Analysis

  • max time kernel
    157s
  • max time network
    163s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20231026-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20231026-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    11-11-2023 13:40

General

  • Target

    The-MALWARE-Repo-master/Botnets/FritzFrog/90b61cc77bb2d726219fd00ae2d0ecdf6f0fe7078529e87b7ec8e603008232d5

  • Size

    8.7MB

  • MD5

    100bff2f4ee4d88b005bb016daa04fe6

  • SHA1

    36e5f8f70890601aa2adaffb203afd06516097f0

  • SHA256

    90b61cc77bb2d726219fd00ae2d0ecdf6f0fe7078529e87b7ec8e603008232d5

  • SHA512

    a1cb52bc6edaa7f8bb216d2a5f3deb0b8468c64b43931ef570c05e6a9872c63f00aff50d69686fdc2ea25d3d83da4bf9d78f5e6910643163570d0bd6279c6e16

  • SSDEEP

    98304:wRINZeR9Zy031d3eDi2dZQT3/S1GVlOre53ziKZ7Xk:wRINZeR9Zx1CFDQD/SQVlOrKr

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/90b61cc77bb2d726219fd00ae2d0ecdf6f0fe7078529e87b7ec8e603008232d5
    /tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/90b61cc77bb2d726219fd00ae2d0ecdf6f0fe7078529e87b7ec8e603008232d5
    1⤵
    • Adds new SSH keys
    • Deletes log files
    • Reads runtime system information
    PID:1546
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1565
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      • Reads runtime system information
      PID:1566
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1569
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1570
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      • Reads runtime system information
      PID:1575
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1576
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1579
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1580
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1593
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1594
  • /bin/uname
    uname -a
    1⤵
      PID:1557
    • /bin/cat
      cat /proc/cpuinfo
      1⤵
      • Checks CPU configuration
      PID:1560
    • /bin/cat
      cat /etc/issue
      1⤵
        PID:1561
      • /usr/bin/free
        free -m
        1⤵
        • Reads CPU attributes
        PID:1562
      • /usr/bin/uptime
        uptime
        1⤵
        • Reads CPU attributes
        PID:1563
      • /bin/journalctl
        journalctl -S "@0" -u sshd
        1⤵
          PID:1564
        • /bin/cat
          cat "/var/log/auth*"
          1⤵
            PID:1567
          • /bin/zcat
            zcat "/var/log/auth*"
            1⤵
              PID:1568
            • /bin/gzip
              gzip -cd "/var/log/auth*"
              1⤵
                PID:1568
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1573
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1574
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1577
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1578
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1581
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1582
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1583
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1584
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1585
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1586
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1587
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1588
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1589
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1590
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1591
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1592
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1595
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1596

              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