Analysis

  • max time kernel
    5s
  • max time network
    130s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260513-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    22/07/2026, 11:16

General

  • Target
    .rsync/a/run
  • Size 116B
  • Sample260722-nc84aaeb43
  • SHA256 c74456763d09eecb859b6e2cd05ccc49363698bf9a0f2e05908a7baa1911dc66
  • MD5 SHA1 SHA512 TLSH
Score
6/10

Malware Config

Signatures

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 2 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/.rsync/a/run
    /tmp/.rsync/a/run
    1⤵
    • Writes file to tmp directory
    PID:1492
    • /tmp/.rsync/a/stop
      ./stop
      2⤵
        PID:1493
      • /bin/sleep
        sleep 5
        2⤵
          PID:1494
        • /bin/cat
          cat dir.dir
          2⤵
            PID:1501
          • /bin/pidof
            pidof kswapd00
            2⤵
            • Reads runtime system information
            PID:1503
          • /usr/bin/nohup
            nohup ./kswapd00
            2⤵
              PID:1502
            • /tmp/.rsync/a/kswapd00
              ./kswapd00
              2⤵
                PID:1502

            Network

                  MITRE ATT&CK Matrix

                  Replay Monitor

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                  Downloads

                  dir.dir

                  • Path /tmp/.rsync/a/dir.dir
                  • Size 14B
                  • SHA256 ea5fce19c5fbbbc6c3c36eb9e8e295dfb525e9669aafaf8abe9ddb4e00e345c7
                  • MD5 SHA1 SHA512