steam[.]exe | Triage

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General

Target

steam.exe
Size

4.2MB
MD5

aa3aae24af98ace9385e48e6f6622733
SHA1

f409a76da57f6abde79bfbfa8746df0bb8fc3b82
SHA256

0be33e34ef243ef62d324dcf437e7c144149909a98ac916d782f575626767953
SHA512

79b5f7e023348b8a548486e8efe796fe4ed57badff8a4a79d92139b16bc7e1f61fa5b2879b460200c887539b4b3628a7c94fe3e4506946623060f73731595b46
SSDEEP

98304:+dazGfM/twmsx6lbZgS/rtAvGUQU3PSM7Srdn04:I0GCtUAYrP7SrV04

Score

1^/10

Malware Config

Signatures

Files

steam.exe
.exe windows:6 windows x86 arch:x86

8579eaa41882fd48e27575866daf2b2d

Code Sign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5c
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2013, 12:00

Not After

15/01/2038, 12:00

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

06:89:b3:bc:eb:44:09:89:0a:32:d7:19:76:b1:32:a4
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

07/10/2021, 00:00

Not After

09/10/2024, 23:59

Subject

CN=Valve Corp.,O=Valve Corp.,L=Bellevue,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

27:0e:12:87:f7:7c:10:8c:63:16:ae:c7:f3:06:fc:51:d2:c8:6e:42:db:bd:76:06:69:f3:b6:84:57:cc:72:3a
Signer

Actual PE Digest

27:0e:12:87:f7:7c:10:8c:63:16:ae:c7:f3:06:fc:51:d2:c8:6e:42:db:bd:76:06:69:f3:b6:84:57:cc:72:3a

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

c:\buildslave\steam_rel_client_win32\build\src\steamexe\Release\steamexe.pdb

Imports

kernel32

WriteFile
SystemTimeToFileTime
GetSystemTime
SetConsoleMode
ConvertThreadToFiber
ConvertFiberToThread
CreateFiber
DeleteFiber
SwitchToFiber
GetEnvironmentVariableW
ReadConsoleA
RemoveDirectoryW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
GetACP
IsValidCodePage
HeapReAlloc
VerifyVersionInfoW
SetStdHandle
SetConsoleCtrlHandler
SetFilePointerEx
LCMapStringW
CompareStringW
HeapAlloc
HeapFree
HeapValidate
HeapSize
WriteConsoleW
GetStdHandle
GetConsoleCP
ReadConsoleW
GetConsoleMode
SystemTimeToTzSpecificLocalTime
GetFullPathNameW
GetFileType
ExitProcess
InterlockedPushEntrySList
RtlUnwind
GetStartupInfoW
InitializeSListHead
IsProcessorFeaturePresent
UnhandledExceptionFilter
CreateEventW
FindResourceA
LocalFree
LocalAlloc
GlobalLock
GlobalUnlock
GlobalAlloc
SizeofResource
SetLastError
LockResource
LoadResource
GetModuleFileNameW
OpenProcess
GetExitCodeProcess
GetCurrentProcess
GetTimeZoneInformation
DeleteFileW
CreateDirectoryW
VerSetConditionMask
MulDiv
FreeLibrary
LoadLibraryA
GetProcAddress
Sleep
GetCurrentThreadId
DeviceIoControl
GetFileAttributesW
FindFirstFileW
FindClose
CreateFileW
MoveFileExW
GetModuleHandleA
GetTickCount
CreateFileA
LeaveCriticalSection
EnterCriticalSection
GetLastError
WaitForSingleObjectEx
GetCPInfo
ProcessIdToSessionId
GetCurrentProcessId
DecodePointer
EncodePointer
InitializeCriticalSectionEx
GetStringTypeW
InitOnceComplete
InitOnceBeginInitialize
TryAcquireSRWLockExclusive
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
InitializeSRWLock
OpenEventA
SetEvent
SetProcessAffinityMask
GetProcessHeaps
DebugBreak
SetUnhandledExceptionFilter
GetProcessAffinityMask
SetErrorMode
CloseHandle
RemoveDirectoryA
GetFileAttributesA
MultiByteToWideChar
OutputDebugStringA
PeekNamedPipe
GetCurrentDirectoryA
GetCurrentDirectoryW
FindNextFileW
WideCharToMultiByte
GetModuleHandleW
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
FindFirstFileExW
FlushFileBuffers
GetDiskFreeSpaceA
GetDiskFreeSpaceExW
GetDriveTypeW
GetFileAttributesExW
GetFileInformationByHandle
GetFileSizeEx
GetFileTime
ReadFile
SetEndOfFile
SetFileAttributesW
SetFilePointer
SetFileTime
SleepEx
GetSystemTimeAsFileTime
CopyFileW
GetDateFormatW
GetTimeFormatW
FileTimeToSystemTime
GlobalFree
SetHandleInformation
VirtualProtect
VirtualQuery
GetModuleFileNameA
GetModuleHandleExA
GetModuleHandleExW
IsBadWritePtr
CreateIoCompletionPort
PostQueuedCompletionStatus
InitializeCriticalSection
DeleteCriticalSection
ResetEvent
WaitForSingleObject
CreateEventA
QueryPerformanceCounter
QueryPerformanceFrequency
GetCommandLineA
GetProcessHeap
HeapSetInformation
HeapLock
HeapUnlock
HeapWalk
HeapQueryInformation
TerminateProcess
GlobalMemoryStatusEx
VirtualAlloc
IsDebuggerPresent
GetCommandLineW
DuplicateHandle
RaiseException
InitializeCriticalSectionAndSpinCount
TryEnterCriticalSection
SwitchToThread
CreateThread
GetCurrentThread
OpenThread
SetThreadPriority
TerminateThread
GetExitCodeThread
SuspendThread
ResumeThread
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
SetThreadAffinityMask
SetEnvironmentVariableW
SetCurrentDirectoryW
OutputDebugStringW
CreateProcessW
GetSystemInfo

