Threat Database Backdoors Backdoor.MSIL.Agent.OAHI

Backdoor.MSIL.Agent.OAHI

By CagedTech in Backdoors

Threat Scorecard

Popularity Rank: 21,372
Threat Level: 60 % (Medium)
Infected Computers: 2
First Seen: April 26, 2026
Last Seen: May 11, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Backdoor.MSIL.Agent.OAHI
Signature status: No Signature

Known Samples

MD5: f141c9968883eab54ef72b74b0add2a0
SHA1: bc1476aab071147d2a171b17ef2767e6e4300c12
SHA256: 0591B721F1C569CB8E04CD2F0C18AC8E833D91141754B1C332CF12CF41CC1E02
File Size: 689.15 KB, 689152 bytes

Windows Portable Executable Attributes

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

Windows PE Version Information

Name Value
Assembly Version 1.0.0.0
File Description SteamSetup
File Version 1.0.0.0
Internal Name SteamSetup.exe
Legal Copyright Copyright © 2026
Original Filename SteamSetup.exe
Product Name SteamSetup
Product Version 1.0.0.0

File Traits

  • .NET
  • GenKrypt
  • HighEntropy
  • Installer Version
  • Reactor
  • Reflective
  • RijndaelManaged
  • x86

Block Information

Total Blocks: 64
Potentially Malicious Blocks: 1
Whitelisted Blocks: 55
Unknown Blocks: 8

Visual Map

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

Similar Families

  • MSIL.Agent.OAAL
  • MSIL.Agent.OAHI
  • MSIL.Krypt.EDCPB
  • MSIL.Krypt.EDCPD
  • MSIL.Tedy.F
Show More
  • MSIL.Tedy.JA

Windows API Usage

Category API
User Data Access
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Other Suspicious
  • AdjustTokenPrivileges
Encryption Used
  • BCryptOpenAlgorithmProvider

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