Overview

overview

10

Static

static

10

a5be46aea1...15.exe

windows10-2004-x64

10

a5be46aea1...15.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/04/2026, 06:59

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General

  • Target
    a5be46aea10e08bfaa96d4e307dd398ce10beb6c3579eedea568979875b4c615.exe
  • Size 1.3MB
  • Sample260424-hsf5jsas71
  • SHA256 a5be46aea10e08bfaa96d4e307dd398ce10beb6c3579eedea568979875b4c615
  • 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 3 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5be46aea10e08bfaa96d4e307dd398ce10beb6c3579eedea568979875b4c615.exe
    "C:\Users\Admin\AppData\Local\Temp\a5be46aea10e08bfaa96d4e307dd398ce10beb6c3579eedea568979875b4c615.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:3572
    • 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
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2400
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1028
    • 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
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1232
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1172

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 50d02d9a6f9a4839fee32972b853e52c66598e516604ba32248f16fd62629c1b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        svchcst.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        • Size 1.3MB
        • SHA256 848014a1d8527493f32ba669a25f1518e259f3ca2b1e1d934db10d304f35bc21
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1028-30-0x00000000009B0000-0x0000000000C3B000-memory.dmp
        Download

        memory/1172-28-0x00000000009B0000-0x0000000000C3B000-memory.dmp
        Download

        memory/1232-13-0x0000000000CE0000-0x0000000000D5A000-memory.dmp
        Download

        memory/1232-29-0x0000000000CE0000-0x0000000000D5A000-memory.dmp
        Download

        memory/2400-12-0x0000000000FF0000-0x000000000106A000-memory.dmp
        Download

        memory/2400-27-0x0000000000FF0000-0x000000000106A000-memory.dmp
        Download

        memory/3572-10-0x0000000000400000-0x0000000000551000-memory.dmp
        Download

        memory/3572-11-0x0000000000C30000-0x0000000000EBB000-memory.dmp
        Download

        memory/3572-22-0x0000000000400000-0x0000000000551000-memory.dmp
        Download

        memory/3572-23-0x0000000000C30000-0x0000000000EBB000-memory.dmp
        Download