Osiris[.]dll | Triage

Sharing

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General

Target

Osiris.dll
Size

7.6MB
MD5

bcdadf5e0880b00eb1e328a7f6a9083b
SHA1

4ba504fad40379e4b92372b51dc0309baa556f05
SHA256

11762d69b3e8331b4c3d7d097275734445433fde4081b29618ec9572da4f1880
SHA512

e51ed1db5e15ef7da6875f4d8e078c4c88b433210fe261fcdae8d0558c690750a1a61c47aa72ad5c7a0b54b1d33155a3f2686de6c91b016a3c357b21eaeb9b6e
SSDEEP

196608:AOtI5izGcjQlqF+YRs6mNhibm3anQ1QTPE2lFzLGnSKHjDJw4rGR:R0sO

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Osiris.dll

Files

Osiris.dll
.dll windows x86

2a0b61f115aa9d955f50c8bde0ab6656

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

shell32

ShellExecuteW
SHGetKnownFolderPath

ole32

CoTaskMemFree

ntdll

VerSetConditionMask
RtlUnwind
NtAllocateVirtualMemory
NtProtectVirtualMemory

user32

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

kernel32

OutputDebugStringW
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
GetConsoleMode
GetConsoleOutputCP
WriteFile
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
GetCurrentThread
ExitProcess
GetSystemInfo
HeapValidate
WriteConsoleW
GetModuleHandleExW
GetFileType
GetStdHandle
GlobalAlloc
GlobalUnlock
GlobalLock
GlobalFree
MultiByteToWideChar
WideCharToMultiByte
LoadLibraryW
QueryPerformanceCounter
QueryPerformanceFrequency
GetProcAddress
LoadLibraryA
VerifyVersionInfoW
GetCurrentProcess
VirtualFree
VirtualQuery
CloseHandle
HeapCreate
HeapDestroy
HeapAlloc
HeapReAlloc
HeapFree
Sleep
GetCurrentProcessId
GetCurrentThreadId
OpenThread
SuspendThread
ResumeThread
GetThreadContext
SetThreadContext
FlushInstructionCache
GetModuleHandleW
CreateToolhelp32Snapshot
Thread32First
Thread32Next
VirtualProtect
FreeLibraryAndExitThread
CreateThread
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
SetConsoleCtrlHandler
RaiseException
GetStartupInfoW
GetLastError
GetProcessHeap
FreeLibrary
GetSystemTimeAsFileTime
InitializeSListHead
LocalFree
FormatMessageA
GetLocaleInfoEx
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateDirectoryW
CreateFileW
FindClose
FindFirstFileW
FindFirstFileExW
FindNextFileW
GetDiskFreeSpaceExW
GetFileAttributesW
GetFileAttributesExW
GetFileInformationByHandle
GetFinalPathNameByHandleW
GetFullPathNameW
SetEndOfFile
SetFileInformationByHandle
SetFileTime
GetTempPathW
AreFileApisANSI
DeviceIoControl
CreateDirectoryExW
CopyFileW
MoveFileExW
CreateHardLinkW
GetFileInformationByHandleEx
CreateSymbolicLinkW
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
InitializeCriticalSectionEx
EncodePointer
DecodePointer
LCMapStringEx
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
InitOnceExecuteOnce
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableCS
SleepConditionVariableSRW
CreateEventExW
CreateSemaphoreExW
FlushProcessWriteBuffers
GetCurrentProcessorNumber
GetTickCount64
FreeLibraryWhenCallbackReturns
CreateThreadpoolWork
SubmitThreadpoolWork
CloseThreadpoolWork
CreateThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
CreateThreadpoolWait
SetThreadpoolWait
CloseThreadpoolWait
GetStringTypeW
CompareStringEx
GetCPInfo
ReadFile
HeapSize
HeapQueryInformation
IsValidCodePage
GetTimeZoneInformation
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
IsDebuggerPresent
SetFileAttributesW
TlsFree
GetModuleFileNameW
LoadLibraryExW
InterlockedPushEntrySList
InterlockedFlushSList
SetLastError
TlsAlloc
TlsGetValue
TlsSetValue

imm32

ImmReleaseContext
ImmGetContext
ImmSetCompositionWindow

gdi32

SelectObject
GetFontData
EnumFontFamiliesExW
DeleteObject
DeleteDC
CreateFontW
CreateFontA
CreateCompatibleDC
GetDeviceCaps

Sections

.textbss
Size: - Virtual size: 3.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.text
Size: 6.6MB - Virtual size: 6.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 688KB - Virtual size: 687KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 34KB - Virtual size: 92KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.msvcjmc
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 1024B - Virtual size: 794B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.00cfg
Size: 512B - Virtual size: 270B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 210KB - Virtual size: 209KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2a0b61f115aa9d955f50c8bde0ab6656

Headers

DLL Characteristics

File Characteristics

Imports

shell32

ole32

ntdll

user32

kernel32

imm32

gdi32

Sections

.textbss Size: - Virtual size: 3.2MB

.text Size: 6.6MB - Virtual size: 6.6MB

.rdata Size: 688KB - Virtual size: 687KB

.data Size: 34KB - Virtual size: 92KB

.idata Size: 8KB - Virtual size: 7KB

.msvcjmc Size: 11KB - Virtual size: 10KB

.tls Size: 1024B - Virtual size: 794B

.00cfg Size: 512B - Virtual size: 270B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 210KB - Virtual size: 209KB

.textbss
Size: - Virtual size: 3.2MB

.text
Size: 6.6MB - Virtual size: 6.6MB

.rdata
Size: 688KB - Virtual size: 687KB

.data
Size: 34KB - Virtual size: 92KB

.idata
Size: 8KB - Virtual size: 7KB

.msvcjmc
Size: 11KB - Virtual size: 10KB

.tls
Size: 1024B - Virtual size: 794B

.00cfg
Size: 512B - Virtual size: 270B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 210KB - Virtual size: 209KB