RSLHelper[.]exe

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General

Target

RSLHelper.exe
Size

65.5MB
MD5

60dd8b6157a48d1885b958ed690d89a3
SHA1

b1ecd083288230f59627e9c565203767361aa39b
SHA256

165391701ea96c02c66c0abf14295c0df14389267196b8fa100127f6243f7ce4
SHA512

8dc1ad71bb90ab44b5153dc77ab7213d358641741fcfb8440b01dd717d05c0bd300296b6e0d0e885ed355fcbb38bac81a2dae16a4b2fcad168b01d85b46e7890
SSDEEP

1572864:h2KXvIpygz3mgKwCKySqSKAgiF42rwPCKUpTKEfas83T+:wJvKwQlALi24bUxKE

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
RSLHelper.exe

Files

RSLHelper.exe
.exe windows:6 windows x64 arch:x64

c2b50f16059f66b7b48641c0f507f99f

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

winmm

sndPlaySoundW
timeGetTime

shlwapi

SHStrDupW

winspool.drv

DocumentPropertiesW
ClosePrinter
OpenPrinterW
GetDefaultPrinterW
EnumPrintersW

comdlg32

FindTextW
ChooseColorW
GetSaveFileNameW
GetOpenFileNameW

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

SHGetSpecialFolderLocation
Shell_NotifyIconW
SHGetSpecialFolderPathW
ShellExecuteExW
SHGetPathFromIDListW
SHGetFileInfoW
SHGetFolderPathW
SHGetMalloc
SHGetDesktopFolder
SHFileOperationW
SHAppBarMessage
ShellExecuteW

user32

CopyImage
MoveWindow
SetMenuItemInfoW
GetMenuItemInfoW
DefFrameProcW
SetCaretPos
GetCaretPos
ScrollWindowEx
GetDlgCtrlID
SetWinEventHook
FrameRect
RegisterWindowMessageW
GetMenuStringW
FillRect
SendMessageA
IsClipboardFormatAvailable
EnumWindows
ShowOwnedPopups
GetClassInfoExW
GetClassInfoW
GetScrollRange
SetActiveWindow
GetActiveWindow
IsMenu
DrawEdge
GetKeyboardLayoutList
LoadBitmapW
EnumChildWindows
GetScrollBarInfo
UnhookWindowsHookEx
SetCapture
GetCapture
CreatePopupMenu
ShowCaret
GetMenuItemID
DestroyCaret
CharLowerBuffW
PostMessageW
IsZoomed
SetParent
DrawMenuBar
GetClientRect
IsChild
IsIconic
CallNextHookEx
ShowWindow
SetForegroundWindow
GetWindowTextW
GetAsyncKeyState
IsDialogMessageW
DestroyWindow
RegisterClassW
EndMenu
CharNextW
GetFocus
GetDC
SetFocus
ReleaseDC
SetScrollRange
DrawTextW
PeekMessageA
TabbedTextOutW
MessageBeep
LockWindowUpdate
RegisterHotKey
RemovePropW
GetSubMenu
DestroyIcon
IsWindowVisible
PtInRect
DispatchMessageA
UnregisterClassW
GetTopWindow
SendMessageW
DragDetect
GetMessageTime
GetComboBoxInfo
GetWindowLongPtrW
SetWindowLongPtrW
CreateMenu
LoadStringW
CharLowerW
SetWindowRgn
SetWindowPos
GetMenuItemCount
GetSysColorBrush
GetWindowDC
DrawTextExW
EnumClipboardFormats
GetScrollInfo
SetWindowTextW
GetMessageExtraInfo
GetSysColor
EnableScrollBar
TrackPopupMenu
DrawIconEx
GetClassNameW
GetMessagePos
GetIconInfo
SetScrollInfo
GetKeyNameTextW
GetDesktopWindow
SetCursorPos
GetCursorPos
SetMenu
GetMenuState
GetMenu
UnregisterHotKey
SetRect
GetKeyState
IsRectEmpty
ValidateRect
IsCharAlphaW
GetCursor
KillTimer
WaitMessage
TranslateMDISysAccel
GetWindowPlacement
CreateIconIndirect
GetMenuItemRect
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
ClientToScreen
SetClipboardData
GetClipboardData
SetWindowPlacement
GetMonitorInfoW
CheckMenuItem
CharUpperW
DefWindowProcW
GetForegroundWindow
EnableWindow
GetWindowThreadProcessId
RedrawWindow
EndPaint
MsgWaitForMultipleObjectsEx
LoadKeyboardLayoutW
ActivateKeyboardLayout
GetParent
CreateCaret
MonitorFromRect
InsertMenuItemW
GetPropW
MessageBoxW
SetPropW
UpdateWindow
MsgWaitForMultipleObjects
DestroyMenu
SetWindowsHookExW
GetDoubleClickTime
EmptyClipboard
GetDlgItem
AdjustWindowRectEx
IsWindow
DrawIcon
EnumThreadWindows
InvalidateRect
SetKeyboardState
GetKeyboardState
ScreenToClient
DrawFrameControl
IsCharAlphaNumericW
BringWindowToTop
SetCursor
CreateIcon
RemoveMenu
SubtractRect
GetKeyboardLayoutNameW
OpenClipboard
TranslateMessage
MapWindowPoints
EnumDisplayMonitors
CallWindowProcW
CountClipboardFormats
CloseClipboard
DestroyCursor
CopyIcon
PostQuitMessage
ShowScrollBar
EnableMenuItem
HideCaret
UnhookWinEvent
FindWindowExW
MonitorFromPoint
LoadIconW
SystemParametersInfoW
GetWindow
GetWindowRect
InsertMenuW
IsWindowEnabled
IsDialogMessageA
FindWindowW
GetKeyboardLayout
DeleteMenu

