Overview
overview
7Static
static
3FileZilla_...up.exe
windows10-2004-x64
4FileZilla_...up.exe
windows11-21h2-x64
4$PLUGINSDIR/INetC.dll
windows10-2004-x64
3$PLUGINSDIR/INetC.dll
windows11-21h2-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDIR/UAC.dll
windows11-21h2-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows11-21h2-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...id.dll
windows10-2004-x64
3$PLUGINSDI...id.dll
windows11-21h2-x64
3$R0.dll
windows10-2004-x64
3$R0.dll
windows11-21h2-x64
3$R2/NSIS.L...6_.exe
windows10-2004-x64
3$R2/NSIS.L...6_.exe
windows11-21h2-x64
3$_36_.dll
windows10-2004-x64
3$_36_.dll
windows11-21h2-x64
3GPL.html
windows10-2004-x64
4GPL.html
windows11-21h2-x64
4filezilla.exe
windows10-2004-x64
7filezilla.exe
windows11-21h2-x64
7fzstorj.exe
windows10-2004-x64
1fzstorj.exe
windows11-21h2-x64
1libargon2.dll
windows10-2004-x64
1libargon2.dll
windows11-21h2-x64
1libfilezilla-57.dll
windows10-2004-x64
1libfilezilla-57.dll
windows11-21h2-x64
1Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/04/2026, 12:29
Static task
static1
Behavioral task
behavioral1
Sample
FileZilla_3.70.4_win64_sponsored2-setup.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
FileZilla_3.70.4_win64_sponsored2-setup.exe
Resource
win11-20260130-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/INetC.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/INetC.dll
Resource
win11-20260130-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11-20260130-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260130-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/UAC.dll
Resource
win11-20260130-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win11-20260130-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20260130-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/nsis_appid.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/nsis_appid.dll
Resource
win11-20260130-en
Behavioral task
behavioral17
Sample
$R0.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral18
Sample
$R0.dll
Resource
win11-20260130-en
Behavioral task
behavioral19
Sample
$R2/NSIS.Library.RegTool.v3.$_106_.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral20
Sample
$R2/NSIS.Library.RegTool.v3.$_106_.exe
Resource
win11-20260130-en
Behavioral task
behavioral21
Sample
$_36_.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral22
Sample
$_36_.dll
Resource
win11-20260130-en
Behavioral task
behavioral23
Sample
GPL.html
Resource
win10v2004-20260130-en
Behavioral task
behavioral24
Sample
GPL.html
Resource
win11-20260130-en
Behavioral task
behavioral25
Sample
filezilla.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral26
Sample
filezilla.exe
Resource
win11-20260130-en
Behavioral task
behavioral27
Sample
fzstorj.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral28
Sample
fzstorj.exe
Resource
win11-20260130-en
Behavioral task
behavioral29
Sample
libargon2.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral30
Sample
libargon2.dll
Resource
win11-20260130-en
Behavioral task
behavioral31
Sample
libfilezilla-57.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral32
Sample
libfilezilla-57.dll
Resource
win11-20260130-en
General
- Target filezilla.exe
- Size 4.1MB
- Sample260422-ppb5rabw3x
- SHA256 c3a470356eb16dbfb1ab3e89588c890fcde618b9abdb3416a5441596c08eb931
- MD5 025b31f4df4c33677f9e6140f909358f
- SHA1 652624be6348414de0e94171f262f631e017a799
- SHA512 7baf96c35ffc2364ddbc473e00031727429047fe83d7ddd477b83dd0b1ae0852cf9b73f49995d7111fd0e4934f47ad549d9d64facbde3158f544fe44cc991003
- SSDEEP 49152:3fRsBwHdaKhZKU23LzHEcfOzH4nwWaI8WKQ+lMN/183Au7dym7YTvhTgaCQ+szC3:3fIH3X+SNBtgsbiImUWCYT
- TLSH T17416D617E652858CC57AD178876AB6336A72BC0D45303B5EAB51FF322F12F60923EB14
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2714754311-527593155-1440850301-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ filezilla.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2528 filezilla.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2528 filezilla.exe 2528 filezilla.exe