45c944889a482ae2e0e0a8e260c3be737cb612c8804164badef61e8a8713b92f | Triage

Analysis

max time kernel
11s
max time network
2s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2022 09:12

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General

Target

RasTls.dll
Size

3KB
MD5

d5915394a6916a00c426aa2827d97c0e
SHA1

50064d66c9b55b6f7d22051b81914d8366fe36c8
SHA256

6cd5079a69d9a68029e37f2680f44b7ba71c2b1eecf4894c2a8b293d5f768f10
SHA512

56aa607a5a1bf095b017fd23a1007795f4bdd3a5a5efe571f7c74b7a4e37fb88f3031c26b5189e9f67328222b3dda621a7379da5341bfa95e25605b703ea6373

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1928 1564 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1152 wrote to memory of 1564	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1564	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1564	1152	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\RasTls.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1152

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\RasTls.dll,#1
2⤵
PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1564 -s 848
3⤵
- Program crash
PID:1928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1564 -ip 1564
1⤵
PID:2440

MITRE ATT&CK Matrix

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Downloads

memory/1564-132-0x0000000000000000-mapping.dmp

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