Analysis

  • max time kernel
    148s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-03-2024 00:17

General

  • Target

    System.Collections.dll

  • Size

    242KB

  • MD5

    6efaaf2006d7f73efacf572c6dc49e4a

  • SHA1

    6dbb8ada7a1460e96126e00ed7cceb42ac0367b0

  • SHA256

    b84e5b657629fa7af7fef55f2eb4cad1031e77b14eaa971744d567eddf01cfde

  • SHA512

    1573f0a2c9785773f517724236c45abb9cc848e7298bbc6b4c2a04ae6b6901b61ebd423f25dd71d6454f19fc41300f6b04e7809357a79f772040df2c43ef2601

  • SSDEEP

    3072:NSEfcbmJrpQON/GBvhMAwucZoTcP2fQZQG3pV/up8oYbchYz0H4V2F7tsKgo41OC:LcaJaG2veAVTPcxRoYbc40HtjNn4d

Score
1/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\System.Collections.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\System.Collections.dll,#1
      2⤵
        PID:3320
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1380 --field-trial-handle=2496,i,15897292497548307209,13920214570023230813,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2768

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads