Overview

overview

10

Static

static

3

Zetox.exe

windows10-2004-x64

10

Zetox.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    Zetox.exe
  • Size 32.0MB
  • Sample260503-2zmepadt3l
  • SHA256 1222a3e5b6d739d944df36ae12d187d0e3b3f35fdb54975669f5609873094e84
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
blankgrabbercredential_accessdefense_evasiondiscoveryevasionexecutionspywarestealertrojan

Malware Config

Targets

    • Target
      Zetox.exe
    • Size 32.0MB
    • SHA256 1222a3e5b6d739d944df36ae12d187d0e3b3f35fdb54975669f5609873094e84
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    credential_accessdefense_evasiondiscoveryevasionexecutionblankgrabberstealertrojanspyware

    • A stealer written in Python and packaged with Pyinstaller

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Family: blankgrabber

      Blankgrabber is an infostealer written in Python and packaged with Pyinstaller.

      stealerblankgrabber

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • Modifies Windows Defender Real-time Protection settings

      defense_evasiontrojan

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Disables Task Manager via registry modification

      defense_evasion

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

      defense_evasion

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

      credential_accessstealer

    • Disables service(s)

      defense_evasionexecution

    • Loads dropped DLL

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Stops running service(s)

      defense_evasionexecution

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

      credential_accessstealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • 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 v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Modify Authentication Process

1
T1556

Privilege Escalation

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Defense Evasion

Impair Defenses

4
T1562

Disable or Modify Tools

3
T1562.001

Modify Authentication Process

1
T1556

Modify Registry

2
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Modify Authentication Process

1
T1556

Steal Web Session Cookie

1
T1539

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

1
T1012

System Information Discovery

1
T1082

System Time Discovery

1
T1124

Lateral Movement

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Service Stop

2
T1489

Tasks