flyagent | 0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
15/04/2026, 21:35

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General

Target
0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.exe
Size 1.3MB
Sample260415-1frdvsc12v
SHA256 0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106
MD5 f1b813a5d43b5f3ae5407570adf74b0f
SHA1 0928687c7faea758ac33aef94c4a55eeb692e1c0
SHA512 28d73b33f575b899ed5750f7761b1bea5439a58b0579433c65b20c1a832e6a7a85cff2dc55d465a36d825e256bfe6358bbbf0af69ad8dda9de651b5a9590625a
SSDEEP 24576:WBS9qQEK6QywlBqH82QoXFkrzkmmlSgRDko0lG4Z8r7Qfd7iu5v:WZaClSFlG4ZM7QlVd
TLSH
T1AB557C13F692C0F1E61C227124FB6339BE7497450A71CACBE794DD791C32691ABA720E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery flyagent

Malware Config

Signatures

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

Detects FlyAgent Backdoor 1 IoCs

resource	yara_rule
behavioral1/memory/2092-10-0x0000000000400000-0x0000000000551000-memory.dmp	flyagent

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-745935970-1373868228-562466063-1000\Control Panel\International\Geo\Nation	0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.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	0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.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-1-5-21-745935970-1373868228-562466063-1000_Classes\Local Settings	0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2092	0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.exe
2092	0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.exe
2092	0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.exe
2092	0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2092	0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2092	0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.exe
2092	0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 1976	2092	0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.exe	85
PID 2092 wrote to memory of 3752	2092	0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.exe	86

C:\Users\Admin\AppData\Local\Temp\0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.exe
"C:\Users\Admin\AppData\Local\Temp\0c16a169a8ffcde43cd7bd59b157cb161795283d05be77135f8c4e44f79ac106.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1976
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3752

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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 7d2c05a2896dcda0e18bd2b1cbfebcaf5cf8f2a8c2e78cfb0368a101bf467350
MD5 a3d8776b07fc56add39172f9b4345efe
SHA1 240266574bcba1924c451d872ab20315802cb049
SHA512 0cae0c47efc8842beb31b4553f31694da3d63c7eb3e602ee9cd720981a36726bcd701e0f390bb132d639f81f4e9fd75c3574f225b1a3af091e0308f78ee48a57
TLSH
T16C01C000DD8C825D603547B66533A44EF7A91553A3039CD97859D1A12F7075C9CB4A37
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2092-10-0x0000000000400000-0x0000000000551000-memory.dmp

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memory/2092-11-0x0000000000BB0000-0x0000000000C5F000-memory.dmp

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