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Overview
overview
9Static
static
3CapCut_741...er.exe
windows11-21h2-x64
$PLUGINSDI...er.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...ed.dll
windows11-21h2-x64
3$PLUGINSDI...in.dll
windows11-21h2-x64
3$PLUGINSDIR/res.zip
windows11-21h2-x64
1app_warning_icon.png
windows11-21h2-x64
3banner_bk.jpg
windows11-21h2-x64
3btn_dark_1...le.png
windows11-21h2-x64
3btn_dark_1_hover.png
windows11-21h2-x64
3btn_dark_1_normal.png
windows11-21h2-x64
3btn_dark_1_pushed.png
windows11-21h2-x64
3btn_dir_disable.png
windows11-21h2-x64
3btn_dir_hover.png
windows11-21h2-x64
3btn_dir_normal.png
windows11-21h2-x64
3btn_dir_pushed.png
windows11-21h2-x64
3btn_light_...le.png
windows11-21h2-x64
3btn_light_1_hover.png
windows11-21h2-x64
3btn_light_...al.png
windows11-21h2-x64
3btn_light_...ed.png
windows11-21h2-x64
3ckb_1_off.png
windows11-21h2-x64
3ckb_1_on.png
windows11-21h2-x64
3i18n.json
windows11-21h2-x64
3ic_close.png
windows11-21h2-x64
3ic_close_disabled.png
windows11-21h2-x64
3ic_close_hover.png
windows11-21h2-x64
3ic_close_pushed.png
windows11-21h2-x64
3ic_min.png
windows11-21h2-x64
3ic_min_disabled.png
windows11-21h2-x64
3ic_min_hover.png
windows11-21h2-x64
3ic_min_pushed.png
windows11-21h2-x64
3$PLUGINSDI...er.dll
windows11-21h2-x64
3Analysis
-
max time kernel
93s -
max time network
206s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
04/09/2024, 14:45
Static task
static1
Behavioral task
behavioral1
Sample
CapCut_7410798577456562232_installer.exe
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/deviceregister_shared.dll
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win11-20240802-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/res.zip
Resource
win11-20240802-en
Behavioral task
behavioral7
Sample
app_warning_icon.png
Resource
win11-20240802-en
Behavioral task
behavioral8
Sample
banner_bk.jpg
Resource
win11-20240802-en
Behavioral task
behavioral9
Sample
btn_dark_1_disable.png
Resource
win11-20240802-en
Behavioral task
behavioral10
Sample
btn_dark_1_hover.png
Resource
win11-20240802-en
Behavioral task
behavioral11
Sample
btn_dark_1_normal.png
Resource
win11-20240802-en
Behavioral task
behavioral12
Sample
btn_dark_1_pushed.png
Resource
win11-20240802-en
Behavioral task
behavioral13
Sample
btn_dir_disable.png
Resource
win11-20240802-en
Behavioral task
behavioral14
Sample
btn_dir_hover.png
Resource
win11-20240802-en
Behavioral task
behavioral15
Sample
btn_dir_normal.png
Resource
win11-20240802-en
Behavioral task
behavioral16
Sample
btn_dir_pushed.png
Resource
win11-20240802-en
Behavioral task
behavioral17
Sample
btn_light_1_disable.png
Resource
win11-20240802-en
Behavioral task
behavioral18
Sample
btn_light_1_hover.png
Resource
win11-20240802-en
Behavioral task
behavioral19
Sample
btn_light_1_normal.png
Resource
win11-20240802-en
Behavioral task
behavioral20
Sample
btn_light_1_pushed.png
Resource
win11-20240802-en
Behavioral task
behavioral21
Sample
ckb_1_off.png
Resource
win11-20240802-en
Behavioral task
behavioral22
Sample
ckb_1_on.png
Resource
win11-20240802-en
Behavioral task
behavioral23
Sample
i18n.json
Resource
win11-20240802-en
Behavioral task
behavioral24
Sample
ic_close.png
Resource
win11-20240802-en
Behavioral task
behavioral25
Sample
ic_close_disabled.png
Resource
win11-20240802-en
Behavioral task
behavioral26
Sample
ic_close_hover.png
Resource
win11-20240802-en
Behavioral task
behavioral27
Sample
ic_close_pushed.png
Resource
win11-20240802-en
Behavioral task
behavioral28
Sample
ic_min.png
Resource
win11-20240802-en
Behavioral task
behavioral29
Sample
ic_min_disabled.png
Resource
win11-20240802-en
Behavioral task
behavioral30
Sample
ic_min_hover.png
Resource
win11-20240802-en
Behavioral task
behavioral31
Sample
ic_min_pushed.png
Resource
win11-20240802-en
Behavioral task
behavioral32
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win11-20240802-en
General
-
Target
$PLUGINSDIR/BgWorker.dll
-
Size
2KB
-
MD5
33ec04738007e665059cf40bc0f0c22b
-
SHA1
4196759a922e333d9b17bda5369f14c33cd5e3bc
-
SHA256
50f735ab8f3473423e6873d628150bbc0777be7b4f6405247cddf22bb00fb6be
-
SHA512
2318b01f0c2f2f021a618ca3e6e5c24a94df5d00154766b77160203b8b0a177c8581c7b688ffe69be93a69bc7fd06b8a589844d42447f5060fb4bcf94d8a9aef
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3168 1424 WerFault.exe 79 -
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 3 IoCs
description pid Process procid_target PID 1400 wrote to memory of 1424 1400 rundll32.exe 79 PID 1400 wrote to memory of 1424 1400 rundll32.exe 79 PID 1400 wrote to memory of 1424 1400 rundll32.exe 79
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgWorker.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgWorker.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1424 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 4523⤵
- Program crash
PID:3168
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1424 -ip 14241⤵PID:1908