f422d28bbfd249b233299b1e98706816d23029424646a5f7e8d8ad0e37db76b2 | Triage

Analysis

max time kernel
1632s
max time network
1429s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
05-03-2022 13:24

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General

Target

Signalis/DLC/nss3.dll
Size

1.2MB
MD5

bfac4e3c5908856ba17d41edcd455a51
SHA1

8eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256

e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA512

2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2524 1820 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1664 wrote to memory of 1820	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1820	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1820	1664	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Signalis\DLC\nss3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Signalis\DLC\nss3.dll,#1
2⤵
PID:1820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 640
3⤵
- Program crash
PID:2524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1820 -ip 1820
1⤵
PID:2352

MITRE ATT&CK Matrix

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