General

  • Target

    00e6f056c93844000da657f883763b37_JaffaCakes118

  • Size

    445KB

  • Sample

    240619-2gaceavdkd

  • MD5

    00e6f056c93844000da657f883763b37

  • SHA1

    138f1df9b9b5c19f7701fad125ec236e58730ac1

  • SHA256

    3f76f12fbefcf128ee20c97f156acb276e203c681c7172949824256f35824187

  • SHA512

    94643d5971d9e8261451aaaa0622f3befc106cd109fc7fc7429d86ddeef942e9ae33eca75b9a1388dbee03879711a7f809e71f9b37c10dff31547eb0d519199b

  • SSDEEP

    12288:U4C7lGik2XbR68ri58LYN3aBOVuFYy3qviH:OlHTbQ8GGLYNq9H

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      00e6f056c93844000da657f883763b37_JaffaCakes118

    • Size

      445KB

    • MD5

      00e6f056c93844000da657f883763b37

    • SHA1

      138f1df9b9b5c19f7701fad125ec236e58730ac1

    • SHA256

      3f76f12fbefcf128ee20c97f156acb276e203c681c7172949824256f35824187

    • SHA512

      94643d5971d9e8261451aaaa0622f3befc106cd109fc7fc7429d86ddeef942e9ae33eca75b9a1388dbee03879711a7f809e71f9b37c10dff31547eb0d519199b

    • SSDEEP

      12288:U4C7lGik2XbR68ri58LYN3aBOVuFYy3qviH:OlHTbQ8GGLYNq9H

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Boot or Logon Autostart Execution: Active Setup

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

    • Looks for VMWare Tools registry key

    • Modifies Windows Firewall

    • Deletes itself

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Windows security modification

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Active Setup

1
T1547.014

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Active Setup

1
T1547.014

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Modify Registry

7
T1112

Impair Defenses

4
T1562

Disable or Modify Tools

2
T1562.001

Disable or Modify System Firewall

2
T1562.004

Virtualization/Sandbox Evasion

2
T1497

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

1
T1082

Tasks