flyagent | bceeb424d3ec8fa97e947c8e12f897c4b0f0588cf889dc9252c5ffe1b82cf119

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/10/2026, 04:27

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General

Target
bceeb424d3ec8fa97e947c8e12f897c4b0f0588cf889dc9252c5ffe1b82cf119.exe
Size 1.3MB
Sample261021-e3jrmscw9j
SHA256 bceeb424d3ec8fa97e947c8e12f897c4b0f0588cf889dc9252c5ffe1b82cf119
MD5 ccf72c22d8ca38bf3cff93725d367cbc
SHA1 04e7fa7ef5ef3c6ad1b5632f445aa1557a0866fd
SHA512 6c367606e23b244fa8021be7c166df28147c6106d2e1d8ce2ae06f571ec29a7422123b2000203aa8c88683cea88a3ab8347a03c1d6ac5c647f29fbeb18b9b98b
SSDEEP 24576:DXFB+BYU0Ds3+0wyHcJd0uYV/vrmGODLoelG4dGVYr6Ba:Dj+BYV0tvrmtlG4dXr
TLSH
T1DB559D13E69180F2C5A4113264A71B39EEB45B661D34CFD7E7D4DEB81E32660EB2B20D
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 2 IoCs

resource	yara_rule
behavioral2/memory/4292-0-0x0000000000400000-0x0000000000554000-memory.dmp	flyagent
behavioral2/memory/4292-1-0x0000000000400000-0x0000000000554000-memory.dmp	flyagent

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3664	4292	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 1 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	bceeb424d3ec8fa97e947c8e12f897c4b0f0588cf889dc9252c5ffe1b82cf119.exe

C:\Users\Admin\AppData\Local\Temp\bceeb424d3ec8fa97e947c8e12f897c4b0f0588cf889dc9252c5ffe1b82cf119.exe
"C:\Users\Admin\AppData\Local\Temp\bceeb424d3ec8fa97e947c8e12f897c4b0f0588cf889dc9252c5ffe1b82cf119.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4292
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 632
  2⤵
  - Program crash
  PID:3664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 4292 -ip 4292
1⤵
PID:4600

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4292-0-0x0000000000400000-0x0000000000554000-memory.dmp

Download

memory/4292-1-0x0000000000400000-0x0000000000554000-memory.dmp