Overview

overview

10

Static

static

10

1a698a7548...ad.elf

debian-12-mipsel

9

Analysis

  • max time kernel
    152s
  • max time network
    165s
  • platform
    debian-12_mipsel
  • resource
    debian12-mipsel-20240221-en
  • resource tags

    arch:mipselimage:debian12-mipsel-20240221-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem
  • submitted
    14-12-2024 02:17

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General

  • Target

    1a698a7548e186155ad9802aa85952527bb0a1ab772462ee5b031de63f2f8aad.elf

  • Size

    94KB

  • MD5

    04b0ce1124a63fd41bb394ba5d6e771a

  • SHA1

    ff872de5221a319cecca7bff9e699a67f1af6f32

  • SHA256

    1a698a7548e186155ad9802aa85952527bb0a1ab772462ee5b031de63f2f8aad

  • SHA512

    41d2a5c6c2a8e8360ac19499154323e268f68fc1015a927fd38ff42f692696a3e347d705b4444287647826a572091dd16f944190e536bc38e3ea2c92e99b5915

  • SSDEEP

    1536:tifuxWZfMCV8SerqEbYJJSw1J2V4J+aIZRIdD3Bf/wbZnsRp:t9xWaCNlr2VQ+HCx/wbZnsR

Score
9/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Contacts a large (19689) 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
  • Unexpected DNS network traffic destination 2 IoCs

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

  • Modifies rc script 2 TTPs 1 IoCs

    Adding/modifying system rc scripts is a common persistence mechanism.

    persistence
  • 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/1a698a7548e186155ad9802aa85952527bb0a1ab772462ee5b031de63f2f8aad.elf
    /tmp/1a698a7548e186155ad9802aa85952527bb0a1ab772462ee5b031de63f2f8aad.elf
    1⤵
    • Modifies rc script
    • Changes its process name
    PID:732
    • /bin/sh
      sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/1a698a7548e186155ad9802aa85952527bb0a1ab772462ee5b031de63f2f8aad.elf bin/busybox; chmod 777 bin/busybox"
      2⤵
      • File and Directory Permissions Modification
      • Writes file to tmp directory
      PID:734
      • /usr/bin/rm
        rm -rf bin/busybox
        3⤵
          PID:736
        • /usr/bin/mkdir
          mkdir bin
          3⤵
          • Reads runtime system information
          PID:738
        • /usr/bin/mv
          mv /tmp/1a698a7548e186155ad9802aa85952527bb0a1ab772462ee5b031de63f2f8aad.elf bin/busybox
          3⤵
          • Reads runtime system information
          PID:742
        • /usr/bin/chmod
          chmod 777 bin/busybox
          3⤵
          • File and Directory Permissions Modification
          PID:748

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • /etc/rc.local
      Filesize

      96B

      MD5

      693b25352a9477882662df0d08eac50c

      SHA1

      1af94224492224d7a136fd8c5f769a8af7e55b68

      SHA256

      df474ba7a706f81221a7ef57df00a94c47676c481dc1a689e8df80451aa05e06

      SHA512

      4ebf9251bcdb6cf694e69ecec3ab669e30afe5fa14af4a80db0b44bf05264a336a6292302955c044ed299a8085fea3163c7d7bbb27e03ddd3c49e213e2b3721d

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