Analysis
- max time kernel
121s - max time network
122s - platform
windows7_x64 - resource
win7-20240705-en - resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system - submitted
27/08/2024, 02:54
Static task
static1
Behavioral task
behavioral1
Sample
a7ce140d12ae3b2180a2f170bd9cf812034046b5b4da2bc0725240445264a404.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
a7ce140d12ae3b2180a2f170bd9cf812034046b5b4da2bc0725240445264a404.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240705-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240802-en
General
- Target $PLUGINSDIR/nsExec.dll
- Size 6KB
- Sample240827-dd5gda1dnr
- SHA256 608364aa628004d02d786e961b6fe3d04addeee7892d393871f71241cdf3137f
- MD5 3032c25dd603e66c040dce56f73de8d3
- SHA1 9393ba163219bf0913c1b6b13a42bad7ad69916c
- SHA512 08533c8b43f90210b47922ddfb7533e19ff1d85796705b2ff707e92315ae81cfc4b95428f1c26d34e742a57e183781bc12efafd2a50a97c02f14b3fd29fff851
- SSDEEP 96:rt4Vl/7Lo1UBrob9ljNEUgD7cyuM1x9XkraK2A2KAB5VVDyssKZ:rt4Vlw1Iul5J8T1vK20I5VVGsb
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 2100 2292 WerFault.exe 30 - 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 11 IoCs
description pid Process procid_target PID 1584 wrote to memory of 2292 1584 rundll32.exe 30 PID 1584 wrote to memory of 2292 1584 rundll32.exe 30 PID 1584 wrote to memory of 2292 1584 rundll32.exe 30 PID 1584 wrote to memory of 2292 1584 rundll32.exe 30 PID 1584 wrote to memory of 2292 1584 rundll32.exe 30 PID 1584 wrote to memory of 2292 1584 rundll32.exe 30 PID 1584 wrote to memory of 2292 1584 rundll32.exe 30 PID 2292 wrote to memory of 2100 2292 rundll32.exe 31 PID 2292 wrote to memory of 2100 2292 rundll32.exe 31 PID 2292 wrote to memory of 2100 2292 rundll32.exe 31 PID 2292 wrote to memory of 2100 2292 rundll32.exe 31
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1584 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 2203⤵
- Program crash
PID:2100
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