Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-02-2025 21:33

General

  • Target

    bootstrap/tier0_s64.dll

  • Size

    410KB

  • MD5

    328655e0f2611479a90db044ab130373

  • SHA1

    d678fd28927f05bde277bc3dc5fc51e2b4dce8b8

  • SHA256

    586a9c2a27e906a54182166ec63a02bb6a28eb4e2e7e53a799db928b76fd036d

  • SHA512

    8849dbfa9406c94b9750a6771ba391be95d8b41c53f19f446be92f4f22633975aa7d11b999e9f25b93bc682173ad6e4993486a2ec51c7475046db8daf9b1ebc2

  • SSDEEP

    6144:3gOdWrN3L9iopicrVgNSpmbY+fNo809MmbtkrFCwXNmGzZ4gs7T3D3WG8dvB4h:3gOG3LEopVqYG2809DKriGzZ4g2rWwh

Score
6/10

Malware Config

Signatures

  • Downloads MZ/PE file 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bootstrap\tier0_s64.dll,#1
    1⤵
      PID:4536
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4MzAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTE0Njg3NjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTMwMDYwMzE5Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
      1⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:5116

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads