a831ab76dcd785734393b7f95d84a7ac6682823bcd4886560b2b4c1782b82709 | Triage

Analysis

max time kernel
141s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-01-2024 02:12

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General

Target

API-MS-Win-core-xstate-l2-1-0.dll
Size

12KB
MD5

5f11b9bb427753bdae6d312a02c516f9
SHA1

6fb327e5a64a94c2489f3a82999b7d60babb228a
SHA256

4879fe3ea58d853f21658aefc5e8b92b7e6333d77c0af31a6bf9ff769475f6fd
SHA512

09a317ecb7d83f1aa2d06e65371513ae770c9df4691b5ad3d50918e4bfacf1635fafaa43ada4efd5d23c448a7eb80675baecccb3ca9dbbfba4e829248a5bf466
SSDEEP

384:9cf5b+W1hWx7HRN7izd72vH3rPR9z/gtP:uf5bVGic3l9zM

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1668	4480	WerFault.exe	83

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 4480	2112	rundll32.exe	83
PID 2112 wrote to memory of 4480	2112	rundll32.exe	83
PID 2112 wrote to memory of 4480	2112	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\API-MS-Win-core-xstate-l2-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\API-MS-Win-core-xstate-l2-1-0.dll,#1
  2⤵
  PID:4480
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 600
    3⤵
    - Program crash
    PID:1668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4480 -ip 4480
1⤵
PID:2776

Network

MITRE ATT&CK Matrix

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