General

  • Target

    https://www.baixaki.com.br/jogos/rpg/free-fire-pc/windows

  • Sample

    240625-rxhcvaycrl

Malware Config

Targets

    • Target

      https://www.baixaki.com.br/jogos/rpg/free-fire-pc/windows

    • Creates new service(s)

    • Downloads MZ/PE file

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Possible privilege escalation attempt

    • 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

    • Modifies file permissions

    • Checks for any installed AV software in registry

    • Checks installed software on the system

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

MITRE ATT&CK Matrix ATT&CK v13

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Discovery

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

Query Registry

3
T1012

System Information Discovery

3
T1082

Tasks