ca5837c6b4cdde0e3ef9942ba308ca19e9b51439048bd0c2fcf5753e1403a517 | Triage

Analysis

max time kernel
91s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2022 00:29

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General

Target

nss3.dll
Size

2.0MB
MD5

1cc453cdf74f31e4d913ff9c10acdde2
SHA1

6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256

ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512

dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP

49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

596 4912 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4648 wrote to memory of 4912	4648	rundll32.exe	rundll32.exe
PID 4648 wrote to memory of 4912	4648	rundll32.exe	rundll32.exe
PID 4648 wrote to memory of 4912	4648	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\nss3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\nss3.dll,#1
  2⤵
  PID:4912
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 636
    3⤵
    - Program crash
    PID:596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4912 -ip 4912
1⤵
PID:4996

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4912-132-0x0000000000000000-mapping.dmp

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