ae3cbe9f45318d384a1b884c0c78bf7529dcd4d3f8411d40046bb6f926af109b

Analysis

max time kernel
145s
max time network
135s
platform
ubuntu-22.04_amd64
resource
ubuntu2204-amd64-20240611-en
resource tags

arch:amd64arch:i386image:ubuntu2204-amd64-20240611-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system
submitted
05-01-2025 07:48

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General

Target

a.elf
Size

93KB
MD5

b062e74dd216b96e8573bb71bb6156a0
SHA1

a903e99874d58fa1f799daa23b0af83508b0f4e1
SHA256

ae3cbe9f45318d384a1b884c0c78bf7529dcd4d3f8411d40046bb6f926af109b
SHA512

425e4cb13cc55e2bdb20af671f8f39795f6d57172a77f0b001dbba8f22793985cda48ae015101bf9b0b23c7f3e4b776bb75424fb28fac79f1750c1906afa9f34
SSDEEP

1536:a7LkK1i4Ftacex2FOfWt+AakNbQCOpxVZEV0ZtGBammioVcYRZLrn04i:fK1i4FtacexkUAakNbQCSzGammFVcYRi

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

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	sshd	1587	a.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	a.elf

/tmp/a.elf
/tmp/a.elf
1⤵
- Modifies Watchdog functionality
- Reads system routing table
- Changes its process name
- Reads system network configuration
PID:1587

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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