General

  • Target

    fb79f4641e1397547d2b2041cc9fb70e21bf5a50307c4f9bbbcb617bfaf59779

  • Size

    264KB

  • Sample

    220919-yf88kaeff9

  • MD5

    ee413845fea480f5df638da7993a39fe

  • SHA1

    e4cec15d1f08a98e30e5702db9facf023d6710c8

  • SHA256

    fb79f4641e1397547d2b2041cc9fb70e21bf5a50307c4f9bbbcb617bfaf59779

  • SHA512

    3dfc6a444669ce33b532c8fe651a732c8f7f8880abcd82ebac594577850b09addc9aa75940f769cb2d50e3d00967b152fd6dad488ef2348794cc3b33b0900e53

  • SSDEEP

    3072:Q4BRhwqFvaVuwt2UtrkgF4DBisPy0RGxLCw5CicFiIdQsIiy42ig:Q4HiqFvaVqgzWPy0RGxWwwIc2ig

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      fb79f4641e1397547d2b2041cc9fb70e21bf5a50307c4f9bbbcb617bfaf59779

    • Size

      264KB

    • MD5

      ee413845fea480f5df638da7993a39fe

    • SHA1

      e4cec15d1f08a98e30e5702db9facf023d6710c8

    • SHA256

      fb79f4641e1397547d2b2041cc9fb70e21bf5a50307c4f9bbbcb617bfaf59779

    • SHA512

      3dfc6a444669ce33b532c8fe651a732c8f7f8880abcd82ebac594577850b09addc9aa75940f769cb2d50e3d00967b152fd6dad488ef2348794cc3b33b0900e53

    • SSDEEP

      3072:Q4BRhwqFvaVuwt2UtrkgF4DBisPy0RGxLCw5CicFiIdQsIiy42ig:Q4HiqFvaVqgzWPy0RGxWwwIc2ig

    • MetaSploit

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

    • Modifies firewall policy service

    • Executes dropped EXE

    • UPX packed file

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

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • 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 v6

Tasks