obsydium[.]exe

Sharing

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General

Target

obsydium.exe
Size

249KB
MD5

9eb37a90b78718f251b000e046918a74
SHA1

8f7c9b8b6f2b601151b327d86afa750b8dc7f0d1
SHA256

6be870a327fedb1258622601ddb2462e4464b4ab345a7d51a3fab53bb4788e19
SHA512

705350ce48550f4b5f10ee717c3e0d7f6ec53d96b4aff3f17a4de8bbbe257b948e4930120bbb6b9338cc2bc4ae155865bf5e4f68b84bf12a25ef06b9eadfab8f
SSDEEP

3072:2FP90WVIdxe9oH5w9RtKfpI6PaxNFsNMR4U/tQjnVGjkOAg0FuzmoCBqn3kryftv:2ZCi96uJ6PafFs6BdXAOzrnUrkItE

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
obsydium.exe

Files

obsydium.exe
.exe windows:5 windows x86 arch:x86

8152d2e8f0aa40ea8eea4a10c4472fc5

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

C:\i\obsydium.pdb

Imports

ntdll

RtlAdjustPrivilege
NtRaiseHardError
RtlUnwind

kernel32

SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
IsValidCodePage
FindNextFileA
FindFirstFileExA
FindClose
GetProcessHeap
HeapReAlloc
ReadFile
GetConsoleMode
GetConsoleCP
FlushFileBuffers
GetFileType
HeapAlloc
HeapFree
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetConsoleWindow
ExitProcess
SetFilePointerEx
CreateThread
CloseHandle
GetVersionExA
TerminateThread
Sleep
CreateFileW
WriteFile
HeapSize
ReadConsoleW
TlsSetValue
GetACP
GetModuleFileNameA
GetStdHandle
GetModuleHandleExW
RaiseException
MultiByteToWideChar
GetLastError
WideCharToMultiByte
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
GetCurrentThreadId
GetCurrentProcess
SwitchToThread
GetCurrentThread
QueryPerformanceCounter
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
EncodePointer
DecodePointer
LCMapStringW
GetLocaleInfoW
GetCPInfo
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
SetEvent
GetThreadTimes
FreeLibrary
LoadLibraryExW
WriteConsoleW

user32

EndPaint
BeginPaint
GetCursorPos
ReleaseDC
InvalidateRect
UpdateWindow
GetDesktopWindow
GetMessageA
DispatchMessageA
LoadCursorA
GetDC
MessageBoxW
FillRect
ScreenToClient
CallNextHookEx
GetSystemMetrics
ShowWindow
SetTimer
SetWindowsHookExA
RegisterClassA
DefWindowProcA
CreateWindowExA
SetLayeredWindowAttributes
TranslateMessage
PostQuitMessage

gdi32

BitBlt
CreateCompatibleBitmap
SelectObject
CreateDIBSection
CreateCompatibleDC
GetStockObject
DeleteDC
CreatePen
Polygon
Ellipse
DeleteObject
CreateSolidBrush

winmm

waveOutPrepareHeader
waveOutOpen
waveOutClose
waveOutUnprepareHeader
waveOutWrite

msimg32

TransparentBlt
AlphaBlend

Sections

.text
Size: 128KB - Virtual size: 127KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 68KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 35KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8152d2e8f0aa40ea8eea4a10c4472fc5

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

ntdll

kernel32

user32

gdi32

winmm

msimg32

Sections

.text Size: 128KB - Virtual size: 127KB

.rdata Size: 68KB - Virtual size: 68KB

.data Size: 4KB - Virtual size: 8KB

_RDATA Size: 2KB - Virtual size: 1KB

.rsrc Size: 35KB - Virtual size: 35KB

.reloc Size: 10KB - Virtual size: 9KB

.text
Size: 128KB - Virtual size: 127KB

.rdata
Size: 68KB - Virtual size: 68KB

.data
Size: 4KB - Virtual size: 8KB

_RDATA
Size: 2KB - Virtual size: 1KB

.rsrc
Size: 35KB - Virtual size: 35KB

.reloc
Size: 10KB - Virtual size: 9KB