OnlineFix
Static task
static1
Behavioral task
behavioral1
Sample
SteamOverlay64.dll
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
SteamOverlay64.dll
Resource
win10v2004-20231222-en
General
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Target
SteamOverlay64.dll
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Size
114KB
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MD5
0a5429b888c75f6525e1100e32dd2b69
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SHA1
8ae224580aa0838a7b1570c79d4d8f27a1b46d19
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SHA256
f784b4b85b627c7ea541bd2a90c9fc6e9736a0731707c31265aa86fe684dc2df
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SHA512
5f77ac9619ccb5baebabb2e406ce265148ad18c6e1162c7d4c3a5656f38abedf90f756a829da856312689a738a3258382f37a279843bf7db0c14ac953c6992ef
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SSDEEP
1536:h1iaPnCtV4+1/IGiaA7bSMhP3rOy843NxnpWJtRsWkd09dl38s6BtcBRXh4:h1iaPn5+uGi/7bpxaX43Ni3aMLJB1h
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource SteamOverlay64.dll
Files
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SteamOverlay64.dll.dll windows:6 windows x64 arch:x64
fd9c9736fbc202d1a20e83d97ea0979b
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
Imports
kernel32
CreateFileW
LoadLibraryExW
ExitProcess
CloseHandle
WriteConsoleW
GetLastError
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
InterlockedFlushSList
SetLastError
EncodePointer
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
GetModuleHandleExW
GetModuleFileNameW
HeapFree
HeapAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
GetProcessHeap
GetStdHandle
GetFileType
GetStringTypeW
HeapSize
HeapReAlloc
SetStdHandle
FlushFileBuffers
WriteFile
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
user32
MessageBoxW
advapi32
RegOpenKeyExW
RegQueryValueExW
RegCloseKey
Exports
Exports
Sections
.text Size: 62KB - Virtual size: 62KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 39KB - Virtual size: 39KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1024B - Virtual size: 672B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