Analysis
- max time kernel
136s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
31/10/2024, 09:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
whatsappjpg.exe
Resource
win7-20240903-en
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
whatsappjpg.exe
Resource
win10v2004-20241007-en
17 signatures
150 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
3 signatures
150 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
3 signatures
150 seconds
General
- Target $PLUGINSDIR/System.dll
- Size 11KB
- Sample241031-lncs4stqfs
- SHA256 5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3
- MD5 7399323923e3946fe9140132ac388132
- SHA1 728257d06c452449b1241769b459f091aabcffc5
- SHA512 d6f28ba761351f374ae007c780be27758aea7b9f998e2a88a542eede459d18700adffe71abcb52b8a8c00695efb7ccc280175b5eeb57ca9a645542edfabb64f1
- SSDEEP 192:eF2HS5ih/7i00dWz9T7PH6lOFcQMI5+Vw+bPFomi7dJWsP:rSUmlw9T7DmnI5+N273FP
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 4976 1156 WerFault.exe 85 - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3304 wrote to memory of 1156 3304 rundll32.exe 85 PID 3304 wrote to memory of 1156 3304 rundll32.exe 85 PID 3304 wrote to memory of 1156 3304 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3304 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1156 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 6163⤵
- Program crash
PID:4976
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1156 -ip 11561⤵PID:1140