Analysis

  • max time kernel
    126s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    21-02-2024 14:41

General

  • Target

    vc_redist.x86.exe

  • Size

    13.1MB

  • MD5

    1a15e6606bac9647e7ad3caa543377cf

  • SHA1

    bfb74e498c44d3a103ca3aa2831763fb417134d1

  • SHA256

    fdd1e1f0dcae2d0aa0720895eff33b927d13076e64464bb7c7e5843b7667cd14

  • SHA512

    e8cb67fc8e0312da3cc98364b96dfa1a63150ab9de60069c4af60c1cf77d440b7dffe630b4784ba07ea9bf146bdbf6ad5282a900ffd6ab7d86433456a752b2fd

  • SSDEEP

    393216:S1RPq5dCsKSR65cX7Eyd/qnejOFxP7OEnl4L/Vvc:yP5iw56oyleej2OEnlwc

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\vc_redist.x86.exe
    "C:\Users\Admin\AppData\Local\Temp\vc_redist.x86.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2556
    • C:\Users\Admin\AppData\Local\Temp\vc_redist.x86.exe
      "C:\Users\Admin\AppData\Local\Temp\vc_redist.x86.exe" -burn.unelevated BurnPipe.{252CE2B0-4073-4509-9349-74DDA5363B99} {2B3CA4A4-15D9-456F-AA8C-FFA2AF286A91} 2556
      2⤵
      • Loads dropped DLL
      PID:2844
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1488 --field-trial-handle=1392,i,14939235924139705442,16738741620664339600,131072 /prefetch:2
    1⤵
      PID:1904
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --mojo-platform-channel-handle=3216 --field-trial-handle=1392,i,14939235924139705442,16738741620664339600,131072 /prefetch:1
      1⤵
        PID:1016
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3824 --field-trial-handle=1392,i,14939235924139705442,16738741620664339600,131072 /prefetch:8
        1⤵
          PID:2216

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\logo.png

          Filesize

          1KB

          MD5

          d6bd210f227442b3362493d046cea233

          SHA1

          ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

          SHA256

          335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

          SHA512

          464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

        • \Users\Admin\AppData\Local\Temp\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\wixstdba.dll

          Filesize

          118KB

          MD5

          4d20a950a3571d11236482754b4a8e76

          SHA1

          e68bd784ac143e206d52ecaf54a7e3b8d4d75c9c

          SHA256

          a9295ad4e909f979e2b6cb2b2495c3d35c8517e689cd64a918c690e17b49078b

          SHA512

          8b9243d1f9edbcbd6bdaf6874dc69c806bb29e909bd733781fde8ac80ca3fff574d786ca903871d1e856e73fd58403bebb58c9f23083ea7cd749ba3e890af3d2