flyagent | ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a

Analysis

max time kernel
46s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/08/2026, 07:33

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General

Target
ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.exe
Size 1.3MB
Sample260825-jdnfrayake
SHA256 ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a
MD5 f823ef5b5310f5b2cca0dbbd6802e4cc
SHA1 cb06431f1c8b671b2bc8511168d0a03e4a0fb7c2
SHA512 5cbbb8afd46be12c895fb96cc0695198057115649f36daeac6a010aaed1954881a8eeb2eca00af66932691cdb5806d4dfdb65bcdd867a8c9f62ceea8611eaebd
SSDEEP 24576:WBS9qQEK6QywlBqH82QoXFkrzkmmlSgRDko0lG4Z8r7Qfd7iu5i:WZaClSFlG4ZM7QlV0
TLSH
T125557C13F692C0F1E61C227124FB6339BE7497450A71CACBE794DD791C32691ABA720E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery execution flyagent

Malware Config

Signatures

Family: FlyAgent
FlyAgent is a backdoor written in C++.
backdoor flyagent

Detects FlyAgent Backdoor 1 IoCs

resource	yara_rule
behavioral2/memory/4452-16-0x0000000000400000-0x0000000000551000-memory.dmp	flyagent

Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs

execution

Visual Basic

T1059.005

pid	Process
4132	WScript.exe
5864	WScript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings	ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4452	ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.exe
4452	ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.exe
4452	ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.exe
4452	ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4452	ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4452	ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.exe
4452	ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 5864	4452	ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.exe	88
PID 4452 wrote to memory of 4132	4452	ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.exe	89

C:\Users\Admin\AppData\Local\Temp\ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.exe
"C:\Users\Admin\AppData\Local\Temp\ae217170bf3d698260a6bb5a096acdbd3992e9ccf64a43d04378fe5b3a2a8f0a.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:4452
- 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:5864
- 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:4132

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Visual Basic

T1059.005

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

VBS3.vbs

Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
Size 753B
SHA256 0fe1635e7bf6765f269d436cdb2b1a20711921a7b9b984fd55b49f5613c7bfb8
MD5 8f3aed42d858f71f66fff6cb6086145c
SHA1 9692598d206558030deb8755a38548d2be50fef7
SHA512 1641c388d76cddbb1cb0ab6810d4a7facf993efbed5f4e0daf288c60dcf35f622b2f9b8e45c38e582fc6b922534a6c00d92845732487c357bbfe44a297294b52
TLSH
T1D701C000EE5CC259507553762532E40EE3DA15537343ACD87899D1612FB076C8CB4A36
MD5 SHA1 SHA512 TLSH

Submit Download

memory/4452-16-0x0000000000400000-0x0000000000551000-memory.dmp

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