Static task
static1
Behavioral task
behavioral1
Sample
SteamtoolsSetup.exe
Resource
win10v2004-20231023-en
General
-
Target
SteamtoolsSetup.exe
-
Size
656KB
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MD5
0b8d63b4ec5db04f5d5cdc8bbe70d61b
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SHA1
992d8eef792d50c5f934ea7db224ef4634a69880
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SHA256
77351d83c8b850be96dda08fa4fcd0a6c06e26f0f53beffaa4fb795a007c2ea4
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SHA512
c57f20692768746cf2047dbd289d88022ceb959ab8a19182fe419d3d0fc59ee59a1614984dce145de10be1f6a07b5492a1791c755f464b667ced658307c12b39
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SSDEEP
12288:cghhglgG/ANWoiIq8GSX93oOZouS8VSrlUco7xWLzNT64:Bh9NWoiqGStYRFUccxoT6
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource SteamtoolsSetup.exe
Files
-
SteamtoolsSetup.exe.exe windows:6 windows x86 arch:x86
36718e63ed9934a9f22b216d1181f214
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
Imports
kernel32
GetFileAttributesW
TerminateProcess
OpenProcess
GetCommandLineW
GetCommandLineA
CreateToolhelp32Snapshot
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetStringTypeW
GetProcessHeap
DeleteFileW
GetTimeZoneInformation
HeapSize
WriteConsoleW
DecodePointer
MultiByteToWideChar
GetLastError
Process32NextW
Process32FirstW
CloseHandle
CreateThread
GetCPInfo
WideCharToMultiByte
GetFullPathNameW
GetCurrentDirectoryW
SetEndOfFile
SetStdHandle
GetFileAttributesExW
FlushFileBuffers
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapReAlloc
HeapAlloc
HeapFree
GetConsoleOutputCP
ReadConsoleW
GetConsoleMode
ExitProcess
GetModuleFileNameW
WriteFile
SetFilePointerEx
GetModuleHandleExW
FreeLibraryAndExitThread
ExitThread
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetFileInformationByHandle
GetDriveTypeW
CreateFileW
RaiseException
EncodePointer
LoadLibraryExW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
RtlUnwind
GetModuleHandleW
GetStartupInfoW
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
IsProcessorFeaturePresent
GetCurrentProcess
CreateDirectoryW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
QueryPerformanceCounter
GetTickCount
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
QueryPerformanceFrequency
GetSystemDirectoryA
FreeLibrary
GetModuleHandleA
GetProcAddress
LoadLibraryA
Sleep
SetLastError
FormatMessageW
MoveFileExA
WaitForSingleObjectEx
GetEnvironmentVariableA
GetStdHandle
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
GetCurrentProcessId
SleepEx
VerSetConditionMask
VerifyVersionInfoW
CreateFileA
GetFileSizeEx
user32
SendMessageW
CreateWindowExW
MessageBoxW
PostMessageW
GetSystemMetrics
GetMessageW
SetWindowTextW
RegisterClassExW
ShowWindow
DispatchMessageW
LoadCursorW
wsprintfW
PostQuitMessage
UpdateWindow
TranslateMessage
DefWindowProcW
LoadIconW
advapi32
CryptEncrypt
IsTextUnicode
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptDestroyKey
CryptImportKey
shell32
SHGetFolderPathW
ShellExecuteW
ole32
CoCreateInstance
CoUninitialize
CoInitialize
shlwapi
PathRemoveFileSpecW
comctl32
InitCommonControlsEx
crypt32
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
CertAddCertificateContextToStore
CryptDecodeObjectEx
CertGetCertificateChain
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertOpenStore
CertFreeCertificateChainEngine
PFXImportCertStore
CertFreeCertificateChain
normaliz
IdnToAscii
wldap32
ord143
ord217
ord46
ord211
ord60
ord45
ord50
ord41
ord22
ord26
ord27
ord32
ord301
ord200
ord30
ord79
ord35
ord33
ws2_32
getsockopt
send
WSACloseEvent
WSACreateEvent
WSAEnumNetworkEvents
WSAEventSelect
WSAResetEvent
WSAWaitForMultipleEvents
closesocket
WSAGetLastError
ntohs
WSASetLastError
WSAStartup
WSACleanup
setsockopt
WSAIoctl
htons
socket
__WSAFDIsSet
select
accept
bind
connect
getsockname
htonl
listen
recv
getaddrinfo
freeaddrinfo
recvfrom
sendto
getpeername
ioctlsocket
gethostname
bcrypt
BCryptGenRandom
Sections
.text Size: 490KB - Virtual size: 490KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 98KB - Virtual size: 97KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 43KB - Virtual size: 42KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 20KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