Overview
overview
5Static
static
3CapCut_726...er.exe
windows7-x64
5CapCut_726...er.exe
windows10-2004-x64
4$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ed.dll
windows7-x64
1$PLUGINSDI...ed.dll
windows10-2004-x64
1$PLUGINSDI...in.dll
windows7-x64
3$PLUGINSDI...in.dll
windows10-2004-x64
3$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3Analysis
-
max time kernel
122s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
17-02-2024 04:37
Static task
static1
Behavioral task
behavioral1
Sample
CapCut_7267140873131950085_installer.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
CapCut_7267140873131950085_installer.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/deviceregister_shared.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/deviceregister_shared.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win10v2004-20231215-en
General
-
Target
$PLUGINSDIR/shell_downloader.dll
-
Size
2.3MB
-
MD5
c052c0a2ed833d924b7799625413ac1c
-
SHA1
bdd08a29f4de283ba0eb3cda4abc26f6e85d4d5e
-
SHA256
098972cf9ddc9d574130e025a252a99b278de9cc0ae700acfb8c935c24eb1172
-
SHA512
89e67c29d5d8a401a70a5b572844f24bfde82d5d4259ecc5e6f12be0ddb434995a2e985914fc421973998e3fdc48b133e269e8bb1da513ec66199f01060162f1
-
SSDEEP
49152:ed86lJRUahxtsyZj1+z9DApoEV+i4u2VFZhDy+:ed86WsCA1+BDwdV94u2VFi
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1720 1428 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2148 wrote to memory of 1428 2148 rundll32.exe rundll32.exe PID 2148 wrote to memory of 1428 2148 rundll32.exe rundll32.exe PID 2148 wrote to memory of 1428 2148 rundll32.exe rundll32.exe PID 2148 wrote to memory of 1428 2148 rundll32.exe rundll32.exe PID 2148 wrote to memory of 1428 2148 rundll32.exe rundll32.exe PID 2148 wrote to memory of 1428 2148 rundll32.exe rundll32.exe PID 2148 wrote to memory of 1428 2148 rundll32.exe rundll32.exe PID 1428 wrote to memory of 1720 1428 rundll32.exe WerFault.exe PID 1428 wrote to memory of 1720 1428 rundll32.exe WerFault.exe PID 1428 wrote to memory of 1720 1428 rundll32.exe WerFault.exe PID 1428 wrote to memory of 1720 1428 rundll32.exe WerFault.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\shell_downloader.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\shell_downloader.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1428 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 2563⤵
- Program crash
PID:1720