports

winspool.drv

DocumentPropertiesW
ClosePrinter
OpenPrinterW
GetDefaultPrinterW
EnumPrintersW

comctl32

ImageList_GetImageInfo
FlatSB_SetScrollInfo
ImageList_DragMove
ImageList_Destroy
_TrackMouseEvent
ImageList_DragShowNolock
ImageList_Add
FlatSB_SetScrollProp
ImageList_GetDragImage
ImageList_Create
ImageList_EndDrag
ImageList_DrawEx
ImageList_SetImageCount
FlatSB_GetScrollPos
FlatSB_SetScrollPos
InitializeFlatSB
ImageList_Copy
FlatSB_GetScrollInfo
ImageList_Write
ImageList_SetBkColor
ImageList_GetBkColor
ImageList_BeginDrag
ImageList_GetIcon
ImageList_Replace
ImageList_GetImageCount
ImageList_DragEnter
ImageList_GetIconSize
ImageList_SetIconSize
ImageList_Read
ImageList_DragLeave
ImageList_LoadImageW
ImageList_Draw
ImageList_Remove
ImageList_ReplaceIcon
ImageList_SetOverlayImage

shell32

Shell_NotifyIconW
ShellExecuteW

user32

CopyImage
CreateWindowExW
GetMenuItemInfoW
SetMenuItemInfoW
DefFrameProcW
GetDCEx
PeekMessageW
MonitorFromWindow
GetDlgCtrlID
SetTimer
WindowFromPoint
BeginPaint
RegisterClipboardFormatW
FrameRect
MapVirtualKeyW
OffsetRect
IsWindowUnicode
RegisterWindowMessageW
FillRect
GetMenuStringW
DispatchMessageW
CreateAcceleratorTableW
SendMessageA
DefMDIChildProcW
EnumWindows
GetClassInfoW
GetClassInfoExW
ShowOwnedPopups
GetSystemMenu
GetScrollRange
GetScrollPos
SetScrollPos
GetActiveWindow
SetActiveWindow
DrawEdge
InflateRect
GetKeyboardLayoutList
LoadBitmapW
DrawFocusRect
EnumChildWindows
ReleaseCapture
UnhookWindowsHookEx
LoadCursorW
GetCapture
SetCapture
CreatePopupMenu
ScrollWindow
ShowCaret
GetMenuItemID
GetLastActivePopup
CharLowerBuffW
GetSystemMetrics
SetWindowLongW
PostMessageW
DrawMenuBar
SetParent
IsZoomed
CharUpperBuffW
GetClientRect
IsChild
ClientToScreen
GetClipboardData
SetClipboardData
SetWindowPlacement
IsIconic
CallNextHookEx
GetMonitorInfoW
ShowWindow
CheckMenuItem
CharUpperW
DefWindowProcW
GetForegroundWindow
SetForegroundWindow
GetWindowTextW
EnableWindow
DestroyWindow
IsDialogMessageW
EndMenu
RegisterClassW
CharNextW
GetWindowThreadProcessId
RedrawWindow
GetDC
GetFocus
SetFocus
EndPaint
ReleaseDC
MsgWaitForMultipleObjectsEx
LoadKeyboardLayoutW
GetClassLongW
ActivateKeyboardLayout
GetParent
DrawTextW
SetScrollRange
MonitorFromRect
InsertMenuItemW
PeekMessageA
GetPropW
SetClassLongW
MessageBoxW
MessageBeep
SetPropW
RemovePropW
UpdateWindow
GetSubMenu
MsgWaitForMultipleObjects
DestroyMenu
DestroyIcon
SetWindowsHookExW
EmptyClipboard
IsWindowVisible
CharPrevW
DispatchMessageA
UnregisterClassW
GetTopWindow
SendMessageW
AdjustWindowRectEx
DrawIcon
IsWindow
EnumThreadWindows
InvalidateRect
GetKeyboardState
OemToCharBuffW
DrawFrameControl
ScreenToClient
SetCursor
CreateIcon
CreateMenu
LoadStringW
CharLowerW
SetWindowRgn
SetWindowPos
GetMenuItemCount
RemoveMenu
GetSysColorBrush
GetKeyboardLayoutNameW
GetWindowDC
TranslateMessage
OpenClipboard
DrawTextExW
MapWindowPoints
EnumDisplayMonitors
CallWindowProcW
CloseClipboard
DestroyCursor
GetScrollInfo
SetWindowTextW
GetMessageExtraInfo
EnableScrollBar
GetSysColor
TrackPopupMenu
CopyIcon
DrawIconEx
PostQuitMessage
GetClassNameW
ShowScrollBar
EnableMenuItem
GetIconInfo
GetMessagePos
SetScrollInfo
GetKeyNameTextW
GetDesktopWindow
GetCursorPos
SetCursorPos
HideCaret
GetMenu
GetMenuState
SetMenu
SetRect
GetKeyState
FindWindowExW
MonitorFromPoint
SystemParametersInfoW
LoadIconW
GetCursor
GetWindow
GetWindowLongW
GetWindowRect
InsertMenuW
KillTimer
WaitMessage
IsWindowEnabled
IsDialogMessageA
TranslateMDISysAccel
GetWindowPlacement
FindWindowW
DeleteMenu
GetKeyboardLayout

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

oleaut32

SafeArrayPutElement
GetErrorInfo
VariantInit
VariantClear
SysFreeString
SafeArrayAccessData
SysReAllocStringLen
SafeArrayCreate
SafeArrayGetElement
SysAllocStringLen
SafeArrayUnaccessData
SafeArrayPtrOfIndex
VariantCopy
SafeArrayGetUBound
SafeArrayGetLBound
VariantCopyInd
VariantChangeType

advapi32

RegSetValueExW
RegConnectRegistryW
RegEnumKeyExW
RegLoadKeyW
RegDeleteKeyW
RegOpenKeyExW
RegQueryInfoKeyW
RegUnLoadKeyW
RegSaveKeyW
RegDeleteValueW
RegReplaceKeyW
RegFlushKey
RegEnumValueW
RegQueryValueExW
InitializeSecurityDescriptor
RegCloseKey
RegCreateKeyExW
SetSecurityDescriptorDacl
RegRestoreKeyW

netapi32

NetWkstaGetInfo
NetApiBufferFree

msvcrt

memcpy
memset

kernel32

SetFileAttributesW
SetFileTime
QueryDosDeviceW
GetACP
CloseHandle
LocalFree
GetCurrentProcessId
SizeofResource
VirtualProtect
OpenFileMappingW
QueryPerformanceFrequency
IsDebuggerPresent
FindNextFileW
GetFullPathNameW
VirtualFree
ExitProcess
HeapAlloc
GetCPInfoExW
RtlUnwind
GetCPInfo
EnumSystemLocalesW
GetStdHandle
GetTimeZoneInformation
FileTimeToLocalFileTime
GetModuleHandleW
FreeLibrary
TryEnterCriticalSection
HeapDestroy
FileTimeToDosDateTime
ReadFile
HeapSize
GetLastError
GetModuleFileNameW
SetLastError
GlobalAlloc
GlobalUnlock
FindResourceW
OpenMutexW
CreateThread
CompareStringW
MapViewOfFile
CreateMutexW
LoadLibraryA
GetVolumeInformationW
ResetEvent
OpenEventW
MulDiv
FreeResource
GetDriveTypeW
GetVersion
RaiseException
GlobalAddAtomW
FormatMessageW
SwitchToThread
GetExitCodeThread
GetCurrentThread
GetLogicalDrives
LocalFileTimeToFileTime
GetFileAttributesExW
LoadLibraryExW
LockResource
FileTimeToSystemTime
GetCurrentThreadId
UnhandledExceptionFilter
GlobalFindAtomW
VirtualQuery
VirtualQueryEx
GlobalFree
Sleep
EnterCriticalSection
SetFilePointer
ReleaseMutex
LoadResource
SuspendThread
GetTickCount
WritePrivateProfileStringW
WaitForMultipleObjects
GetFileSize
GlobalDeleteAtom
GetStartupInfoW
GetFileAttributesW
GetCurrentDirectoryW
SetCurrentDirectoryW
InitializeCriticalSection
GetThreadPriority
GetCurrentProcess
SetThreadPriority
GlobalLock
VirtualAlloc
GetSystemInfo
GetCommandLineW
DuplicateHandle
LeaveCriticalSection
GetProcAddress
ResumeThread
GetLogicalDriveStringsW
GetVersionExW
GetModuleHandleA
VerifyVersionInfoW
HeapCreate
GetDiskFreeSpaceW
VerSetConditionMask
FindFirstFileW
GetUserDefaultUILanguage
UnmapViewOfFile
lstrlenW
QueryPerformanceCounter
SetEndOfFile
HeapFree
WideCharToMultiByte
FindClose
MultiByteToWideChar
LoadLibraryW
SetEvent
CreateFileW
GetLocaleInfoW
SystemTimeToFileTime
EnumResourceNamesW
DeleteFileW
GetLocalTime
WaitForSingleObject
WriteFile
CreateFileMappingW
ExitThread
DeleteCriticalSection
GetDateFormatW
TlsGetValue
SetErrorMode
IsValidLocale
TlsSetValue
CreateDirectoryW
GetSystemDefaultUILanguage
EnumCalendarInfoW
LocalAlloc
RemoveDirectoryW
CreateEventW
GetPrivateProfileStringW
WaitForMultipleObjectsEx
GetThreadLocale
SetThreadLocale

wsock32

htons
ntohs
setsockopt
WSAStartup
WSACleanup
listen
gethostname
closesocket
inet_ntoa
socket
recv
ioctlsocket
WSAGetLastError
shutdown
inet_addr
WSACancelAsyncRequest
send
WSAAsyncGetHostByName

gdiplus

GdipFillEllipseI
GdipFillPolygonI
GdipGetHatchForegroundColor
GdipGetPointCount
GdipDrawBezier
GdipCreateMatrix3I
GdipLoadImageFromStream
GdipCreateFont
GdipSetClipPath
GdipCreateLineBrushFromRectI
GdipIsMatrixIdentity
GdipSetSmoothingMode
GdipGetSmoothingMode
GdipResetClip
GdipFillRectangle
GdipFillPath
GdipCreateLineBrushFromRect
GdipAddPathRectangle
GdipDrawString
GdipGetImageGraphicsContext
GdipGetTextureImage
GdipGetMatrixElements
GdipCreateTexture2I
GdipCreateTextureIA
GdipCloneImageAttributes
GdipSetMatrixElements
GdipGetTextureWrapMode
GdipSetImageAttributesThreshold
GdipAddPathPolygon
GdipCombineRegionPath
GdipDeleteFontFamily
GdipSetStringFormatLineAlign
GdipGetStringFormatLineAlign
GdipResetPath
GdipResetImageAttributes
GdipAddPathEllipse
GdipGraphicsClear
GdipAddPathPie
GdipSetWorldTransform
GdipDrawEllipseI
GdipAddPathCurve2I
GdipDeleteRegion
GdipGetGenericFontFamilySerif
GdipLoadImageFromFileICM
GdipSetImageAttributesRemapTable
GdipCreateTexture
GdipDrawLine
GdipCreatePath2
GdipGetPathWorldBounds
GdipCreateHatchBrush
GdipSetLineGammaCorrection
GdipSetPenDashStyle
GdipGetPenDashStyle
GdipDrawPath
GdipLoadImageFromFile
GdipGetPenFillType
GdipDrawRectangle
GdipTranslateTextureTransform
GdipScaleMatrix
GdipSetImageAttributesNoOp
GdipSaveImageToFile
GdipTranslateMatrix
GdipSetTextRenderingHint
GdipGetTextRenderingHint
GdipAddPathLine
GdipDeleteStringFormat
GdipSetImageAttributesToIdentity
GdipSetPenEndCap
GdipGetGenericFontFamilyMonospace
GdipGetImageThumbnail
GdipGetCompositingQuality
GdipSetCompositingQuality
GdipAddPathString
GdipGetImageWidth
GdipTransformMatrixPoints
GdipCreateFromHDC
GdipSetImageAttributesColorKeys
GdipSaveAddImage
GdipCreateSolidFill
GdipGetGenericFontFamilySansSerif
GdipSetImageAttributesOutputChannelColorProfile
GdipSetStringFormatAlign
GdipGetStringFormatAlign
GdipInvertMatrix
GdipGetHatchBackgroundColor
GdipDeletePath
GdipSetImageAttributesGamma
GdipScaleWorldTransform
GdipShearMatrix
GdipCreateFontFamilyFromName
GdipDisposeImageAttributes
GdipIsMatrixInvertible
GdipCreateMatrix2
GdipCreateMatrix3
GdipRotateWorldTransform
GdipCreateRegionRect
GdipSetStringFormatTrimming
GdipGetImageRawFormat
GdipCreateMatrix
GdiplusShutdown
GdipSetLinePresetBlend
GdipScaleTextureTransform
GdipLoadImageFromStreamICM
GdipSetImageAttributesColorMatrix
GdipAddPathRectangleI
GdipGetHatchStyle
GdipCreateStringFormat
GdipCloneMatrix
GdipDrawArc
GdipResetWorldTransform
GdipAlloc
GdipDeleteMatrix
GdipDrawBeziers
GdipRotateTextureTransform
GdipSetClipRegion
GdipMultiplyWorldTransform
GdipClosePathFigure
GdipDrawImageI
GdipAddPathCurve
GdipDrawEllipse
GdipGetPathPoints
GdipAddPathArc
GdipGetStringFormatTrimming
GdipCreateLineBrushFromRectWithAngle
GdipAddPathCurveI
GdipCreatePath
GdipGetPathTypes
GdipAddPathLine2I
GdipCreatePen1
GdipCreatePen2
GdipSetStringFormatHotkeyPrefix
GdipVectorTransformMatrixPoints
GdipCloneStringFormat
GdipGetImageAttributesAdjustedPalette
GdipDeletePen
GdipRotateMatrix
GdipDeleteGraphics
GdipDeleteFont
GdipCreateLineBrushFromRectWithAngleI
GdipFree
GdipCreateTexture2
GdipSetImageAttributesOutputChannel
GdipResetTextureTransform
GdipCreateTextureIAI
GdipReleaseDC
GdipAddPathPolygonI
GdipSetStringFormatFlags
GdipGetStringFormatFlags
GdipGetPenBrushFill
GdipSetPenBrushFill
GdipGetImagePixelFormat
GdipGetStringFormatHotkeyPrefix
GdipTranslateWorldTransform
GdipGetImageHeight
GdipGetDC
GdipSetTextureWrapMode
GdipCreateRegionPath
GdipCreateImageAttributes
GdiplusStartup
GdipDeleteBrush
GdipCombineRegionRegion
GdipCreateLineBrushI
GdipCreateLineBrush
GdipTransformMatrixPointsI
GdipFillPolygon
GdipDrawImageRect
GdipDrawImageRectRect
GdipImageRotateFlip
GdipFillEllipse
GdipAddPathBezier
GdipSaveImageToStream
GdipVectorTransformMatrixPointsI
GdipMultiplyMatrix
GdipMeasureString
GdipDisposeImage
GdipSetImageAttributesWrapMode
GdipFlush
GdipSetClipRect

ole32

IsEqualGUID
OleInitialize
CreateStreamOnHGlobal
OleUninitialize
CoInitialize
CoCreateInstance
CoUninitialize
CoTaskMemFree
CoTaskMemAlloc

gdi32

Pie
SetBkMode
CreateCompatibleBitmap
GetEnhMetaFileHeader
RectVisible
AngleArc
ResizePalette
SetAbortProc
SetTextColor
StretchBlt
RoundRect
RestoreDC
SetRectRgn
GetTextMetricsW
GetWindowOrgEx
CreatePalette
PolyBezierTo
CreateICW
CreateDCW
GetStockObject
CreateSolidBrush
Polygon
MoveToEx
PlayEnhMetaFile
Ellipse
StartPage
GetBitmapBits
StartDocW
AbortDoc
GetSystemPaletteEntries
GetEnhMetaFileBits
GetEnhMetaFilePaletteEntries
CreatePenIndirect
CreateFontIndirectW
PolyBezier
EndDoc
GetObjectW
GetWinMetaFileBits
SetROP2
GetEnhMetaFileDescriptionW
ArcTo
Arc
SelectPalette
ExcludeClipRect
MaskBlt
SetWindowOrgEx
EndPage
DeleteEnhMetaFile
Chord
SetDIBits
SetViewportOrgEx
CreateRectRgn
RealizePalette
SetDIBColorTable
GetDIBColorTable
CreateBrushIndirect
PatBlt
SetEnhMetaFileBits
Rectangle
SaveDC
DeleteDC
FrameRgn
BitBlt
GetDeviceCaps
GetTextExtentPoint32W
GetClipBox
IntersectClipRect
Polyline
CreateBitmap
SetWinMetaFileBits
GetStretchBltMode
CreateDIBitmap
SetStretchBltMode
GetDIBits
CreateDIBSection
LineTo
GetRgnBox
EnumFontsW
CreateHalftonePalette
SelectObject
DeleteObject
ExtFloodFill
UnrealizeObject
CopyEnhMetaFileW
SetBkColor
CreateCompatibleDC
GetBrushOrgEx
GetCurrentPositionEx
GetNearestPaletteIndex
GetTextExtentPointW
ExtTextOutW
SetBrushOrgEx
GetPixel
GdiFlush
SetPixel
EnumFontFamiliesExW
StretchDIBits
GetPaletteEntries

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 3.2MB - Virtual size: 3.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 49KB - Virtual size: 49KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 27KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 152B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 72B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 93B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 287KB - Virtual size: 287KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d827c5bf4c08f967807d3736761d2c6e

Headers

File Characteristics

Imports

winspool.drv

comctl32

shell32

user32

version

oleaut32

advapi32

netapi32

msvcrt

kernel32

wsock32

gdiplus

ole32

gdi32

Exports

Exports

Sections

.text Size: 3.2MB - Virtual size: 3.2MB

.itext Size: 7KB - Virtual size: 7KB

.data Size: 49KB - Virtual size: 49KB

.bss Size: - Virtual size: 27KB

.idata Size: 20KB - Virtual size: 19KB

.didata Size: 3KB - Virtual size: 2KB

.edata Size: 512B - Virtual size: 152B

.tls Size: - Virtual size: 72B

.rdata Size: 512B - Virtual size: 93B

.reloc Size: 287KB - Virtual size: 287KB

.rsrc Size: 1.9MB - Virtual size: 1.9MB

.text
Size: 3.2MB - Virtual size: 3.2MB

.itext
Size: 7KB - Virtual size: 7KB

.data
Size: 49KB - Virtual size: 49KB

.bss
Size: - Virtual size: 27KB

.idata
Size: 20KB - Virtual size: 19KB

.didata
Size: 3KB - Virtual size: 2KB

.edata
Size: 512B - Virtual size: 152B

.tls
Size: - Virtual size: 72B

.rdata
Size: 512B - Virtual size: 93B

.reloc
Size: 287KB - Virtual size: 287KB

.rsrc
Size: 1.9MB - Virtual size: 1.9MB