Overview

overview

10

Static

static

5

parm7.elf

debian-12-armhf

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20260127-en
  • resource tags

    arch:armhfimage:debian12-armhf-20260127-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    23/07/2026, 00:55

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General

  • Target
    parm7.elf
  • Size 58KB
  • Sample260723-a971laycnd
  • SHA256 5dcc401bcba1ccc0f65b59c3ec54605cbfa33f970940957bf98af2d7054119a4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
botnetmiraidefense_evasiondiscoverymirai

Malware Config

Extracted

Family

  • mirai

Botnet

  • MIRAI

Signatures

  • Family: Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

    botnetmirai
  • Deletes itself 1 IoCs
  • Modifies Watchdog functionality 1 TTPs 2 IoCs

    Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

    defense_evasion
  • Changes its process name 1 IoCs
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to shm directory 1 IoCs

    Malware can drop malicious files in the shm directory which will run directly from RAM.

Processes

  • /tmp/parm7.elf
    /tmp/parm7.elf
    1⤵
    • Deletes itself
    • Modifies Watchdog functionality
    • Changes its process name
    • Reads runtime system information
    • Writes file to shm directory
    PID:788

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        .comm
        • Path /dev/shm/.comm
        • Size 4B
        • SHA256 82c1315e6c757f33c4a77ca58b2a184f5a88614470c05ec77f3d28918db6b8ae
        • MD5 SHA1 SHA512
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