Analysis
- max time kernel
93s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
07/10/2024, 20:29
Static task
static1
Behavioral task
behavioral1
Sample
3a8b254e5d72bd8465898f3f7d3af731c103ad07b064a78f80b6f042213c66bd.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3a8b254e5d72bd8465898f3f7d3af731c103ad07b064a78f80b6f042213c66bd.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20241007-en
General
- Target $PLUGINSDIR/nsExec.dll
- Size 6KB
- Sample241007-y9vbhasglk
- SHA256 bcb93204bd1854d0c34fa30883bab51f6813ab32abf7fb7d4aeed21d71f6af87
- MD5 6c881f00ba860b17821d8813aa34dbc6
- SHA1 0e5a1e09b1ce1bc758d6977b913a8d9ccbe52a13
- SHA512 c78d6f43aa9bb35260a7bd300392ce809282660283fa6cb3059bae50d6db229b0b853cab7c949d4bdf19309fb183257b1c9feb01a66347e1c0adeb21543315b6
- SSDEEP 96:DOBtYZKtPsrqBApt1JHpb9XWk7Qe06iE6mE6YNFyVOHd0+ugwEX:DtZKtrAJJJbP7iEHEbN8Ved0PM
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1700 3964 WerFault.exe 82 - 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 508 wrote to memory of 3964 508 rundll32.exe 82 PID 508 wrote to memory of 3964 508 rundll32.exe 82 PID 508 wrote to memory of 3964 508 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:508 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3964 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 6123⤵
- Program crash
PID:1700
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3964 -ip 39641⤵PID:4600