Analysis

  • max time kernel
    151s
  • max time network
    148s
  • 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/3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

  • Size

    8.7MB

  • MD5

    8f0cb7af15afe40ed85f35e1b40b8f38

  • SHA1

    525f97d6e7e3cbb611a1cf37e955c0656f4b3c06

  • SHA256

    3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

  • SHA512

    bd9e97b4042d89e081eced5781149b0d8e28a6e9d35c2a449a21aee26765ed8eea560434ba5e9a897c4e4c89d7a2b8997e31ad4ac2202a940b8731a5f447170d

  • SSDEEP

    98304:xFjhn+LznCFajBKs/Q1N4KGWISZOLor5lkFIGGw+Aw:Hjhn+HCS4s41N4KGWISZd5lrGG

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
  • Enumerates kernel/hardware configuration 1 TTPs 1 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
    /tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
    1⤵
    • Adds new SSH keys
    • Deletes itself
    • Deletes log files
    • Enumerates kernel/hardware configuration
    • Reads runtime system information
    PID:1525
    • /bin/uname
      uname -a
      2⤵
        PID:1539
      • /bin/cat
        cat /proc/cpuinfo
        2⤵
        • Checks CPU configuration
        PID:1540
      • /bin/cat
        cat /etc/issue
        2⤵
          PID:1541
        • /usr/bin/free
          free -m
          2⤵
          • Reads CPU attributes
          PID:1542
        • /usr/bin/uptime
          uptime
          2⤵
          • Reads CPU attributes
          PID:1543
        • /usr/bin/free
          free -m
          2⤵
          • Reads CPU attributes
          PID:1547
        • /usr/bin/uptime
          uptime
          2⤵
          • Reads CPU attributes
          PID:1548
        • /usr/bin/free
          free -m
          2⤵
          • Reads CPU attributes
          PID:1549
        • /usr/bin/uptime
          uptime
          2⤵
          • Reads CPU attributes
          PID:1550
        • /usr/bin/free
          free -m
          2⤵
          • Reads CPU attributes
          PID:1563
        • /usr/bin/uptime
          uptime
          2⤵
          • Reads CPU attributes
          PID:1564
      • /bin/journalctl
        journalctl -S "@0" -u sshd
        1⤵
          PID:1544
        • /bin/cat
          cat "/var/log/auth*"
          1⤵
            PID:1545
          • /bin/zcat
            zcat "/var/log/auth*"
            1⤵
              PID:1546
            • /bin/gzip
              gzip -cd "/var/log/auth*"
              1⤵
                PID:1546
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1553
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1554
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1555
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1556
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1557
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1558
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1559
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1560
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1561
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1562
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1565
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1566
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1567
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1568
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1569
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1570
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1571
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1572
              • /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
                PID:1575
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1576

              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