iuser[.]dll | Triage

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General

Target

iuser.dll
Size

152KB
MD5

85b1375725843284c7987b6bad170bcc
SHA1

490e87557116cc75167044d18f50af47167df467
SHA256

36f4b8a79035b4df985dbeae8e42312a6ff74d947275ac312d5f2a3fd45b4030
SHA512

7fc14814bc06c176796c0fbab17dd2131859db35f5c53685792d8e1c0b2ca3da16af017df20b0f035ef44a10bb92c5a556e26ed1a37f16bf3ad3e7212f74d02c
SSDEEP

3072:QUJ07LpRZLzwIWBmSoAExjbctb7gnWwJfc/UNU:R0RHzMBm8tbV8

Score

1^/10

Malware Config

Signatures

Files

iuser.dll
.dll regsvr32 windows x86

ed67065e5e9b57547897a7e97c585c27

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

InitializeCriticalSection
DisableThreadLibraryCalls
lstrcmpiA
LoadResource
HeapDestroy
GetTickCount
FreeLibrary
FindResourceA
FlushInstructionCache
LockResource
GetCurrentProcess
GetCurrentThreadId
InterlockedDecrement
InterlockedIncrement
lstrcatA
GetModuleHandleA
GetModuleFileNameA
GlobalFree
LoadLibraryA
GetProcAddress
GlobalUnlock
GlobalAlloc
GlobalLock
GetShortPathNameA
DeleteCriticalSection
EnterCriticalSection
GetEnvironmentStrings
CloseHandle
FlushFileBuffers
SetFilePointer
SetStdHandle
ReadFile
GetOEMCP
GetACP
GetStringTypeW
GetStringTypeA
GetCPInfo
IsBadCodePtr
IsBadReadPtr
SetUnhandledExceptionFilter
IsBadWritePtr
VirtualAlloc
WriteFile
VirtualFree
HeapCreate
GetVersionExA
GetEnvironmentVariableA
GetEnvironmentStringsW
GetFileAttributesA
FreeEnvironmentStringsW
FreeEnvironmentStringsA
GetStartupInfoA
GetFileType
GetStdHandle
SetHandleCount
LCMapStringW
LCMapStringA
HeapSize
HeapReAlloc
TerminateProcess
ExitProcess
SetLastError
HeapAlloc
TlsGetValue
lstrcpyA
TlsFree
TlsAlloc
TlsSetValue
RaiseException
HeapFree
GetVersion
GetCommandLineA
RtlUnwind
InterlockedExchange
Sleep
GetLastError
LeaveCriticalSection
lstrlenW
WideCharToMultiByte
MultiByteToWideChar
lstrlenA

user32

DestroyWindow
GetDlgCtrlID
GetClassNameA
MessageBeep
IntersectRect
IsIconic
EnumChildWindows
SetWindowRgn
LoadIconA
ScreenToClient
GetWindowRect
FillRect
GetSysColor
GetDlgItem
MoveWindow
SetWindowPos
SetWindowLongA
GetWindowLongA
ReleaseDC
GetDC
IsWindow
SetWindowTextA
ReleaseCapture
SetCursor
LoadCursorA
SetCapture
EnableWindow
GetDesktopWindow
CopyRect
OffsetRect
DrawTextA
wsprintfA
GetDlgItemTextA
GetWindowDC
DefWindowProcA
CreateWindowExA
GetParent
ShowWindow
BeginPaint
EndPaint
SendMessageA
UpdateWindow
GetWindow
SystemParametersInfoA
MapWindowPoints
CreateDialogIndirectParamA
ClientToScreen
SetFocus
SetDlgItemTextA
AppendMenuA
InvalidateRect
DialogBoxParamA
GetSystemMenu
RemoveMenu
LoadStringA
GetClientRect
GetClassInfoExA
RegisterClassExA
GetWindowTextLengthA
GetWindowTextA
CallWindowProcA

gdi32

DeleteObject
CreateRectRgn
TextOutA
SetTextColor
RestoreDC
SelectObject
SaveDC
SetBkMode
CreateFontIndirectA
GetDeviceCaps
CreateSolidBrush
GetStockObject
GetTextExtentPoint32A
Rectangle
DeleteDC
BitBlt
DeleteMetaFile
CreateCompatibleDC
CreateCompatibleBitmap
GetObjectA
EnumFontFamiliesExA

advapi32

RegEnumKeyExA
RegDeleteKeyA
RegOpenKeyExA
RegCreateKeyExA
RegCloseKey
RegSetValueExA

ole32

StringFromCLSID
CoTaskMemFree
ProgIDFromCLSID

oleaut32

SysStringLen
SysReAllocStringLen
GetErrorInfo
CreateErrorInfo
SetErrorInfo
SysFreeString
SysAllocStringLen
LoadRegTypeLi
SysAllocString

winmm

mciSendCommandA
sndPlaySoundA

version

GetFileVersionInfoA
GetFileVersionInfoSizeA
VerQueryValueA

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 96KB - Virtual size: 92KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 16KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 12KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ed67065e5e9b57547897a7e97c585c27

Headers

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

ole32

oleaut32

winmm

version

Exports

Exports

Sections

.text Size: 96KB - Virtual size: 92KB

.rdata Size: 16KB - Virtual size: 15KB

.data Size: 16KB - Virtual size: 20KB

.rsrc Size: 8KB - Virtual size: 6KB

.reloc Size: 12KB - Virtual size: 9KB

.text
Size: 96KB - Virtual size: 92KB

.rdata
Size: 16KB - Virtual size: 15KB

.data
Size: 16KB - Virtual size: 20KB

.rsrc
Size: 8KB - Virtual size: 6KB

.reloc
Size: 12KB - Virtual size: 9KB