f0b75ebd46b16f8a7b70027489bd12b1e350dc7386eddb1d85256482852deb37

Analysis

max time kernel
102s
max time network
154s
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
19-02-2025 18:42

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General

Target

arm.elf
Size

77KB
MD5

009e48bb599ed80b52a8a5cc7bcdc975
SHA1

5dfd4288668490822d98968874b39ab63e7e244a
SHA256

f0b75ebd46b16f8a7b70027489bd12b1e350dc7386eddb1d85256482852deb37
SHA512

af89c62c424b234dddf41f547ffe8cb896dcd4744dc4e3712fc8a45fe9124a839a561fc7d0cabfb9aa91d035e8eb0952dcd3467422c71e9eca2677f86976fe82
SSDEEP

1536:Kl3kUVLABJQz6bMbru06RR8gTVYn83ahWnUuqpX5WzEF35mWG:Klt6Ag+n8qhoeXF39

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (194790) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

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

Enumerates active TCP sockets 1 TTPs 1 IoCs

Gets active TCP sockets from /proc virtual filesystem.

discovery

System Network Connections Discovery

T1049

description	ioc	Process
File opened for reading	/proc/net/tcp	arm.elf

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	io5je3o121kpbkc2f50	646	arm.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/tcp	arm.elf

Reads runtime system information 2 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/653/exe	arm.elf
File opened for reading	/proc/647/exe	arm.elf

/tmp/arm.elf
/tmp/arm.elf
1⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Changes its process name
- Reads system network configuration
- Reads runtime system information
PID:646

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Network Service Discovery

T1046

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

System Network Connections Discovery

T1049

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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