Osiris[.]dll | Triage

Sharing

Copy URL Twitter E-mail

General

Target

Osiris.dll
Size

1.6MB
MD5

fe8122c82843b1099ee336531acc5530
SHA1

ec8fa511b687f3bea36f199b8ec90c1ae9710fe2
SHA256

4fc804da0fd82c8d9a775e5f7b4f32bedb30fc87a8ded2ae3b4e9dcc1050293a
SHA512

4b00259875616aa6ba5738e32df4e046a661ea58c981166ea10e2b103eae73cffd9f55ed64e8f9f08e4dacbd57877a1eda070d07e83b7ec6a1942d12ce3cb482
SSDEEP

24576:8qhmInsLfXkjcKJy14xHPp/5KLXl/HRuZKfkjonGFefHcIHWXuwTOlV63bJmM0CR:znitK6Ex/fZukEGITcTOyLL0C

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Osiris.dll

Files

Osiris.dll
.dll windows:6 windows x86

25507b5aa553c3825707a1a45149b030

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

shell32

SHGetKnownFolderPath
ShellExecuteW

ole32

CoTaskMemFree

user32

ScreenToClient
GetCapture
ClientToScreen
IsChild
GetForegroundWindow
LoadCursorW
SetCapture
SetCursor
GetClientRect
ReleaseCapture
SetCursorPos
GetKeyState
OpenClipboard
CloseClipboard
EmptyClipboard
GetClipboardData
SetClipboardData
CallWindowProcW
MessageBoxA
SetWindowLongW
ShowWindow
FindWindowW
FlashWindowEx
GetDC
GetCursorPos

kernel32

SetStdHandle
ReadConsoleW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetConsoleMode
GetConsoleOutputCP
WriteFile
FlushFileBuffers
GetStdHandle
SetFilePointerEx
GetFileSizeEx
GetModuleFileNameW
WideCharToMultiByte
VirtualQuery
VirtualProtect
VirtualFree
VirtualAlloc
HeapCreate
HeapFree
GetCurrentProcess
Thread32Next
Thread32First
GetCurrentThreadId
SuspendThread
ResumeThread
CreateToolhelp32Snapshot
Sleep
GetLastError
HeapReAlloc
CloseHandle
HeapAlloc
HeapDestroy
GetThreadContext
GetProcAddress
GetCurrentProcessId
GetModuleHandleW
FlushInstructionCache
SetThreadContext
OpenThread
FreeLibraryAndExitThread
GetModuleHandleA
CreateThread
MultiByteToWideChar
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
LoadLibraryW
QueryPerformanceFrequency
QueryPerformanceCounter
K32GetModuleInformation
LocalFree
FormatMessageA
GetLocaleInfoEx
GetCurrentDirectoryW
CreateDirectoryW
CreateFileW
FindClose
FindFirstFileW
FindFirstFileExW
GetTimeZoneInformation
GetFileAttributesExW
GetFileInformationByHandle
GetFullPathNameW
SetFileInformationByHandle
AreFileApisANSI
MoveFileExW
GetFileInformationByHandleEx
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
SetEndOfFile
DecodePointer
LCMapStringEx
GetSystemTimeAsFileTime
GetStringTypeW
GetCPInfo
InitializeCriticalSectionAndSpinCount
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
IsProcessorFeaturePresent
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
InitializeSListHead
TerminateProcess
ReadFile
IsValidCodePage
GetACP
GetCommandLineA
GetOEMCP
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetProcessHeap
HeapSize
WriteConsoleW
FindNextFileW
EncodePointer
RaiseException
RtlUnwind
InterlockedFlushSList
SetLastError
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetDriveTypeW
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExitProcess
GetModuleHandleExW

imm32

ImmReleaseContext
ImmSetCompositionWindow
ImmGetContext

gdi32

CreateFontA
SelectObject
CreateCompatibleDC
EnumFontFamiliesExW
CreateFontW
DeleteDC
GetFontData
DeleteObject

Sections

.text
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 228KB - Virtual size: 227KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 22KB - Virtual size: 961KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 55KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

25507b5aa553c3825707a1a45149b030

Headers

DLL Characteristics

File Characteristics

Imports

shell32

ole32

user32

kernel32

imm32

gdi32

Sections

.text Size: 1.3MB - Virtual size: 1.3MB

.rdata Size: 228KB - Virtual size: 227KB

.data Size: 22KB - Virtual size: 961KB

_RDATA Size: 10KB - Virtual size: 9KB

.reloc Size: 55KB - Virtual size: 55KB

.text
Size: 1.3MB - Virtual size: 1.3MB

.rdata
Size: 228KB - Virtual size: 227KB

.data
Size: 22KB - Virtual size: 961KB

_RDATA
Size: 10KB - Virtual size: 9KB

.reloc
Size: 55KB - Virtual size: 55KB