d1eb6155452f3ab97e2df1311a93514c6c4be839810a31307404b22a21ca400f

Analysis

max time kernel
107s
max time network
150s
platform
debian-9_armhf
resource
debian9-armhf-20240418-en
resource tags

arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
29-12-2024 19:27

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General

Target

arm7.elf
Size

201KB
MD5

939406d5d370d1a039a9b0829d910b05
SHA1

bb57f12fd67203f883797bc83760bad871e0b386
SHA256

d1eb6155452f3ab97e2df1311a93514c6c4be839810a31307404b22a21ca400f
SHA512

c1cf7c03d70c992acb0f29404552ac5ceb952a173a581ccf46dad9c4ce4973f675a612132ee8c375c0656d4dabe7e9c28a78e6d0f8f5c3ba3bb252308be2466b
SSDEEP

6144:hTp5awLcubcu/vcrnfaVXkiGmxRi0Zk9UyVNM/9BuSY7:hTnawLcuIu/unfaVXkiGmTZmp6/aL

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (49326) 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	arm7.elf
File opened for modification	/dev/misc/watchdog	arm7.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	arm7.elf

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	GpyyjhAMRWjJgutsMaq	645	arm7.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	arm7.elf

/tmp/arm7.elf
/tmp/arm7.elf
1⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Changes its process name
- Reads system network configuration
PID:645

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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