Overview

overview

7

Static

static

1

arm77.elf

debian-12-armhf

7

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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
    03/10/2026, 23:55

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General

  • Target
    arm77.elf
  • Size 177KB
  • Sample261003-3ynrsszz7r
  • SHA256 5420b2745e8d8c347563d73c3945b50b12f7c21b38fbfefd0202779fe1fa98c1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
antivmcredential_accessdiscovery

Malware Config

Signatures

  • Renames itself 1 IoCs
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads process memory 1 TTPs 1 IoCs

    Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

    credential_access
  • Changes its process name 5 IoCs
  • 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 2 IoCs

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

    discovery

Processes

  • /tmp/arm77.elf
    /tmp/arm77.elf
    1⤵
    • Renames itself
    • Reads process memory
    • Changes its process name
    • Checks CPU configuration
    • Reads runtime system information
    PID:782
    • /bin/busybox
      /bin/busybox mv /sbin/crimetables /sbin/iptables
      2⤵
      • System Network Configuration Discovery
      PID:812
    • /bin/busybox
      /bin/busybox mv /sbin/crime-multi /sbin/xtables-multi
      2⤵
        PID:813
      • /sbin/xtables-multi
        /sbin/xtables-multi iptables -F
        2⤵
          PID:814
        • /sbin/xtables-multi
          /sbin/xtables-multi iptables -A INPUT -p tcp -s 45.198.224.123 -j ACCEPT
          2⤵
            PID:815
          • /sbin/xtables-multi
            /sbin/xtables-multi iptables -A INPUT -p tcp -s 45.198.224.124 -j ACCEPT
            2⤵
              PID:816
            • /sbin/xtables-multi
              /sbin/xtables-multi iptables -A INPUT -p tcp -s "127.0.0.1,192.168.0.0/16,10.0.0.0/8,172.16.0.0/12" --dport 554 -j ACCEPT
              2⤵
                PID:817
              • /sbin/xtables-multi
                /sbin/xtables-multi iptables -A INPUT -p udp -s "127.0.0.1,192.168.0.0/16,10.0.0.0/8,172.16.0.0/12" --dport 554 -j ACCEPT
                2⤵
                  PID:818
                • /sbin/xtables-multi
                  /sbin/xtables-multi iptables -A INPUT -p udp --dport 554 -j DROP
                  2⤵
                    PID:819
                  • /sbin/xtables-multi
                    /sbin/xtables-multi iptables -A INPUT -p tcp "!" --syn -j ACCEPT
                    2⤵
                      PID:820
                    • /sbin/xtables-multi
                      /sbin/xtables-multi iptables -A INPUT -p tcp -j DROP
                      2⤵
                        PID:821
                      • /bin/busybox
                        /bin/busybox mv /sbin/iptables /sbin/crimetables
                        2⤵
                        • System Network Configuration Discovery
                        PID:822
                      • /bin/busybox
                        /bin/busybox mv /sbin/xtables-multi /sbin/crime-multi
                        2⤵
                          PID:823

                      Network

                            MITRE ATT&CK Enterprise v16

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