Steam2[.]dll | Triage

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General

Target

Steam2.dll
Size

2.7MB
MD5

c6b57bc6559f86b3e34d8ab0fbb628d5
SHA1

654918fa140bb94e8d319157d610998542aa307d
SHA256

4d46e343e004c470efe28b81aa1e8f9f27b2c730790c7da3053ee0dc412c26ff
SHA512

da2564682aa94b57b9a6f39a8236754311155000a545443bbbdd5eab76e5027fca1d69145c063001694f58885e1e5d1879dfc86741830270578cb2d36658b891
SSDEEP

49152:4X4pQqWJOvXpPF875+6d6YWkysU0z0JqeWPfSWGBJGSjS:W4pQqWJ0875/WkysUUjPfSi

Score

1^/10

Malware Config

Signatures

Files

Steam2.dll
.dll windows x86

1f0b7025d8bc94b2fa32a54f1cc948b4

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

18:da:d1:9e:26:7d:e8:bb:4a:21:58:cd:cc:6b:3b:4a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

08/11/2006, 00:00

Not After

16/07/2036, 23:59

Subject

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

47:a9:38:ed:c7:ae:ac:8d:c7:1d:cb:b4:b4:f6:11:f8
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Not Before

28/09/2012, 00:00

Not After

23/11/2015, 23:59

Subject

CN=Valve,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=Valve,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

08/02/2010, 00:00

Not After

07/02/2020, 23:59

Subject

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

47:2e:4a:07:92:d8:cd:b5:d0:55:07:dc:f6:17:09:2a:94:15:6a:07
Signer

Actual PE Digest

47:2e:4a:07:92:d8:cd:b5:d0:55:07:dc:f6:17:09:2a:94:15:6a:07

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Valve,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=Valve,ST=Washington,C=US

14/02/2014, 01:58
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

ws2_32

inet_addr
gethostname
sendto
recvfrom
bind
__WSAFDIsSet
shutdown
socket
ntohs
recv
send
WSACleanup
WSAStartup
gethostbyname
ioctlsocket
WSAGetOverlappedResult
connect
WSARecv
WSAGetLastError
WSASend
WSASocketA
setsockopt
getsockname
closesocket
htonl
htons
WSASetLastError
select

shlwapi

PathCanonicalizeA
SHDeleteKeyA

kernel32

VirtualAlloc
VirtualFree
HeapCreate
HeapDestroy
ExitProcess
GetCPInfo
LCMapStringW
LCMapStringA
RtlUnwind
GetCommandLineA
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
CloseHandle
GetLastError
InitializeCriticalSectionAndSpinCount
InterlockedIncrement
InterlockedDecrement
CreateEventA
SetEvent
WaitForSingleObject
ReleaseMutex
CreateMutexA
LoadLibraryA
GetProcAddress
GetModuleHandleA
FreeLibrary
Sleep
WaitForSingleObjectEx
ReleaseSemaphore
CreateSemaphoreA
MultiByteToWideChar
CreateFileW
CreateFileA
SetFilePointerEx
SetEndOfFile
TerminateThread
SetThreadPriority
ResetEvent
GetCurrentProcessId
OpenEventA
SetLastError
GetCurrentThreadId
OutputDebugStringA
QueryPerformanceFrequency
QueryPerformanceCounter
MoveFileA
GetTempFileNameA
DeleteFileA
GetEnvironmentStrings
FreeEnvironmentStringsA
CreateProcessA
CreateNamedPipeA
WaitNamedPipeA
PeekNamedPipe
WriteFile
FlushFileBuffers
DisconnectNamedPipe
ReadFile
OpenProcess
HeapSize
OpenThread
GetExitCodeThread
GetTickCount
FlushViewOfFile
GetFullPathNameA
FormatMessageA
ResumeThread
WaitForMultipleObjectsEx
CreateDirectoryA
CopyFileA
RemoveDirectoryA
FindFirstFileA
FindClose
FindNextFileA
GetModuleFileNameA
GetLongPathNameA
GetCurrentDirectoryA
GetFileAttributesA
SetFileAttributesA
GetVolumeInformationA
GetFileSize
CreateFileMappingA
MapViewOfFile
UnmapViewOfFile
GetLocaleInfoW
FindResourceA
LoadResource
LockResource
SizeofResource
GetCurrentProcess
GetVersionExA
GetSystemInfo
WideCharToMultiByte
RaiseException
EnumResourceNamesA
GetConsoleWindow
GetTempPathA
SetUnhandledExceptionFilter
InterlockedExchange
SetEnvironmentVariableA
GetSystemTime
GetProcessHeap
GetTimeZoneInformation
GetConsoleMode
GetConsoleCP
CreateThread
ExitThread
GetDriveTypeA
GetACP
GetOEMCP
IsValidCodePage
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
GetStdHandle
SetHandleCount
GetStartupInfoA
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetUserDefaultLCID
GetLocaleInfoA
EnumSystemLocalesA
IsValidLocale
GetStringTypeA
GetStringTypeW
CompareStringA
CompareStringW
GetExitCodeProcess
SetFilePointer
FileTimeToLocalFileTime
FileTimeToSystemTime
HeapReAlloc
HeapAlloc
HeapFree
TerminateProcess
UnhandledExceptionFilter
IsDebuggerPresent
GetSystemTimeAsFileTime
SetStdHandle
GetFileType

