steam[.]exe | Triage

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General

Target

steam.exe
Size

52.2MB
MD5

55dfbdab86959d95ec8f246b4ae48ff5
SHA1

643fb705b15e65552f702e247437370777005db6
SHA256

6bb2e19550af7b19b641324a1e2f2a6c5a7dd38efc5c501b46a18a82c1fb3b2d
SHA512

78e592e2cc434e64f6a20ed5186f36389cefdf09ed1c479094c49f7e7efcfb0c88311f0e7cf6393c1d35b79f166b6979b446cfeb75b516cb68755b0b514f42bf
SSDEEP

1572864:9/sfzcFDL9Pf+6jsHHnE/2N0ZMVEFyGfWNCFAv:9/BFHNf++8l0ZMVERfWQF

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
steam.exe

Files

steam.exe
.exe windows:6 windows x64 arch:x64

259c038cd4434231e0e24f278026a0ea

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

shell32

SHFileOperationW
SHGetFolderPathW
CommandLineToArgvW

kernel32

SetLastError
WriteConsoleW
HeapReAlloc
CreateDirectoryW
SizeofResource
SetConsoleCtrlHandler
GetCommandLineW
GetStdHandle
WriteFile
TerminateProcess
GetModuleFileNameW
SetEnvironmentVariableW
GetTempPathW
FindResourceA
WaitForSingleObject
CreateFileW
GetFileAttributesW
Sleep
GetLastError
LockResource
CloseHandle
LoadResource
GetProcAddress
GetCurrentProcessId
CreateProcessW
WideCharToMultiByte
GetSystemTimeAsFileTime
FormatMessageA
GetExitCodeProcess
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
HeapSize
RtlUnwindEx
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
EncodePointer
RaiseException
RtlPcToFileHeader
ExitProcess
GetModuleHandleExW
GetCommandLineA
HeapAlloc
MultiByteToWideChar
HeapFree
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
LCMapStringW
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetStringTypeW
GetProcessHeap
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
GetFileSizeEx
SetFilePointerEx

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 51KB - Virtual size: 50KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 147KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 52.0MB - Virtual size: 52.0MB

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

Sharing

General

Malware Config

Signatures

Files

259c038cd4434231e0e24f278026a0ea

Headers

DLL Characteristics

File Characteristics

Imports

shell32

kernel32

Sections

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

.rdata Size: 51KB - Virtual size: 50KB

.data Size: 3KB - Virtual size: 147KB

.pdata Size: 6KB - Virtual size: 6KB

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 52.0MB - Virtual size: 52.0MB

.reloc Size: 2KB - Virtual size: 1KB

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

.rdata
Size: 51KB - Virtual size: 50KB

.data
Size: 3KB - Virtual size: 147KB

.pdata
Size: 6KB - Virtual size: 6KB

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 52.0MB - Virtual size: 52.0MB

.reloc
Size: 2KB - Virtual size: 1KB