General

  • Target

    RobloxStudioInstaller.exe

  • Size

    5.4MB

  • Sample

    240629-twqc6s1djg

  • MD5

    087672ef1f8a03c6fcea3dc8ffdd2a24

  • SHA1

    2b01ce0e333d858c24b785584d52ade38cf679a3

  • SHA256

    595b1052c954a7e68abcfc53df39db3ec77ac8ec66d187cb39150cd70e3cf601

  • SHA512

    54ec51d1e50b0e39a14099da13f1adda591719b58bc6f17a727c6a47461505c4d122fa2100b59029b17a755362f9c435966ad75f5a1df62c6703ab8dd5a2de90

  • SSDEEP

    98304:vsvmWk87Et4xWcuq49w0Fp0eeTvvG3gxYXu4r/RPD7Z+l/ih/luI:8mWOtxc1UCTcgx4RvZ+p6V

Malware Config

Targets

    • Target

      RobloxStudioInstaller.exe

    • Size

      5.4MB

    • MD5

      087672ef1f8a03c6fcea3dc8ffdd2a24

    • SHA1

      2b01ce0e333d858c24b785584d52ade38cf679a3

    • SHA256

      595b1052c954a7e68abcfc53df39db3ec77ac8ec66d187cb39150cd70e3cf601

    • SHA512

      54ec51d1e50b0e39a14099da13f1adda591719b58bc6f17a727c6a47461505c4d122fa2100b59029b17a755362f9c435966ad75f5a1df62c6703ab8dd5a2de90

    • SSDEEP

      98304:vsvmWk87Et4xWcuq49w0Fp0eeTvvG3gxYXu4r/RPD7Z+l/ih/luI:8mWOtxc1UCTcgx4RvZ+p6V

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Component Object Model Hijacking

1
T1546.015

Browser Extensions

1
T1176

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Modify Registry

5
T1112

Discovery

Query Registry

7
T1012

System Information Discovery

7
T1082

Peripheral Device Discovery

1
T1120

Tasks