RSLHelper_Updater[.]exe

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General

Target

RSLHelper_Updater.exe
Size

9.2MB
MD5

549de931f1855a88f1f1c03e9f58a33d
SHA1

30f9726257f0a06dcfed0efdd45ca76d6e904eff
SHA256

6ed006a170ab96940e374dea050a4a2e46c68c441370a6dc7df6b679512d258f
SHA512

c3dc124cafcb43d2684826c79da77e25de73fd51112c7c57321eb08e7cd790b19cbd44027ed484cf2b928d0eaca0ff31bf0e58a52377371d4222634c0a5bf690
SSDEEP

49152:NhGU6sWHyLNCCpjm+q3iXbfRkuY09vcS8qJIx21d2AoESwzXpIOLOGhRNiAZFkpp:CWXpCNwbxfxRZFIB44

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
RSLHelper_Updater.exe

Files

RSLHelper_Updater.exe
.exe windows:5 windows x64 arch:x64

dedfa0a918bf712239d1882ed61fd305

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

winspool.drv

DocumentPropertiesW
ClosePrinter
OpenPrinterW
GetDefaultPrinterW
EnumPrintersW

comdlg32

FindTextW
ChooseColorW

comctl32

ImageList_GetImageInfo
FlatSB_SetScrollInfo
InitCommonControls
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_DrawIndirect
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
ShellExecuteExW

user32

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

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

oleaut32

SysFreeString
VariantClear
VariantInit
GetErrorInfo
SysReAllocStringLen
SafeArrayCreate
GetActiveObject
SysAllocStringLen
SafeArrayPtrOfIndex
SafeArrayGetUBound
SafeArrayGetLBound
VariantCopy
VariantChangeType

advapi32

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

netapi32

NetWkstaGetInfo
NetApiBufferFree

msvcrt

memcpy
memset

winhttp

WinHttpGetIEProxyConfigForCurrentUser
WinHttpSetTimeouts
WinHttpSetStatusCallback
WinHttpConnect
WinHttpReceiveResponse
WinHttpQueryAuthSchemes
WinHttpGetProxyForUrl
WinHttpReadData
WinHttpCloseHandle
WinHttpQueryHeaders
WinHttpOpenRequest
WinHttpAddRequestHeaders
WinHttpOpen
WinHttpWriteData
WinHttpSetCredentials
WinHttpQueryDataAvailable
WinHttpSetOption
WinHttpSendRequest
WinHttpQueryOption

kernel32

RtlUnwindEx
GetACP
GetStringTypeExW
LocalFree
CloseHandle
GetCurrentProcessId
SizeofResource
VirtualProtect
TerminateThread
QueryPerformanceFrequency
IsDebuggerPresent
FindNextFileW
FlushInstructionCache
GetFullPathNameW
VirtualFree
ExitProcess
HeapAlloc
GetCPInfoExW
GlobalSize
GetSystemTime
WriteProcessMemory
RtlUnwind
GetCPInfo
EnumSystemLocalesW
GetStdHandle
GetTimeZoneInformation
FileTimeToLocalFileTime
GetModuleHandleW
FreeLibrary
TryEnterCriticalSection
HeapDestroy
FileTimeToDosDateTime
ReadFile
GetUserDefaultLCID
GetLastError
GetModuleFileNameW
SetLastError
GlobalAlloc
GlobalUnlock
FindResourceW
CreateThread
CompareStringW
LoadLibraryA
ResetEvent
MulDiv
FreeResource
GetVersion
RaiseException
GlobalAddAtomW
GetSystemTimeAsFileTime
FormatMessageW
SwitchToThread
GetExitCodeThread
OutputDebugStringW
GetCurrentThread
IsBadReadPtr
LoadLibraryExW
LockResource
FileTimeToSystemTime
GetCurrentThreadId
UnhandledExceptionFilter
VirtualQuery
GlobalFindAtomW
VirtualQueryEx
GlobalFree
Sleep
EnterCriticalSection
SetFilePointer
GetStringTypeExA
LoadResource
SuspendThread
GetTickCount
GetFileSize
GetStartupInfoW
GlobalDeleteAtom
GetFileAttributesW
InitializeCriticalSection
GetThreadPriority
GetCurrentProcess
SetThreadPriority
GlobalLock
VirtualAlloc
GetTempPathW
GetSystemInfo
GetCommandLineW
LeaveCriticalSection
GetProcAddress
ResumeThread
GetVersionExW
VerifyVersionInfoW
HeapCreate
LCMapStringW
GetDiskFreeSpaceW
VerSetConditionMask
FindFirstFileW
GetUserDefaultUILanguage
lstrlenW
CompareStringA
QueryPerformanceCounter
SetEndOfFile
lstrcmpW
HeapFree
WideCharToMultiByte
FindClose
MultiByteToWideChar
LoadLibraryW
SetEvent
CreateFileW
GetLocaleInfoW
EnumResourceNamesW
GetEnvironmentVariableW
GetLocalTime
WaitForSingleObject
WriteFile
ExitThread
DeleteCriticalSection
GetDateFormatW
TlsGetValue
SetErrorMode
GetComputerNameW
IsValidLocale
TlsSetValue
CreateDirectoryW
GetSystemDefaultUILanguage
EnumCalendarInfoW
LocalAlloc
CreateEventW
WaitForMultipleObjectsEx
SetThreadLocale
GetThreadLocale

ole32

OleRegEnumVerbs
IsAccelerator
CoCreateInstance
CoUninitialize
IsEqualGUID
CreateStreamOnHGlobal
OleInitialize
ProgIDFromCLSID
OleUninitialize
CoGetClassObject
CoInitialize
CoTaskMemFree
OleDraw
CoTaskMemAlloc
OleSetMenuDescriptor
StringFromCLSID

gdi32

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

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 7.2MB - Virtual size: 7.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 639KB - Virtual size: 639KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 655KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 163B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 668B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 109B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 348KB - Virtual size: 347KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.pdata
Size: 373KB - Virtual size: 372KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 741KB - Virtual size: 741KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

dedfa0a918bf712239d1882ed61fd305

Headers

File Characteristics

Imports

winspool.drv

comdlg32

comctl32

shell32

user32

version

oleaut32

advapi32

netapi32

msvcrt

winhttp

kernel32

ole32

gdi32

Exports

Exports

Sections

.text Size: 7.2MB - Virtual size: 7.2MB

.data Size: 639KB - Virtual size: 639KB

.bss Size: - Virtual size: 655KB

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

.didata Size: 5KB - Virtual size: 5KB

.edata Size: 512B - Virtual size: 163B

.tls Size: - Virtual size: 668B

.rdata Size: 512B - Virtual size: 109B

.reloc Size: 348KB - Virtual size: 347KB

.pdata Size: 373KB - Virtual size: 372KB

.rsrc Size: 741KB - Virtual size: 741KB

.text
Size: 7.2MB - Virtual size: 7.2MB

.data
Size: 639KB - Virtual size: 639KB

.bss
Size: - Virtual size: 655KB

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

.didata
Size: 5KB - Virtual size: 5KB

.edata
Size: 512B - Virtual size: 163B

.tls
Size: - Virtual size: 668B

.rdata
Size: 512B - Virtual size: 109B

.reloc
Size: 348KB - Virtual size: 347KB

.pdata
Size: 373KB - Virtual size: 372KB

.rsrc
Size: 741KB - Virtual size: 741KB