Overview

overview

10

Static

static

7

ROBLOX.exe

windows7-x64

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General

  • Target

    ROBLOX.exe

  • Size

    923KB

  • Sample

    240630-nmra8azfrr

  • MD5

    e72df3fac7605be594aeadcbc6b38b9e

  • SHA1

    663edea21592f26f650aeacf606d20582ff63ecf

  • SHA256

    b1fa0e12eb262d1c42e4d5f5beaf5c3c7d35d0029eba4b1f7d07b6edcd6e9d6c

  • SHA512

    2a474383815e7c45b22a86bda2972ea69481eb388857f892866541cb237c239c8bdf046ae706db7d41ac3d7de891dce90e0c5a0eaed7f6d715ea3b44b19b9d6d

  • SSDEEP

    24576:m4ux1tPYtpUS2tWQIRqKbxRNqduqhmoKYmEPe:m4u1tPj9xA9lRNqYimxL

Score
10/10
bootkitdefense_evasionevasionexecutionimpactpersistenceprivilege_escalationransomwaretrojanupx

Malware Config

Targets

    • Target

      ROBLOX.exe

    • Size

      923KB

    • MD5

      e72df3fac7605be594aeadcbc6b38b9e

    • SHA1

      663edea21592f26f650aeacf606d20582ff63ecf

    • SHA256

      b1fa0e12eb262d1c42e4d5f5beaf5c3c7d35d0029eba4b1f7d07b6edcd6e9d6c

    • SHA512

      2a474383815e7c45b22a86bda2972ea69481eb388857f892866541cb237c239c8bdf046ae706db7d41ac3d7de891dce90e0c5a0eaed7f6d715ea3b44b19b9d6d

    • SSDEEP

      24576:m4ux1tPYtpUS2tWQIRqKbxRNqduqhmoKYmEPe:m4u1tPj9xA9lRNqYimxL

    Score
    10/10
    bootkitdefense_evasionevasionexecutionimpactpersistenceprivilege_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

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

1
T1569

Service Execution

1
T1569.002

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

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

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Direct Volume Access

1
T1006

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Service Stop

1
T1489

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks