General

  • Target

    https://github.com/BlitzedOfficial/BlitzedGrabberV12/releases/download/BlitzedGrabberV12/BlitzedGrabberV12.rar

  • Sample

    240505-rzhfmafh89

Malware Config

Extracted

Family

orcus

C2

209.25.141.181:40489

Mutex

248d60d8a7114264bce951ca45664b1d

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    true

  • install_path

    %programdata%\Chrome\chromedriver.exe

  • reconnect_delay

    10000

  • registry_keyname

    Orcus

  • taskscheduler_taskname

    winlogon.exe

  • watchdog_path

    AppData\svchost.exe

Targets

    • Target

      https://github.com/BlitzedOfficial/BlitzedGrabberV12/releases/download/BlitzedGrabberV12/BlitzedGrabberV12.rar

    • Orcus

      Orcus is a Remote Access Trojan that is being sold on underground forums.

    • Orcus main payload

    • Orcurs Rat Executable

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Registers COM server for autorun

    • 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.

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

2
T1082

Tasks