General

  • Target

    8c99a37aff4f21ee72f2e963b46ef6bc62fd8b286b2ff8046db1013e41ce6e43

  • Size

    4.1MB

  • Sample

    231001-1vwl5adh81

  • MD5

    cd6675ec3c953491b11e055b5314c586

  • SHA1

    c3ae1d8b92ae4ece6c8e97eabf3c11a602eb5ce1

  • SHA256

    8c99a37aff4f21ee72f2e963b46ef6bc62fd8b286b2ff8046db1013e41ce6e43

  • SHA512

    24b8b814be87b0fbe7ffab025ca9910d36a55421bf1000eefa22b14bdde4024da9e8b2cfbb2abb7436ab8419be2b39ceca00666ad9cc3b9b67e186e5257e6f74

  • SSDEEP

    98304:+chP/2m9XEyMRQfKucye5fRHQKRavuTrp28jr9/8fSq:+ch3f9X3i+eRRiuTPdu

Malware Config

Targets

    • Target

      8c99a37aff4f21ee72f2e963b46ef6bc62fd8b286b2ff8046db1013e41ce6e43

    • Size

      4.1MB

    • MD5

      cd6675ec3c953491b11e055b5314c586

    • SHA1

      c3ae1d8b92ae4ece6c8e97eabf3c11a602eb5ce1

    • SHA256

      8c99a37aff4f21ee72f2e963b46ef6bc62fd8b286b2ff8046db1013e41ce6e43

    • SHA512

      24b8b814be87b0fbe7ffab025ca9910d36a55421bf1000eefa22b14bdde4024da9e8b2cfbb2abb7436ab8419be2b39ceca00666ad9cc3b9b67e186e5257e6f74

    • SSDEEP

      98304:+chP/2m9XEyMRQfKucye5fRHQKRavuTrp28jr9/8fSq:+ch3f9X3i+eRRiuTPdu

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

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

    • 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 WinMonFS driver.

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks