Analysis

  • max time kernel
    1s
  • max time network
    478s
  • 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
    15-04-2024 16:01

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:1490
    • /usr/bin/chattr
      chattr -ia "~/.xmrig.json"
      2⤵
      • Attempts to change immutable files
      PID:1491
    • /usr/bin/rm
      rm -rf "~/.xmrig.json"
      2⤵
        PID:1492
      • /usr/bin/pkill
        pkill -9 cron
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:1493
      • /usr/bin/killall
        killall -9 cron
        2⤵
        • Reads runtime system information
        PID:1497
      • /usr/bin/pkill
        pkill -9 kswapd0
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:1504
      • /usr/bin/killall
        killall -9 kswapd0
        2⤵
          PID:1505
        • /usr/bin/pkill
          pkill -9 ld-linux
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:1513
        • /usr/bin/killall
          killall -9 ld-linux
          2⤵
            PID:1515
          • /usr/bin/pkill
            pkill -9 Donald
            2⤵
            • Reads CPU attributes
            • Reads runtime system information
            PID:1521
          • /usr/bin/killall
            killall -9 Donald
            2⤵
            • Reads runtime system information
            PID:1522
          • /usr/bin/pkill
            pkill -9 xmr
            2⤵
            • Reads CPU attributes
            • Reads runtime system information
            PID:1528
          • /usr/bin/killall
            killall -9 xmr
            2⤵
            • Reads runtime system information
            PID:1529
          • /usr/bin/pkill
            pkill -9 xm64
            2⤵
            • Reads CPU attributes
            • Reads runtime system information
            PID:1540
          • /usr/bin/killall
            killall -9 xm64
            2⤵
            • Reads runtime system information
            PID:1541
          • /usr/bin/rm
            rm -rf .proc
            2⤵
              PID:1547
          • /usr/bin/awk
            awk "{print \$1}"
            1⤵
              PID:1502
            • /usr/bin/grep
              grep -v grep
              1⤵
                PID:1501
              • /usr/bin/grep
                grep cron
                1⤵
                  PID:1500
                • /usr/bin/ps
                  ps x
                  1⤵
                  • Reads CPU attributes
                  • Reads runtime system information
                  PID:1499
                • /usr/bin/awk
                  awk "{print \$1}"
                  1⤵
                    PID:1510
                  • /usr/bin/grep
                    grep -v grep
                    1⤵
                      PID:1509
                    • /usr/bin/grep
                      grep kswapd0
                      1⤵
                        PID:1508
                      • /usr/bin/ps
                        ps x
                        1⤵
                        • Reads CPU attributes
                        • Reads runtime system information
                        PID:1507
                      • /usr/bin/awk
                        awk "{print \$1}"
                        1⤵
                          PID:1520
                        • /usr/bin/grep
                          grep -v grep
                          1⤵
                            PID:1519
                          • /usr/bin/grep
                            grep ld-linux
                            1⤵
                              PID:1518
                            • /usr/bin/ps
                              ps x
                              1⤵
                              • Reads CPU attributes
                              • Reads runtime system information
                              PID:1517
                            • /usr/bin/awk
                              awk "{print \$1}"
                              1⤵
                                PID:1527
                              • /usr/bin/grep
                                grep -v grep
                                1⤵
                                  PID:1526
                                • /usr/bin/grep
                                  grep Donald
                                  1⤵
                                    PID:1525
                                  • /usr/bin/ps
                                    ps x
                                    1⤵
                                    • Reads CPU attributes
                                    • Reads runtime system information
                                    PID:1524
                                  • /usr/bin/awk
                                    awk "{print \$1}"
                                    1⤵
                                      PID:1537
                                    • /usr/bin/grep
                                      grep -v grep
                                      1⤵
                                        PID:1536
                                      • /usr/bin/grep
                                        grep xmr
                                        1⤵
                                          PID:1535
                                        • /usr/bin/ps
                                          ps x
                                          1⤵
                                          • Reads CPU attributes
                                          • Reads runtime system information
                                          PID:1534
                                        • /usr/bin/awk
                                          awk "{print \$1}"
                                          1⤵
                                            PID:1546
                                          • /usr/bin/grep
                                            grep -v grep
                                            1⤵
                                              PID:1545
                                            • /usr/bin/grep
                                              grep xm64
                                              1⤵
                                                PID:1544
                                              • /usr/bin/ps
                                                ps x
                                                1⤵
                                                • Reads CPU attributes
                                                • Reads runtime system information
                                                PID:1543

                                              Network

                                              MITRE ATT&CK Enterprise v15

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