93accaaf17014fb745ef45b7eae25f5da4e8ebbc6e8de4e5d75186443ad6e5a5

Analysis

max time kernel
149s
max time network
153s
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
12-12-2024 23:56

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General

Target

b3astmode.arm.elf
Size

49KB
MD5

2762c2b80fa82e77df583546eb2ba047
SHA1

791ba91d730a92d1832d2abadaba283b621d8fa7
SHA256

93accaaf17014fb745ef45b7eae25f5da4e8ebbc6e8de4e5d75186443ad6e5a5
SHA512

d1ee77fceab60f561587570e5aead073c5e40554c4796d3ef9bd29392349aa5541fdb9129706dbbe5ba2bec29772d11931815c18702d5c032b5539edd3eed303
SSDEEP

768:r7zGFFJot5QVQXogjpwFh0GXoGPGV3Efb2LITookfCiMjYVtKiPNOTyaZUidaF/:SFM5Q2XoKwfImG+faH4jMdLWa

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (62064) 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	b3astmode.arm.elf
File opened for modification	/dev/misc/watchdog	b3astmode.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	b3astmode.arm.elf

Enumerates running processes
Discovers information about currently running processes on the system

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	b3astmode.arm.elf

Reads runtime system information 53 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/315/fd	b3astmode.arm.elf
File opened for reading	/proc/507/exe	b3astmode.arm.elf
File opened for reading	/proc/690/exe	b3astmode.arm.elf
File opened for reading	/proc/440/fd	b3astmode.arm.elf
File opened for reading	/proc/733/exe	b3astmode.arm.elf
File opened for reading	/proc/453/exe	b3astmode.arm.elf
File opened for reading	/proc/615/exe	b3astmode.arm.elf
File opened for reading	/proc/802/exe	b3astmode.arm.elf
File opened for reading	/proc/652/exe	b3astmode.arm.elf
File opened for reading	/proc/737/exe	b3astmode.arm.elf
File opened for reading	/proc/782/exe	b3astmode.arm.elf
File opened for reading	/proc/800/exe	b3astmode.arm.elf
File opened for reading	/proc/697/exe	b3astmode.arm.elf
File opened for reading	/proc/794/exe	b3astmode.arm.elf
File opened for reading	/proc/328/fd	b3astmode.arm.elf
File opened for reading	/proc/302/fd	b3astmode.arm.elf
File opened for reading	/proc/285/fd	b3astmode.arm.elf
File opened for reading	/proc/288/fd	b3astmode.arm.elf
File opened for reading	/proc/668/fd	b3astmode.arm.elf
File opened for reading	/proc/283/fd	b3astmode.arm.elf
File opened for reading	/proc/653/fd	b3astmode.arm.elf
File opened for reading	/proc/657/exe	b3astmode.arm.elf
File opened for reading	/proc/788/exe	b3astmode.arm.elf
File opened for reading	/proc/796/exe	b3astmode.arm.elf
File opened for reading	/proc/1/fd	b3astmode.arm.elf
File opened for reading	/proc/139/fd	b3astmode.arm.elf
File opened for reading	/proc/230/fd	b3astmode.arm.elf
File opened for reading	/proc/797/exe	b3astmode.arm.elf
File opened for reading	/proc/506/exe	b3astmode.arm.elf
File opened for reading	/proc/658/exe	b3astmode.arm.elf
File opened for reading	/proc/798/exe	b3astmode.arm.elf
File opened for reading	/proc/506/fd	b3astmode.arm.elf
File opened for reading	/proc/662/fd	b3astmode.arm.elf
File opened for reading	/proc/722/exe	b3astmode.arm.elf
File opened for reading	/proc/167/fd	b3astmode.arm.elf
File opened for reading	/proc/286/fd	b3astmode.arm.elf
File opened for reading	/proc/319/fd	b3astmode.arm.elf
File opened for reading	/proc/327/fd	b3astmode.arm.elf
File opened for reading	/proc/453/fd	b3astmode.arm.elf
File opened for reading	/proc/790/exe	b3astmode.arm.elf
File opened for reading	/proc/792/exe	b3astmode.arm.elf
File opened for reading	/proc/615/fd	b3astmode.arm.elf
File opened for reading	/proc/652/fd	b3astmode.arm.elf
File opened for reading	/proc/679/fd	b3astmode.arm.elf
File opened for reading	/proc/440/exe	b3astmode.arm.elf
File opened for reading	/proc/659/exe	b3astmode.arm.elf
File opened for reading	/proc/663/exe	b3astmode.arm.elf
File opened for reading	/proc/745/exe	b3astmode.arm.elf
File opened for reading	/proc/507/fd	b3astmode.arm.elf
File opened for reading	/proc/663/fd	b3astmode.arm.elf
File opened for reading	/proc/784/exe	b3astmode.arm.elf
File opened for reading	/proc/786/exe	b3astmode.arm.elf
File opened for reading	/proc/804/exe	b3astmode.arm.elf

/tmp/b3astmode.arm.elf
/tmp/b3astmode.arm.elf
1⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:660

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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