Overview

overview

10

Static

static

1

URLScan

urlscan

http://d

windows7-x64

3

http://d

windows10-ltsc_2021-x64

7

http://d

windows11-21h2-x64

10

Sharing

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General

  • Target

    http://d

  • Sample

    250316-f3nk9swlw4

Score
10/10
chimeradiscoverypersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      http://d

    Score
    10/10
    discoverychimerapersistenceransomwarespywarestealer

    • Chimera

      Ransomware which infects local and network files, often distributed via Dropbox links.

      ransomwarechimera

    • Chimera Ransomware Loader DLL

      Drops/unpacks executable file which resembles Chimera's Loader.dll.

      ransomware

    • Chimera family

      chimera

    • Renames multiple (3281) files with added filename extension

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

      ransomware

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v15

Tasks

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