General

  • Target

    f78929b9f4a7f0e969d88802acaa8630_JaffaCakes118

  • Size

    4.4MB

  • Sample

    240418-jarzrsga9z

  • MD5

    f78929b9f4a7f0e969d88802acaa8630

  • SHA1

    37c9379d3afa464e8b04e9b596b21b64082dfdd2

  • SHA256

    f036846feae953a8293a0836ece18b47dbd4ca239fe434d85a712e79f23dd456

  • SHA512

    cd026ba175a59e26cee33bcbe265c4719a2f13f10ff5c5c0834f5be7eb173012e5ff4ef02f31aad2c0805604adc5cd31b52b40310dcd2e9adc0a01b9933e327e

  • SSDEEP

    98304:ZYKB6Zi8GLlQYFhQDCJ+qICqCJOtwnAZsP1tGwGF9+:ZVWi8GLHSI+VCqCJwAAZq1L

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Targets

    • Target

      f78929b9f4a7f0e969d88802acaa8630_JaffaCakes118

    • Size

      4.4MB

    • MD5

      f78929b9f4a7f0e969d88802acaa8630

    • SHA1

      37c9379d3afa464e8b04e9b596b21b64082dfdd2

    • SHA256

      f036846feae953a8293a0836ece18b47dbd4ca239fe434d85a712e79f23dd456

    • SHA512

      cd026ba175a59e26cee33bcbe265c4719a2f13f10ff5c5c0834f5be7eb173012e5ff4ef02f31aad2c0805604adc5cd31b52b40310dcd2e9adc0a01b9933e327e

    • SSDEEP

      98304:ZYKB6Zi8GLlQYFhQDCJ+qICqCJOtwnAZsP1tGwGF9+:ZVWi8GLHSI+VCqCJwAAZq1L

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • MetaSploit

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

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • 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.

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

Scheduled Task/Job

1
T1053

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

Scheduled Task/Job

1
T1053

Privilege Escalation

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

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

4
T1562

Disable or Modify Tools

2
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks