ea358ee792f3c08a4b8c34cf10d1c04c9003c13d21d195d348173aa78ec4c75c

Analysis

max time kernel
145s
max time network
138s
platform
debian-12_armhf
resource
debian12-armhf-20240729-en
resource tags

arch:armhfimage:debian12-armhf-20240729-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
05-01-2025 07:47

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General

Target

s.elf
Size

135KB
MD5

09748a86923870171d1821e84a4ae778
SHA1

b583e96c59f11380bf6286904cb925c279f16378
SHA256

ea358ee792f3c08a4b8c34cf10d1c04c9003c13d21d195d348173aa78ec4c75c
SHA512

9b2cc8d791b76c901c290792161b104ea006587bb5b4d6d9595327c269c0c9bda02bbe0bd215fd1e916f029eea7a66a0c05b9fd157313b46f43e111eeee05fb6
SSDEEP

3072:sh+Radi7iaPw5388shgZl1pzqcZRQNeN0eaLmhxQu72m/RZ:qXaPw5Rl1pzqY0eaLmhxQu72m/RZ

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	s.elf
File opened for modification	/dev/watchdog	s.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	s.elf

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	sshd	703	s.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	s.elf

/tmp/s.elf
/tmp/s.elf
1⤵
- Modifies Watchdog functionality
- Reads system routing table
- Changes its process name
- Reads system network configuration
PID:703

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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