Resubmissions

11/04/2025, 21:31

250411-1cz7lazpx8 10

Analysis

  • max time kernel
    29s
  • max time network
    2s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20250410-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20250410-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    11/04/2025, 21:31

General

  • Target

    The-MALWARE-Repo-master/Botnets/FritzFrog/453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619

  • Size

    8.7MB

  • MD5

    682ac123d740321e6ba04d82e8cc4ed8

  • SHA1

    088a8c8c2b7f9db92ec0ae39e1dc77c8707d3895

  • SHA256

    453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619

  • SHA512

    26ddc0a1b91337de2314465f82f3a02ec478f32708fa91b7cdf75fc235eda7b3cf7c495616145dc29fc081ac4398cab5aac0d42978ea694fa183518533fcf4ad

  • SSDEEP

    98304:i7ihKiuH4QpmHh/vN0SyDbQy5lZGJJRgOX5f4y+n47Xk:i7ihKiuH4QIha1PQaZGTRgOXxR

Malware Config

Signatures

  • Adds new SSH keys 1 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Deletes log files 1 TTPs 1 IoCs

    Deletes log files on the system.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Virtualization/Sandbox Evasion: Time Based Evasion 1 TTPs 3 IoCs

    Adversaries may detect and evade virtualized environments and sandboxes.

  • Checks CPU configuration 1 TTPs 1 IoCs

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

  • Reads CPU attributes 1 TTPs 6 IoCs
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 1 IoCs

    Adversaries may gather information about the network configuration of a system.

Processes

  • /tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
    /tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
    1⤵
    • Adds new SSH keys
    • Deletes itself
    • Deletes log files
    • Reads runtime system information
    PID:1565
    • /bin/uname
      uname -a
      2⤵
        PID:1574
      • /bin/cat
        cat /proc/cpuinfo
        2⤵
        • Checks CPU configuration
        PID:1575
      • /bin/cat
        cat /etc/issue
        2⤵
          PID:1576
        • /usr/bin/free
          free -m
          2⤵
          • Reads CPU attributes
          PID:1577
        • /usr/bin/uptime
          uptime
          2⤵
          • Virtualization/Sandbox Evasion: Time Based Evasion
          • Reads CPU attributes
          • Reads runtime system information
          PID:1578
        • /bin/journalctl
          journalctl -S "@0" -u sshd
          2⤵
          • Reads runtime system information
          PID:1582
        • /bin/cat
          cat "/var/log/auth*"
          2⤵
            PID:1583
          • /bin/zcat
            zcat "/var/log/auth*"
            2⤵
              PID:1584
            • /bin/gzip
              gzip -cd "/var/log/auth*"
              2⤵
              • System Network Configuration Discovery
              PID:1584
            • /usr/bin/free
              free -m
              2⤵
              • Reads CPU attributes
              • Reads runtime system information
              PID:1585
            • /usr/bin/uptime
              uptime
              2⤵
              • Virtualization/Sandbox Evasion: Time Based Evasion
              • Reads CPU attributes
              PID:1586
            • /usr/bin/free
              free -m
              2⤵
              • Reads CPU attributes
              PID:1587
            • /usr/bin/uptime
              uptime
              2⤵
              • Virtualization/Sandbox Evasion: Time Based Evasion
              • Reads CPU attributes
              • Reads runtime system information
              PID:1588

          Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • /root/.ssh/authorized_keys

            Filesize

            381B

            MD5

            9da18d38b6dd4c4aa84642378d63fa89

            SHA1

            c5a976691e4b5963b5e760044f22cc9685268db6

            SHA256

            43062900b2539d8d1f67f30fa7042c56b53541f63875b5f0de5d8fbde0e0a8bf

            SHA512

            222b20b5b2ff8956c13dbac1f8d3f81435613b751913d65f4c4082ea9c1a7c8ae91be17a24ef4ae0c708bfe09daab552bb209615714d70acfaaed89c536c71b3