Analysis

  • max time kernel
    152s
  • max time network
    149s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240226-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240226-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    03-03-2024 03:21

General

  • Target

    The-MALWARE-Repo-master/Botnets/FritzFrog/9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948

  • Size

    8.6MB

  • MD5

    4842d5cc29c97aa611fba5ca07b060a5

  • SHA1

    f93772038406f28fa4ca1cfb23349193562414b2

  • SHA256

    9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948

  • SHA512

    cf1cb3f0291f3e0c3b47ff3ee9074b624e2d9781f9637d14ede0628ebb4b8b0fe13e16583f6a933a3e20872ec084dc812237f021757efe2a6d527a0a1723b5c8

  • SSDEEP

    98304:JcZJWD3qZL7I9lysBfU9OWQcIImfWoezuA+dTlwO0Fz7Xk:JcZJWTqZLGlHsHQl3fNezuAI5g

Score
8/10

Malware Config

Signatures

  • Adds new SSH keys 2 IoCs

    Linux special file to hold SSH keys. The threat actor may add new keys for further remote access.

  • Deletes itself 1 IoCs
  • Checks CPU configuration 1 TTPs 1 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Deletes log files 1 TTPs 2 IoCs

    Deletes log files on the system.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads CPU attributes 1 TTPs 30 IoCs
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
    /tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
    1⤵
    • Adds new SSH keys
    • Deletes log files
    • Reads runtime system information
    PID:1583
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      • Reads runtime system information
      PID:1608
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1609
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1614
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      • Reads runtime system information
      PID:1615
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1618
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1619
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1620
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1621
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1624
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1625
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1628
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1629
  • /bin/uname
    uname -a
    1⤵
      PID:1594
    • /bin/cat
      cat /proc/cpuinfo
      1⤵
      • Checks CPU configuration
      PID:1599
    • /bin/cat
      cat /etc/issue
      1⤵
        PID:1600
      • /usr/bin/free
        free -m
        1⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:1601
      • /usr/bin/uptime
        uptime
        1⤵
        • Reads CPU attributes
        PID:1602
      • /bin/journalctl
        journalctl -S "@0" -u sshd
        1⤵
          PID:1603
        • /bin/cat
          cat "/var/log/auth*"
          1⤵
            PID:1604
          • /bin/zcat
            zcat "/var/log/auth*"
            1⤵
              PID:1605
            • /bin/gzip
              gzip -cd "/var/log/auth*"
              1⤵
                PID:1605
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1606
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1607
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1612
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1613
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1616
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1617
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1622
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1623
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1626
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1627
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1630
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1631
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1632
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1633
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1634
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1635

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • /root/.ssh/authorized_keys

                Filesize

                381B

                MD5

                9da18d38b6dd4c4aa84642378d63fa89

                SHA1

                c5a976691e4b5963b5e760044f22cc9685268db6

                SHA256

                43062900b2539d8d1f67f30fa7042c56b53541f63875b5f0de5d8fbde0e0a8bf

                SHA512

                222b20b5b2ff8956c13dbac1f8d3f81435613b751913d65f4c4082ea9c1a7c8ae91be17a24ef4ae0c708bfe09daab552bb209615714d70acfaaed89c536c71b3