Overview

overview

10

Static

static

1

URLScan

urlscan

https://github.com/D...

windows10-2004-x64

10

https://github.com/D...

windows10-ltsc 2021-x64

4

Sharing

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General

  • Target

    https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Virus/WinNuke.98.exe

  • Sample

    241109-qwfbesvjax

Score
10/10
chimeradiscoverymacromacro_on_actionransomwarespywarestealer

Malware Config

Targets

    • Target

      https://github.com/Da2dalus/The-MALWARE-Repo/blob/master/Virus/WinNuke.98.exe

    Score
    10/10
    chimeradiscoverymacromacro_on_actionransomwarespywarestealer

    • 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 (3262) files with added filename extension

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

      ransomware

    • Downloads MZ/PE file

    • Office macro that triggers on suspicious action

      Office document macro which triggers in special circumstances - often malicious.

      macromacro_on_action

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks