58042feda2e514f3c0badf4d7c527c8bf044e21169f287b895f7fa66e5a9c7f1

Analysis

max time kernel
116s
max time network
127s
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
10/01/2025, 20:22

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General

Target

ssd.elf
Size

135KB
MD5

c7212063b2e285ec072d0ab348ee208e
SHA1

5f8830f178b92946bedef6f8a58a6a762792a698
SHA256

58042feda2e514f3c0badf4d7c527c8bf044e21169f287b895f7fa66e5a9c7f1
SHA512

b77b00b30c424c7a2892f43373a783064c174cfc6df7ab73a944d512f11cd2c0ff6c808d656a30c3f891f28f2c46920bcd611ee48cceadc9e0a2e63b7ecd8c39
SSDEEP

3072:sh+Radi7iaPw5388shgZl1AzqcZRQNeN0eaLmhxQu72m/RZ:qXaPw5Rl1AzqY0eaLmhxQu72m/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/watchdog	ssd.elf
File opened for modification	/dev/misc/watchdog	ssd.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	ssd.elf

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	sshd	655	ssd.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	ssd.elf

/tmp/ssd.elf
/tmp/ssd.elf
1⤵
- Modifies Watchdog functionality
- Reads system routing table
- Changes its process name
- Reads system network configuration
PID:655

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

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads