9221c5b3323f5cff014fd9c2fb858e63945912c6248caca5f81e43b056bd0359

Analysis

max time kernel
145s
max time network
136s
platform
debian-9_armhf
resource
debian9-armhf-20240611-en
resource tags

arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
05-01-2025 07:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d.elf
Size

121KB
MD5

7d8109f34970487eec948588fa67e679
SHA1

6dac660ba07326ce38f0d7d590b095aa63af028f
SHA256

9221c5b3323f5cff014fd9c2fb858e63945912c6248caca5f81e43b056bd0359
SHA512

db9bc9819318be915668fceb4db750acd7f51d6c3753da105e07a52d6d8d978c35cf49580cb34bc0ad98578f7e260695a8703c10531f06435da2c8f33a7e965b
SSDEEP

3072:W/cpZ7oB+UAx1DdpUhbsJWCd2BmPI6aQasyKf1vRe:i6UA1pUhbwWGkmPI6aQasyKf1vRe

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

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	sshd	650	d.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	d.elf

/tmp/d.elf
/tmp/d.elf
1⤵
- Modifies Watchdog functionality
- Reads system routing table
- Changes its process name
- Reads system network configuration
PID:650

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

Replay Monitor

Loading Replay Monitor...

Downloads