user32

MessageBoxA

advapi32

CryptAcquireContextA
CryptReleaseContext
RegEnumValueA
RegQueryInfoKeyA
RegEnumKeyA
RegDeleteValueA
RegQueryValueExA
RegSetValueExA
RegOpenKeyExA
RegDeleteKeyA
RegCreateKeyExA
RegCloseKey
CryptGenRandom

shell32

ShellExecuteA

Exports

Exports

CreateInterface
InternalSteamNumClientsConnectedToEngine
InternalSteamShouldShutdownEngine2
SteamAbortCall
SteamAbortOngoingUserIDTicketValidation
SteamAckSubscriptionReceipt
SteamBlockingCall
SteamChangeAccountName
SteamChangeEmailAddress
SteamChangeForgottenPassword
SteamChangeOfflineStatus
SteamChangePassword
SteamChangePersonalQA
SteamCheckAppOwnership
SteamCleanup
SteamClearError
SteamCloseFile
SteamCreateAccount
SteamCreateCachePreloaders
SteamCreateLogContext
SteamDecryptDataForThisMachine
SteamDefragCaches
SteamDeleteAccount
SteamEncryptDataForThisMachine
SteamEnumerateApp
SteamEnumerateAppDependency
SteamEnumerateAppIcon
SteamEnumerateAppLaunchOption
SteamEnumerateAppVersion
SteamEnumerateSubscription
SteamEnumerateSubscriptionDiscount
SteamEnumerateSubscriptionDiscountQualifier
SteamFindApp
SteamFindClose
SteamFindFirst
SteamFindFirst64
SteamFindNext
SteamFindNext64
SteamFindServersGetErrorString
SteamFindServersIterateServer
SteamFindServersNumServers
SteamFlushCache
SteamFlushFile
SteamForceCellId
SteamForgetAllHints
SteamGenerateSuggestedAccountNames
SteamGetAccountStatus
SteamGetAppCacheSize
SteamGetAppDLCStatus
SteamGetAppDependencies
SteamGetAppDir
SteamGetAppIds
SteamGetAppPurchaseCountry
SteamGetAppStats
SteamGetAppUpdateStats
SteamGetAppUserDefinedInfo
SteamGetAppUserDefinedRecord
SteamGetCacheDecryptionKey
SteamGetCacheDefaultDirectory
SteamGetCacheFilePath
SteamGetCachePercentFragmentation
SteamGetContentServerInfo
SteamGetCurrentCellID
SteamGetCurrentEmailAddress
SteamGetDepotParent
SteamGetEncryptedNewValveCDKey
SteamGetEncryptedUserIDTicket
SteamGetEncryptionKeyToSendToNewClient
SteamGetFileAttributeFlags
SteamGetLocalClientVersion
SteamGetLocalFileCopy
SteamGetNumAccountsWithEmailAddress
SteamGetOfflineStatus
SteamGetSponsorUrl
SteamGetSubscriptionExtendedInfo
SteamGetSubscriptionIds
SteamGetSubscriptionPurchaseCountry
SteamGetSubscriptionReceipt
SteamGetSubscriptionStats
SteamGetTotalUpdateStats
SteamGetUser
SteamGetUserType
SteamGetVersion
SteamGetc
SteamHintResourceNeed
SteamInitializeUserIDTicketValidator
SteamInsertAppDependency
SteamIsAccountNameInUse
SteamIsAppSubscribed
SteamIsCacheLoadingEnabled
SteamIsFileImmediatelyAvailable
SteamIsFileNeededByApp
SteamIsFileNeededByCache
SteamIsLoggedIn
SteamIsSecureComputer
SteamIsSubscribed
SteamIsUsingSdkContentServer
SteamLaunchApp
SteamLoadCacheFromDir
SteamLoadFileToApp
SteamLoadFileToCache
SteamLog
SteamLogResourceLoadFinished
SteamLogResourceLoadStarted
SteamLogin
SteamLogout
SteamMiniDumpInit
SteamMountAppFilesystem
SteamMountFilesystem
SteamMoveApp
SteamNumAppsRunning
SteamOpenFile
SteamOpenFile64
SteamOpenFileEx
SteamOpenTmpFile
SteamOptionalCleanUpAfterClientHasDisconnected
SteamPauseCachePreloading
SteamPrintFile
SteamProcessCall
SteamProcessOngoingUserIDTicketValidation
SteamPutc
SteamReadFile
SteamRefreshAccountInfo
SteamRefreshAccountInfo2
SteamRefreshAccountInfoEx
SteamRefreshLogin
SteamRefreshMinimumFootprintFiles
SteamReleaseCacheFiles
SteamRemoveAppDependency
SteamRepairOrDecryptCaches
SteamRequestAccountsByCdKeyEmail
SteamRequestAccountsByEmailAddressEmail
SteamRequestEmailAddressVerificationEmail
SteamRequestForgottenPasswordEmail
SteamResumeCachePreloading
SteamSeekFile
SteamSeekFile64
SteamSetAppCacheSize
SteamSetAppVersion
SteamSetCacheDefaultDirectory
SteamSetMaxStallCount
SteamSetNotificationCallback
SteamSetUser
SteamSetUser2
SteamSetvBuf
SteamShutdownEngine
SteamShutdownSteamBridgeInterface
SteamShutdownUserIDTicketValidator
SteamSizeFile
SteamSizeFile64
SteamStartEngine
SteamStartEngineEx
SteamStartLoadingCache
SteamStartValidatingNewValveCDKey
SteamStartValidatingUserIDTicket
SteamStartup
SteamStat
SteamStat64
SteamStopLoadingCache
SteamSubscribe
SteamTellFile
SteamTellFile64
SteamUninstall
SteamUnmountAppFilesystem
SteamUnmountFilesystem
SteamUnsubscribe
SteamUpdateAccountBillingInfo
SteamUpdateSubscriptionBillingInfo
SteamVerifyEmailAddress
SteamVerifyPassword
SteamWaitForAppReadyToLaunch
SteamWaitForAppResources
SteamWaitForResources
SteamWasBlobRegistryDeleted
SteamWeakVerifyNewValveCDKey
SteamWriteFile
SteamWriteMiniDumpFromAssert
SteamWriteMiniDumpSetComment
SteamWriteMiniDumpUsingExceptionInfo
SteamWriteMiniDumpUsingExceptionInfoWithBuildId
SteamWriteMiniDumpWithAppID
Win32MiniDumpInit
_f

