46a2ef76412b88068194c79780e29ac7307831849da46b189567b11c87b678b7 | Triage

Analysis

max time kernel
138s
max time network
143s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
20-04-2024 10:39

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General

Target

Crystal disk/CdiResource/dll/JMS586x86.dll
Size

201KB
MD5

ba1b819d15120df67e73bc6a18d467b8
SHA1

60c4bc9fed804cd34480f4cdff937f6ef2f7eb77
SHA256

eca1289baa825b8931610cd557a0456a087c0861b2244677aea381f057dcd4fa
SHA512

f9e29445786102c41324442c4f7a8346df0cfcc11aa9dd944fd6644c3fee45987341ed994ab09edc6e207664db1c591cefa8c3ce0c2e57af0a410593b54326ef
SSDEEP

6144:GlyxCQ2Db9mdjkStTvFZe0cMxAr/3Jt5Qx:FNkStTvgzJX

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2724 96 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3648 wrote to memory of 96	3648	rundll32.exe	rundll32.exe
PID 3648 wrote to memory of 96	3648	rundll32.exe	rundll32.exe
PID 3648 wrote to memory of 96	3648	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Crystal disk\CdiResource\dll\JMS586x86.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3648

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Crystal disk\CdiResource\dll\JMS586x86.dll",#1
2⤵
PID:96

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 96 -s 620
3⤵
- Program crash
PID:2724

Network

MITRE ATT&CK Matrix

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