ac03cbaace321ca3c832198ead3fbd9626533080a2a3908945c24d1ca0ff89e4

Analysis

max time kernel
145s
max time network
132s
platform
ubuntu-22.04_amd64
resource
ubuntu2204-amd64-20240729-en
resource tags

arch:amd64arch:i386image:ubuntu2204-amd64-20240729-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system
submitted
05-01-2025 08:04

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General

Target

x.elf
Size

93KB
MD5

3a078fe36abfe3386a34eec8367c6b7b
SHA1

28885d5c254ff4cbd8d54e08f4bd611a45c9e4da
SHA256

ac03cbaace321ca3c832198ead3fbd9626533080a2a3908945c24d1ca0ff89e4
SHA512

359a9a5df8ab20e7c50e07aa760dc71949ea7a6d87a4f15a75ca747ad832a456dd6db11c4e52acba42a7e2946aa759ee90f01e2a3a9721b07119ac62770d536a
SSDEEP

1536:Ek0OQmh/c4jU4AJ3cEsMHHz5Dd38q2tBXrpEn9omCUeO7mnmmmioVcYRZLrn04i:Ek0OlfjUdVcRMVDdMqQBXrKJNHAmmmFA

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

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	x.elf
File opened for modification	/dev/misc/watchdog	x.elf

Reads system routing table 1 TTPs 1 IoCs

Gets active network interfaces from /proc virtual filesystem.

discovery

Internet Connection Discovery

T1016.001

description	ioc	Process
File opened for reading	/proc/net/route	x.elf

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	sshd	1574	x.elf

Reads system network configuration 1 TTPs 1 IoCs

Uses contents of /proc filesystem to enumerate network settings.

discovery

Internet Connection Discovery

T1016.001

description	ioc	Process
File opened for reading	/proc/net/route	x.elf

/tmp/x.elf
/tmp/x.elf
1⤵
- Modifies Watchdog functionality
- Reads system routing table
- Changes its process name
- Reads system network configuration
PID:1574

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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