Overview

overview

7

Static

static

1

rainii686.elf

ubuntu-18.04-amd64

7

Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260513-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    10/10/2026, 05:56

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General

  • Target
    rainii686.elf
  • Size 105KB
  • Sample261010-gm5ehsgz4m
  • SHA256 abb018512ef40ba5e9aca1ca6fccc4572de60eb23fc79ba798cdc549f63ac27b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscovery

Malware Config

Signatures

  • Renames itself 1 IoCs
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads MAC address of network interface 2 TTPs 1 IoCs

    Fetches the MAC address of active network interfaces. May be used to detect known values for hypervisors.

    defense_evasiondiscovery
  • Reads network interface configuration 2 TTPs 2 IoCs

    Fetches information about one or more active network interfaces.

    discovery
  • Changes its process name 1 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 1 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

    discovery
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/rainii686.elf
    /tmp/rainii686.elf
    1⤵
    • Renames itself
    • Reads MAC address of network interface
    • Reads network interface configuration
    • Changes its process name
    • Enumerates kernel/hardware configuration
    • Reads runtime system information
    PID:1538

Network

        MITRE ATT&CK Enterprise v16

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