Sections

.text
Size: 2.0MB - Virtual size: 2.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 496KB - Virtual size: 495KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 72KB - Virtual size: 81KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 36KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 184KB - Virtual size: 182KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1f0b7025d8bc94b2fa32a54f1cc948b4

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

18:da:d1:9e:26:7d:e8:bb:4a:21:58:cd:cc:6b:3b:4aCertificate

Key Usages

47:a9:38:ed:c7:ae:ac:8d:c7:1d:cb:b4:b4:f6:11:f8Certificate

Extended Key Usages

Key Usages

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7Certificate

Extended Key Usages

Key Usages

47:2e:4a:07:92:d8:cd:b5:d0:55:07:dc:f6:17:09:2a:94:15:6a:07Signer

Signature Validations

Verification

14/02/2014, 01:58 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

version

ws2_32

shlwapi

kernel32

user32

advapi32

shell32

Exports

Exports

Sections

.text Size: 2.0MB - Virtual size: 2.0MB

.rdata Size: 496KB - Virtual size: 495KB

.data Size: 72KB - Virtual size: 81KB

.rsrc Size: 36KB - Virtual size: 34KB

.reloc Size: 184KB - Virtual size: 182KB

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

18:da:d1:9e:26:7d:e8:bb:4a:21:58:cd:cc:6b:3b:4a
Certificate

47:a9:38:ed:c7:ae:ac:8d:c7:1d:cb:b4:b4:f6:11:f8
Certificate

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

47:2e:4a:07:92:d8:cd:b5:d0:55:07:dc:f6:17:09:2a:94:15:6a:07
Signer

14/02/2014, 01:58
Valid: false

.text
Size: 2.0MB - Virtual size: 2.0MB

.rdata
Size: 496KB - Virtual size: 495KB

.data
Size: 72KB - Virtual size: 81KB

.rsrc
Size: 36KB - Virtual size: 34KB

.reloc
Size: 184KB - Virtual size: 182KB