Analysis
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max time kernel
91s -
max time network
101s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-08-2024 18:12
Static task
static1
Behavioral task
behavioral1
Sample
nss3.dll
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
nss3.dll
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
nss3.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
nss3.dll
Resource
win11-20240802-en
General
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Target
nss3.dll
-
Size
2.0MB
-
MD5
1cc453cdf74f31e4d913ff9c10acdde2
-
SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe
-
SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
-
SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
-
SSDEEP
49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
Malware Config
Signatures
-
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.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4644 wrote to memory of 1976 4644 rundll32.exe rundll32.exe PID 4644 wrote to memory of 1976 4644 rundll32.exe rundll32.exe PID 4644 wrote to memory of 1976 4644 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\nss3.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\nss3.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1976