Resubmissions

25/11/2023, 16:38

231125-t5eyssca6s 10

25/11/2023, 16:35

231125-t36nqsca5y 10

Analysis

  • max time kernel
    5s
  • max time network
    184s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20231026-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20231026-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    25/11/2023, 16:38

General

  • Target

    .rsync/b/stop

  • Size

    1KB

  • MD5

    5b64a3f14ef56f67c17f9ecfc78cde9f

  • SHA1

    e6892ed68fa1db2ba7b84d3f690ff29eae3dc6c7

  • SHA256

    20eca3e02cc4768498aa34f3161394875808b2c174388292f8d17c90f98e2373

  • SHA512

    4f711c1d1bf81925125cffa0b68e02e9c5162f6fe38bed241d52dab439b4493246eea80e70e0c92bae978f1c347c51965332183930ea2f0a52bbffdcb36b7487

Score
6/10

Malware Config

Signatures

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads CPU attributes 1 TTPs 8 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/b/stop
    /tmp/.rsync/b/stop
    1⤵
    • Writes file to tmp directory
    PID:1559
    • /usr/bin/killall
      killall -9 rsync
      2⤵
      • Reads runtime system information
      PID:1560
    • /usr/bin/killall
      killall -9 sync
      2⤵
      • Reads runtime system information
      PID:1561
    • /usr/bin/killall
      killall -9 perl
      2⤵
        PID:1562
      • /usr/bin/killall
        killall -9 ps
        2⤵
        • Reads runtime system information
        PID:1563
      • /usr/bin/killall
        killall -9 pool
        2⤵
        • Reads runtime system information
        PID:1564
      • /usr/bin/killall
        killall -9 nginx
        2⤵
        • Reads runtime system information
        PID:1565
      • /usr/bin/killall
        killall -9 ecryptfs
        2⤵
        • Reads runtime system information
        PID:1566
      • /usr/bin/killall
        killall -9 xmr
        2⤵
        • Reads runtime system information
        PID:1567
      • /usr/bin/pkill
        pkill -9 ps
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:1571
      • /usr/bin/pkill
        pkill -9 pool
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:1572
      • /usr/bin/pkill
        pkill -9 nginx
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:1573
      • /usr/bin/pkill
        pkill -9 ecryptfs
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:1574
      • /usr/bin/pkill
        pkill -9 xmr
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:1575
      • /usr/bin/pkill
        pkill -9 sync
        2⤵
        • Reads CPU attributes
        • Reads runtime system information
        PID:1576
    • /bin/grep
      grep ps
      1⤵
        PID:1579
      • /bin/grep
        grep -v grep
        1⤵
          PID:1580
        • /bin/ps
          ps x
          1⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:1578
        • /usr/bin/awk
          awk "{print \$1}"
          1⤵
            PID:1581
          • /bin/ps
            ps x
            1⤵
            • Reads CPU attributes
            • Reads runtime system information
            PID:1586
          • /bin/grep
            grep sync
            1⤵
              PID:1588
            • /bin/grep
              grep -v grep
              1⤵
                PID:1589
              • /usr/bin/awk
                awk "{print \$1}"
                1⤵
                  PID:1591

                Network

                MITRE ATT&CK Enterprise v15

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