MS-RPRN[.]exe | Triage

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General

Target

MS-RPRN.exe
Size

118KB
MD5

dd131b3067221f4c7d675cbe303ccd80
SHA1

182f9ffb0ee4df10b0179e45c157c8cad4b97883
SHA256

fe385fa26438df8afc8baeede6a95f0b7aa642a02450c1b9133c1550d85f1348
SHA512

9fbd067f7313e03e3f384f3f8356262dfd0ffd86036379f4ca1beed757a9ff9dc4f3d07a5abc918968b31e4131bb9f70b137da5c48b128432ab004cf0d3c5cc0
SSDEEP

3072:vhtAla02aEluZyxPdbD/YtYV9uB7BNjY:vW4gyxVHIVRY

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
MS-RPRN.exe

Files

MS-RPRN.exe
.exe windows:6 windows x64 arch:x64

d95483e4ed830f0939ce70fde883d53a

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

PDB Paths

C:\Users\labuser\Downloads\SpoolSample-master\x64\Release\MS-RPRN.pdb

Imports

kernel32

LocalFree
RaiseException
CreateFileW
WriteConsoleW
SetFilePointerEx
HeapReAlloc
HeapSize
GetConsoleMode
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
GetLastError
GetModuleFileNameW
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
GetStdHandle
WriteFile
MultiByteToWideChar
WideCharToMultiByte
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
GetFileType
CloseHandle
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetStringTypeW
GetProcessHeap
FlushFileBuffers
GetConsoleCP
FormatMessageW

shell32

CommandLineToArgvW

rpcrt4

NdrClientCall2
RpcBindingFree
RpcStringFreeW
RpcBindingFromStringBindingW
RpcStringBindingComposeW

advapi32

SystemFunction036

Exports

Exports

DoStuff

Sections

.text
Size: 65KB - Virtual size: 64KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d95483e4ed830f0939ce70fde883d53a

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

shell32

rpcrt4

advapi32

Exports

Exports

Sections

.text Size: 65KB - Virtual size: 64KB

.rdata Size: 43KB - Virtual size: 42KB

.data Size: 2KB - Virtual size: 7KB

.pdata Size: 4KB - Virtual size: 3KB

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 65KB - Virtual size: 64KB

.rdata
Size: 43KB - Virtual size: 42KB

.data
Size: 2KB - Virtual size: 7KB

.pdata
Size: 4KB - Virtual size: 3KB

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 2KB - Virtual size: 1KB