user32

GetDC
CreateWindowExW
RegisterClassExW
DefWindowProcW
PostThreadMessageW
SendMessageW
PeekMessageW
DispatchMessageW
TranslateMessage
GetMessageW
DestroyWindow
GetWindowThreadProcessId
GetUserObjectInformationW
ReleaseDC
IsWindowVisible
GetMonitorInfoW
MonitorFromWindow
MonitorFromPoint
LoadIconW
LoadCursorW
EnumChildWindows
SetClassLongW
SetWindowLongW
GetWindowLongW
MapWindowPoints
MessageBoxW
GetWindowRect
SetWindowTextW
RedrawWindow
EndPaint
BeginPaint
UpdateWindow
KillTimer
UnregisterClassW
GetClassInfoExW
wsprintfA
DialogBoxParamA
EndDialog
GetDlgItem
SetDlgItemInt
GetDlgItemInt
SetDlgItemTextA
OpenClipboard
CloseClipboard
SetClipboardData
EmptyClipboard
GetWindowTextLengthA
GetDesktopWindow
SetTimer
MsgWaitForMultipleObjects
SetWindowPos
MoveWindow
GetProcessWindowStation
AllowSetForegroundWindow
MessageBoxA
EnumWindows
ShowWindow

gdi32

RemoveFontMemResourceEx
TextOutW
CreateDIBSection
SetTextColor
SetBkMode
SetBkColor
SelectObject
AddFontMemResourceEx
GetTextExtentPoint32W
GetStockObject
GetDeviceCaps
DeleteObject
DeleteDC
CreateICW
CreateFontW
CreateCompatibleDC
SwapBuffers
SetPixelFormat
ChoosePixelFormat

advapi32

RegisterEventSourceW
DeregisterEventSource
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
RegOpenKeyA
RegSetValueExW
RegSetValueExA
RegQueryValueExW
RegQueryValueExA
ReportEventW
RegOpenKeyExA
RegCreateKeyExA
RegCloseKey

shell32

SHGetKnownFolderPath
SHGetFileInfoW
CommandLineToArgvW
ord680

ole32

CoTaskMemFree

oleaut32

VariantClear

comctl32

InitCommonControlsEx

psapi

GetModuleInformation
GetModuleFileNameExW
GetProcessMemoryInfo

version

VerQueryValueW

crypt32

CertGetCertificateChain
CertOpenStore
CertCloseStore
CertCreateCertificateContext
CertFreeCertificateContext
CertAddCertificateContextToStore
CertFreeCertificateChain

ws2_32

send
htonl
htons
ntohl
ntohs
getaddrinfo
freeaddrinfo
closesocket
shutdown
socket
WSAStartup
WSAGetLastError
recv
WSARecvFrom
WSASend
WSASendTo
WSASocketA
__WSAFDIsSet
select
WSASetLastError
WSACleanup
connect
bind
WSAIoctl
setsockopt
getsockname
WSARecv
ioctlsocket

wsock32

ord1142

bcrypt

BCryptGenRandom

Exports

Exports

CanSetClientBeta
ClientUpdateRunFrame
CreateInterface
ForceUpdateNextRestart
GetBootstrapperVersion
GetClientActualLauncherType
GetClientBootstrapMetrics
GetClientLauncherType
GetClientUpdateBytesDownloaded
GetClientUpdateBytesToDownload
GetCurrentClientBeta
IsCheckingForUpdates
IsClientUpdateAvailable
IsClientUpdateOutOfDiskSpace
IsUpdateSuppressed
PermitDownloadClientUpdates
SetClientBeta
StartCheckingForUpdates
SteamBootstrapper_GetBaseUserDir
SteamBootstrapper_GetEUniverse
SteamBootstrapper_GetForwardedCommandLine
SteamBootstrapper_GetInstallDir
SteamBootstrapper_GetLoggingDir
SteamBootstrapper_SetCommandLineToRunOnExit
WORKAROUND_GdbSymbolLoadHook
g_dwDllEntryThreadId

Sections

.text
Size: 2.9MB - Virtual size: 2.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 917KB - Virtual size: 917KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 62KB - Virtual size: 591KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 219KB - Virtual size: 218KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 127KB - Virtual size: 126KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8579eaa41882fd48e27575866daf2b2d

Code Sign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5cCertificate

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

06:89:b3:bc:eb:44:09:89:0a:32:d7:19:76:b1:32:a4Certificate

Extended Key Usages

Key Usages

27:0e:12:87:f7:7c:10:8c:63:16:ae:c7:f3:06:fc:51:d2:c8:6e:42:db:bd:76:06:69:f3:b6:84:57:cc:72:3aSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

comctl32

psapi

version

crypt32

ws2_32

wsock32

bcrypt

Exports

Exports

Sections

.text Size: 2.9MB - Virtual size: 2.9MB

.rdata Size: 917KB - Virtual size: 917KB

.data Size: 62KB - Virtual size: 591KB

.rsrc Size: 219KB - Virtual size: 218KB

.reloc Size: 127KB - Virtual size: 126KB

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

05:9b:1b:57:9e:8e:21:32:e2:39:07:bd:a7:77:75:5c
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

06:89:b3:bc:eb:44:09:89:0a:32:d7:19:76:b1:32:a4
Certificate

27:0e:12:87:f7:7c:10:8c:63:16:ae:c7:f3:06:fc:51:d2:c8:6e:42:db:bd:76:06:69:f3:b6:84:57:cc:72:3a
Signer

.text
Size: 2.9MB - Virtual size: 2.9MB

.rdata
Size: 917KB - Virtual size: 917KB

.data
Size: 62KB - Virtual size: 591KB

.rsrc
Size: 219KB - Virtual size: 218KB

.reloc
Size: 127KB - Virtual size: 126KB