Overview

overview

3

Static

static

3

BootstrapperNew.exe

windows10-2004-x64

1

BootstrapperNew.exe

windows11-ltsc_2024-x64

1

costura.dll

windows10-2004-x64

1

costura.dll

windows11-ltsc_2024-x64

1

costura.pdb

windows10-2004-x64

3

costura.pdb

windows11-ltsc_2024-x64

3

microsoft....rs.dll

windows10-2004-x64

1

microsoft....rs.dll

windows11-ltsc_2024-x64

1

microsoft....rs.pdb

windows10-2004-x64

3

microsoft....rs.pdb

windows11-ltsc_2024-x64

3

microsoft....es.dll

windows10-2004-x64

1

microsoft....es.dll

windows11-ltsc_2024-x64

1

microsoft....ck.dll

windows10-2004-x64

1

microsoft....ck.dll

windows11-ltsc_2024-x64

1

microsoft....ll.dll

windows10-2004-x64

1

microsoft....ll.dll

windows11-ltsc_2024-x64

1

newtonsoft.json.dll

windows10-2004-x64

1

newtonsoft.json.dll

windows11-ltsc_2024-x64

1

presentationcore.dll

windows10-2004-x64

1

presentationcore.dll

windows11-ltsc_2024-x64

1

presentati...rk.dll

windows10-2004-x64

1

presentati...rk.dll

windows11-ltsc_2024-x64

1

system.buffers.dll

windows10-2004-x64

1

system.buffers.dll

windows11-ltsc_2024-x64

1

system.codedom.dll

windows10-2004-x64

1

system.codedom.dll

windows11-ltsc_2024-x64

1

system.data.dll

windows10-2004-x64

1

system.data.dll

windows11-ltsc_2024-x64

1

system.io....em.dll

windows10-2004-x64

1

system.io....em.dll

windows11-ltsc_2024-x64

1

system.io....es.dll

windows10-2004-x64

1

system.io....es.dll

windows11-ltsc_2024-x64

1

Analysis

  • max time kernel
    148s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/07/2026, 03:58

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General

  • Target
    system.buffers.dll
  • Size 20KB
  • Sample260710-ejt39sd151
  • SHA256 accccfbe45d9f08ffeed9916e37b33e98c65be012cfff6e7fa7b67210ce1fefb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
1/10

Malware Config

Signatures

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\system.buffers.dll,#1
    1⤵
      PID:2268

    Network

          MITRE ATT&CK Matrix

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          Downloads