Analysis

  • max time kernel
    177s
  • max time network
    188s
  • 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
    01-03-2024 21:28

General

  • Target

    The-MALWARE-Repo-master/Botnets/FritzFrog/5fb29fb0136978b9ccf60750af09cec74a257a0ca9c47159ca74dbba21fbcc59

  • Size

    8.7MB

  • MD5

    97cfb3c26a12e13792f7d1741309d767

  • SHA1

    a010f85cdda9f83cbc738eb1b41cd621f3d6018e

  • SHA256

    5fb29fb0136978b9ccf60750af09cec74a257a0ca9c47159ca74dbba21fbcc59

  • SHA512

    162028b9e93bb4718427304a96767880da7094c99ae6145e61a562f09dae0ce6726b2dfac95782990f50fa9bfc9f82b1aacb9e7b12442094137872fa8a3f3379

  • SSDEEP

    98304:yM1SkPCVk8rOmgYcGrr69gRQTI6xmiiLuSESStOAco7Xk:yM1SkPCVkIgcWAQ06xniLuSExR

Malware Config

Signatures

  • Adds new SSH keys 1 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 1 IoCs

    Deletes log files on the system.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads CPU attributes 1 TTPs 28 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/5fb29fb0136978b9ccf60750af09cec74a257a0ca9c47159ca74dbba21fbcc59
    /tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/5fb29fb0136978b9ccf60750af09cec74a257a0ca9c47159ca74dbba21fbcc59
    1⤵
      PID:1514
    • /usr/bin/uname
      uname -a
      1⤵
        PID:1542
      • /usr/bin/cat
        cat /proc/cpuinfo
        1⤵
        • Checks CPU configuration
        PID:1560
      • /usr/bin/cat
        cat /etc/issue
        1⤵
          PID:1561
        • /usr/bin/free
          free -m
          1⤵
          • Reads CPU attributes
          PID:1564
        • /usr/bin/uptime
          uptime
          1⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:1566
        • /usr/bin/journalctl
          journalctl -S "@0" -u sshd
          1⤵
          • Reads EFI boot settings
          • Enumerates kernel/hardware configuration
          • Reads runtime system information
          PID:1579
        • /usr/bin/cat
          cat "/var/log/auth*"
          1⤵
            PID:1609
          • /usr/bin/zcat
            zcat "/var/log/auth*"
            1⤵
              PID:1614
            • /usr/local/sbin/gzip
              gzip -cd "/var/log/auth*"
              1⤵
                PID:1614
              • /usr/local/bin/gzip
                gzip -cd "/var/log/auth*"
                1⤵
                  PID:1614
                • /usr/sbin/gzip
                  gzip -cd "/var/log/auth*"
                  1⤵
                    PID:1614
                  • /usr/bin/gzip
                    gzip -cd "/var/log/auth*"
                    1⤵
                      PID:1614
                    • /usr/bin/free
                      free -m
                      1⤵
                      • Reads CPU attributes
                      PID:1932
                    • /usr/bin/uptime
                      uptime
                      1⤵
                      • Reads CPU attributes
                      • Reads runtime system information
                      PID:1933
                    • /usr/bin/free
                      free -m
                      1⤵
                      • Reads CPU attributes
                      • Reads runtime system information
                      PID:1986
                    • /usr/bin/uptime
                      uptime
                      1⤵
                      • Reads CPU attributes
                      • Reads runtime system information
                      PID:1987
                    • /usr/bin/free
                      free -m
                      1⤵
                      • Reads CPU attributes
                      PID:1993
                    • /usr/bin/uptime
                      uptime
                      1⤵
                      • Reads CPU attributes
                      PID:1995
                    • /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:2107
                    • /usr/bin/uptime
                      uptime
                      1⤵
                      • Reads CPU attributes
                      • Reads runtime system information
                      PID:2108
                    • /bin/bash
                      /bin/bash -
                      1⤵
                        PID:2120
                        • /usr/bin/grep
                          grep -c xmr
                          2⤵
                            PID:2122
                          • /usr/bin/strings
                            strings /proc/1/exe
                            2⤵
                              PID:2121
                          • /usr/bin/free
                            free -m
                            1⤵
                            • Reads CPU attributes
                            • Reads runtime system information
                            PID:2123
                          • /usr/bin/uptime
                            uptime
                            1⤵
                            • Reads CPU attributes
                            PID:2124
                          • /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
                            • Reads runtime system information
                            PID:2128
                          • /usr/bin/uptime
                            uptime
                            1⤵
                            • Reads CPU attributes
                            • Reads runtime system information
                            PID:2129
                          • /usr/bin/free
                            free -m
                            1⤵
                            • Reads CPU attributes
                            • Reads runtime system information
                            PID:2130
                          • /usr/bin/uptime
                            uptime
                            1⤵
                            • Reads CPU attributes
                            • Reads runtime system information
                            PID:2131
                          • /usr/bin/free
                            free -m
                            1⤵
                            • Reads CPU attributes
                            PID:2132
                          • /usr/bin/uptime
                            uptime
                            1⤵
                            • Reads CPU attributes
                            PID:2133
                          • /usr/bin/free
                            free -m
                            1⤵
                            • Reads CPU attributes
                            PID:2134
                          • /usr/bin/uptime
                            uptime
                            1⤵
                            • Reads CPU attributes
                            PID:2135
                          • /usr/bin/free
                            free -m
                            1⤵
                            • Reads CPU attributes
                            • Reads runtime system information
                            PID:2137
                          • /usr/bin/uptime
                            uptime
                            1⤵
                            • Reads CPU attributes
                            • Reads runtime system information
                            PID:2138
                          • /usr/bin/free
                            free -m
                            1⤵
                            • Reads CPU attributes
                            PID:2139
                          • /usr/bin/uptime
                            uptime
                            1⤵
                            • Reads CPU attributes
                            PID:2140

                          Network

                          MITRE ATT&CK Matrix ATT&CK v13

                          Defense Evasion

                          Virtualization/Sandbox Evasion

                          1
                          T1497

                          Indicator Removal

                          1
                          T1070

                          Discovery

                          Virtualization/Sandbox Evasion

                          1
                          T1497

                          System Information Discovery

                          2
                          T1082

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • /root/.ssh/authorized_keys
                            Filesize

                            381B

                            MD5

                            9da18d38b6dd4c4aa84642378d63fa89

                            SHA1

                            c5a976691e4b5963b5e760044f22cc9685268db6

                            SHA256

                            43062900b2539d8d1f67f30fa7042c56b53541f63875b5f0de5d8fbde0e0a8bf

                            SHA512

                            222b20b5b2ff8956c13dbac1f8d3f81435613b751913d65f4c4082ea9c1a7c8ae91be17a24ef4ae0c708bfe09daab552bb209615714d70acfaaed89c536c71b3