Overview

overview

10

Static

static

1

URLScan

urlscan

1

http://google.com

windows10-2004-x64

10

Resubmissions

08/04/2025, 19:22

250408-x3c8zayqx7 10

08/04/2025, 19:18

250408-xz9srsy1ct 10

08/04/2025, 19:14

250408-xx4hzaypz5 10

08/04/2025, 19:01

250408-xn9zdsyya1 10

08/04/2025, 18:53

250408-xj5twaymw5 10

Sharing

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General

  • Target

    http://google.com

  • Sample

    250408-xn9zdsyya1

Score
10/10
chimeradefense_evasiondiscoverypersistenceprivilege_escalationransomwarespywarestealer

Malware Config

Targets

    • Target

      http://google.com

    Score
    10/10
    chimeradefense_evasiondiscoverypersistenceprivilege_escalationransomwarespywarestealer

    • 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 (3266) files with added filename extension

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

      ransomware

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      defense_evasion

    • Drops startup file

    • Executes dropped EXE

    • 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

    • 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.

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks