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
149s - 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/System.dll
- Size 12KB
- Sample260802-jm9eksxfng
- SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
- MD5 cff85c549d536f651d4fb8387f1976f2
- SHA1 d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
- SHA512 531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
- SSDEEP 192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
- TLSH T126426B129BB089F2F591583814667F2A6FBE9C5D27F50563CFE304D63D212CB983A283
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 4148 1240 WerFault.exe 86 - 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 3056 wrote to memory of 1240 3056 rundll32.exe 86
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1240 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 6123⤵
- Program crash
PID:4148
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1240 -ip 12401⤵PID:532