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

oleaut32

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

netapi32

NetWkstaGetInfo

advapi32

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

msvcrt

log
_endthreadex
strcspn
isupper
_beginthreadex
toupper
memchr
memset
memcpy
memcmp
strrchr
iscntrl
rename
isgraph
isxdigit
islower
tolower
strncmp
qsort
isalpha
isalnum
isprint
memmove
isspace
ispunct

winhttp

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

kernel32

GetFileType
FlushViewOfFile
GetACP
LocalFree
CloseHandle
SizeofResource
GetCurrentProcessId
TerminateThread
IsDebuggerPresent
GetFullPathNameW
FindNextFileW
GlobalSize
GetCPInfoExW
GetSystemTime
WriteProcessMemory
GetTempPathA
EnumSystemLocalesW
CreateWaitableTimerW
GetTimeZoneInformation
FileTimeToLocalFileTime
GetVersionExA
FreeLibrary
SetDllDirectoryW
HeapDestroy
GetDllDirectoryW
GetUserDefaultLCID
GetDiskFreeSpaceA
SetLastError
GetModuleFileNameW
GetLastError
GlobalAlloc
GlobalUnlock
CompareStringW
CreateThread
HeapValidate
LoadLibraryA
CreateMutexW
ResetEvent
GetVolumeInformationW
RaiseException
FormatMessageW
FindFirstChangeNotificationW
GetCurrentThread
HeapReAlloc
CreateFileMappingA
IsBadReadPtr
LoadLibraryExW
FileTimeToSystemTime
VirtualQuery
GlobalFindAtomW
VirtualQueryEx
Sleep
SetFilePointer
FlushFileBuffers
LoadResource
SuspendThread
GetTickCount
HeapCompact
WaitForMultipleObjects
GetFileSize
GetStartupInfoW
GetFileAttributesW
GetThreadPriority
SetThreadPriority
VirtualAlloc
GetSystemInfo
GetTempPathW
LeaveCriticalSection
SetWaitableTimer
TryAcquireSRWLockShared
CancelWaitableTimer
InitializeSRWLock
HeapCreate
VerSetConditionMask
GetDiskFreeSpaceW
GetUserDefaultUILanguage
GetConsoleOutputCP
CompareStringA
WaitForSingleObjectEx
HeapFree
WideCharToMultiByte
FindClose
MultiByteToWideChar
LoadLibraryW
SetEvent
GetLocaleInfoW
FormatMessageA
GetLocalTime
WaitForSingleObject
DeleteCriticalSection
SetErrorMode
GetComputerNameW
IsValidLocale
LocalAlloc
WaitForMultipleObjectsEx
RtlUnwindEx
VirtualProtect
UnlockFile
ReadProcessMemory
QueryPerformanceFrequency
VirtualFree
FlushInstructionCache
GetProcessHeap
HeapAlloc
ExitProcess
GetFileAttributesA
FindNextChangeNotification
GetLongPathNameW
RtlUnwind
GetCPInfo
GetStdHandle
GetModuleHandleW
TryEnterCriticalSection
ReadFile
FileTimeToDosDateTime
AcquireSRWLockShared
HeapSize
CreateRemoteThread
FindResourceW
lstrlenA
LockFileEx
CopyFileW
MapViewOfFile
AreFileApisANSI
MulDiv
CreateFileA
GetVersion
GetDriveTypeW
FreeResource
DeleteFileA
GlobalAddAtomW
GetSystemTimeAsFileTime
OpenProcess
SwitchToThread
GetExitCodeThread
OutputDebugStringW
GetFileAttributesExW
TerminateProcess
LockResource
GetCurrentThreadId
UnhandledExceptionFilter
PeekNamedPipe
GlobalFree
EnterCriticalSection
ReleaseMutex
AcquireSRWLockExclusive
GetFullPathNameA
GlobalDeleteAtom
