ec65a69848c51546e38fdeea9ad5f1df8166a4fd5bf55b7410e491d6929b4539

Analysis

max time kernel
130s
max time network
146s
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
22/09/2026, 04:23

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General

Target
i486.elf
Size 50KB
Sample260922-ezyfmaxfle
SHA256 ec65a69848c51546e38fdeea9ad5f1df8166a4fd5bf55b7410e491d6929b4539
MD5 b68ad6c0fe14a5679bc74f253a683086
SHA1 5e6e1b52ca9dd26f7d64be946ecfd5cdc6d1ff9b
SHA512 fc525a854e1e8468a5920f5466cbd7b3f76516ac63f8bb9482400592829868e99b5899aebd97aa0e7d08d1dc7e2235d7dac27bb4386715809de948832741a01c
SSDEEP 768:QQXWc3I7qi0T3F+d4f+4wcWZuQHcNsaFAHG+g/KVkW0SARxCvUf:QQSN0TVg4fWcWoQHlaFAHG+t01xCvU
TLSH
T16D332AC8A683DEF0D91106B0B866F7326A36F43AB10DD8A7E7A8F5637D5378190451AC
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1538	i486.elf

Modifies Watchdog functionality 1 TTPs 2 IoCs

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

defense_evasion

Impair Defenses

T1562

description	ioc	Process
File opened for modification	/dev/watchdog	i486.elf
File opened for modification	/dev/misc/watchdog	i486.elf

Changes its process name 1 IoCs

description	pid	Process
Changes the process name, possibly in an attempt to hide itself	1538	i486.elf

Reads runtime system information 1 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/stat	i486.elf

/tmp/i486.elf
/tmp/i486.elf
1⤵
- Deletes itself
- Modifies Watchdog functionality
- Changes its process name
- Reads runtime system information
PID:1538

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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