Overview
overview
3Static
static
3$PLUGINSDI...er.dll
windows7-x64
3$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
3Resubmissions
13-04-2024 00:27
240413-ar5shsbf7v 313-04-2024 00:24
240413-aqhxcsbf5x 413-04-2024 00:21
240413-anj2msgg66 4Analysis
-
max time kernel
1803s -
max time network
1819s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
13-04-2024 00:27
Static task
static1
Behavioral task
behavioral1
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/deviceregister_shared.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/deviceregister_shared.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win10v2004-20240412-en
General
-
Target
$PLUGINSDIR/shell_downloader.dll
-
Size
2.2MB
-
MD5
30c4aa9356d60d2039ed6bfb7850c4c1
-
SHA1
ef23c32dab6ed871527151932bbfe8b917d507af
-
SHA256
0c4abb66d9a69c80cfaa0eb3c988d4dc40d989843a87e95ed3cc6e75dae31559
-
SHA512
f425c9fcefd2ed55160d173b8e441f7867307fd006b0f01a655120ba150d87568ddc6266d36163267ce508df8147a97c16982093808c766051ca1e02ba9cc62b
-
SSDEEP
49152:6oiR6tzluS2KbICD13Nw2FiBLROWnhJV:6oiR+zDhbB19w+i1ROW
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2424 2512 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2524 wrote to memory of 2512 2524 rundll32.exe rundll32.exe PID 2524 wrote to memory of 2512 2524 rundll32.exe rundll32.exe PID 2524 wrote to memory of 2512 2524 rundll32.exe rundll32.exe PID 2524 wrote to memory of 2512 2524 rundll32.exe rundll32.exe PID 2524 wrote to memory of 2512 2524 rundll32.exe rundll32.exe PID 2524 wrote to memory of 2512 2524 rundll32.exe rundll32.exe PID 2524 wrote to memory of 2512 2524 rundll32.exe rundll32.exe PID 2512 wrote to memory of 2424 2512 rundll32.exe WerFault.exe PID 2512 wrote to memory of 2424 2512 rundll32.exe WerFault.exe PID 2512 wrote to memory of 2424 2512 rundll32.exe WerFault.exe PID 2512 wrote to memory of 2424 2512 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
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\shell_downloader.dll,#12⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 2563⤵
- Program crash