SteamtoolsSetup[.]exe

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General

Target

SteamtoolsSetup.exe
Size

978KB
MD5

bbf15e65d4e3c3580fc54adf1be95201
SHA1

79091be8f7f7a6e66669b6a38e494cf7a62b5117
SHA256

c9f2e2abb046ff2535537182edf9a9b748aa10a22e98a1d8c948d874f4ffb304
SHA512

9bb261b4ed84af846e07ffb6352960687e59428fd497faa0a37d70b57a1a7430d48ac350fbb0c3f0f11e4231a98ebca4d6923deba0949fdd7a247a3c02737355
SSDEEP

24576:4Fa9OUi2VoN2gZ1M8UQag3BXrYZt+GgGTfG74T+TRcL:Z9OUiTN2gZ1MExEZkkf+4TARg

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

SteamtoolsSetup.exe

resource
SteamtoolsSetup.exe

Files

SteamtoolsSetup.exe
.exe windows:6 windows x64 arch:x64

aa12b10b1679206dac295d5bb9ba213b

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

crypt32

CertCreateCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
CertOpenStore
CertAddCertificateContextToStore
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertFreeCertificateChain

wldap32

ord301
ord200
ord30
ord143
ord46
ord211
ord60
ord45
ord50
ord41
ord22
ord26
ord27
ord32
ord33
ord35
ord79

ws2_32

gethostname
sendto
recvfrom
WSAEventSelect
WSAEnumNetworkEvents
WSACreateEvent
WSACloseEvent
freeaddrinfo
getaddrinfo
ntohl
ioctlsocket
listen
htonl
socket
send
recv
closesocket
accept
WSACleanup
WSAStartup
WSAIoctl
setsockopt
ntohs
htons
getsockopt
getsockname
getpeername
connect
bind
WSASetLastError
select
__WSAFDIsSet
inet_pton
WSAGetLastError

kernel32

HeapSize
SetEndOfFile
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
GetACP
IsValidCodePage
GetTimeZoneInformation
SetStdHandle
HeapReAlloc
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
FlsFree
FlsSetValue
FlsGetValue
FlsAlloc
CreateProcessW
GetExitCodeProcess
WaitForSingleObject
HeapFree
FlushFileBuffers
HeapAlloc
GetConsoleOutputCP
ReadConsoleW
GetConsoleMode
GetCommandLineW
GetCommandLineA
ExitProcess
GetModuleFileNameW
WriteFile
SetFilePointerEx
GetStdHandle
SetCurrentConsoleFontEx
GetFileAttributesW
MultiByteToWideChar
WriteConsoleW
SetConsoleCP
SetConsoleOutputCP
GetLastError
SetLastError
FormatMessageW
QueryPerformanceCounter
GetTickCount
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
Sleep
SleepEx
QueryPerformanceFrequency
GetSystemDirectoryA
FreeLibrary
GetModuleHandleA
GetProcAddress
LoadLibraryA
MoveFileExA
CloseHandle
WaitForSingleObjectEx
WideCharToMultiByte
GetEnvironmentVariableA
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
VerSetConditionMask
VerifyVersionInfoA
CreateFileA
GetFileSizeEx
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
GetModuleHandleExW
FreeLibraryAndExitThread
ExitThread
CreateThread
LoadLibraryExW
RaiseException
RtlPcToFileHeader
RtlUnwindEx
CreateFileW
InitializeSListHead
GetCurrentThreadId
GetCurrentProcessId
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
GetCurrentDirectoryW
CreateDirectoryW
RtlUnwind
DeleteFileW
FindClose
FindFirstFileExW
FindNextFileW
GetFileAttributesExW
GetFileInformationByHandle
GetFullPathNameW
RemoveDirectoryW
GetTempPathW
AreFileApisANSI
GetModuleHandleW
MoveFileExW
GetStringTypeW
InitializeCriticalSectionAndSpinCount
CreateEventW
SwitchToThread
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
SetEvent
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess

advapi32

CryptDestroyHash
RegQueryValueExA
RegCloseKey
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptGenRandom
CryptCreateHash
CryptHashData
CryptDestroyKey
CryptImportKey
CryptEncrypt
RegOpenKeyExA

shell32

SHGetFolderPathW
ShellExecuteW

ole32

CoUninitialize
CoCreateInstance
CoInitialize

Sections

.text
Size: 667KB - Virtual size: 666KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 214KB - Virtual size: 213KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 29KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gehcont
Size: 512B - Virtual size: 36B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 42KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

aa12b10b1679206dac295d5bb9ba213b

Headers

DLL Characteristics

File Characteristics

Imports

crypt32

wldap32

ws2_32

kernel32

advapi32

shell32

ole32

Sections

.text Size: 667KB - Virtual size: 666KB

.rdata Size: 214KB - Virtual size: 213KB

.data Size: 7KB - Virtual size: 13KB

.pdata Size: 29KB - Virtual size: 29KB

.gxfg Size: 11KB - Virtual size: 11KB

.gehcont Size: 512B - Virtual size: 36B

.rsrc Size: 42KB - Virtual size: 42KB

.reloc Size: 5KB - Virtual size: 4KB

.text
Size: 667KB - Virtual size: 666KB

.rdata
Size: 214KB - Virtual size: 213KB

.data
Size: 7KB - Virtual size: 13KB

.pdata
Size: 29KB - Virtual size: 29KB

.gxfg
Size: 11KB - Virtual size: 11KB

.gehcont
Size: 512B - Virtual size: 36B

.rsrc
Size: 42KB - Virtual size: 42KB

.reloc
Size: 5KB - Virtual size: 4KB