Analysis
-
max time kernel
117s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 02:11
Static task
static1
Behavioral task
behavioral1
Sample
b7f32eba711b23c10467841163a1d84b4002f99b16399b7356eee0e2abe651df.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
b7f32eba711b23c10467841163a1d84b4002f99b16399b7356eee0e2abe651df.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240215-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240426-en
General
-
Target
$PLUGINSDIR/System.dll
-
Size
12KB
-
MD5
12b140583e3273ee1f65016becea58c4
-
SHA1
92df24d11797fefd2e1f8d29be9dfd67c56c1ada
-
SHA256
014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
-
SHA512
49ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a
-
SSDEEP
192:gFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/nC93:E7pJp48F2exrg5F/C
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3044 3004 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2988 wrote to memory of 3004 2988 rundll32.exe rundll32.exe PID 2988 wrote to memory of 3004 2988 rundll32.exe rundll32.exe PID 2988 wrote to memory of 3004 2988 rundll32.exe rundll32.exe PID 2988 wrote to memory of 3004 2988 rundll32.exe rundll32.exe PID 2988 wrote to memory of 3004 2988 rundll32.exe rundll32.exe PID 2988 wrote to memory of 3004 2988 rundll32.exe rundll32.exe PID 2988 wrote to memory of 3004 2988 rundll32.exe rundll32.exe PID 3004 wrote to memory of 3044 3004 rundll32.exe WerFault.exe PID 3004 wrote to memory of 3044 3004 rundll32.exe WerFault.exe PID 3004 wrote to memory of 3044 3004 rundll32.exe WerFault.exe PID 3004 wrote to memory of 3044 3004 rundll32.exe WerFault.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 2203⤵
- Program crash
PID:3044