Overview

overview

10

Static

static

10

85c31266d5...b4.exe

windows10-2004-x64

10

85c31266d5...b4.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    52s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/10/2026, 04:34

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    85c31266d54af9b6617baa7aa13a1043e4aa062dd899043173e716d26b8b49b4.exe
  • Size 1.1MB
  • Sample261009-e647rayvfz
  • SHA256 85c31266d54af9b6617baa7aa13a1043e4aa062dd899043173e716d26b8b49b4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoordiscoveryexecutionflyagent

Malware Config

Signatures

  • Family: FlyAgent

    FlyAgent is a backdoor written in C++.

    backdoorflyagent
  • Detects FlyAgent Backdoor 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes a VBScript file via the Windows Script Host. 1 TTPs 3 IoCs
    execution
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\85c31266d54af9b6617baa7aa13a1043e4aa062dd899043173e716d26b8b49b4.exe
    "C:\Users\Admin\AppData\Local\Temp\85c31266d54af9b6617baa7aa13a1043e4aa062dd899043173e716d26b8b49b4.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4408
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Executes a VBScript file via the Windows Script Host.
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:3876
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Executes a VBScript file via the Windows Script Host.
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:1680
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Executes a VBScript file via the Windows Script Host.
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:3328

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        VBS3.vbs
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
        • Size 753B
        • SHA256 5c45be2d2eaa65a0245df0027f3859ab5c6f9bbb7e34a7429323571d369f2c35
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/4408-0-0x0000000000400000-0x000000000055F000-memory.dmp
        Download

        memory/4408-15-0x0000000000400000-0x000000000055F000-memory.dmp
        Download

        memory/4408-14-0x0000000000400000-0x000000000055F000-memory.dmp
        Download