Overview

overview

10

Static

static

10

da211b361e...42.exe

windows10-2004-x64

10

da211b361e...42.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    76s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/08/2026, 10:20

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General

  • Target
    da211b361edc5870d5c771be27d2902c30bef4cf7bb4de386f2b63fd29cf4442.exe
  • Size 1.2MB
  • Sample260809-mdarfay1ay
  • SHA256 da211b361edc5870d5c771be27d2902c30bef4cf7bb4de386f2b63fd29cf4442
  • 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 9 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 2 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 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 12 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da211b361edc5870d5c771be27d2902c30bef4cf7bb4de386f2b63fd29cf4442.exe
    "C:\Users\Admin\AppData\Local\Temp\da211b361edc5870d5c771be27d2902c30bef4cf7bb4de386f2b63fd29cf4442.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:4716
    • 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:2868
    • 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:4232
  • 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:1924

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 7bfcc2f0d3c25f895eac6676d4ce9f16713149206980fb97f4aa4272e82ed2b8
        • MD5 SHA1 SHA512
        Submit Download

        VBS3.vbs
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
        • Size 753B
        • SHA256 91611341aeac9b76f4fcb53e42c8413dbc3369cc433b3328258fddb5ab2c1c78
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        svchcst.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        • Size 1.2MB
        • SHA256 b5e92086d0752b1d0de4a1a24271244c8bc56a4b79175879ff41150f89f5e061
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4716-0-0x0000000000400000-0x0000000000576000-memory.dmp
        Download

        memory/4716-19-0x0000000000400000-0x0000000000576000-memory.dmp
        Download

        memory/4716-22-0x0000000000400000-0x0000000000576000-memory.dmp
        Download

        memory/4716-25-0x0000000000400000-0x0000000000576000-memory.dmp
        Download

        memory/4716-29-0x0000000000400000-0x0000000000576000-memory.dmp
        Download

        memory/4716-32-0x0000000000400000-0x0000000000576000-memory.dmp
        Download

        memory/4716-35-0x0000000000400000-0x0000000000576000-memory.dmp
        Download

        memory/4716-38-0x0000000000400000-0x0000000000576000-memory.dmp
        Download