Report - NexusRAT.exe

Generic Malware Malicious Packer Malicious Library Antivirus AntiDebug AntiVM PE File PE32
ScreenShot
Created 2021.09.12 15:01 Machine s1_win7_x6401
Filename NexusRAT.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
14
Behavior Score
7.4
ZERO API file : malware
VT API (file) 31 detected (AIDetect, malware1, Tiny, trFe, malicious, high confidence, score, FuerboosPMF, S18713185, MalGenrc, Tool, Lazagne, Save, Attribute, HighConfidence, GenericKD, Generic ML PUA, 476UDI, PowerShell, ASMalwS, Sabsik, ai score=88, Unsafe, Static AI, Malicious PE, Genetic, susgen)
md5 e60b189b5dfae48fa8cfa7e63acdd25a
sha256 605412b4ceaf25fc66306e96a347662161925ba372383ad39a28703d4ef65caa
ssdeep 3072:cq6+ouCpk2mpcWJ0r+QNTBfHM9SEiVQvflvBU3wp/qb7VBJI:cldk1cWQRNTBfM9SH2vfl0wBgB+
imphash 5877688b4859ffd051f6be3b8e0cd533
impfuzzy 48:YMaG/U3WrCpt1vJOI40EdXlqSZ/g/KA/kEUEk1WSY+09AEFXolvyAobFzGJ6tn63:YnmU3aCpt1vJh400XlZW4wvIow
  Network IP location

Signature (20cnts)

Level Description
danger File has been identified by 31 AntiVirus engines on VirusTotal as malicious
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch The process powershell.exe wrote an executable file to disk
notice A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates a shortcut to an executable file
notice Creates a suspicious process
notice Creates executable files on the filesystem
notice The binary likely contains encrypted or compressed data indicative of a packer
notice Uses Windows utilities for basic Windows functionality
notice Yara rule detected in process memory
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Collects information to fingerprint the system (MachineGuid
info Command line console output was observed
info Queries for the computername
info The executable contains unknown PE section names indicative of a packer (could be a false positive)
info The executable uses a known packer
info Uses Windows APIs to generate a cryptographic key

Rules (15cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Antivirus Contains references to security software binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch Malicious_Packer_Zero Malicious Packer binaries (upload)
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerException__SetConsoleCtrl (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

MSVCRT.dll
 0x417470 memset
 0x417474 wcsncmp
 0x417478 memmove
 0x41747c wcsncpy
 0x417480 wcsstr
 0x417484 _wcsnicmp
 0x417488 _wcsdup
 0x41748c free
 0x417490 _wcsicmp
 0x417494 wcslen
 0x417498 wcscpy
 0x41749c wcscmp
 0x4174a0 memcpy
 0x4174a4 tolower
 0x4174a8 wcscat
 0x4174ac malloc
KERNEL32.dll
 0x4174b4 GetModuleHandleW
 0x4174b8 HeapCreate
 0x4174bc GetStdHandle
 0x4174c0 HeapDestroy
 0x4174c4 ExitProcess
 0x4174c8 WriteFile
 0x4174cc GetTempFileNameW
 0x4174d0 LoadLibraryExW
 0x4174d4 EnumResourceTypesW
 0x4174d8 FreeLibrary
 0x4174dc RemoveDirectoryW
 0x4174e0 GetExitCodeProcess
 0x4174e4 EnumResourceNamesW
 0x4174e8 GetCommandLineW
 0x4174ec LoadResource
 0x4174f0 SizeofResource
 0x4174f4 FreeResource
 0x4174f8 FindResourceW
 0x4174fc GetNativeSystemInfo
 0x417500 GetShortPathNameW
 0x417504 GetWindowsDirectoryW
 0x417508 GetSystemDirectoryW
 0x41750c EnterCriticalSection
 0x417510 CloseHandle
 0x417514 LeaveCriticalSection
 0x417518 InitializeCriticalSection
 0x41751c WaitForSingleObject
 0x417520 TerminateThread
 0x417524 CreateThread
 0x417528 Sleep
 0x41752c GetProcAddress
 0x417530 GetVersionExW
 0x417534 WideCharToMultiByte
 0x417538 HeapAlloc
 0x41753c HeapFree
 0x417540 LoadLibraryW
 0x417544 GetCurrentProcessId
 0x417548 GetCurrentThreadId
 0x41754c GetModuleFileNameW
 0x417550 GetEnvironmentVariableW
 0x417554 SetEnvironmentVariableW
 0x417558 GetCurrentProcess
 0x41755c TerminateProcess
 0x417560 SetUnhandledExceptionFilter
 0x417564 HeapSize
 0x417568 MultiByteToWideChar
 0x41756c CreateDirectoryW
 0x417570 SetFileAttributesW
 0x417574 GetTempPathW
 0x417578 DeleteFileW
 0x41757c GetCurrentDirectoryW
 0x417580 SetCurrentDirectoryW
 0x417584 CreateFileW
 0x417588 SetFilePointer
 0x41758c TlsFree
 0x417590 TlsGetValue
 0x417594 TlsSetValue
 0x417598 TlsAlloc
 0x41759c HeapReAlloc
 0x4175a0 DeleteCriticalSection
 0x4175a4 InterlockedCompareExchange
 0x4175a8 InterlockedExchange
 0x4175ac GetLastError
 0x4175b0 SetLastError
 0x4175b4 UnregisterWait
 0x4175b8 GetCurrentThread
 0x4175bc DuplicateHandle
 0x4175c0 RegisterWaitForSingleObject
USER32.DLL
 0x4175c8 CharUpperW
 0x4175cc CharLowerW
 0x4175d0 MessageBoxW
 0x4175d4 DefWindowProcW
 0x4175d8 DestroyWindow
 0x4175dc GetWindowLongW
 0x4175e0 GetWindowTextLengthW
 0x4175e4 GetWindowTextW
 0x4175e8 UnregisterClassW
 0x4175ec LoadIconW
 0x4175f0 LoadCursorW
 0x4175f4 RegisterClassExW
 0x4175f8 IsWindowEnabled
 0x4175fc EnableWindow
 0x417600 GetSystemMetrics
 0x417604 CreateWindowExW
 0x417608 SetWindowLongW
 0x41760c SendMessageW
 0x417610 SetFocus
 0x417614 CreateAcceleratorTableW
 0x417618 SetForegroundWindow
 0x41761c BringWindowToTop
 0x417620 GetMessageW
 0x417624 TranslateAcceleratorW
 0x417628 TranslateMessage
 0x41762c DispatchMessageW
 0x417630 DestroyAcceleratorTable
 0x417634 PostMessageW
 0x417638 GetForegroundWindow
 0x41763c GetWindowThreadProcessId
 0x417640 IsWindowVisible
 0x417644 EnumWindows
 0x417648 SetWindowPos
GDI32.DLL
 0x417650 GetStockObject
COMCTL32.DLL
 0x417658 InitCommonControlsEx
SHELL32.DLL
 0x417660 ShellExecuteExW
 0x417664 SHGetFolderLocation
 0x417668 SHGetPathFromIDListW
WINMM.DLL
 0x417670 timeBeginPeriod
OLE32.DLL
 0x417678 CoInitialize
 0x41767c CoTaskMemFree
SHLWAPI.DLL
 0x417684 PathAddBackslashW
 0x417688 PathRenameExtensionW
 0x41768c PathQuoteSpacesW
 0x417690 PathRemoveArgsW
 0x417694 PathRemoveBackslashW

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure