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
424s - 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/nsis7z.dll
- Size 424KB
- Sample260831-vfl69adm2x
- SHA256 b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
- MD5 80e44ce4895304c6a3a831310fbf8cd0
- SHA1 36bd49ae21c460be5753a904b4501f1abca53508
- SHA512 c8ba7b1f9113ead23e993e74a48c4427ae3562c1f6d9910b2bbe6806c9107cf7d94bc7d204613e4743d0cd869e00dafd4fb54aad1e8adb69c553f3b9e5bc64df
- SSDEEP 6144:aUWQQ5O3fz0NG3ucDaEUTWfk+ZA0NrCL/k+uyoyBOX1okfW7w+Pfzqibckl:an5QEG39fPAkrE4yrBOXDfaNbck
- TLSH T1E9949E22B6D2C036C56E02309918F77921AEB3B1592DDB1B73985B6F7FB44C19E24B07
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 4860 3620 WerFault.exe 80 - 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 5104 wrote to memory of 3620 5104 rundll32.exe 80
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3620 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 4683⤵
- Program crash
PID:4860
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3620 -ip 36201⤵PID:5944