Analysis

  • max time kernel
    5s
  • max time network
    131s
  • platform
    ubuntu-20.04_amd64
  • resource
    ubuntu2004-amd64-20240729-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2004-amd64-20240729-enkernel:5.4.0-169-genericlocale:en-usos:ubuntu-20.04-amd64system
  • submitted
    21/02/2025, 14:13

General

  • Target

    na.elf

  • Size

    418KB

  • MD5

    ecb6881adcaca33e4f61e873882288d3

  • SHA1

    b881b250250d042a9a232ea352327143cfdbeb68

  • SHA256

    c68f024c60aa9e1769ceae3a19adacd0eb80016a221d05de5b46de545722bc38

  • SHA512

    91a9fe021edde71591e8c4a3d2600edcf3092954e60183b62ab13138632aeaa3e36dc80b740aeff9b0741226655d144a4cd29acc1660a30195912984eaf032b1

  • SSDEEP

    12288:6QIkwT+V+46MTuxN+qpMBUH5kAAxwWVtBeSm:W4/y+qaBUZJAdVtS

Malware Config

Signatures

  • Prometei

    Prometei is a multiplatform botnet used to mine cryptocurrency.

  • Prometei_elf family
  • Deletes itself 1 IoCs
  • Modifies hosts file 1 IoCs

    Adds to hosts file used for mapping hosts to IP addresses.

  • Reads EFI boot settings 1 TTPs 3 IoCs

    Reads EFI boot settings from the efivars filesystem, may contain security secrets or sensitive data.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Modifies systemd 2 TTPs 1 IoCs

    Adds/ modifies systemd service files. Likely to achieve persistence.

  • Write file to user bin folder 1 IoCs
  • UPX packed file 1 IoCs

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

  • Reads CPU attributes 1 TTPs 3 IoCs
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/na.elf
    /tmp/na.elf
    1⤵
    • Deletes itself
    • Modifies hosts file
    • Modifies systemd
    • Write file to user bin folder
    • Reads runtime system information
    PID:1382
    • /bin/sh
      sh -c "pgrep na.elf"
      2⤵
        PID:1385
        • /usr/bin/pgrep
          pgrep na.elf
          3⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:1386
      • /bin/sh
        sh -c "pgrep uplugplay"
        2⤵
          PID:1389
          • /usr/bin/pgrep
            pgrep uplugplay
            3⤵
            • Reads CPU attributes
            • Reads runtime system information
            PID:1390
        • /bin/sh
          sh -c "pidof uplugplay"
          2⤵
            PID:1432
            • /usr/bin/pidof
              pidof uplugplay
              3⤵
              • Reads runtime system information
              PID:1433
          • /bin/sh
            sh -c "pgrep upnpsetup"
            2⤵
              PID:1436
              • /usr/bin/pgrep
                pgrep upnpsetup
                3⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1437
            • /bin/sh
              sh -c "pidof upnpsetup"
              2⤵
                PID:1440
                • /usr/bin/pidof
                  pidof upnpsetup
                  3⤵
                  • Reads runtime system information
                  PID:1441
              • /bin/sh
                sh -c "systemctl daemon-reload"
                2⤵
                  PID:1443
                  • /usr/bin/systemctl
                    systemctl daemon-reload
                    3⤵
                    • Reads EFI boot settings
                    PID:1444
                • /bin/sh
                  sh -c "systemctl enable uplugplay.service"
                  2⤵
                    PID:1482
                    • /usr/bin/systemctl
                      systemctl enable uplugplay.service
                      3⤵
                      • Reads EFI boot settings
                      PID:1483
                  • /bin/sh
                    sh -c "systemctl start uplugplay.service"
                    2⤵
                      PID:1512
                      • /usr/bin/systemctl
                        systemctl start uplugplay.service
                        3⤵
                        • Reads EFI boot settings
                        PID:1513

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /usr/lib/systemd/system/uplugplay.service

                          Filesize

                          145B

                          MD5

                          8ca62d1f47880bce036c2956c9b7b272

                          SHA1

                          3bcc3a5c4fcc5b0d08c4524a59f6b8e113b62060

                          SHA256

                          c655d3d4e374fad38313ec4262207b2d7d68a870238f203ef3c33f85e66c8e32

                          SHA512

                          4cd2d9d67151fa25e833707dee2442c4a5f752053fc2c36ec73c0e2b734c66ca69c63fceb47714d9add5b9fe2eee1e45be5199e2cae7c26173e766b333877da6

                        • /usr/sbin/uplugplay

                          Filesize

                          418KB

                          MD5

                          ecb6881adcaca33e4f61e873882288d3

                          SHA1

                          b881b250250d042a9a232ea352327143cfdbeb68

                          SHA256

                          c68f024c60aa9e1769ceae3a19adacd0eb80016a221d05de5b46de545722bc38

                          SHA512

                          91a9fe021edde71591e8c4a3d2600edcf3092954e60183b62ab13138632aeaa3e36dc80b740aeff9b0741226655d144a4cd29acc1660a30195912984eaf032b1