flyagent | 933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418

Analysis

max time kernel
43s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 13:44

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.exe
Size 1.4MB
Sample260816-q2am5ack2w
SHA256 933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418
MD5 9a01f51d27e5cb5dd25d300f2589111a
SHA1 879512c26e93506b54abb2464ab600d8ad7ebcf7
SHA512 4585208981837db8581fb82ab1b9548b26a9d71b34ddf34fe11741dc29301b4a935e349558fe4d57c614257535ec76e469cedcfb7e42ae084b882c2b38aa417a
SSDEEP 24576:GH0dl8myX9Bg42QoXFkrzkmplSgRDYo0lG4Z8r7Qfbkiu5Qo:GcallSllG4ZM7QzM/
TLSH
T173658D13F292C0F1E61C227124FB6339BE749B450A71CAC7EB95DD791C32691AB6720E
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 3 IoCs

resource	yara_rule
behavioral2/memory/2976-0-0x0000000000400000-0x000000000055F000-memory.dmp	flyagent
behavioral2/memory/2976-18-0x0000000000400000-0x000000000055F000-memory.dmp	flyagent
behavioral2/memory/2976-25-0x0000000000400000-0x000000000055F000-memory.dmp	flyagent

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

execution

Visual Basic

T1059.005

pid	Process
5596	WScript.exe
2488	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	933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.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-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings	933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2976	933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.exe
2976	933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.exe
2976	933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.exe
2976	933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2976	933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2976	933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.exe
2976	933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 5596	2976	933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.exe	90
PID 2976 wrote to memory of 2488	2976	933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.exe	89

C:\Users\Admin\AppData\Local\Temp\933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.exe
"C:\Users\Admin\AppData\Local\Temp\933c9395040bb7997cae8442116cc776bc8922188d78b7d9241e46054a5a3418.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:2976
- 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:2488
- 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:5596

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

Loading Replay Monitor...

Downloads

VBS3.vbs

Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
Size 753B
SHA256 6ebe345c937b8b89630ba33293f69e6aae59d581854e84cd38ebf9fd23e986be
MD5 c542505a1cb09ee475ff545d6479eabd
SHA1 11ebc5e717aac4e455c066bef67ff6d42fc1cf58
SHA512 a7d038645141d07fc84c3746c320ad5b0b3953e1ca445589d3e133ecdd9e9190f223bbbb0306eee0f28fc4fa413c6a6987708a3a1c7178236551c3bc6269b0f3
TLSH
T15701CB10DE4CC258603597B22432E84EF7EA2557A303ACD9B895D1A12F707689DB4A37
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2976-0-0x0000000000400000-0x000000000055F000-memory.dmp

Download

memory/2976-18-0x0000000000400000-0x000000000055F000-memory.dmp

Download

memory/2976-25-0x0000000000400000-0x000000000055F000-memory.dmp

Download