Analysis

  • max time kernel
    3s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20260513-en
  • resource tags

    arch:armhfimage:debian9-armhf-20260513-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    22/07/2026, 11:16

General

  • Target
    .rsync/b/stop
  • Size 1KB
  • Sample260722-nc84aaeb43
  • SHA256 593ea276e442f1df193419307b24bdc11b050d34fe465db33289b79fd9e50ca8
  • MD5 SHA1 SHA512 TLSH
Score
6/10

Malware Config

Signatures

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads CPU attributes 1 TTPs 10 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:664
    • /usr/bin/killall
      killall -9 rsync
      2⤵
      • Reads runtime system information
      PID:665
    • /usr/bin/killall
      killall -9 sync
      2⤵
        PID:667
      • /usr/bin/killall
        killall -9 perl
        2⤵
        • Reads runtime system information
        PID:668
      • /usr/bin/killall
        killall -9 ps
        2⤵
        • Reads runtime system information
        PID:669
      • /usr/bin/killall
        killall -9 pool
        2⤵
        • Reads runtime system information
        PID:673
      • /usr/bin/killall
        killall -9 nginx
        2⤵
          PID:675
        • /usr/bin/killall
          killall -9 ecryptfs
          2⤵
          • Reads runtime system information
          PID:676
        • /usr/bin/killall
          killall -9 xmr
          2⤵
          • Reads runtime system information
          PID:677
        • /usr/bin/killall
          killall -9 edac0
          2⤵
          • Reads runtime system information
          PID:678
        • /usr/bin/killall
          killall -9 agent
          2⤵
          • Reads runtime system information
          PID:679
        • /usr/bin/pkill
          pkill -9 ps
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:680
        • /usr/bin/pkill
          pkill -9 pool
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:681
        • /usr/bin/pkill
          pkill -9 nginx
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:683
        • /usr/bin/pkill
          pkill -9 ecryptfs
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:686
        • /usr/bin/pkill
          pkill -9 xmr
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:687
        • /usr/bin/pkill
          pkill -9 edac0
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:688
        • /usr/bin/pkill
          pkill -9 sync
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:689
        • /usr/bin/pkill
          pkill -9 agent
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:690
        • /bin/ps
          ps x
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:692
        • /bin/grep
          grep -v grep
          2⤵
            PID:694
          • /bin/grep
            grep ps
            2⤵
              PID:693
            • /usr/bin/awk
              awk "{print \$1}"
              2⤵
                PID:695
              • /bin/grep
                grep sync
                2⤵
                  PID:701
                • /bin/grep
                  grep -v grep
                  2⤵
                    PID:702
                  • /bin/ps
                    ps x
                    2⤵
                    • Reads CPU attributes
                    • Reads runtime system information
                    PID:700
                  • /usr/bin/awk
                    awk "{print \$1}"
                    2⤵
                      PID:703

                  Network

                        MITRE ATT&CK Enterprise v16

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