C:\JobRelease\win\Release\stubs\x86\ExternalUi.pdb
Static task
static1
Behavioral task
behavioral1
Sample
Steam.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
Steam.exe
Resource
win10v2004-20240508-en
General
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Target
Steam.exe
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Size
369.4MB
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MD5
6f871624db639b31c6f345b2a10e4df5
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SHA1
1d9ebdce2651e8c91930cbc8b7cbcea0b8cb9dbd
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SHA256
9912c6879a3bde1745a085b8553c4ea1991b43a7bbc24758339065e24079d2ac
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SHA512
16df1995c2e17f9794a048f56949acd689871ae471a45484a126fcfdd7471515a5657e03161d6f057d485b55f528b9a2895b5ccdf76474de7141fb207d6095ef
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SSDEEP
6291456:biCwmlhapUql17QolrKz8E04cBCov+3htB1YcLdwIPnQza1fY5bKrSr4:bnfl+HZG+1QnhtB7wuQOZ0mSk
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Steam.exe
Files
-
Steam.exe.exe windows:5 windows x86 arch:x86
ac220fb01eeea4ecb84da554526c3e36
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
Imports
kernel32
CreateFileW
CloseHandle
WriteFile
DeleteFileW
GetLastError
SizeofResource
LockResource
LoadResource
FindResourceW
FindResourceExW
HeapDestroy
HeapSize
HeapReAlloc
HeapFree
HeapAlloc
GetProcessHeap
InterlockedDecrement
InterlockedIncrement
EnterCriticalSection
LeaveCriticalSection
GetModuleFileNameW
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
GetCurrentThreadId
RaiseException
SetLastError
GlobalUnlock
GlobalLock
GlobalAlloc
MulDiv
lstrcmpW
CreateEventW
SetEvent
InitializeCriticalSection
lstrcpynW
WaitForSingleObject
CreateThread
GetProcAddress
LoadLibraryExW
DecodePointer
Sleep
GetDiskFreeSpaceExW
GetExitCodeThread
GetCurrentProcessId
CreateDirectoryW
GetSystemDirectoryW
FreeLibrary
lstrlenW
GetVersionExW
lstrcmpiW
GetModuleHandleW
LoadLibraryW
GetDriveTypeW
CompareStringW
GetTempPathW
GetSystemTime
SystemTimeToFileTime
GetTempFileNameW
FindFirstFileW
RemoveDirectoryW
FindNextFileW
GetLogicalDriveStringsW
GetFileSize
GetFileAttributesW
SetFileAttributesW
GetFileTime
CopyFileW
ReadFile
FindClose
MultiByteToWideChar
WideCharToMultiByte
InterlockedExchange
GetCurrentProcess
GetSystemInfo
WaitForMultipleObjects
WriteConsoleW
VirtualProtect
VirtualQuery
LoadLibraryExA
GetShortPathNameW
GetStringTypeW
SetUnhandledExceptionFilter
FormatMessageW
GetEnvironmentVariableW
LocalFree
LoadLibraryA
GetModuleFileNameA
GetFullPathNameW
GetCurrentThread
SetConsoleTextAttribute
GetStdHandle
GetConsoleScreenBufferInfo
SetFilePointer
FlushFileBuffers
OutputDebugStringW
CreateProcessW
GetExitCodeProcess
GetCommandLineW
SetCurrentDirectoryW
SetEndOfFile
EnumResourceLanguagesW
GetLocaleInfoW
GetSystemDefaultLangID
GetUserDefaultLangID
GetWindowsDirectoryW
FileTimeToSystemTime
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
ResetEvent
MoveFileW
GlobalFree
GetPrivateProfileStringW
GetPrivateProfileSectionNamesW
WritePrivateProfileStringW
GetLocalTime
CreateNamedPipeW
ConnectNamedPipe
TerminateThread
LocalAlloc
CompareFileTime
CopyFileExW
OpenEventW
PeekNamedPipe
IsDebuggerPresent
EncodePointer
InitializeSListHead
InterlockedPopEntrySList
InterlockedPushEntrySList
FlushInstructionCache
IsProcessorFeaturePresent
VirtualAlloc
VirtualFree
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetCPInfo
LCMapStringW
WaitForSingleObjectEx
UnhandledExceptionFilter
TerminateProcess
GetStartupInfoW
QueryPerformanceCounter
RtlUnwind
QueryPerformanceFrequency
GetACP
ExitProcess
GetModuleHandleExW
GetFileType
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetConsoleCP
GetConsoleMode
IsValidCodePage
GetOEMCP
SetFilePointerEx
FindFirstFileExW
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
ReadConsoleW
Sections
.text Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 341KB - Virtual size: 341KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 9KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 86KB - Virtual size: 85KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 85KB - Virtual size: 84KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