Overview

overview

10

Static

static

10

arm7

debian-12-armhf

9

Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20240221-en
  • resource tags

    arch:armhfimage:debian12-armhf-20240221-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    03-02-2025 17:37

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General

  • Target

    arm7

  • Size

    164KB

  • MD5

    008fdd8c2beef87f5867fee4e701567f

  • SHA1

    5a38dfe83701e3df0b5130784f1911278fe434e6

  • SHA256

    835bfb6ea37ae5493544d9ff4d1c99d7f8479ff71a36d9457af5ce2ff66b0ab9

  • SHA512

    84b198f3691961c3aaa3dbba018d1eb06c8cb0ee238364251ac170f820bb0aa368674286d66c3b9419d199c016f3a9da33e4b40ef87c6aecde09488006bac349

  • SSDEEP

    3072:hcloB4DEIlGG8DG2a2Awjo7DA3TA9Aw1YSwbZn5R6Bh7M/9C8rs3b:ul/HroG2a2Awjo7DiTAxLwR5R6BNM/96

Score
9/10
defense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (23366) 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 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Changes its process name 1 IoCs
  • Reads runtime system information 2 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/arm7
    /tmp/arm7
    1⤵
    • Changes its process name
    PID:705
    • /bin/sh
      /bin/sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/arm7 bin/busybox; chmod 777 bin/busybox"
      2⤵
      • File and Directory Permissions Modification
      • Writes file to tmp directory
      PID:708
      • /usr/bin/rm
        rm -rf bin/busybox
        3⤵
          PID:711
        • /usr/bin/mkdir
          mkdir bin
          3⤵
          • Reads runtime system information
          PID:713
        • /usr/bin/mv
          mv /tmp/arm7 bin/busybox
          3⤵
          • Reads runtime system information
          PID:717
        • /usr/bin/chmod
          chmod 777 bin/busybox
          3⤵
          • File and Directory Permissions Modification
          PID:724

    Network

    MITRE ATT&CK Enterprise v15

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