Analysis

  • max time kernel
    213s
  • max time network
    236s
  • 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/d1e82d4a37959a9e6b661e31b8c8c6d2813c93ac92508a2771b2491b04ea2485

  • Size

    8.7MB

  • MD5

    aa55272ad8db954381a8eab889f087cf

  • SHA1

    d7df26bf57530c0475247b0f3335e5d19d9cb30d

  • SHA256

    d1e82d4a37959a9e6b661e31b8c8c6d2813c93ac92508a2771b2491b04ea2485

  • SHA512

    5590c039eb50708fe8fe417a5b5adf1d9019db0590dee119d0907bb588114bcbeb980c5ec7f3f77e85aefcbba76c1560e8b81069434ef5774ca60b1e28dbac20

  • SSDEEP

    98304:WjLz0rgRnuINVhcBSTDQaQqfViO7tauT8Xu4RM7Xk:WjLz0rgRXVzP5QkViitauT8Y

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/d1e82d4a37959a9e6b661e31b8c8c6d2813c93ac92508a2771b2491b04ea2485
    /tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/d1e82d4a37959a9e6b661e31b8c8c6d2813c93ac92508a2771b2491b04ea2485
    1⤵
    • Adds new SSH keys
    • Deletes log files
    • Reads runtime system information
    PID:1538
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1561
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1562
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      • Reads runtime system information
      PID:1565
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1566
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1583
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1584
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1589
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1590
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1595
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1596
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1599
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      • Reads runtime system information
      PID:1600
    • /usr/bin/free
      free -m
      2⤵
      • Reads CPU attributes
      PID:1603
    • /usr/bin/uptime
      uptime
      2⤵
      • Reads CPU attributes
      PID:1604
  • /bin/uname
    uname -a
    1⤵
      PID:1549
    • /bin/cat
      cat /proc/cpuinfo
      1⤵
      • Checks CPU configuration
      PID:1553
    • /bin/cat
      cat /etc/issue
      1⤵
        PID:1554
      • /usr/bin/free
        free -m
        1⤵
        • Reads CPU attributes
        PID:1555
      • /usr/bin/uptime
        uptime
        1⤵
        • Reads CPU attributes
        PID:1556
      • /bin/journalctl
        journalctl -S "@0" -u sshd
        1⤵
          PID:1557
        • /bin/cat
          cat "/var/log/auth*"
          1⤵
            PID:1559
          • /bin/zcat
            zcat "/var/log/auth*"
            1⤵
              PID:1560
            • /bin/gzip
              gzip -cd "/var/log/auth*"
              1⤵
                PID:1560
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1563
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                PID:1564
              • /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: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
                PID:1592
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1593
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1597
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1598
              • /usr/bin/free
                free -m
                1⤵
                • Reads CPU attributes
                PID:1601
              • /usr/bin/uptime
                uptime
                1⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1602

              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