Resubmissions

22-10-2024 02:07

241022-cka1nssfkj 10

Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    ubuntu-22.04_amd64
  • resource
    ubuntu2204-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2204-amd64-20240611-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system
  • submitted
    22-10-2024 02:07

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

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 15 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 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.

  • System Network Configuration Discovery 1 TTPs 4 IoCs

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

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

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
    • Writes file to tmp directory
    PID:1570
    • /usr/bin/uname
      uname -a
      2⤵
        PID:1581
      • /usr/bin/cat
        cat /proc/cpuinfo
        2⤵
        • Checks CPU configuration
        PID:1585
      • /usr/bin/cat
        cat /etc/issue
        2⤵
          PID:1586
        • /usr/bin/free
          free -m
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:1587
        • /usr/bin/uptime
          uptime
          2⤵
          • Virtualization/Sandbox Evasion: Time Based Evasion
          • Reads CPU attributes
          • Reads runtime system information
          PID:1588
        • /usr/bin/journalctl
          journalctl -S "@0" -u sshd
          2⤵
            PID:1589
          • /usr/bin/cat
            cat "/var/log/auth*"
            2⤵
              PID:1590
            • /usr/bin/zcat
              zcat "/var/log/auth*"
              2⤵
                PID:1591
              • /usr/local/sbin/gzip
                gzip -cd "/var/log/auth*"
                2⤵
                • System Network Configuration Discovery
                PID:1591
              • /usr/local/bin/gzip
                gzip -cd "/var/log/auth*"
                2⤵
                • System Network Configuration Discovery
                PID:1591
              • /usr/sbin/gzip
                gzip -cd "/var/log/auth*"
                2⤵
                • System Network Configuration Discovery
                PID:1591
              • /usr/bin/gzip
                gzip -cd "/var/log/auth*"
                2⤵
                • System Network Configuration Discovery
                PID:1591
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1592
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                PID:1593
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1594
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                • Reads runtime system information
                PID:1595
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                PID:1598
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                • Reads runtime system information
                PID:1599
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1600
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                PID:1601
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                PID:1602
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                PID:1603
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1610
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                PID:1611
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                PID:1612
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                PID:1613
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                PID:1614
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                PID:1615
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                PID:1616
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                • Reads runtime system information
                PID:1617
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                PID:1618
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                PID:1619
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                PID:1620
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                PID:1621
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:1625
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                PID:1626
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                PID:1627
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                • Reads runtime system information
                PID:1628
              • /usr/bin/free
                free -m
                2⤵
                • Reads CPU attributes
                PID:1629
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads CPU attributes
                PID:1630

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • /tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/nc

              Filesize

              8.7MB

              MD5

              8f0cb7af15afe40ed85f35e1b40b8f38

              SHA1

              525f97d6e7e3cbb611a1cf37e955c0656f4b3c06

              SHA256

              3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

              SHA512

              bd9e97b4042d89e081eced5781149b0d8e28a6e9d35c2a449a21aee26765ed8eea560434ba5e9a897c4e4c89d7a2b8997e31ad4ac2202a940b8731a5f447170d