Analysis

  • max time kernel
    151s
  • max time network
    150s
  • 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/6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c

  • Size

    8.7MB

  • MD5

    3fe7b88a9ba6c5acee4faae760642b78

  • SHA1

    bae245bc98c516604838c6ce5a233f066de44a50

  • SHA256

    6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c

  • SHA512

    02abc8d4fe280306a9ac6a25d28cf174a8d51a43d98b6837bc129701d8c0ab486eebaeef11062b58c455627d4de7c8782b3828aa02891fe439ca1ca617038f95

  • SSDEEP

    98304:g4K0/V2eKEDj+VK61qXXiQqwMwUa/f0OstejSUVv7Xk:g4K0/V2eKM+D4SQbMwX/f0Oskz

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/6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
    /tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
    1⤵
    • Adds new SSH keys
    • Deletes log files
    • Reads runtime system information
    PID:1529
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1552
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      • Reads runtime system information
      PID:1553
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1558
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1559
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1562
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1563
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1566
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      • Reads runtime system information
      PID:1567
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1570
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1571
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1574
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1575
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1578
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      • Reads runtime system information
      PID:1579
  • /bin/uname
    uname -a
    1⤵
      PID:1542
    • /bin/cat
      cat /proc/cpuinfo
      1⤵
      • Checks CPU configuration
      PID:1543
    • /bin/cat
      cat /etc/issue
      1⤵
        PID:1544
      • /usr/bin/free
        free -m
        1⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:1545
      • /usr/bin/uptime
        uptime
        1⤵
        • Reads CPU attributes
        PID:1546
      • /bin/journalctl
        journalctl -S "@0" -u sshd
        1⤵
          PID:1547
        • /bin/cat
          cat "/var/log/auth*"
          1⤵
            PID:1548
          • /bin/zcat
            zcat "/var/log/auth*"
            1⤵
              PID:1549
            • /bin/gzip
              gzip -cd "/var/log/auth*"
              1⤵
                PID:1549
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1550
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1551
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1556
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1557
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1560
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1561
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1564
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1565
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1568
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1569
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1572
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1573
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1576
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1577

              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