Overview

overview

7

Static

static

1

mpsl.elf

debian-12-mipsel

7

Analysis

  • max time kernel
    125s
  • max time network
    157s
  • platform
    debian-12_mipsel
  • resource
    debian12-mipsel-20260513-en
  • resource tags

    arch:mipselimage:debian12-mipsel-20260513-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem
  • submitted
    26/10/2026, 20:19

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General

  • Target
    mpsl.elf
  • Size 271KB
  • Sample261026-y3yekswt2p
  • SHA256 5532e5e93bef7e3899085e9725637c556ed59578d85adcff78092c8580df9d3a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
antivmdiscoverypersistence

Malware Config

Signatures

  • Traces itself 1 IoCs

    Traces itself to prevent debugging attempts

  • Unexpected DNS network traffic destination 22 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

    discovery
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Write file to user bin folder 3 IoCs
    persistence
  • Changes its process name 1 IoCs
  • Checks CPU configuration 1 TTPs 1 IoCs

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

    antivm
  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

    discovery
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/mpsl.elf
    /tmp/mpsl.elf
    1⤵
    • Traces itself
    • Enumerates active TCP sockets
    • Write file to user bin folder
    • Changes its process name
    • Checks CPU configuration
    • Reads system network configuration
    • Reads runtime system information
    PID:801
    • /bin/sh
      sh -c "iptables -A INPUT -p tcp --dport 26721 -j ACCEPT"
      2⤵
        PID:808
      • /bin/sh
        sh -c "/bin/busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT"
        2⤵
          PID:811
          • /bin/busybox
            /bin/busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
            3⤵
              PID:813
          • /bin/sh
            sh -c "/bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT"
            2⤵
              PID:817
              • /bin/iptables
                /bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
                3⤵
                  PID:818
              • /bin/sh
                sh -c "/usr/bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT"
                2⤵
                  PID:819
                  • /usr/bin/iptables
                    /usr/bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
                    3⤵
                      PID:820
                  • /bin/sh
                    sh -c "busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT"
                    2⤵
                      PID:821
                      • /usr/bin/busybox
                        busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
                        3⤵
                          PID:822

                    Network

                          MITRE ATT&CK Enterprise v16

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