Report - New-Client.exe

AsyncRAT backdoor Generic Malware PE File .NET EXE PE32 GIF Format DLL .NET DLL
ScreenShot
Created 2021.06.24 09:46 Machine s1_win7_x6402
Filename New-Client.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
12.2
ZERO API file : clean
VT API (file) 42 detected (malicious, high confidence, LimeRAT, MsilFC, S9414873, Unsafe, Save, CrypterX, Barys, Tasker, DownLoader29, Coinminer, A + Mal, Gen8, score, GenericRXIJ, ai score=85, AntiVM, CLASSIC, Static AI, Malicious PE, ZemsilF, cmW@aCWZHad, GdSda, confidence, 100%, susgen)
md5 7f6dae2e601ef2426f17d1e401be4ff9
sha256 9e03afa6974efc9de0fb7dbab12febec78e0f54ce566c501aa74106b965de30f
ssdeep 384:pB+Sbj6NK4jD6+SAHWeTfqD/Akh8c47R0ivDKNrCeJE3WNgVzfkd0hPurQQro3lR:Dp4P6+SwWLnhU7R0w45NdSJ9jXXIuQy
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (28cnts)

Level Description
danger File has been identified by 42 AntiVirus engines on VirusTotal as malicious
watch A process attempted to delay the analysis task.
watch Attempts to remove evidence of file being downloaded from the Internet
watch Communicates with host for which no DNS query was performed
watch Created a process named as a common system process
watch Creates or sets a registry key to a long series of bytes
watch Deletes executed files from disk
watch Installs itself for autorun at Windows startup
watch Looks for the Windows Idle Time to determine the uptime
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks adapter addresses which can be used to detect virtual network interfaces
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 Drops a binary and executes it
notice Drops an executable to the user AppData folder
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Uses Windows utilities for basic Windows functionality
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Command line console output was observed
info One or more processes crashed
info Queries for the computername
info Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (13cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (upload)
info Is_DotNET_DLL (no description) binaries (download)
info Is_DotNET_EXE (no description) binaries (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info Lnk_Format_Zero LNK Format binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (download)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://52.221.201.97/url.txt SG AMAZON-02 52.221.201.97 clean
52.221.201.97 SG AMAZON-02 52.221.201.97 clean

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x402000 _CorExeMain

EAT(Export Address Table) is none



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