Overview
overview
8Static
static
3sparkle-2....up.exe
windows11-21h2-x64
8$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDIR/UAC.dll
windows11-21h2-x64
3$PLUGINSDI...ll.dll
windows11-21h2-x64
3$PLUGINSDIR/app-64.7z
windows11-21h2-x64
1LICENSE.electron.txt
windows11-21h2-x64
3LICENSES.c...m.html
windows11-21h2-x64
3chrome_100...nt.pak
windows11-21h2-x64
3chrome_200...nt.pak
windows11-21h2-x64
3d3dcompiler_47.dll
windows11-21h2-x64
1dxcompiler.dll
windows11-21h2-x64
1dxil.dll
windows11-21h2-x64
1ffmpeg.dll
windows11-21h2-x64
1icudtl.dat
windows11-21h2-x64
3locales/en-US.pak
windows11-21h2-x64
3resources.pak
windows11-21h2-x64
3resources/...te.yml
windows11-21h2-x64
3resources/app.asar
windows11-21h2-x64
3resources/...e2.ico
windows11-21h2-x64
3resources/...ia.nip
windows11-21h2-x64
3snapshot_blob.bin
windows11-21h2-x64
3v8_context...ot.bin
windows11-21h2-x64
3vk_swiftsh...d.json
windows11-21h2-x64
3$PLUGINSDI...er.bmp
windows11-21h2-x64
$PLUGINSDI...rd.bmp
windows11-21h2-x64
$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...7z.dll
windows11-21h2-x64
3$R0/Uninst...le.exe
windows11-21h2-x64
7$PLUGINSDI...er.bmp
windows11-21h2-x64
$PLUGINSDI...rd.bmp
windows11-21h2-x64
Analysis
- max time kernel
898s - max time network
376s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
31/08/2026, 16:55
Static task
static1
Behavioral task
behavioral1
Sample
sparkle-2.23.0-setup.exe
Resource
win11-20260513-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/UAC.dll
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/WinShell.dll
Resource
win11-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/app-64.7z
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
LICENSE.electron.txt
Resource
win11-20260513-en
Behavioral task
behavioral8
Sample
LICENSES.chromium.html
Resource
win11-20260513-en
Behavioral task
behavioral9
Sample
chrome_100_percent.pak
Resource
win11-20260513-en
Behavioral task
behavioral10
Sample
chrome_200_percent.pak
Resource
win11-20260513-en
Behavioral task
behavioral11
Sample
d3dcompiler_47.dll
Resource
win11-20260513-en
Behavioral task
behavioral12
Sample
dxcompiler.dll
Resource
win11-20260513-en
Behavioral task
behavioral13
Sample
dxil.dll
Resource
win11-20260513-en
Behavioral task
behavioral14
Sample
ffmpeg.dll
Resource
win11-20260513-en
Behavioral task
behavioral15
Sample
icudtl.dat
Resource
win11-20260513-en
Behavioral task
behavioral16
Sample
locales/en-US.pak
Resource
win11-20260513-en
Behavioral task
behavioral17
Sample
resources.pak
Resource
win11-20260513-en
Behavioral task
behavioral18
Sample
resources/app-update.yml
Resource
win11-20260513-en
Behavioral task
behavioral19
Sample
resources/app.asar
Resource
win11-20260513-en
Behavioral task
behavioral20
Sample
resources/sparkle2.ico
Resource
win11-20260513-en
Behavioral task
behavioral21
Sample
resources/sparklenvidia.nip
Resource
win11-20260513-en
Behavioral task
behavioral22
Sample
snapshot_blob.bin
Resource
win11-20260513-en
Behavioral task
behavioral23
Sample
v8_context_snapshot.bin
Resource
win11-20260513-en
Behavioral task
behavioral24
Sample
vk_swiftshader_icd.json
Resource
win11-20260513-en
Behavioral task
behavioral25
Sample
$PLUGINSDIR/modern-header.bmp
Resource
win11-20260513-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/modern-wizard.bmp
Resource
win11-20260513-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20260513-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20260513-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win11-20260513-en
Behavioral task
behavioral30
Sample
$R0/Uninstall sparkle.exe
Resource
win11-20260513-en
Behavioral task
behavioral31
Sample
$PLUGINSDIR/modern-header.bmp
Resource
win11-20260513-en
Behavioral task
behavioral32
Sample
$PLUGINSDIR/modern-wizard.bmp
Resource
win11-20260513-en
General
- Target $PLUGINSDIR/nsExec.dll
- Size 6KB
- Sample260831-vfl69adm2x
- SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
- MD5 ec0504e6b8a11d5aad43b296beeb84b2
- SHA1 91b5ce085130c8c7194d66b2439ec9e1c206497c
- SHA512 3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57
- SSDEEP 96:YjHFiKaoggCtJzTlKXb0tbo68qD853Ns7GgmkNq3m+s:JbogRtJzTlNR8qD85uGgmkNr
- TLSH T173D109B836C20CF3D54E46743E22381713FEE4761B7502A18B976ED61D92AE2FE20781
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1980 1560 WerFault.exe 81 - 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 4100 wrote to memory of 1560 4100 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4100 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1560 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1560 -s 4803⤵
- Program crash
PID:1980
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1560 -ip 15601⤵PID:576