Overview

overview

8

Static

static

3

okitas_takeover.exe

windows11-21h2-x64

8

updater.exe

windows11-21h2-x64

7

x_agent.exe

windows11-21h2-x64

8

Sharing

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General

  • Target
    okitashub180.zip
  • Size 215.6MB
  • Sample260822-g5vb9swvbv
  • SHA256 f32b62a4c4fc42f1d91bd85538eeeb34045fed4c7ce19fa8dca3142239cff952
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
credential_accessdefense_evasiondiscoveryexecutionpersistencepyinstallerransomwarespywarestealer

Malware Config

Targets

    • Target
      okitas_takeover.exe
    • Size 109.8MB
    • SHA256 f7cd77db9324ce90788f3bc65ad65078d92f8c637a57516447b263e359b61042
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    credential_accessdefense_evasiondiscoveryexecutionpersistenceransomwarespywarestealer

    • Uses browser remote debugging

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

      credential_accessstealer

    • 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

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

      discovery

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1
    • Target
      updater.exe
    • Size 37.4MB
    • SHA256 b8e515b4a5d2bfea70a08aba55d88beb442038d133f63244cd6b34bf138cc0e7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10

    • Loads dropped DLL

    behavioral2
    • Target
      x_agent.exe
    • Size 69.9MB
    • SHA256 53704316f2b4289e07199e5332e6abaecd06af11b0c38fa1d371f4fea922f875
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    credential_accessdiscoveryexecutionstealer

    • Uses browser remote debugging

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

      credential_accessstealer

    • Loads dropped DLL

    behavioral3

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Modify Authentication Process

1
T1556

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

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

1
T1552

Credentials In Files

1
T1552.001

Discovery

Process Discovery

1
T1057

Query Registry

1
T1012

System Information Discovery

1
T1082

System Time Discovery

1
T1124

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Tasks