General

  • Target

    d656b14ae2fb126ac3243f52fb952031_JaffaCakes118

  • Size

    160KB

  • Sample

    240909-pyrxka1bkg

  • MD5

    d656b14ae2fb126ac3243f52fb952031

  • SHA1

    34e3e5f85c24446572e6fe8bdc2970f141e5eab9

  • SHA256

    f752633c005718a25ea124c646ae65e7860aae6638fdcffb7419f9ee0374386d

  • SHA512

    7f123ec432d3eb405fc7303354d93ef1db2dab467133319e587b6aedd9c35907d228875d8ce6aa5444b30056b4c9eeefd509b1d2c76846c08f7c13df602dc4ee

  • SSDEEP

    3072:t7zTb5xu5XFP/d9nKiK+a+lGAhxFp5Hg3M2FScqvo1VfY:t77o9nKiKGhp5HkFScT1tY

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      d656b14ae2fb126ac3243f52fb952031_JaffaCakes118

    • Size

      160KB

    • MD5

      d656b14ae2fb126ac3243f52fb952031

    • SHA1

      34e3e5f85c24446572e6fe8bdc2970f141e5eab9

    • SHA256

      f752633c005718a25ea124c646ae65e7860aae6638fdcffb7419f9ee0374386d

    • SHA512

      7f123ec432d3eb405fc7303354d93ef1db2dab467133319e587b6aedd9c35907d228875d8ce6aa5444b30056b4c9eeefd509b1d2c76846c08f7c13df602dc4ee

    • SSDEEP

      3072:t7zTb5xu5XFP/d9nKiK+a+lGAhxFp5Hg3M2FScqvo1VfY:t77o9nKiKGhp5HkFScT1tY

    • MetaSploit

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

    • Modifies firewall policy service

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks