flyagent | 3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6

Analysis

max time kernel
55s
max time network
132s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/08/2026, 10:18

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General

Target
3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.exe
Size 1.4MB
Sample260808-mb6q4adn5s
SHA256 3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6
MD5 ce4c4d811927696681440086a1cd5415
SHA1 f01a276b751be7bb2cd83f3d9638b5d07b244e15
SHA512 8b183148fafa733ec934370cb917434b652e653237f84ab991b1c10aa60b1f69af7f4a28cdebd967a3520fd0118b884341542c0d9f2ea33c31f30ef47eb851ec
SSDEEP 24576:faMoNmfTEs86C9r5m84DVTh22rFvGf9VLegQEollG4uXpeTR6w:f0NeEs86FvMLejlG4uYP
TLSH
T1A9659E27E9C180F2C198107168AB1F35FEB456912E358B83A7D4EEB85F72790DA3721D
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 2 IoCs

resource	yara_rule
behavioral2/memory/5072-16-0x0000000000400000-0x000000000056D000-memory.dmp	flyagent
behavioral2/memory/5072-18-0x0000000000400000-0x000000000056D000-memory.dmp	flyagent

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

execution

Visual Basic

T1059.005

pid	Process
520	WScript.exe
256	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	3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.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-1-5-21-2115213192-531537726-3295841909-1000_Classes\Local Settings	3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5072	3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.exe
5072	3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.exe
5072	3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.exe
5072	3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
5072	3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5072	3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.exe
5072	3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 256	5072	3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.exe	89
PID 5072 wrote to memory of 520	5072	3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.exe	90

C:\Users\Admin\AppData\Local\Temp\3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.exe
"C:\Users\Admin\AppData\Local\Temp\3244f713c3ebf12bf49d0f128e86bd800052723369d50635c7e8d4d48ab241a6.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:5072
- 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:256
- 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:520

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

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Downloads

VBS3.vbs

Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
Size 753B
SHA256 b27c46639c720554cea5183bb842bd3f2d6ae4acd5df2f0752621e8f2a92fd3c
MD5 73e2be22681a0b59dba9f743ec2e26b2
SHA1 5b11d2b1d0e05f7abc563ad5206e512683890e1f
SHA512 1a6f42848874f1c87eefdad67dcc5782870d7bb3b9c86e717c597d4454697722b5f17788cec7c6bad7a0fdaef611c0b2cb3e8424a1ed07544345bffc6d917650
TLSH
T1CB01F400DE4CC25C903553B12432E84EF7DE24536303ACE4B859D1B52FB07589C75A36
MD5 SHA1 SHA512 TLSH

Submit Download

memory/5072-16-0x0000000000400000-0x000000000056D000-memory.dmp

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memory/5072-18-0x0000000000400000-0x000000000056D000-memory.dmp

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