Analysis

  • max time kernel
    80s
  • max time network
    82s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-07-2024 07:23

General

  • Target

    Chaos Ransomware Builderv4.exe

  • Size

    548KB

  • MD5

    9a44537dfcf8ceac515c4aa92f30f4af

  • SHA1

    9a26c3ff3251f69950ce09e3692ce14b5dd536b1

  • SHA256

    3246be7f25f8f4cd9ade8f0a8faf12847df126eecf65d7e8012f35ab45e73a40

  • SHA512

    94da6f1aaae6c25e47e31ac246a8703ec8f7b2893a44ae10f7600cc79ba673bca60d7fb41b2ebac8a4b5497ab98a0a195a32d93f4fc140ba7c9cd25811943500

  • SSDEEP

    3072:COn8W06i2YcRVm16Pn6dpzqJG/sX9i2YcRPm16Pn6ckCsrwl5ZEy3/MZt18rVi2Z:ziWm16WqJEsNiym16rntziSm167

Score
10/10

Malware Config

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builderv4.exe
    "C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builderv4.exe"
    1⤵
      PID:4820
    • 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=3464 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4208

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4820-0-0x00007FFCE8BB3000-0x00007FFCE8BB5000-memory.dmp

        Filesize

        8KB

      • memory/4820-1-0x00000000001B0000-0x000000000023E000-memory.dmp

        Filesize

        568KB

      • memory/4820-2-0x00007FFCE8BB0000-0x00007FFCE9671000-memory.dmp

        Filesize

        10.8MB

      • memory/4820-3-0x00007FFCE8BB0000-0x00007FFCE9671000-memory.dmp

        Filesize

        10.8MB

      • memory/4820-4-0x00007FFCE8BB0000-0x00007FFCE9671000-memory.dmp

        Filesize

        10.8MB

      • memory/4820-5-0x00007FFCE8BB3000-0x00007FFCE8BB5000-memory.dmp

        Filesize

        8KB

      • memory/4820-6-0x00007FFCE8BB0000-0x00007FFCE9671000-memory.dmp

        Filesize

        10.8MB