Overview
overview
7Static
static
3Kryoto-Des...up.exe
windows10-2004-x64
7Kryoto-Des...up.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...dl.dll
windows10-2004-x64
3$PLUGINSDI...dl.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$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-ltsc_2024-x64
3extensions...s.html
windows10-2004-x64
3extensions...s.html
windows11-ltsc_2024-x64
3extensions...s.html
windows10-2004-x64
3extensions...s.html
windows11-ltsc_2024-x64
3extensions...t.html
windows10-2004-x64
3extensions...t.html
windows11-ltsc_2024-x64
3extensions...s.html
windows10-2004-x64
3extensions...s.html
windows11-ltsc_2024-x64
3extensions...r.html
windows10-2004-x64
3extensions...r.html
windows11-ltsc_2024-x64
3extensions...min.js
windows10-2004-x64
3extensions...min.js
windows11-ltsc_2024-x64
3extensions...min.js
windows10-2004-x64
3extensions...min.js
windows11-ltsc_2024-x64
3extensions...min.js
windows10-2004-x64
3extensions...min.js
windows11-ltsc_2024-x64
3extensions...d.html
windows10-2004-x64
3extensions...d.html
windows11-ltsc_2024-x64
3extensions...k.html
windows10-2004-x64
3extensions...k.html
windows11-ltsc_2024-x64
3Analysis
- max time kernel
38s - max time network
40s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/10/2026, 16:50
Static task
static1
Behavioral task
behavioral1
Sample
Kryoto-Desktop_0.2.29_x64-setup.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Kryoto-Desktop_0.2.29_x64-setup.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral13
Sample
extensions/ublock/1p-filters.html
Resource
win10v2004-20260911-en
Behavioral task
behavioral14
Sample
extensions/ublock/1p-filters.html
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral15
Sample
extensions/ublock/3p-filters.html
Resource
win10v2004-20260911-en
Behavioral task
behavioral16
Sample
extensions/ublock/3p-filters.html
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral17
Sample
extensions/ublock/about.html
Resource
win10v2004-20260911-en
Behavioral task
behavioral18
Sample
extensions/ublock/about.html
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral19
Sample
extensions/ublock/advanced-settings.html
Resource
win10v2004-20260911-en
Behavioral task
behavioral20
Sample
extensions/ublock/advanced-settings.html
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral21
Sample
extensions/ublock/asset-viewer.html
Resource
win10v2004-20260911-en
Behavioral task
behavioral22
Sample
extensions/ublock/asset-viewer.html
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral23
Sample
extensions/ublock/assets/ublock/filters.min.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral24
Sample
extensions/ublock/assets/ublock/filters.min.js
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral25
Sample
extensions/ublock/assets/ublock/privacy.min.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral26
Sample
extensions/ublock/assets/ublock/privacy.min.js
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral27
Sample
extensions/ublock/assets/ublock/quick-fixes.min.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral28
Sample
extensions/ublock/assets/ublock/quick-fixes.min.js
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral29
Sample
extensions/ublock/background.html
Resource
win10v2004-20260911-en
Behavioral task
behavioral30
Sample
extensions/ublock/background.html
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral31
Sample
extensions/ublock/blank.html
Resource
win10v2004-20260911-en
Behavioral task
behavioral32
Sample
extensions/ublock/blank.html
Resource
win11ltsc2024-20260911-en
General
- Target $PLUGINSDIR/NSISdl.dll
- Size 15KB
- Sample261024-vcadaaa12x
- SHA256 ddf40229dd9d6b268902d8dea88c8a04aacf1af218dd29f6dcd35babc54ac08d
- MD5 8eabbe36e8b52e69322780d0f541fd19
- SHA1 e5fa3eca8d2035e4fa006b7123c348348e4e6de4
- SHA512 4189fabff409be4bc7a8e81be58fb18e32398e4ef4c01a70cf823d79e76f47c4681734808fd61db8728c73d2bcad890b09aa09d5a0f0b0c3ad581be1beaf9ce7
- SSDEEP 384:jrSQMCOUILnCaSPy/yhJzmGSMRWyOUKie:jrSQMCOp0yamMRWysie
- TLSH T17B623C16B62084F5DBB2167034D73B3E6BB28F6A1A2848C34BF35C4E9E52307B675D85
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 4748 4324 WerFault.exe 83 - 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 3396 wrote to memory of 4324 3396 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3396 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4324 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 6283⤵
- Program crash
PID:4748
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4324 -ip 43241⤵PID:1112