Overview
overview
7Static
static
3BiliTools_...up.exe
windows10-2004-x64
7BiliTools_...up.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...dl.dll
windows10-2004-x64
3$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
3DanmakuFactory.exe
windows10-2004-x64
1DanmakuFactory.exe
windows11-ltsc_2024-x64
1aria2c.exe
windows10-2004-x64
1aria2c.exe
windows11-ltsc_2024-x64
1bilitools.exe
windows10-2004-x64
6bilitools.exe
windows11-ltsc_2024-x64
6ffmpeg.exe
windows10-2004-x64
1ffmpeg.exe
windows11-ltsc_2024-x64
1uninstall.exe
windows10-2004-x64
7uninstall.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-ltsc_2024-x64
3BiliTools_...��.url
windows10-2004-x64
1BiliTools_...��.url
windows11-ltsc_2024-x64
1Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/08/2026, 07:48
Behavioral task
behavioral1
Sample
BiliTools_1.4.0-7_x64-setup/BiliTools_1.4.0-7_x64-setup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
BiliTools_1.4.0-7_x64-setup/BiliTools_1.4.0-7_x64-setup.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral15
Sample
DanmakuFactory.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
DanmakuFactory.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral17
Sample
aria2c.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
aria2c.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral19
Sample
bilitools.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
bilitools.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral21
Sample
ffmpeg.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
ffmpeg.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral23
Sample
uninstall.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
uninstall.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral25
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral31
Sample
BiliTools_1.4.0-7_x64-setup/木风软件站-一个优秀的软件资源分享平台.url
Resource
win10v2004-20260513-en
Behavioral task
behavioral32
Sample
BiliTools_1.4.0-7_x64-setup/木风软件站-一个优秀的软件资源分享平台.url
Resource
win11ltsc2024-20260709-en
General
- Target $PLUGINSDIR/LangDLL.dll
- Size 5KB
- Sample260802-jm9eksxfng
- SHA256 18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
- MD5 68b287f4067ba013e34a1339afdb1ea8
- SHA1 45ad585b3cc8e5a6af7b68f5d8269c97992130b3
- SHA512 06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb
- SSDEEP 48:S46+/nTKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mFofjLl:zFuPbOBtWZBV8jAWiAJCdv2Cm0L
- TLSH T16BC19474B3C248B9C491513768AB33D36612EE746784500F9F6711AA38209F7AD3EBC3
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 3484 2836 WerFault.exe 87 - 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 3624 wrote to memory of 2836 3624 rundll32.exe 87
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3624 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2836 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 6003⤵
- Program crash
PID:3484
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2836 -ip 28361⤵PID:1412