27e340c5abf8dd5034a8a523e2c7f725f6986a360696899965a645298a37968d

Analysis

max time kernel
145s
max time network
132s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240611-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
16/12/2024, 09:23

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General

Target

x86.elf
Size

113KB
MD5

d3a87746082d48d04a088785f46dc737
SHA1

df6772a1448f960c220c8455a59b75043b4b0191
SHA256

27e340c5abf8dd5034a8a523e2c7f725f6986a360696899965a645298a37968d
SHA512

88ccea175f40ce3c8428f303e12ed8f3f1e47bdd20dd73dc256214300cbb9a68abe5ceafa5e9173d7183f5a80ba04b25d6ac81af840500fe6de3d3788fd33df5
SSDEEP

3072:kiry859a2A/JfFwHYqbgFFo8+HeJM+TRCm7FnVqfJXFWbNb:T9a2ijqkrFjsm7FnVqfJXFWbNb

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	x86.elf
File opened for modification	/dev/misc/watchdog	x86.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	x86.elf

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	sshd	1526	x86.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	x86.elf

/tmp/x86.elf
/tmp/x86.elf
1⤵
- Modifies Watchdog functionality
- Reads system routing table
- Changes its process name
- Reads system network configuration
PID:1526

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

Replay Monitor

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Downloads