Overview

overview

6

Static

static

3

brotlicommon.dll

windows10-2004-x64

1

brotlicommon.dll

windows11-ltsc_2024-x64

1

brotlidec.dll

windows10-2004-x64

1

brotlidec.dll

windows11-ltsc_2024-x64

1

bz2.dll

windows10-2004-x64

1

bz2.dll

windows11-ltsc_2024-x64

1

dxwebsetup.exe

windows10-2004-x64

6

dxwebsetup.exe

windows11-ltsc_2024-x64

6

freetype.dll

windows10-2004-x64

1

freetype.dll

windows11-ltsc_2024-x64

1

libcurl.dll

windows10-2004-x64

1

libcurl.dll

windows11-ltsc_2024-x64

1

libpng16.dll

windows10-2004-x64

1

libpng16.dll

windows11-ltsc_2024-x64

1

tc1.exe

windows10-2004-x64

1

tc1.exe

windows11-ltsc_2024-x64

1

xxhash.dll

windows10-2004-x64

1

xxhash.dll

windows11-ltsc_2024-x64

1

zlib1.dll

windows10-2004-x64

1

zlib1.dll

windows11-ltsc_2024-x64

1

zstd.dll

windows10-2004-x64

1

zstd.dll

windows11-ltsc_2024-x64

1

Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/07/2026, 19:55

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General

  • Target
    zstd.dll
  • Size 640KB
  • Sample260723-ynk6psap2s
  • SHA256 d580e36ca1480c544c7bf8b036dcd8062168fc966a9761358f12149a22767a23
  • 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\zstd.dll,#1
    1⤵
      PID:3472

    Network

          MITRE ATT&CK Matrix

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          Downloads