Overview

overview

10

Static

static

7

ROBLOX.exe

windows7-x64

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General

  • Target

    ROBLOX.exe

  • Size

    923KB

  • Sample

    240706-mwj3tswgpp

  • MD5

    597c7486fccf32f369fb13dd3a175a9b

  • SHA1

    e585967d5a1013f3c123c8bdc34db294fef4c045

  • SHA256

    d12bf62c7d7e1379cf6460cf18856bfc6821038c8a9c8fd6fd787bbf794fd456

  • SHA512

    9546a3b976af08963eb68ae3f9fc5de9cf2ed009a64b3c912e10ad063137657fd1bb26f700af8a283834d84b9e1bed65afc3f1fb32c4c118fcc41f57980ce29a

  • SSDEEP

    24576:GMbB3HG2hiAPP9xQTEdu7/ImmD7SOUgX/l4LY9cUs:GI3VzPP9xQI87qD73UgPSs7s

Score
10/10
bootkitdefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwaretrojanupx

Malware Config

Targets

    • Target

      ROBLOX.exe

    • Size

      923KB

    • MD5

      597c7486fccf32f369fb13dd3a175a9b

    • SHA1

      e585967d5a1013f3c123c8bdc34db294fef4c045

    • SHA256

      d12bf62c7d7e1379cf6460cf18856bfc6821038c8a9c8fd6fd787bbf794fd456

    • SHA512

      9546a3b976af08963eb68ae3f9fc5de9cf2ed009a64b3c912e10ad063137657fd1bb26f700af8a283834d84b9e1bed65afc3f1fb32c4c118fcc41f57980ce29a

    • SSDEEP

      24576:GMbB3HG2hiAPP9xQTEdu7/ImmD7SOUgX/l4LY9cUs:GI3VzPP9xQI87qD73UgPSs7s

    Score
    10/10
    bootkitdefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwaretrojanupx

    • UAC bypass

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Drops file in Drivers directory

    • Stops running service(s)

      evasionexecution

    • Executes dropped EXE

    • Modifies file permissions

      discovery

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

1
T1569

Service Execution

1
T1569.002

Windows Management Instrumentation

1
T1047

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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Direct Volume Access

1
T1006

File and Directory Permissions Modification

1
T1222

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

4
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

2
T1490

Service Stop

1
T1489

Tasks