Overview
overview
7Static
static
3FileZilla_...up.exe
windows7-x64
4FileZilla_...up.exe
windows10-2004-x64
4$PLUGINSDI...nu.dll
windows7-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/UAC.dll
windows7-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...id.dll
windows7-x64
3$PLUGINSDI...id.dll
windows10-2004-x64
3$R0.dll
windows7-x64
1$R0.dll
windows10-2004-x64
1$R2/NSIS.L...0_.exe
windows7-x64
1$R2/NSIS.L...0_.exe
windows10-2004-x64
1GPL.html
windows7-x64
1GPL.html
windows10-2004-x64
1filezilla.exe
windows7-x64
7filezilla.exe
windows10-2004-x64
7fzputtygen.exe
windows7-x64
1fzputtygen.exe
windows10-2004-x64
1fzsftp.exe
windows7-x64
1fzsftp.exe
windows10-2004-x64
1fzstorj.exe
windows7-x64
1fzstorj.exe
windows10-2004-x64
1libfilezilla-42.dll
windows7-x64
1libfilezilla-42.dll
windows10-2004-x64
1libfzclien...-5.dll
windows7-x64
1libfzclien...-5.dll
windows10-2004-x64
1Analysis
-
max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
22-02-2024 23:17
Static task
static1
Behavioral task
behavioral1
Sample
FileZilla_3.66.5_win64-setup.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
FileZilla_3.66.5_win64-setup.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20240220-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsis_appid.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsis_appid.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral15
Sample
$R0.dll
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
$R0.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral17
Sample
$R2/NSIS.Library.RegTool.v3.$_80_.exe
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
$R2/NSIS.Library.RegTool.v3.$_80_.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral19
Sample
GPL.html
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
GPL.html
Resource
win10v2004-20240221-en
Behavioral task
behavioral21
Sample
filezilla.exe
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
filezilla.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral23
Sample
fzputtygen.exe
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
fzputtygen.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral25
Sample
fzsftp.exe
Resource
win7-20240221-en
Behavioral task
behavioral26
Sample
fzsftp.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral27
Sample
fzstorj.exe
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
fzstorj.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral29
Sample
libfilezilla-42.dll
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
libfilezilla-42.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral31
Sample
libfzclient-commonui-private-3-66-5.dll
Resource
win7-20240220-en
Behavioral task
behavioral32
Sample
libfzclient-commonui-private-3-66-5.dll
Resource
win10v2004-20240221-en
General
-
Target
$PLUGINSDIR/UAC.dll
-
Size
14KB
-
MD5
adb29e6b186daa765dc750128649b63d
-
SHA1
160cbdc4cb0ac2c142d361df138c537aa7e708c9
-
SHA256
2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
-
SHA512
b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada
-
SSDEEP
192:DiF6v2imI36Op/tGZGfWxdyWHD0I53vLl7WVl8e04IpDlPjs:DGVY6ClGoWxXH75T1WVl83lLs
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1984 1908 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2084 wrote to memory of 1908 2084 rundll32.exe 28 PID 2084 wrote to memory of 1908 2084 rundll32.exe 28 PID 2084 wrote to memory of 1908 2084 rundll32.exe 28 PID 2084 wrote to memory of 1908 2084 rundll32.exe 28 PID 2084 wrote to memory of 1908 2084 rundll32.exe 28 PID 2084 wrote to memory of 1908 2084 rundll32.exe 28 PID 2084 wrote to memory of 1908 2084 rundll32.exe 28 PID 1908 wrote to memory of 1984 1908 rundll32.exe 29 PID 1908 wrote to memory of 1984 1908 rundll32.exe 29 PID 1908 wrote to memory of 1984 1908 rundll32.exe 29 PID 1908 wrote to memory of 1984 1908 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 2243⤵
- Program crash
PID:1984
-
-