Overview

overview

10

Static

static

3

Comet.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Comet.exe

  • Size

    12.5MB

  • Sample

    241027-qtmmqawkgx

  • MD5

    24a3aac021d51f514c7e5f066d82ab0d

  • SHA1

    ef5349826152e545921f268bde54a2a791c0630f

  • SHA256

    6ea2842ccf19304196d42ba48068eaa501d5c9a1cae360493324e75067a78c3d

  • SHA512

    34e516994f3d640c3a188ad0cf290b2c2985575ae2167285899383bde61ccedd1c3ca1ef6008182002c4c972d387a00ec0e8da1d4e1cdd506dd765abb735c5fb

  • SSDEEP

    393216:0/+csXJdkPRDxPXdvOezIUUsXuWrpw562o2sG:XQPRDxPtxFXuWrylmG

Score
10/10
exelastealercollectiondefense_evasiondiscoveryevasionpersistenceprivilege_escalationpyinstallerransomwarespywarestealerupx

Malware Config

Targets

    • Target

      Comet.exe

    • Size

      12.5MB

    • MD5

      24a3aac021d51f514c7e5f066d82ab0d

    • SHA1

      ef5349826152e545921f268bde54a2a791c0630f

    • SHA256

      6ea2842ccf19304196d42ba48068eaa501d5c9a1cae360493324e75067a78c3d

    • SHA512

      34e516994f3d640c3a188ad0cf290b2c2985575ae2167285899383bde61ccedd1c3ca1ef6008182002c4c972d387a00ec0e8da1d4e1cdd506dd765abb735c5fb

    • SSDEEP

      393216:0/+csXJdkPRDxPXdvOezIUUsXuWrpw562o2sG:XQPRDxPtxFXuWrylmG

    Score
    10/10
    exelastealercollectiondefense_evasiondiscoveryevasionpersistenceprivilege_escalationpyinstallerransomwarespywarestealerupx

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

      stealerexelastealer

    • Exelastealer family

      exelastealer

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Renames multiple (55) files with added filename extension

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

      ransomware

    • Modifies Windows Firewall

      evasion

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

      collection

    • 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

    • 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.

    • Network Service Discovery

      Attempt to gather information on host's network.

      discovery

    • Enumerates processes with tasklist

      discovery

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Account Manipulation

1
T1098

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Account Manipulation

1
T1098

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

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

Network Service Discovery

1
T1046

Permission Groups Discovery

1
T1069

Local Groups

1
T1069.001

Process Discovery

1
T1057

Query Registry

1
T1012

System Information Discovery

4
T1082

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

System Network Connections Discovery

1
T1049

Lateral Movement

Collection

Clipboard Data

1
T1115

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks