Analysis

  • max time kernel
    1s
  • max time network
    132s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240226-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240226-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    07/03/2024, 18:02

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:1565
    • /usr/bin/chattr
      chattr -ia "~/.xmrig.json"
      2⤵
      • Attempts to change immutable files
      PID:1566
    • /bin/rm
      rm -rf "~/.xmrig.json"
      2⤵
        PID:1567
      • /usr/bin/pkill
        pkill -9 cron
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:1568
      • /usr/bin/killall
        killall -9 cron
        2⤵
        • Reads runtime system information
        PID:1569
      • /usr/bin/pkill
        pkill -9 kswapd0
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:1575
      • /usr/bin/killall
        killall -9 kswapd0
        2⤵
        • Reads runtime system information
        PID:1576
      • /usr/bin/pkill
        pkill -9 ld-linux
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:1585
      • /usr/bin/killall
        killall -9 ld-linux
        2⤵
          PID:1586
        • /usr/bin/pkill
          pkill -9 Donald
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:1592
        • /usr/bin/killall
          killall -9 Donald
          2⤵
          • Reads runtime system information
          PID:1593
        • /usr/bin/pkill
          pkill -9 xmr
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:1599
        • /usr/bin/killall
          killall -9 xmr
          2⤵
            PID:1600
          • /usr/bin/pkill
            pkill -9 xm64
            2⤵
            • Reads CPU attributes
            • Reads runtime system information
            PID:1606
          • /usr/bin/killall
            killall -9 xm64
            2⤵
            • Reads runtime system information
            PID:1607
          • /bin/rm
            rm -rf .proc
            2⤵
              PID:1613
          • /usr/bin/awk
            awk "{print \$1}"
            1⤵
              PID:1574
            • /bin/grep
              grep -v grep
              1⤵
                PID:1573
              • /bin/grep
                grep cron
                1⤵
                  PID:1572
                • /bin/ps
                  ps x
                  1⤵
                  • Reads CPU attributes
                  • Reads runtime system information
                  PID:1571
                • /bin/grep
                  grep -v grep
                  1⤵
                    PID:1583
                  • /usr/bin/awk
                    awk "{print \$1}"
                    1⤵
                      PID:1584
                    • /bin/grep
                      grep kswapd0
                      1⤵
                        PID:1582
                      • /bin/ps
                        ps x
                        1⤵
                        • Reads CPU attributes
                        • Reads runtime system information
                        PID:1581
                      • /bin/ps
                        ps x
                        1⤵
                        • Reads CPU attributes
                        • Reads runtime system information
                        PID:1588
                      • /usr/bin/awk
                        awk "{print \$1}"
                        1⤵
                          PID:1591
                        • /bin/grep
                          grep -v grep
                          1⤵
                            PID:1590
                          • /bin/grep
                            grep ld-linux
                            1⤵
                              PID:1589
                            • /usr/bin/awk
                              awk "{print \$1}"
                              1⤵
                                PID:1598
                              • /bin/grep
                                grep -v grep
                                1⤵
                                  PID:1597
                                • /bin/grep
                                  grep Donald
                                  1⤵
                                    PID:1596
                                  • /bin/ps
                                    ps x
                                    1⤵
                                    • Reads CPU attributes
                                    • Reads runtime system information
                                    PID:1595
                                  • /usr/bin/awk
                                    awk "{print \$1}"
                                    1⤵
                                      PID:1605
                                    • /bin/grep
                                      grep -v grep
                                      1⤵
                                        PID:1604
                                      • /bin/grep
                                        grep xmr
                                        1⤵
                                          PID:1603
                                        • /bin/ps
                                          ps x
                                          1⤵
                                          • Reads CPU attributes
                                          • Reads runtime system information
                                          PID:1602
                                        • /usr/bin/awk
                                          awk "{print \$1}"
                                          1⤵
                                            PID:1612
                                          • /bin/grep
                                            grep -v grep
                                            1⤵
                                              PID:1611
                                            • /bin/grep
                                              grep xm64
                                              1⤵
                                                PID:1610
                                              • /bin/ps
                                                ps x
                                                1⤵
                                                • Reads CPU attributes
                                                • Reads runtime system information
                                                PID:1609

                                              Network

                                              MITRE ATT&CK Enterprise v15

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