Analysis

  • max time kernel
    101s
  • max time network
    142s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250313-en
  • resource tags

    arch:x64arch:x86image:win11-20250313-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22/03/2025, 00:26

General

  • Target

    Release.zip

  • Size

    329KB

  • MD5

    b4bc04a9de8511b1e580037b61f4bb8a

  • SHA1

    4e38e8d2cd98a55fa96ff19ae7c71e255e54f28c

  • SHA256

    235419025a4370a900cb615294e8c0328368159d94554da60bb63003606a1aed

  • SHA512

    0d1a3a3a8e8d1d823700baa104b60d5d9ac1376806fd56c634107d27eee78b07e6400e572177adcbfecd664f2dd2354d1bcd1959cb298f2f7ba79512cec1a49e

  • SSDEEP

    6144:pvlMkrmCOQBfUUK26TrFentFZPK+Mw1lqJlbYFc/ll0vbt2RfNz:5ZRSUAHFet4Hl4czebktt

Score
1/10

Malware Config

Signatures

  • Modifies registry class 4 IoCs

Processes

  • C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\Release.zip
    1⤵
      PID:4404
    • C:\Windows\system32\BackgroundTransferHost.exe
      "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
      1⤵
      • Modifies registry class
      PID:2824

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\8077cfd0-ffeb-4fd8-9941-e35cf3d99d4c.down_data

      Filesize

      555KB

      MD5

      5683c0028832cae4ef93ca39c8ac5029

      SHA1

      248755e4e1db552e0b6f8651b04ca6d1b31a86fb

      SHA256

      855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e

      SHA512

      aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3