Overview

overview

6

Static

static

1

barm7.elf

debian-12-armhf

6

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20260513-en
  • resource tags

    arch:armhfimage:debian12-armhf-20260513-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    26/06/2026, 12:52

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General

  • Target
    barm7.elf
  • Size 807KB
  • Sample260626-p4cd3act6q
  • SHA256 5704d7c94a19b040ef9230f642909590326d399bc2d8fcfe690b8741bb5532cd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
discovery

Malware Config

Signatures

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

    discovery
  • Changes its process name 1 IoCs
  • Reads CPU attributes 1 TTPs 1 IoCs
    discovery
  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

    discovery

Processes

  • /tmp/barm7.elf
    /tmp/barm7.elf
    1⤵
    • Enumerates active TCP sockets
    • Changes its process name
    • Reads CPU attributes
    • Reads system network configuration
    PID:804
    • /bin/sh
      sh -c "iptables -A INPUT -p tcp --dport 26721 -j ACCEPT"
      2⤵
        PID:818
      • /bin/sh
        sh -c "/bin/busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT"
        2⤵
          PID:819
          • /bin/busybox
            /bin/busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
            3⤵
              PID:820
          • /bin/sh
            sh -c "/bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT"
            2⤵
              PID:823
              • /bin/iptables
                /bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
                3⤵
                  PID:824
              • /bin/sh
                sh -c "/usr/bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT"
                2⤵
                  PID:825
                  • /usr/bin/iptables
                    /usr/bin/iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
                    3⤵
                      PID:826
                  • /bin/sh
                    sh -c "busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT"
                    2⤵
                      PID:827
                      • /usr/bin/busybox
                        busybox iptables -A INPUT -p tcp --dport 26721 -j ACCEPT
                        3⤵
                          PID:831

                    Network

                          MITRE ATT&CK Enterprise v16

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