Resubmissions

11/04/2025, 21:31

250411-1cz7lazpx8 10

Analysis

  • max time kernel
    29s
  • max time network
    2s
  • platform
    ubuntu-24.04_amd64
  • resource
    ubuntu2404-amd64-20250410-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2404-amd64-20250410-enkernel:6.8.0-31-genericlocale:en-usos:ubuntu-24.04-amd64system
  • submitted
    11/04/2025, 21:31

General

  • Target

    The-MALWARE-Repo-master/Botnets/FritzFrog/7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6

  • Size

    8.7MB

  • MD5

    d4e533f9c11b5cc9e755d94c1315553a

  • SHA1

    9e15020cd2688b537bae18e5f291ee8cbe9a85e7

  • SHA256

    7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6

  • SHA512

    149226355b2e5c3fac403289b5e66bd4164a7aee76d8dc8f1d698c509db7a081bad9d4172cc950bb0e6e6909e0073d551dcde82cbeaaf61a9c1b02c9ba48fb38

  • SSDEEP

    98304:H27or8Dynb9c4EHv9/fW/NQXPvTCaedQuMBiHAUU4C7Xk:H27or8DyO4UnwQfvTCXdQuMoUj

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 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/7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
    /tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
    1⤵
    • Adds new SSH keys
    • Deletes itself
    • Deletes log files
    • Reads runtime system information
    • Writes file to tmp directory
    PID:2013
    • /usr/bin/uname
      uname -a
      2⤵
        PID:2028
      • /usr/bin/cat
        cat /proc/cpuinfo
        2⤵
        • Checks CPU configuration
        PID:2029
      • /usr/bin/cat
        cat /etc/issue
        2⤵
          PID:2031
        • /usr/bin/free
          free -m
          2⤵
          • Reads runtime system information
          PID:2032
        • /usr/bin/uptime
          uptime
          2⤵
          • Virtualization/Sandbox Evasion: Time Based Evasion
          • Reads runtime system information
          PID:2033
        • /usr/bin/journalctl
          journalctl -S "@0" -u sshd
          2⤵
          • Reads runtime system information
          PID:2034
        • /usr/bin/cat
          cat "/var/log/auth*"
          2⤵
            PID:2036
          • /usr/bin/zcat
            zcat "/var/log/auth*"
            2⤵
              PID:2037
            • /usr/local/sbin/gzip
              gzip -cd "/var/log/auth*"
              2⤵
              • System Network Configuration Discovery
              PID:2037
            • /usr/local/bin/gzip
              gzip -cd "/var/log/auth*"
              2⤵
              • System Network Configuration Discovery
              PID:2037
            • /usr/sbin/gzip
              gzip -cd "/var/log/auth*"
              2⤵
              • System Network Configuration Discovery
              PID:2037
            • /usr/bin/gzip
              gzip -cd "/var/log/auth*"
              2⤵
              • System Network Configuration Discovery
              PID:2037
            • /usr/bin/free
              free -m
              2⤵
                PID:2038
              • /usr/bin/uptime
                uptime
                2⤵
                • Virtualization/Sandbox Evasion: Time Based Evasion
                • Reads runtime system information
                PID:2039
              • /usr/bin/free
                free -m
                2⤵
                  PID:2040
                • /usr/bin/uptime
                  uptime
                  2⤵
                  • Virtualization/Sandbox Evasion: Time Based Evasion
                  • Reads runtime system information
                  PID:2041

              Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

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

                Filesize

                8.7MB

                MD5

                d4e533f9c11b5cc9e755d94c1315553a

                SHA1

                9e15020cd2688b537bae18e5f291ee8cbe9a85e7

                SHA256

                7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6

                SHA512

                149226355b2e5c3fac403289b5e66bd4164a7aee76d8dc8f1d698c509db7a081bad9d4172cc950bb0e6e6909e0073d551dcde82cbeaaf61a9c1b02c9ba48fb38