Report - winfuck.exe

AsyncRAT backdoor PWS .NET framework Antivirus Admin Tool (Sysinternals etc ...) PE File .NET EXE PE32
ScreenShot
Created 2021.06.21 13:00 Machine s1_win7_x6401
Filename winfuck.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
6.2
ZERO API file : malware
VT API (file) 26 detected (Kryptik, Eldorado, malicious, high confidence, Fantom, Unsafe, Save, ZemsilF, fq0@aeBPs@o, AGEN, CoinMiner, score, ai score=87, ET#98%, RDMK, cmRtazr0xex7Yr4, sCxMm, jI0EKe, Static AI, Malicious PE, confidence)
md5 53cc9d24a2dacc86819a40ac71819870
sha256 dddc6e6e5271c1c1cebb0dae200186971a8111d804ecc087398900a80c37c5f9
ssdeep 1536:t2GWWE8Czm/hutvdMnXYHfliQv9Xz4M2KKZHZcpfR0Wq7xwTYR:4fzm/4tVMX8EQNz4M2NZHZkrqVTR
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (16cnts)

Level Description
warning File has been identified by 26 AntiVirus engines on VirusTotal as malicious
watch Creates a suspicious Powershell process
watch Installs itself for autorun at Windows startup
watch The process powershell.exe wrote an executable file to disk
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 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 Queries for the computername
info The executable contains unknown PE section names indicative of a packer (could be a false positive)
info Uses Windows APIs to generate a cryptographic key

Rules (11cnts)

Level Name Description Collection
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (download)
watch Antivirus Contains references to security software binaries (download)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (download)
info Is_DotNET_EXE (no description) binaries (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
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 (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

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