09b59f87c4407d78de16c329012b5aaa1cd5ccae2fd26f0ccebdebb7c231ec22 | Triage

Analysis

max time kernel
192s
max time network
207s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2024 02:54

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General

Target

$PLUGINSDIR/StdUtils.dll
Size

100KB
MD5

c6a6e03f77c313b267498515488c5740
SHA1

3d49fc2784b9450962ed6b82b46e9c3c957d7c15
SHA256

b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
SHA512

9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803
SSDEEP

3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3360	3124	WerFault.exe	18

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 3124	2236	rundll32.exe	18
PID 2236 wrote to memory of 3124	2236	rundll32.exe	18
PID 2236 wrote to memory of 3124	2236	rundll32.exe	18

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
  2⤵
  PID:3124
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 628
    3⤵
    - Program crash
    PID:3360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3124 -ip 3124
1⤵
PID:3152

Network

MITRE ATT&CK Matrix

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