Overview
overview
6Static
static
3UpdaterSetup.exe
windows10-2004-x64
4UpdaterSetup.exe
windows11-ltsc_2024-x64
4$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...er.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...dl.dll
windows10-2004-x64
3$PLUGINSDI...dl.dll
windows11-ltsc_2024-x64
3$TEMP/vc_r...64.exe
windows10-2004-x64
4$TEMP/vc_r...64.exe
windows11-ltsc_2024-x64
$TEMP/vc_r...86.exe
windows10-2004-x64
4$TEMP/vc_r...86.exe
windows11-ltsc_2024-x64
4AdvancedWizard.dll
windows10-2004-x64
1AdvancedWizard.dll
windows11-ltsc_2024-x64
1DataGridVi...er.dll
windows10-2004-x64
1DataGridVi...er.dll
windows11-ltsc_2024-x64
1Epsilon.Fi...er.dll
windows10-2004-x64
1Epsilon.Fi...er.dll
windows11-ltsc_2024-x64
Epsilon.Up...ll.exe
windows10-2004-x64
5Epsilon.Up...ll.exe
windows11-ltsc_2024-x64
6Epsilon.Up...bs.dll
windows10-2004-x64
1Epsilon.Up...bs.dll
windows11-ltsc_2024-x64
1Epsilon.Up...ce.exe
windows10-2004-x64
1Epsilon.Up...ce.exe
windows11-ltsc_2024-x64
1Epsilon.Up...UI.exe
windows10-2004-x64
1Epsilon.Up...UI.exe
windows11-ltsc_2024-x64
Epsilon.Up...ll.exe
windows10-2004-x64
1Epsilon.Up...ll.exe
windows11-ltsc_2024-x64
1FluentFTP.dll
windows10-2004-x64
1FluentFTP.dll
windows11-ltsc_2024-x64
Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/08/2026, 18:24
Static task
static1
Behavioral task
behavioral1
Sample
UpdaterSetup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
UpdaterSetup.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/DotNetChecker.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/DotNetChecker.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/InstallOptions.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/nsisdl.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsisdl.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
$TEMP/vc_redist.x64.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
$TEMP/vc_redist.x64.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
$TEMP/vc_redist.x86.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
$TEMP/vc_redist.x86.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral15
Sample
AdvancedWizard.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
AdvancedWizard.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral17
Sample
DataGridViewGrouper.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
DataGridViewGrouper.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral19
Sample
Epsilon.FileServer.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
Epsilon.FileServer.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral21
Sample
Epsilon.Updater.Install.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
Epsilon.Updater.Install.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral23
Sample
Epsilon.Updater.Libs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
Epsilon.Updater.Libs.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral25
Sample
Epsilon.Updater.Service.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
Epsilon.Updater.Service.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral27
Sample
Epsilon.Updater.UI.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
Epsilon.Updater.UI.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral29
Sample
Epsilon.Updater.Uninstall.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
Epsilon.Updater.Uninstall.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral31
Sample
FluentFTP.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral32
Sample
FluentFTP.dll
Resource
win11ltsc2024-20260709-en
General
- Target $PLUGINSDIR/nsisdl.dll
- Size 15KB
- Sample260805-w11e2stcnd
- SHA256 419485a096bc7d95f872ed1b9b7b5c537231183d710363beee4d235bb79dbe04
- MD5 ee68463fed225c5c98d800bdbd205598
- SHA1 306364af624de3028e2078c4d8c234fa497bd723
- SHA512 b14fb74cb76b8f4e80fdd75b44adac3605883e2dcdb06b870811759d82fa2ec732cd63301f20a2168d7ad74510f62572818f90038f5116fe19c899eba68a5107
- SSDEEP 384:7py18oahashajPmIYInUJggBOZgAHhUKijb:7py18oafmeggBOCAHpij
- TLSH T175622D45AA2084F1DBA2167034D73A7A67F18E752A2449C347F35D4EEE16307B33A986
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 4548 1748 WerFault.exe 85 - 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 4748 wrote to memory of 1748 4748 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdl.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4748 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdl.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1748 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 6283⤵
- Program crash
PID:4548
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1748 -ip 17481⤵PID:3276