Resubmissions

07-01-2025 19:22

250107-x3kcaavmb1 10

07-01-2025 07:44

250107-jk35sa1mex 10

Analysis

  • max time kernel
    145s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 07:44

General

  • Target

    css/goto.exe

  • Size

    2.6MB

  • MD5

    5d994ed0be59ab5f2f0242706b8b3b55

  • SHA1

    b7787d1050691e9dbc5ef6dadc80c36761ae9697

  • SHA256

    74533489c6609b07b00e578d98af29dd6250ddd800e5ecf5743cd9af2e2f24f3

  • SHA512

    86c9e160b7b9015c790254857526aa554a020888383638eb4787a4f700b299cd16e26c08e4dac823be8832274eb3bc74421932e9bb880e44062053fc49f1de27

  • SSDEEP

    49152:dJp9NvSqm1wFE5eBe0/4tmsHfK99IvS0mmvQDTGJt0P:AqsevwIN9Wn0

Score
6/10

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\css\goto.exe
    "C:\Users\Admin\AppData\Local\Temp\css\goto.exe"
    1⤵
    • System policy modification
    PID:1804
  • C:\Users\Admin\AppData\Local\Temp\css\goto.exe
    "C:\Users\Admin\AppData\Local\Temp\css\goto.exe" service
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4960
    • C:\Users\Admin\AppData\Local\Temp\css\goto.exe
      "C:\Users\Admin\AppData\Local\Temp\css\goto.exe" Global\GotoHTTP_1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\css\gotohttp.ini

    Filesize

    74B

    MD5

    99ac68f1629e4dd627bd56fba97d3bc7

    SHA1

    75f51e2c35f970568bf1786eb773cc8581011d98

    SHA256

    8029246632f7761611a50738e621ed2341390a3c7a18631b021a48aac65bc3d9

    SHA512

    398121a44e5cc7105a302a068a69e60b86e7499ab49f828d5f8c07bdb0b2177cdf6f828224be691460bea0f2a419e16db6db3ee95e8758ce3fe9c0e85e52f0e2

  • memory/4668-0-0x0000000001390000-0x0000000001391000-memory.dmp

    Filesize

    4KB

  • memory/4668-2-0x0000000001390000-0x0000000001391000-memory.dmp

    Filesize

    4KB