arukoi[.]exe | Triage

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General

Target

arukoi.exe
Size

772KB
MD5

70a9d8eb823cf432dfcd098b1ec8f75a
SHA1

49cfb0b4ff63ca38680c48251a556504767f1f00
SHA256

8e1c5ed642d2104d1e93a3baa63c8fd88848ff0b371949b243171cff99fd5866
SHA512

dda9e3a42009c6c3db272f5c372d0603f69f1352df7aa54ec2876b7594347ff3ca6ff752f9ff1b6eae4d291486521503a6613c385513b0ad69b20b36a44b53da
SSDEEP

12288:u5IV2dlHua3T/Z0YsdaCKv8D9IfP2xEvNfhh8s+7ZtcefAE9ej9u3c3/EDcjtB7V:y5LZYmHJUPxwvFclXy64mY

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
arukoi.exe

Files

arukoi.exe
.exe windows:4 windows x86 arch:x86

f79fed84b87eb9849edaf649f3bfd932

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

winmm

timeGetTime
mmioClose
mmioAscend
mmioSeek
mmioDescend
mmioOpenA

msacm32

acmStreamClose
acmStreamConvert
acmStreamPrepareHeader
acmStreamSize
acmStreamOpen
acmFormatSuggest
acmStreamUnprepareHeader

imm32

ImmGetDefaultIMEWnd

d3d9

Direct3DCreate9

dsound

ord1

kernel32

GetConsoleMode
GetLocaleInfoW
VirtualFree
GlobalFree
GlobalHandle
GlobalAlloc
Sleep
GlobalUnlock
GlobalLock
lstrcmpA
lstrlenA
lstrcpyA
GetLocalTime
lstrcmpiA
GlobalSize
CloseHandle
ReadFile
CreateFileA
GetTickCount
UnhandledExceptionFilter
WaitForSingleObject
CreateProcessA
GetModuleFileNameA
FindClose
FindNextFileA
FindFirstFileA
InitializeCriticalSection
DeleteCriticalSection
SetFilePointer
GetFileSize
WriteFile
DeleteFileA
MoveFileA
LeaveCriticalSection
EnterCriticalSection
MulDiv
lstrcatA
SetCurrentDirectoryA
GetVersionExA
SetPriorityClass
GetCurrentProcess
GetLastError
CreateMutexA
MultiByteToWideChar
GetProcAddress
LoadLibraryA
FreeLibrary
TerminateThread
ExitThread
SetThreadPriority
CreateThread
SetEvent
CreateEventA
ResetEvent
CompareFileTime
GetFileTime
QueryPerformanceCounter
FileTimeToLocalFileTime
CopyFileA
LocalFree
FormatMessageA
GetFullPathNameA
WideCharToMultiByte
GetModuleHandleA
MapViewOfFile
CreateFileMappingA
CreateFileW
UnmapViewOfFile
HeapCreate
HeapDestroy
GetFileType
SetHandleCount
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
GetStdHandle
ExitProcess
HeapSize
LCMapStringW
LCMapStringA
IsValidCodePage
GetOEMCP
GetACP
GetCPInfo
GetCurrentThreadId
SetLastError
TlsFree
GetUserDefaultLCID
TlsSetValue
TlsAlloc
TlsGetValue
InterlockedDecrement
InterlockedIncrement
GetStartupInfoA
GetProcessHeap
HeapAlloc
HeapFree
GetCommandLineA
IsDebuggerPresent
SetUnhandledExceptionFilter
TerminateProcess
RaiseException
RtlUnwind
GetLocaleInfoA
EnumSystemLocalesA
IsValidLocale
GetStringTypeA
GetStringTypeW
VirtualAlloc
HeapReAlloc
GetConsoleCP
GetCurrentProcessId
GetSystemTimeAsFileTime
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
FlushFileBuffers
FileTimeToSystemTime

user32

ChangeDisplaySettingsA
PostThreadMessageA
FindWindowExA
LoadIconA
LoadImageA
RegisterClassExA
CreateWindowExA
UpdateWindow
PeekMessageA
TranslateMessage
GetMessageA
DispatchMessageA
UnregisterClassA
DestroyIcon
SetFocus
BeginPaint
EndPaint
PostQuitMessage
DestroyWindow
SetCapture
ReleaseCapture
DefWindowProcA
ShowCursor
MessageBoxA
GetClientRect
DialogBoxParamA
SendMessageA
EnableWindow
EndDialog
GetWindowTextA
SendDlgItemMessageA
GetSystemMetrics
LoadCursorA
SetClassLongA
SetCursor
SetCursorPos
ScreenToClient
PtInRect
GetCursorPos
SetRect
CharUpperA
PostMessageA
GetWindow
ShowWindow
SetWindowTextA
AdjustWindowRectEx
SetWindowLongA
SetWindowPos
GetDC
FillRect
ReleaseDC
SetForegroundWindow
CloseWindow
GetAsyncKeyState
wsprintfA
GetDesktopWindow
GetWindowRect
MsgWaitForMultipleObjects
EnumDisplayMonitors
EnumDisplayDevicesA
GetMonitorInfoA
GetDlgItem
ClientToScreen

gdi32

SetMapMode
SelectObject
CreateDIBSection
CreateCompatibleDC
DeleteDC
DeleteObject
SetBkMode
GetDeviceCaps
CreateFontIndirectA
GetTextMetricsA
GetGlyphOutlineA
SetPolyFillMode
BitBlt
GetStockObject

ole32

CoUninitialize
CoInitialize

vorbisfile

ov_clear
ov_read
ov_pcm_seek
ov_time_total
ov_open_callbacks
ov_test_callbacks

Sections

.text
Size: 604KB - Virtual size: 600KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 104KB - Virtual size: 101KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 32KB - Virtual size: 2.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 28KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f79fed84b87eb9849edaf649f3bfd932

Headers

File Characteristics

Imports

winmm

msacm32

imm32

d3d9

dsound

kernel32

user32

gdi32

ole32

vorbisfile

Sections

.text Size: 604KB - Virtual size: 600KB

.rdata Size: 104KB - Virtual size: 101KB

.data Size: 32KB - Virtual size: 2.1MB

.rsrc Size: 28KB - Virtual size: 26KB

.text
Size: 604KB - Virtual size: 600KB

.rdata
Size: 104KB - Virtual size: 101KB

.data
Size: 32KB - Virtual size: 2.1MB

.rsrc
Size: 28KB - Virtual size: 26KB