Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 21:41

General

  • Target

    Chaos Ransomware Builder v4.exe

  • Size

    550KB

  • MD5

    8b855e56e41a6e10d28522a20c1e0341

  • SHA1

    17ea75272cfe3749c6727388fd444d2c970f9d01

  • SHA256

    f2665f89ba53abd3deb81988c0d5194992214053e77fc89b98b64a31a7504d77

  • SHA512

    eefab442b9c1be379e00c6a7de9d6d7d327ad8fd52d62a5744e104f6caa44f7147a8e74f340870f9c017980a3d8a5a86a05f76434539c01270c442a66b2af908

  • SSDEEP

    3072:9UJAYdi2YcRVm16Pn6tpzqJG/sX9i2YcRPm16Pn6ckCjSH5EyR9aKZt18rTu+i2S:9aiWm162qJEsNiym16ryAiym168

Score
10/10

Malware Config

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe
    "C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2112
  • 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=1408 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2304

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2112-0-0x00007FFC8CBB3000-0x00007FFC8CBB5000-memory.dmp

      Filesize

      8KB

    • memory/2112-1-0x00000000009D0000-0x0000000000A5E000-memory.dmp

      Filesize

      568KB

    • memory/2112-2-0x00007FFC8CBB0000-0x00007FFC8D671000-memory.dmp

      Filesize

      10.8MB

    • memory/2112-3-0x00007FFC8CBB0000-0x00007FFC8D671000-memory.dmp

      Filesize

      10.8MB

    • memory/2112-4-0x00007FFC8CBB0000-0x00007FFC8D671000-memory.dmp

      Filesize

      10.8MB

    • memory/2112-5-0x00007FFC8CBB0000-0x00007FFC8D671000-memory.dmp

      Filesize

      10.8MB

    • memory/2112-6-0x00007FFC8CBB3000-0x00007FFC8CBB5000-memory.dmp

      Filesize

      8KB

    • memory/2112-7-0x00007FFC8CBB0000-0x00007FFC8D671000-memory.dmp

      Filesize

      10.8MB