Overview

overview

10

Static

static

10

40744732f9...22.exe

windows10-2004-x64

10

40744732f9...22.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    140s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/05/2026, 04:15

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General

  • Target
    40744732f9d40e17854ae1f6c018c4e7194927d3cff033a13b0838e8e6f7f822.exe
  • Size 1.1MB
  • Sample260528-evmhkagy3x
  • SHA256 40744732f9d40e17854ae1f6c018c4e7194927d3cff033a13b0838e8e6f7f822
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoordiscoveryflyagent

Malware Config

Signatures

  • Family: FlyAgent

    FlyAgent is a backdoor written in C++.

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

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40744732f9d40e17854ae1f6c018c4e7194927d3cff033a13b0838e8e6f7f822.exe
    "C:\Users\Admin\AppData\Local\Temp\40744732f9d40e17854ae1f6c018c4e7194927d3cff033a13b0838e8e6f7f822.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:4052
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3760
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3600

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        VBS3.vbs
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
        • Size 753B
        • SHA256 cf90b838e6e745a8ade98cd6b91ff040a3e214ca0f9c8f576cf900e327d38a71
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/4052-0-0x0000000000400000-0x000000000055F000-memory.dmp
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        memory/4052-12-0x0000000000400000-0x000000000055F000-memory.dmp
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