rsn[.]exe | Triage

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General

Target

rsn.exe
Size

4.9MB
MD5

4fc1036acff2a543816f730a3a3ed843
SHA1

f32128e128a74571305dbe7bca3007cb3efd1f0c
SHA256

984f8a85308a25e81e1c20ec5570b7cbd1ce29cbba2ffc73063b2b5dd679f523
SHA512

efef32e9a07e42f3118b81b707d7b1ba253378bd71b9bdc9d3c8ffe305ec57defd29868139ed46704b499e1adb89404e1388bdbffa9df9e1a32692ac8e734a69
SSDEEP

98304:0aYhRm0dX21Wp9IIXWKsEE93w33IOwLoBnejXs:AuWp9IQsEEin

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
rsn.exe

Files

rsn.exe
.exe windows:4 windows x64 arch:x64

5f26529c9d5e94bcd0a94f173f6cd6fa

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

api-ms-win-core-synch-l1-2-0

WaitOnAddress
WakeByAddressAll
WakeByAddressSingle

bcryptprimitives

ProcessPrng

kernel32

AddVectoredExceptionHandler
CancelIo
CloseHandle
CompareStringOrdinal
CopyFileExW
CreateDirectoryW
CreateEventW
CreateFileMappingA
CreateFileW
CreateHardLinkW
CreateNamedPipeW
CreateProcessW
CreateSymbolicLinkW
CreateThread
CreateToolhelp32Snapshot
CreateWaitableTimerExW
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DeviceIoControl
DuplicateHandle
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileW
FindNextFileW
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
GetCommandLineW
GetConsoleMode
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileType
GetFinalPathNameByHandleW
GetFullPathNameW
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetProcessId
GetStartupInfoA
GetStdHandle
GetSystemDirectoryW
GetSystemInfo
GetSystemTimePreciseAsFileTime
GetTempPathW
GetWindowsDirectoryW
HeapAlloc
HeapFree
HeapReAlloc
InitOnceBeginInitialize
InitOnceComplete
InitializeCriticalSection
InitializeProcThreadAttributeList
LeaveCriticalSection
MapViewOfFile
Module32FirstW
Module32NextW
MoveFileExW
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
ReadFileEx
RemoveDirectoryW
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetCurrentDirectoryW
SetEnvironmentVariableW
SetFileAttributesW
SetFileInformationByHandle
SetFilePointerEx
SetFileTime
SetHandleInformation
SetLastError
SetThreadStackGuarantee
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SleepEx
SwitchToThread
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnmapViewOfFile
UpdateProcThreadAttribute
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte
WriteConsoleW
WriteFileEx
__C_specific_handler

msvcrt

__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_commode
_fmode
_fpreset
_initterm
_onexit
abort
calloc
exit
fprintf
free
fwrite
malloc
memcmp
memcpy
memmove
memset
signal
strlen
strncmp
vfprintf

ntdll

NtCreateFile
NtReadFile
NtWriteFile
RtlNtStatusToDosError

userenv

GetUserProfileDirectoryW

ws2_32

WSACleanup
WSADuplicateSocketW
WSAGetLastError
WSARecv
WSASend
WSASocketW
WSAStartup
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
getpeername
getsockname
getsockopt
ioctlsocket
listen
recv
recvfrom
select
send
sendto
setsockopt
shutdown

Sections

.text
Size: 643KB - Virtual size: 643KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 464B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 157KB - Virtual size: 156KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 26KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 672B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 104B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 512B - Virtual size: 416B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 626KB - Virtual size: 626KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/35
Size: 918KB - Virtual size: 917KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/47
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/61
Size: 351KB - Virtual size: 350KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/73
Size: 1024B - Virtual size: 736B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/86
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/97
Size: 512B - Virtual size: 162B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/113
Size: 528KB - Virtual size: 528KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/127
Size: 1024B - Virtual size: 1001B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/143
Size: 512B - Virtual size: 23B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5f26529c9d5e94bcd0a94f173f6cd6fa

Headers

DLL Characteristics

File Characteristics

Imports

api-ms-win-core-synch-l1-2-0

bcryptprimitives

kernel32

msvcrt

ntdll

userenv

ws2_32

Sections

.text Size: 643KB - Virtual size: 643KB

.data Size: 512B - Virtual size: 464B

.rdata Size: 157KB - Virtual size: 156KB

.pdata Size: 26KB - Virtual size: 25KB

.xdata Size: 44KB - Virtual size: 43KB

.bss Size: - Virtual size: 672B

.idata Size: 7KB - Virtual size: 6KB

.CRT Size: 512B - Virtual size: 104B

.tls Size: 512B - Virtual size: 16B

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

/4 Size: 512B - Virtual size: 416B

/19 Size: 626KB - Virtual size: 626KB

/35 Size: 918KB - Virtual size: 917KB

/47 Size: 4KB - Virtual size: 4KB

/61 Size: 351KB - Virtual size: 350KB

/73 Size: 1024B - Virtual size: 736B

/86 Size: 1.3MB - Virtual size: 1.3MB

/97 Size: 512B - Virtual size: 162B

/113 Size: 528KB - Virtual size: 528KB

/127 Size: 1024B - Virtual size: 1001B

/143 Size: 512B - Virtual size: 23B

.text
Size: 643KB - Virtual size: 643KB

.data
Size: 512B - Virtual size: 464B

.rdata
Size: 157KB - Virtual size: 156KB

.pdata
Size: 26KB - Virtual size: 25KB

.xdata
Size: 44KB - Virtual size: 43KB

.bss
Size: - Virtual size: 672B

.idata
Size: 7KB - Virtual size: 6KB

.CRT
Size: 512B - Virtual size: 104B

.tls
Size: 512B - Virtual size: 16B

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

/4
Size: 512B - Virtual size: 416B

/19
Size: 626KB - Virtual size: 626KB

/35
Size: 918KB - Virtual size: 917KB

/47
Size: 4KB - Virtual size: 4KB

/61
Size: 351KB - Virtual size: 350KB

/73
Size: 1024B - Virtual size: 736B

/86
Size: 1.3MB - Virtual size: 1.3MB

/97
Size: 512B - Virtual size: 162B

/113
Size: 528KB - Virtual size: 528KB

/127
Size: 1024B - Virtual size: 1001B

/143
Size: 512B - Virtual size: 23B