Overview
overview
5Static
static
3c91e097550...0d.exe
windows7-x64
5c91e097550...0d.exe
windows10-2004-x64
5$PLUGINSDI...er.dll
windows7-x64
3$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
Analysis
-
max time kernel
115s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04-03-2024 04:04
Static task
static1
Behavioral task
behavioral1
Sample
c91e097550ea6ccedf592d8b83414e0d.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c91e097550ea6ccedf592d8b83414e0d.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win7-20240215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/deviceregister_shared.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/deviceregister_shared.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win10v2004-20240226-en
General
-
Target
$PLUGINSDIR/downloader_nsis_plugin.dll
-
Size
1.2MB
-
MD5
f181413906a465fd0dd68cc4a3d98803
-
SHA1
5aa28be48047dd0b672ab98d5e7cbd8260486b4b
-
SHA256
e28ff7b8fc4b1eb2d1f394ce15de2fc031cda58db645038c8c07581c31e79dda
-
SHA512
8d0116bcbc3938b2ebdddf77dec87e4b6c872382d20b555571b0bc3e4a35f88d16bc450004f875a8271165b71bdbae5d4d474a5bfda4c7787da63f4325009c25
-
SSDEEP
24576:UtF94NRXKCK8gEM4Vn8rHmAumkpF6sBE:Ut/uXTianGmAumkpFe
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1300 1796 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4620 wrote to memory of 1796 4620 rundll32.exe rundll32.exe PID 4620 wrote to memory of 1796 4620 rundll32.exe rundll32.exe PID 4620 wrote to memory of 1796 4620 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloader_nsis_plugin.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloader_nsis_plugin.dll,#12⤵PID:1796
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 8683⤵
- Program crash
PID:1300
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1796 -ip 17961⤵PID:4980
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3244 --field-trial-handle=3488,i,1267426273081718772,6254127258555406296,262144 --variations-seed-version /prefetch:81⤵PID:3908