Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
02/08/2024, 02:24
Static task
static1
Behavioral task
behavioral1
Sample
cd333c6bb19ed893608a3f2bb16e203af243852dcd3b346aef796171bf7a3cb6.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
cd333c6bb19ed893608a3f2bb16e203af243852dcd3b346aef796171bf7a3cb6.exe
Resource
win10v2004-20240730-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240730-en
General
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Target
$PLUGINSDIR/nsExec.dll
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Size
6KB
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MD5
143e45d5929ba564ba0c3a0773be76e6
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SHA1
c7e108ad681dd19afc646a43f7ce757388653f57
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SHA256
8459feb67b7eb0caaaed607e0f36c8d4979abf1bad87e7f1c7c2b97c73174d6d
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SHA512
1114403b9af202396ffe32610e1160313ff22c488f87b4a8f771d14fda02a954af7beacad5655143dafdf0af9a76b2a0d5c121ef57819e0567c367578482f003
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SSDEEP
96:T7fhZwXd8KgEbAa9PweF1WxD8ZLMJGgmkN238:0N8KgWAuLWxD8ZAGgmkN
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 1820 752 WerFault.exe 83 -
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 4788 wrote to memory of 752 4788 rundll32.exe 83 PID 4788 wrote to memory of 752 4788 rundll32.exe 83 PID 4788 wrote to memory of 752 4788 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:752 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 6123⤵
- Program crash
PID:1820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 752 -ip 7521⤵PID:1004