Resubmissions

25/11/2023, 16:38

231125-t5eyssca6s 10

25/11/2023, 16:35

231125-t36nqsca5y 10

Analysis

  • max time kernel
    18s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20231026-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20231026-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    25/11/2023, 16:38

General

  • Target

    .rsync/a/stop

  • Size

    703B

  • MD5

    ff77f6a6f72a80258f484c99fdeb4626

  • SHA1

    36aa94b0ca1ced83d1a24f954f7e2113727797ef

  • SHA256

    d3bf59b23ca07761b6a13739894fec5516a47e388ea3cae9f54a076c0be81c54

  • SHA512

    4f18f5e91f2c791b27d5121a852f7457ba6c3e5193b510868dc412325978a96a60b303c0c1713fc13856c8827a39ee1c0476fb19b397f59a474e13b0896c003d

Score
10/10

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Attempts to change immutable files 1 IoCs

    Modifies inode attributes on the filesystem to allow changing of immutable files.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads CPU attributes 1 TTPs 12 IoCs
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/.rsync/a/stop
    /tmp/.rsync/a/stop
    1⤵
    • Writes file to tmp directory
    PID:722
    • /usr/bin/chattr
      chattr -ia "~/.xmrig.json"
      2⤵
      • Attempts to change immutable files
      PID:724
    • /bin/rm
      rm -rf "~/.xmrig.json"
      2⤵
        PID:730
      • /usr/bin/pkill
        pkill -9 cron
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:731
      • /usr/bin/killall
        killall -9 cron
        2⤵
        • Reads runtime system information
        PID:733
      • /usr/bin/pkill
        pkill -9 kswapd0
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:740
      • /usr/bin/killall
        killall -9 kswapd0
        2⤵
        • Reads runtime system information
        PID:742
      • /usr/bin/pkill
        pkill -9 ld-linux
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:748
      • /usr/bin/killall
        killall -9 ld-linux
        2⤵
        • Reads runtime system information
        PID:749
      • /usr/bin/pkill
        pkill -9 Donald
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:755
      • /usr/bin/killall
        killall -9 Donald
        2⤵
        • Reads runtime system information
        PID:756
      • /usr/bin/pkill
        pkill -9 xmr
        2⤵
        • Reads CPU attributes
        PID:762
      • /usr/bin/killall
        killall -9 xmr
        2⤵
        • Reads runtime system information
        PID:763
      • /usr/bin/pkill
        pkill -9 xm64
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:769
      • /usr/bin/killall
        killall -9 xm64
        2⤵
        • Reads runtime system information
        PID:770
      • /bin/rm
        rm -rf .proc
        2⤵
          PID:776
      • /bin/ps
        ps x
        1⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:736
      • /bin/grep
        grep cron
        1⤵
          PID:737
        • /bin/grep
          grep -v grep
          1⤵
            PID:738
          • /usr/bin/awk
            awk "{print \$1}"
            1⤵
              PID:739
            • /bin/ps
              ps x
              1⤵
              • Reads CPU attributes
              • Reads runtime system information
              PID:744
            • /bin/grep
              grep kswapd0
              1⤵
                PID:745
              • /bin/grep
                grep -v grep
                1⤵
                  PID:746
                • /usr/bin/awk
                  awk "{print \$1}"
                  1⤵
                    PID:747
                  • /bin/ps
                    ps x
                    1⤵
                    • Reads CPU attributes
                    • Reads runtime system information
                    PID:751
                  • /bin/grep
                    grep ld-linux
                    1⤵
                      PID:752
                    • /bin/grep
                      grep -v grep
                      1⤵
                        PID:753
                      • /usr/bin/awk
                        awk "{print \$1}"
                        1⤵
                          PID:754
                        • /bin/ps
                          ps x
                          1⤵
                          • Reads CPU attributes
                          • Reads runtime system information
                          PID:758
                        • /bin/grep
                          grep -v grep
                          1⤵
                            PID:760
                          • /bin/grep
                            grep Donald
                            1⤵
                              PID:759
                            • /usr/bin/awk
                              awk "{print \$1}"
                              1⤵
                                PID:761
                              • /bin/ps
                                ps x
                                1⤵
                                • Reads CPU attributes
                                • Reads runtime system information
                                PID:765
                              • /bin/grep
                                grep xmr
                                1⤵
                                  PID:766
                                • /bin/grep
                                  grep -v grep
                                  1⤵
                                    PID:767
                                  • /usr/bin/awk
                                    awk "{print \$1}"
                                    1⤵
                                      PID:768
                                    • /bin/ps
                                      ps x
                                      1⤵
                                      • Reads CPU attributes
                                      • Reads runtime system information
                                      PID:772
                                    • /bin/grep
                                      grep xm64
                                      1⤵
                                        PID:773
                                      • /bin/grep
                                        grep -v grep
                                        1⤵
                                          PID:774
                                        • /usr/bin/awk
                                          awk "{print \$1}"
                                          1⤵
                                            PID:775

                                          Network

                                          MITRE ATT&CK Enterprise v15

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