Overview

overview

10

Static

static

10

Josho.x86.elf

ubuntu-24.04-amd64

9

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    ubuntu-24.04_amd64
  • resource
    ubuntu2404-amd64-20240523-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2404-amd64-20240523-enkernel:6.8.0-31-genericlocale:en-usos:ubuntu-24.04-amd64system
  • submitted
    10-12-2024 18:32

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General

  • Target

    Josho.x86.elf

  • Size

    48KB

  • MD5

    ae505017788c6fb7c7bceb873ddbc186

  • SHA1

    08f86d53b68930fe8ef690ef58b064dd02830210

  • SHA256

    c1027350e9cb38189256c744e30a991f2cc7045c80beb5b77eb50cabef45a4ec

  • SHA512

    38e0193a1619f2026cfde566ac945310b4e5c6b0b946c8e08d413b15562672e93da18b121f235bac5d9a64cea171c669a88d661fe197717de59cc8b4a0a8ee7d

  • SSDEEP

    1536:4LInPCqAAXJLE7cxtdw8NAqBNMsvk9YXPSP0Hoa:FCqxpE7cxtdw0Aqvjvk9sSMHz

Score
9/10
discoveryrootkit

Malware Config

Signatures

  • Contacts a large (48291) 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
  • Loads a kernel module 64 IoCs

    Loads a Linux kernel module, potentially to achieve persistence

    rootkit
  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/Josho.x86.elf
    /tmp/Josho.x86.elf
    1⤵
    • Loads a kernel module
    • Writes file to tmp directory
    PID:2819

Network

MITRE ATT&CK Enterprise v15

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