Overview
overview
10Static
static
1020a6c6e35c...d2.exe
windows7-x64
920a6c6e35c...d2.exe
windows10-2004-x64
9$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDIR/Midex.dll
windows7-x64
6$PLUGINSDIR/Midex.dll
windows10-2004-x64
6$PLUGINSDIR/jsis.dll
windows7-x64
3$PLUGINSDIR/jsis.dll
windows10-2004-x64
3$PLUGINSDI...ON.dll
windows7-x64
3$PLUGINSDI...ON.dll
windows10-2004-x64
3$_106_.dll
windows7-x64
1$_106_.dll
windows10-2004-x64
1Analysis
-
max time kernel
118s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
04-06-2024 01:06
Static task
static1
Behavioral task
behavioral1
Sample
20a6c6e35c32583f23b8701d14233fccec6fc68d6fc78dcffbb4da1c53b6b9d2.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
20a6c6e35c32583f23b8701d14233fccec6fc68d6fc78dcffbb4da1c53b6b9d2.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/JsisPlugins.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/JsisPlugins.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/Midex.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/Midex.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/jsis.dll
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/jsis.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsJSON.dll
Resource
win7-20240508-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsJSON.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
$_106_.dll
Resource
win7-20240220-en
Behavioral task
behavioral12
Sample
$_106_.dll
Resource
win10v2004-20240508-en
General
-
Target
$PLUGINSDIR/jsis.dll
-
Size
127KB
-
MD5
4b27df9758c01833e92c51c24ce9e1d5
-
SHA1
c3e227564de6808e542d2a91bbc70653cf88d040
-
SHA256
d37408f77b7a4e7c60800b6d60c47305b487e8e21c82a416784864bd9f26e7bb
-
SHA512
666f1b99d65169ec5b8bc41cdbbc5fe06bcb9872b7d628cb5ece051630a38678291ddc84862101c727f386c75b750c067177e6e67c1f69ab9f5c2e24367659f4
-
SSDEEP
3072:J3Zk9fOAewM0+W8NVH28fB948igEWo8P+fidXs:J3qNOApM1G8fBpidWZ
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1676 1664 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2340 wrote to memory of 1664 2340 rundll32.exe rundll32.exe PID 2340 wrote to memory of 1664 2340 rundll32.exe rundll32.exe PID 2340 wrote to memory of 1664 2340 rundll32.exe rundll32.exe PID 2340 wrote to memory of 1664 2340 rundll32.exe rundll32.exe PID 2340 wrote to memory of 1664 2340 rundll32.exe rundll32.exe PID 2340 wrote to memory of 1664 2340 rundll32.exe rundll32.exe PID 2340 wrote to memory of 1664 2340 rundll32.exe rundll32.exe PID 1664 wrote to memory of 1676 1664 rundll32.exe WerFault.exe PID 1664 wrote to memory of 1676 1664 rundll32.exe WerFault.exe PID 1664 wrote to memory of 1676 1664 rundll32.exe WerFault.exe PID 1664 wrote to memory of 1676 1664 rundll32.exe WerFault.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jsis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jsis.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1664 -s 2283⤵
- Program crash
PID:1676