RdpSa[.]exe | Triage

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General

Target

RdpSa.exe
Size

38KB
MD5

25049592e0f21d6dc63569731c3dd244
SHA1

dabcdc53ed62044a77edd378c7375a343e8f3418
SHA256

9cb261a036e78918845f37942f8f13cf2e25476d2df5c9bc9ee2d5f4c8c12331
SHA512

de338f840efc3dbeb076cd43beb0b2fa307bf78032cd667505f325717137c3f5a7aa27eb2d75a35a3d2edeca61fe512764b408937d987069ae152f0a2d77631a
SSDEEP

384:bE28bmDnHPoFT8i8MlhsXD5Ge3XS3YvWh4bW4DlZrxYvXq0gEbNB7u49E7WFJW/V:F8AnvuoDMoDv3XyT4hfrxpYREOIV

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
RdpSa.exe

Files

RdpSa.exe
.exe windows:10 windows x86

a3a4d9445be1b9a0888c64afae7927b9

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

advapi32

TraceMessage
GetTraceLoggerHandle
GetTraceEnableLevel
GetTraceEnableFlags
RegisterTraceGuidsW
UnregisterTraceGuids
OpenProcessToken
RegOpenKeyExW
RegNotifyChangeKeyValue
RegGetValueW
SetSecurityInfo
AddAce
GetAce
AddAccessDeniedAce
InitializeAcl
GetLengthSid
GetSecurityInfo
GetTokenInformation

kernel32

CreateEventW
Sleep
WaitForSingleObject
MapViewOfFile
SetEvent
UnmapViewOfFile
FormatMessageW
LocalFree
HeapFree
GetProcessHeap
LocalAlloc
TerminateProcess
UnhandledExceptionFilter
GetTickCount
GetSystemTimeAsFileTime
GetCurrentThreadId
QueryPerformanceCounter
GetModuleHandleA
SetUnhandledExceptionFilter
GetStartupInfoW
HeapAlloc
FreeLibrary
GetProcAddress
GetModuleHandleExA
GetLastError
HeapReAlloc
HeapSetInformation
GetCurrentProcess
GetCurrentProcessId
ProcessIdToSessionId
CloseHandle

user32

DestroyWindow
KillTimer
CreateWindowExW
RegisterClassExW
SetWindowLongW
GetWindowLongW
DefWindowProcW
SetTimer
GetMessageW
TranslateMessage
DispatchMessageW
PostQuitMessage
LoadStringW

msvcrt

_unlock
_lock
_wcmdln
_initterm
__setusermatherr
__p__fmode
__dllonexit
_exit
exit
__set_app_type
__wgetmainargs
_amsg_exit
__p__commode
_XcptFilter
free
_callnewh
malloc
_purecall
_vsnwprintf
_onexit
?terminate@@YAXXZ
memcmp
_controlfp
_except_handler4_common
_cexit
memset

ws2_32

FreeAddrInfoW
GetNameInfoW
GetAddrInfoW

ole32

CoInitializeSecurity
CoInitializeEx
CreateBindCtx
MkParseDisplayName
CoCreateInstance
CoUninitialize

ntdll

EtwEventWriteFull
EtwEventRegister
EtwEventUnregister

oleaut32

SysAllocString
SysStringLen
SysAllocStringByteLen
SysFreeString

winsta

WinStationShadowStop2
WinStationSendMessageW

api-ms-win-core-com-l1-1-1

CoTaskMemFree
StringFromCLSID

sspicli

GetUserNameExW

Sections

.text
Size: 28KB - Virtual size: 28KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a3a4d9445be1b9a0888c64afae7927b9

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

user32

msvcrt

ws2_32

ole32

ntdll

oleaut32

winsta

api-ms-win-core-com-l1-1-1

sspicli

Sections

.text Size: 28KB - Virtual size: 28KB

.data Size: 512B - Virtual size: 1KB

.idata Size: 3KB - Virtual size: 3KB

.rsrc Size: 2KB - Virtual size: 2KB

.reloc Size: 2KB - Virtual size: 2KB

.text
Size: 28KB - Virtual size: 28KB

.data
Size: 512B - Virtual size: 1KB

.idata
Size: 3KB - Virtual size: 3KB

.rsrc
Size: 2KB - Virtual size: 2KB

.reloc
Size: 2KB - Virtual size: 2KB