TryAcquireSRWLockExclusive
GetCurrentDirectoryW
SetCurrentDirectoryW
InitializeCriticalSection
GlobalLock
GetCurrentProcess
GetCommandLineW
ResumeThread
GetProcAddress
VirtualAllocEx
GetVersionExW
VerifyVersionInfoW
GetWindowsDirectoryW
UnlockFileEx
LCMapStringW
FindFirstFileW
LockFile
UnmapViewOfFile
GetConsoleCP
GlobalHandle
lstrlenW
SetEndOfFile
QueryPerformanceCounter
lstrcmpW
CreateMutexA
SystemTimeToFileTime
CreateFileW
EnumResourceNamesW
DeleteFileW
IsDBCSLeadByteEx
FindCloseChangeNotification
ReleaseSRWLockShared
GetEnvironmentVariableW
OutputDebugStringA
WriteFile
ExitThread
CreateNamedPipeW
CreateFileMappingW
TlsGetValue
GetDateFormatW
TlsSetValue
GetSystemDefaultUILanguage
CreateDirectoryW
EnumCalendarInfoW
RemoveDirectoryW
CreateEventW
ReleaseSRWLockExclusive
SetThreadLocale
GetThreadLocale

shfolder

SHGetFolderPathW

ole32

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

gdi32

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

Exports

Exports

__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 15.9MB - Virtual size: 15.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 139KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 24KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 114B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 1KB

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: 651KB - Virtual size: 651KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.pdata
Size: 789KB - Virtual size: 788KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 46.7MB - Virtual size: 46.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c2b50f16059f66b7b48641c0f507f99f

Headers

DLL Characteristics

File Characteristics

Imports

winmm

shlwapi

winspool.drv

comdlg32

comctl32

shell32

user32

version

oleaut32

netapi32

advapi32

msvcrt

winhttp

kernel32

shfolder

ole32

gdi32

Exports

Exports

Sections

.text Size: 15.9MB - Virtual size: 15.9MB

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

.bss Size: - Virtual size: 139KB

.idata Size: 24KB - Virtual size: 24KB

.didata Size: 40KB - Virtual size: 39KB

.edata Size: 512B - Virtual size: 114B

.tls Size: - Virtual size: 1KB

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

.reloc Size: 651KB - Virtual size: 651KB

.pdata Size: 789KB - Virtual size: 788KB

.rsrc Size: 46.7MB - Virtual size: 46.7MB

.text
Size: 15.9MB - Virtual size: 15.9MB

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

.bss
Size: - Virtual size: 139KB

.idata
Size: 24KB - Virtual size: 24KB

.didata
Size: 40KB - Virtual size: 39KB

.edata
Size: 512B - Virtual size: 114B

.tls
Size: - Virtual size: 1KB

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

.reloc
Size: 651KB - Virtual size: 651KB

.pdata
Size: 789KB - Virtual size: 788KB

.rsrc
Size: 46.7MB - Virtual size: 46.7MB