Overview
overview
7Static
static
3FileZilla_...up.exe
windows10-2004-x64
4FileZilla_...up.exe
windows11-ltsc_2024-x64
4$PLUGINSDIR/INetC.dll
windows10-2004-x64
3$PLUGINSDIR/INetC.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDIR/UAC.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...id.dll
windows10-2004-x64
3$PLUGINSDI...id.dll
windows11-ltsc_2024-x64
3$R0.dll
windows10-2004-x64
3$R0.dll
windows11-ltsc_2024-x64
3$R2/NSIS.L...6_.exe
windows10-2004-x64
3$R2/NSIS.L...6_.exe
windows11-ltsc_2024-x64
3$_36_.dll
windows10-2004-x64
3$_36_.dll
windows11-ltsc_2024-x64
3GPL.html
windows10-2004-x64
3GPL.html
windows11-ltsc_2024-x64
3filezilla.exe
windows10-2004-x64
7filezilla.exe
windows11-ltsc_2024-x64
7fzstorj.exe
windows10-2004-x64
1fzstorj.exe
windows11-ltsc_2024-x64
1libargon2.dll
windows10-2004-x64
1libargon2.dll
windows11-ltsc_2024-x64
1libfilezilla-59.dll
windows10-2004-x64
1libfilezilla-59.dll
windows11-ltsc_2024-x64
1Analysis
- max time kernel
148s - max time network
130s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/09/2026, 12:25
Static task
static1
Behavioral task
behavioral1
Sample
FileZilla_3.71.1_win64_sponsored2-setup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
FileZilla_3.71.1_win64_sponsored2-setup.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/INetC.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/INetC.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/UAC.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/nsis_appid.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/nsis_appid.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral17
Sample
$R0.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
$R0.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral19
Sample
$R2/NSIS.Library.RegTool.v3.$_106_.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
$R2/NSIS.Library.RegTool.v3.$_106_.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral21
Sample
$_36_.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
$_36_.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral23
Sample
GPL.html
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
GPL.html
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral25
Sample
filezilla.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
filezilla.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral27
Sample
fzstorj.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
fzstorj.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral29
Sample
libargon2.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
libargon2.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral31
Sample
libfilezilla-59.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral32
Sample
libfilezilla-59.dll
Resource
win11ltsc2024-20260709-en
General
- Target $PLUGINSDIR/StartMenu.dll
- Size 7KB
- Sample260908-plm3vafd98
- SHA256 33a6c41f262fe4f5f5eada6c3dca5d1a6512bf09bd09e05b223882630fd24e89
- MD5 9ba64ba25b26b3964fe1ca1d331387ee
- SHA1 305e7ef9bec45556fe2de80d0ab107f12a8f4eee
- SHA512 741f72b15f6f138c0fd0ccf799dd031c731e79b54eb417a615a04d53eed72891f92196beb03795fad990c158cd358b460ecb6eefed5fc2ef53400310b2249df4
- SSDEEP 96:ZIt3J2Gl0eVe0+Cfo0UkXt6+o69UiGdPh5/utta/O3lkCTcaqHCI:+hE+A0+sF6piUFkA6lncviI
- TLSH T1DFF1C776F3D20673FAAB427428232F231B2AF521576981A6490316CE7A61DE3FD34B11
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 464 5116 WerFault.exe 89 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1972 wrote to memory of 5116 1972 rundll32.exe 89
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:5116 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 5683⤵
- Program crash
PID:464
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5116 -ip 51161⤵PID:5388