Analysis

  • max time kernel
    153s
  • max time network
    146s
  • platform
    ubuntu-20.04_amd64
  • resource
    ubuntu2004-amd64-20240221-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2004-amd64-20240221-enkernel:5.4.0-169-genericlocale:en-usos:ubuntu-20.04-amd64system
  • submitted
    03-03-2024 03:21

General

  • Target

    The-MALWARE-Repo-master/Botnets/FritzFrog/90b61cc77bb2d726219fd00ae2d0ecdf6f0fe7078529e87b7ec8e603008232d5

  • Size

    8.7MB

  • MD5

    100bff2f4ee4d88b005bb016daa04fe6

  • SHA1

    36e5f8f70890601aa2adaffb203afd06516097f0

  • SHA256

    90b61cc77bb2d726219fd00ae2d0ecdf6f0fe7078529e87b7ec8e603008232d5

  • SHA512

    a1cb52bc6edaa7f8bb216d2a5f3deb0b8468c64b43931ef570c05e6a9872c63f00aff50d69686fdc2ea25d3d83da4bf9d78f5e6910643163570d0bd6279c6e16

  • SSDEEP

    98304:wRINZeR9Zy031d3eDi2dZQT3/S1GVlOre53ziKZ7Xk:wRINZeR9Zx1CFDQD/SQVlOrKr

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
  • Reads EFI boot settings 1 IoCs

    Reads EFI boot settings from the efivars filesystem, may contain security secrets or sensitive data.

  • 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/90b61cc77bb2d726219fd00ae2d0ecdf6f0fe7078529e87b7ec8e603008232d5
    /tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/90b61cc77bb2d726219fd00ae2d0ecdf6f0fe7078529e87b7ec8e603008232d5
    1⤵
    • Adds new SSH keys
    • Deletes itself
    • Deletes log files
    • Reads runtime system information
    PID:1916
    • /usr/bin/uname
      uname -a
      2⤵
        PID:1929
      • /usr/bin/cat
        cat /proc/cpuinfo
        2⤵
        • Checks CPU configuration
        PID:1933
      • /usr/bin/cat
        cat /etc/issue
        2⤵
          PID:1934
        • /usr/bin/free
          free -m
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:1935
        • /usr/bin/uptime
          uptime
          2⤵
          • Reads CPU attributes
          PID:1936
        • /usr/bin/journalctl
          journalctl -S "@0" -u sshd
          2⤵
          • Reads EFI boot settings
          • Enumerates kernel/hardware configuration
          • Reads runtime system information
          PID:1937
        • /usr/bin/cat
          cat "/var/log/auth*"
          2⤵
            PID:1938
          • /usr/bin/zcat
            zcat "/var/log/auth*"
            2⤵
              PID:1939
            • /usr/local/sbin/gzip
              gzip -cd "/var/log/auth*"
              2⤵
                PID:1939
              • /usr/local/bin/gzip
                gzip -cd "/var/log/auth*"
                2⤵
                  PID:1939
                • /usr/sbin/gzip
                  gzip -cd "/var/log/auth*"
                  2⤵
                    PID:1939
                  • /usr/bin/gzip
                    gzip -cd "/var/log/auth*"
                    2⤵
                      PID:1939
                    • /usr/bin/free
                      free -m
                      2⤵
                      • Reads CPU attributes
                      • Reads runtime system information
                      PID:2005
                    • /usr/bin/uptime
                      uptime
                      2⤵
                      • Reads CPU attributes
                      PID:2006
                    • /usr/bin/free
                      free -m
                      2⤵
                      • Reads CPU attributes
                      • Reads runtime system information
                      PID:2086
                    • /usr/bin/uptime
                      uptime
                      2⤵
                      • Reads CPU attributes
                      PID:2087
                    • /usr/bin/free
                      free -m
                      2⤵
                      • Reads CPU attributes
                      PID:2107
                    • /usr/bin/uptime
                      uptime
                      2⤵
                      • Reads CPU attributes
                      • Reads runtime system information
                      PID:2108
                    • /usr/bin/free
                      free -m
                      2⤵
                      • Reads CPU attributes
                      PID:2117
                    • /usr/bin/uptime
                      uptime
                      2⤵
                      • Reads CPU attributes
                      PID:2118
                    • /usr/bin/free
                      free -m
                      2⤵
                      • Reads CPU attributes
                      PID:2119
                    • /usr/bin/uptime
                      uptime
                      2⤵
                      • Reads CPU attributes
                      PID:2120
                    • /usr/bin/free
                      free -m
                      2⤵
                      • Reads CPU attributes
                      PID:2123
                    • /usr/bin/uptime
                      uptime
                      2⤵
                      • Reads CPU attributes
                      PID:2124
                    • /usr/bin/free
                      free -m
                      2⤵
                      • Reads CPU attributes
                      PID:2127
                    • /usr/bin/uptime
                      uptime
                      2⤵
                      • Reads CPU attributes
                      • Reads runtime system information
                      PID:2128
                    • /usr/bin/free
                      free -m
                      2⤵
                      • Reads CPU attributes
                      PID:2134
                    • /usr/bin/uptime
                      uptime
                      2⤵
                      • Reads CPU attributes
                      PID:2135
                  • /usr/bin/free
                    free -m
                    1⤵
                    • Reads CPU attributes
                    PID:2105
                  • /usr/bin/uptime
                    uptime
                    1⤵
                    • Reads CPU attributes
                    PID:2106
                  • /usr/bin/free
                    free -m
                    1⤵
                    • Reads CPU attributes
                    PID:2109
                  • /usr/bin/uptime
                    uptime
                    1⤵
                    • Reads CPU attributes
                    PID:2110
                  • /usr/bin/free
                    free -m
                    1⤵
                    • Reads CPU attributes
                    PID:2121
                  • /usr/bin/uptime
                    uptime
                    1⤵
                    • Reads CPU attributes
                    PID:2122
                  • /usr/bin/free
                    free -m
                    1⤵
                    • Reads CPU attributes
                    • Reads runtime system information
                    PID:2125
                  • /usr/bin/uptime
                    uptime
                    1⤵
                    • Reads CPU attributes
                    PID:2126
                  • /usr/bin/free
                    free -m
                    1⤵
                    • Reads CPU attributes
                    PID:2130
                  • /usr/bin/uptime
                    uptime
                    1⤵
                    • Reads CPU attributes
                    PID:2131
                  • /usr/bin/free
                    free -m
                    1⤵
                    • Reads CPU attributes
                    PID:2132
                  • /usr/bin/uptime
                    uptime
                    1⤵
                    • Reads CPU attributes
                    PID:2133

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • /root/.ssh/authorized_keys

                    Filesize

                    381B

                    MD5

                    9da18d38b6dd4c4aa84642378d63fa89

                    SHA1

                    c5a976691e4b5963b5e760044f22cc9685268db6

                    SHA256

                    43062900b2539d8d1f67f30fa7042c56b53541f63875b5f0de5d8fbde0e0a8bf

                    SHA512

                    222b20b5b2ff8956c13dbac1f8d3f81435613b751913d65f4c4082ea9c1a7c8ae91be17a24ef4ae0c708bfe09daab552bb209615714d70acfaaed89c536c71b3