Overview

overview

10

Static

static

10

bcc15fe1d2...7f.exe

windows10-2004-x64

10

bcc15fe1d2...7f.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    42s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/08/2026, 11:57

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General

  • Target
    bcc15fe1d2bcde7508a4bce697b5b2f1581643df559b461e218f555a8dedc97f.exe
  • Size 1.7MB
  • Sample260816-n4mpcsxtfw
  • SHA256 bcc15fe1d2bcde7508a4bce697b5b2f1581643df559b461e218f555a8dedc97f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoordiscoveryexecutionflyagentpersistenceprivilege_escalation

Malware Config

Signatures

  • Family: FlyAgent

    FlyAgent is a backdoor written in C++.

    backdoorflyagent
  • Detects FlyAgent Backdoor 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Creates a file in the Startup directory 1 TTPs 1 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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).

  • 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bcc15fe1d2bcde7508a4bce697b5b2f1581643df559b461e218f555a8dedc97f.exe
    "C:\Users\Admin\AppData\Local\Temp\bcc15fe1d2bcde7508a4bce697b5b2f1581643df559b461e218f555a8dedc97f.exe"
    1⤵
    • Checks computer location settings
    • Creates a file in the Startup directory
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2180
    • 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.
      • System Location Discovery: System Language Discovery
      PID:3772
    • 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.
      • System Location Discovery: System Language Discovery
      PID:4140
    • 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.
      • System Location Discovery: System Language Discovery
      PID:3320
  • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:1760

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        Config.ini
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini
        • Size 92B
        • SHA256 8e59e3dc5427519534af0cfb2713d94388d03240f4f6d2c9ec6a13db1d9812ab
        • MD5 SHA1 SHA512
        Submit Download

        VBS3.vbs
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
        • Size 753B
        • SHA256 c483048f46e6f74b674b0874e1dcf0f1bcbcd15c2e860b4b168367735d03f61b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        svchcst.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        • Size 1.7MB
        • SHA256 6e69bb816ca90743d79eb08c7b113df37cbe53b7766be36959d5d5697f90da24
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1760-21-0x0000000000400000-0x0000000000553000-memory.dmp
        Download

        memory/2180-0-0x0000000000400000-0x0000000000553000-memory.dmp
        Download

        memory/2180-22-0x0000000000400000-0x0000000000553000-memory.dmp
        Download

        memory/2180-25-0x0000000000400000-0x0000000000553000-memory.dmp
        Download

        memory/2180-28-0x0000000000400000-0x0000000000553000-memory.dmp
        Download

        memory/2180-32-0x0000000000400000-0x0000000000553000-memory.dmp
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        memory/2180-35-0x0000000000400000-0x0000000000553000-memory.dmp
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        memory/2180-38-0x0000000000400000-0x0000000000553000-memory.dmp
        Download

        memory/2180-41-0x0000000000400000-0x0000000000553000-memory.dmp
        Download