Threat Database Trojans Trojan.MSIL.Downloader.ACHC

Trojan.MSIL.Downloader.ACHC

By CagedTech in Trojans

Analysis Report

General information

Family Name: Trojan.MSIL.Downloader.ACHC
Signature status: No Signature

Known Samples

MD5: 117740da64a9db6c01ecee356428f9eb
SHA1: f4bb2da59b6a83adc34a0a83a654d570f314473a
SHA256: EAA80B03DD7F666AF74E4657ED3BC87A5B772A6CADDCE17BD9FE56A7C17D5896
File Size: 410.11 KB, 410112 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File is .NET application
  • File is 32-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Assembly Version 1.0.0.0
Comments Handles system-level update tasks
Company Name Microsoft Corporation
File Description Windows Update Host
File Version 1.0.0.0
Internal Name winupdate.exe
Legal Copyright Copyright © 2025
Original Filename winupdate.exe
Product Name Windows Background Service
Product Version 1.0.0.0

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 939
Potentially Malicious Blocks: 466
Whitelisted Blocks: 473
Unknown Blocks: 0

Visual Map

x x x x 0 0 0 0 x 0 x x x x x x x 0 0 0 0 x x x x x x x x 0 x x 0 0 0 0 0 0 0 0 x x x x 0 x x 0 x x x x 0 x 0 0 x 0 x 0 0 x 0 0 x x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x 0 0 0 0 x x x x x x x x x x 0 x x 0 x x x x 0 x 0 0 0 x 0 x x 0 0 0 0 x x 0 0 x 0 0 0 0 0 0 x 0 0 0 0 0 0 0 x 0 0 x x x x x x x x x 0 x 0 0 x 0 x 0 0 x x x 0 x x 0 0 0 x 0 0 0 x x 0 x x x x x 0 x x 0 x x x x 0 0 x x x x x 0 x 0 0 0 0 0 0 0 x x x x x x x 0 0 0 0 0 0 0 0 0 x x x x x x x x x x 0 0 x 0 0 0 x x x 0 0 x 0 x x x x 0 x x x x x x x x x x x x 0 0 x 0 0 0 x x x x 0 0 0 x x x x x 0 0 0 x 0 x 0 x 0 0 0 x x 0 0 0 0 0 0 x x x x 0 0 0 x 0 0 0 x x x x 0 x x x x 0 x x x x x 0 x x x x 0 x x x x x x x x 0 0 x 0 0 0 0 0 0 0 x 0 0 x x 0 0 0 0 x 0 x x 0 0 0 0 0 0 x x x x x 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x x 0 x 0 0 x 0 0 0 0 0 0 0 0 0 0 x x x 0 0 x 0 0 0 0 0 x 0 0 0 0 0 0 0 x 0 0 x x x 0 0 x x x x 0 0 0 0 x x 0 x x x 0 0 0 0 x x x x x x x 0 0 0 0 x 0 0 x 0 0 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x x x x 0 0 x 0 0 x 0 x 0 0 x 0 x 0 x x x x x 0 x x 0 0 0 0 x x x x 0 x x 0 0 x 0 x 0 0 x 0 x 0 x 0 0 0 x x x 0 0 0 x x 0 x 0 x 0 x x x x 0 x x 0 0 x 0 x 0 0 x 0 x x x x x x x 0 0 x 0 0 x x x 0 x x x 0 x x x x x x 0 x x x x x x x x 0 0 0 0 0 0 0 0 0 x x 0 0 0 0 0 0 0 0 0 x 0 0 0 x x x 0 x x x x x 0 x x x x x x 0 0 0 0 x x x x x 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 x 0 x 0 x x x x x x x x x x x x x x x x x x x x x x x x x x 0 0 x 0 x x x x x x x 0 0 0 x x x x 0 0 0 0 0 x 0 0 0 0 0 0 0 x x x 0 0 0 0 0 0 0 x x x x 0 0 0 x 0 0 x x x 0 0 0 0 x x 0 x x 0 x 0 0 0 0 0 0 0 0 x 0 0 0 x 0 x x 0 x x 0 0 0 0 x 0 x 0 x x 0 x 0 0 x 0 0 x x x x x x 0 0 0 0 x x 0 0 x x x 0 x x 0 x 0 0 0 0 0 0 x x x x 0 0 x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x 0 0 0 x x 0 x x 0 0 x x 0 0 0 0 0 0 0 0 0 x x x x x x x 0 0 0 x 0 x x x x x x x 0 0 x 0 0 x 0 0 0 0 x x x x 0 x x x x x x x 0 0 0 x x 0 x 0 0 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • MSIL.Agent.SKA
  • MSIL.Downloader.ACGA
  • MSIL.Downloader.ACHC

Windows API Usage

Category API
User Data Access
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent