Overview

overview

10

Static

static

10

c6552179db...f8.exe

windows10-2004-x64

10

c6552179db...f8.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    29s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/10/2026, 11:14

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General

  • Target
    c6552179dbabb77a22dc0a3d21e39e02dfc8d6ee6d01e205b46858efbc7eddf8.exe
  • Size 1.1MB
  • Sample261017-nby7pax18k
  • SHA256 c6552179dbabb77a22dc0a3d21e39e02dfc8d6ee6d01e205b46858efbc7eddf8
  • 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
  • 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\c6552179dbabb77a22dc0a3d21e39e02dfc8d6ee6d01e205b46858efbc7eddf8.exe
    "C:\Users\Admin\AppData\Local\Temp\c6552179dbabb77a22dc0a3d21e39e02dfc8d6ee6d01e205b46858efbc7eddf8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3244
    • 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:3644
    • 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:5804
    • 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:2848

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        VBS3.vbs
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
        • Size 753B
        • SHA256 c62026a2f8dc6b007e744676aa37081bd3de77627bcb41f04f3ad3e80df12306
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/3244-0-0x0000000000400000-0x000000000055F000-memory.dmp
        Download

        memory/3244-23-0x0000000000400000-0x000000000055F000-memory.dmp
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        memory/3244-32-0x0000000000400000-0x000000000055F000-memory.dmp
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