Report - ntoskrnl.exe

UPX PE File .NET EXE PE32 OS Processor Check
ScreenShot
Created 2025.04.21 12:22 Machine s1_win7_x6403
Filename ntoskrnl.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
10.0
ZERO API file : mailcious
VT API (file) 49 detected (Xeno, MSILZilla, Unsafe, Save, malicious, confidence, 100%, Attribute, HighConfidence, high confidence, MalwareX, XWorm, CLASSIC, SpyBotNET, Real Protect, score, Static AI, Malicious PE, Detected, AsyncRat, CCJR, SiRAT, R699267, Artemis, AgentTesla, NeptuneRat, PE04C9V, susgen, CWUN3DGW)
md5 07dd36f569b35ddee9584ee558400568
sha256 d3dd2af568e62ffbce62a9141857ca47dd60cad981cd5e25aff58319ae5d5632
ssdeep 1536:e1pHELqbs/tUcYoUPUMj0UNFG2pBYXOciXOcuXOc0XOc9XOctogKUOOUk+HmeYmE:e1pHELqY/tUcYoUPUMj0UnG2pBYXOciv
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (21cnts)

Level Description
danger Connects to IP addresses that are no longer responding to requests (legitimate services will remain up-and-running usually)
danger File has been identified by 49 AntiVirus engines on VirusTotal as malicious
watch A process performed obfuscation on information about the computer or sent it to a remote location indicative of CnC Traffic/Preperations.
watch Attempts to create or modify system certificates
watch Communicates with host for which no DNS query was performed
watch Installs itself for autorun at Windows startup
notice A process created a hidden window
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 suspicious process
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 Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
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 Collects information to fingerprint the system (MachineGuid
info Command line console output was observed
info Queries for the computername

Rules (5cnts)

Level Name Description Collection
watch UPX_Zero UPX packed file binaries (upload)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (6cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
https://raw.githubusercontent.com/76bh/img/main/Imagenep.png US FASTLY 185.199.110.133 clean
raw.githubusercontent.com US FASTLY 185.199.109.133 malware
abolhb.com RU LTD Objedinennaja Setevaja Kompanija 176.97.210.4 clean
45.83.207.17 GB Clouvider Limited 45.83.207.17 malware
185.199.110.133 US FASTLY 185.199.110.133 malware
176.97.210.4 RU LTD Objedinennaja Setevaja Kompanija 176.97.210.4 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