Overview
overview
8Static
static
3capcut_cap...er.exe
windows10-2004-x64
6capcut_cap...er.exe
windows11-ltsc_2024-x64
6$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...er.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
8$PLUGINSDI...in.dll
windows10-2004-x64
3$PLUGINSDI...in.dll
windows11-ltsc_2024-x64
8$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...er.dll
windows11-ltsc_2024-x64
3Analysis
- max time kernel
899s - max time network
455s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/08/2026, 03:25
Static task
static1
Behavioral task
behavioral1
Sample
capcut_capcutpc_invitefission_1.2.29_installer.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
capcut_capcutpc_invitefission_1.2.29_installer.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win11ltsc2024-20260709-en
General
- Target $PLUGINSDIR/shell_downloader.dll
- Size 2.3MB
- Sample260816-dy2afscl4x
- SHA256 685e9f64a1915f3663f7ebd26cc2e23621e82e5bea94c04cc9037b039e30bbf9
- MD5 b4ac02a6364e814676c25106598daca4
- SHA1 8acfb449a630eed8e4bdf8a8f4fda6b9400dec01
- SHA512 f801766faac8d64ba7d44ffd3b02f14a54538316614a86e061a8757109e543a2ac150a56c6b1cf8b089987c34a472579fe2684ce3c3107078fb12daeaa79e787
- SSDEEP 49152:8KF9iNwZyljeOItpEUWqmFRxKwOgCjwqaezhwDUiCJ:8KPi9upEcm7x8g4wqaMiC
- TLSH T101B59D02B5A290B5CC4B3172749DA77D9A380A844B34CDD7CBD0ACE47BF15D2263E79A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1164 4904 WerFault.exe 89 - 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 4248 wrote to memory of 4904 4248 rundll32.exe 89
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\shell_downloader.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4248 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\shell_downloader.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4904 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 6683⤵
- Program crash
PID:1164
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 4904 -ip 49041⤵PID:4312
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:756
-
C:\Windows\System32\SecurityHealthHost.exe\\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding1⤵PID:4088