Overview

overview

9

Static

static

1

URLScan

urlscan

1

https://upstream.so

windows10-2004-x64

9

Sharing

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General

  • Target

    https://upstream.so

  • Sample

    240814-h2phaathjr

Score
9/10
discoveryransomware

Malware Config

Targets

    • Target

      https://upstream.so

    Score
    9/10
    discoveryransomware

    • Renames multiple (537) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

      discovery

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks