rsx[.]exe | Triage

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General

Target

rsx.exe
Size

5.3MB
MD5

b4eb9c718c84304846ff81dbbd5eacff
SHA1

8e5de1ee7ce582a5bea5331c53bdd5544311b59a
SHA256

48fb201f0f49e87d1777281dbf2010f92ac342e6d2cc3b9809a4893bf6897a74
SHA512

f3e82a9c4a556db78c631946724d7eb17b239badf918c283d54b7944268f2601e252e9ae42da9a2f938e3ff45904abccf46fdaf6e9b0f4b29f1d6a2d78723fbc
SSDEEP

49152:QkeV7BZZCMzUNG3hFALPcKRhTH/Wzc5BNwuJWUHwshDtwG/0MTK2Dj/ksmErM/ub:4b/LhFAFhscnkH5t9qR/VswMk

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
rsx.exe

Files

rsx.exe
.exe windows:6 windows x64 arch:x64

adc5d1ef9ada81f011579584783ba8ea

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

ntdll

NtDeviceIoControlFile
NtCreateFile
NtWriteFile
NtReadFile
RtlNtStatusToDosError
NtCancelIoFileEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
RtlPcToFileHeader
RtlUnwindEx

kernel32

SetFileCompletionNotificationModes
WakeConditionVariable
GetModuleHandleA
GetProcAddress
GetCurrentThread
GetStdHandle
GetConsoleMode
MultiByteToWideChar
WriteConsoleW
CreateWaitableTimerExW
SetWaitableTimer
Sleep
QueryPerformanceFrequency
GetModuleHandleW
FormatMessageW
GetCurrentProcess
GetEnvironmentVariableW
GetTempPathW
GetFileInformationByHandleEx
GetFullPathNameW
FlushFileBuffers
SetFilePointerEx
FindNextFileW
CreateIoCompletionPort
FindFirstFileW
GetQueuedCompletionStatusEx
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetFinalPathNameByHandleW
SetLastError
SetHandleInformation
GetEnvironmentStringsW
FreeEnvironmentStringsW
CompareStringOrdinal
GetSystemDirectoryW
GetWindowsDirectoryW
CreateProcessW
GetFileAttributesW
DuplicateHandle
InitializeProcThreadAttributeList
UpdateProcThreadAttribute
DeleteProcThreadAttributeList
GetCurrentProcessId
CreateNamedPipeW
CreateThread
ReadFileEx
SleepEx
WriteFileEx
WaitForMultipleObjects
GetOverlappedResult
CreateEventW
CancelIo
GetFileInformationByHandle
ExitProcess
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetCurrentDirectoryW
CreateMutexA
LoadLibraryExW
LoadLibraryA
ReleaseMutex
AcquireSRWLockShared
ReleaseSRWLockShared
DeleteFileW
CopyFileExW
PostQueuedCompletionStatus
SleepConditionVariableSRW
TerminateProcess
IsProcessorFeaturePresent
InitializeSListHead
ReleaseSRWLockExclusive
SwitchToThread
SetFileInformationByHandle
GetModuleFileNameW
CreateFileW
IsDebuggerPresent
GetProcessHeap
HeapAlloc
SetThreadStackGuarantee
GetTickCount
MapViewOfFile
CreateFileMappingW
FormatMessageA
GetSystemTime
WideCharToMultiByte
FreeLibrary
SystemTimeToFileTime
GetFileSize
LockFileEx
LocalFree
UnlockFile
HeapDestroy
HeapCompact
LoadLibraryW
DeleteFileA
CreateFileA
FlushViewOfFile
OutputDebugStringW
GetFileAttributesExW
GetFileAttributesA
GetDiskFreeSpaceA
GetTempPathA
HeapSize
HeapValidate
UnmapViewOfFile
CreateMutexW
UnlockFileEx
SetEndOfFile
GetFullPathNameA
SetFilePointer
LockFile
OutputDebugStringA
GetDiskFreeSpaceW
WriteFile
HeapCreate
AreFileApisANSI
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
TryEnterCriticalSection
DeleteCriticalSection
GetCurrentThreadId
AddVectoredExceptionHandler
WakeAllConditionVariable
AcquireSRWLockExclusive
HeapReAlloc
GetSystemInfo
GetExitCodeProcess
WaitForSingleObject
GetLastError
CloseHandle
ReadFile
FindClose
TryAcquireSRWLockExclusive
HeapFree
EncodePointer
RaiseException
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CreateDirectoryW
WaitForSingleObjectEx

oleaut32

SysAllocStringLen
SafeArrayDestroy
SysFreeString
SafeArrayAccessData
SafeArrayGetUBound
SafeArrayGetLBound
SafeArrayUnaccessData
VariantClear

advapi32

AllocateAndInitializeSid
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
CheckTokenMembership
FreeSid
SystemFunction036

user32

GetMonitorInfoW
EnumDisplayMonitors
EnumDisplaySettingsExW

ws2_32

accept
WSAIoctl
getsockopt
connect
closesocket
shutdown
listen
bind
socket
getsockname
WSAGetLastError
getpeername
WSASend
setsockopt
getaddrinfo
freeaddrinfo
WSAStartup
WSACleanup
select
ioctlsocket
recv
WSASocketW
send

bcrypt

BCryptGenRandom

crypt32

CertGetCertificateChain
CertFreeCertificateChain
CryptUnprotectData
CertVerifyCertificateChainPolicy
CertOpenStore
CertFreeCertificateContext
CertCloseStore
CertDuplicateStore
CertDuplicateCertificateContext
CertEnumCertificatesInStore
CertDuplicateCertificateChain
CertAddCertificateContextToStore

secur32

AcquireCredentialsHandleA
FreeContextBuffer
InitializeSecurityContextW
AcceptSecurityContext
QueryContextAttributesW
FreeCredentialsHandle
DeleteSecurityContext
DecryptMessage
ApplyControlToken
EncryptMessage

rstrtmgr

RmGetList
RmStartSession
RmRegisterResources

gdi32

DeleteObject
GetObjectW
CreateDCW
GetDeviceCaps
DeleteDC
GetDIBits
CreateCompatibleDC
CreateCompatibleBitmap
SelectObject
SetStretchBltMode
StretchBlt

ole32

CoInitializeSecurity
CoInitializeEx
CoCreateInstance
CoSetProxyBlanket

api-ms-win-crt-math-l1-1-0

exp2f
roundf
powf
ceil
_dclass
log
truncf
pow
__setusermatherr

api-ms-win-crt-string-l1-1-0

strncmp
strcspn
strcpy_s
wcsncmp
strlen
strcmp

api-ms-win-crt-heap-l1-1-0

calloc
free
realloc
malloc
_msize
_set_new_mode

api-ms-win-crt-utility-l1-1-0

_rotl64
qsort

api-ms-win-crt-time-l1-1-0

_localtime64_s

api-ms-win-crt-runtime-l1-1-0

_set_app_type
_configure_narrow_argv
_initialize_narrow_environment
_get_initial_narrow_environment
_seh_filter_exe
_initterm_e
exit
_exit
_endthreadex
__p___argc
__p___argv
_cexit
_crt_atexit
_c_exit
_register_onexit_function
_register_thread_local_exe_atexit_callback
_initialize_onexit_table
terminate
_initterm
_beginthreadex
abort

api-ms-win-crt-stdio-l1-1-0

__p__commode
_set_fmode

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Sections

.text
Size: 3.8MB - Virtual size: 3.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 24KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 81KB - Virtual size: 81KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 34KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

adc5d1ef9ada81f011579584783ba8ea

Headers

DLL Characteristics

File Characteristics

Imports

ntdll

kernel32

oleaut32

advapi32

user32

ws2_32

bcrypt

crypt32

secur32

rstrtmgr

gdi32

ole32

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-time-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

Sections

.text Size: 3.8MB - Virtual size: 3.8MB

.rdata Size: 1.4MB - Virtual size: 1.4MB

.data Size: 24KB - Virtual size: 27KB

.pdata Size: 81KB - Virtual size: 81KB

_RDATA Size: 512B - Virtual size: 500B

.reloc Size: 34KB - Virtual size: 34KB

.text
Size: 3.8MB - Virtual size: 3.8MB

.rdata
Size: 1.4MB - Virtual size: 1.4MB

.data
Size: 24KB - Virtual size: 27KB

.pdata
Size: 81KB - Virtual size: 81KB

_RDATA
Size: 512B - Virtual size: 500B

.reloc
Size: 34KB - Virtual size: 34KB