6fc494a717e1d8ca843578c7c19a27e4403eea0859393fda256d281cfa6f9535 | Triage

Analysis

max time kernel
1369s
max time network
1165s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 11:08

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General

Target

jre/bin/jaas_nt.dll
Size

19KB
MD5

503275e515e3f2770a62d11e386eadbf
SHA1

c7be65796aa0e490779f202c67eec5e9fbb65113
SHA256

97b5d1c8e7aaace5c86a418cb7418d3b0ba4f5e178de3cf1031029f7f36832af
SHA512

ac7c0cb626c2d821f0f4e392ee4e02c9e0093f019aa5b2947e0c7b3290a0098a3d9bb803ab44fd304ca1f1d272cfb7b775e3c75c72c7523ff7240f38440cfc3c
SSDEEP

384:45kF/QP8xkI6hgWIE0PVlyJSZ9nYPLr7+:4SqP7I6rkd4EfC7+

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4472 2056 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1616 wrote to memory of 2056	1616	rundll32.exe	rundll32.exe
PID 1616 wrote to memory of 2056	1616	rundll32.exe	rundll32.exe
PID 1616 wrote to memory of 2056	1616	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jre\bin\jaas_nt.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jre\bin\jaas_nt.dll,#1
  2⤵
  PID:2056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 616
    3⤵
    - Program crash
    PID:4472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2056 -ip 2056
1⤵
PID:3408

Network

MITRE ATT&CK Matrix

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Downloads