f0fe0f22eed4d6f489e626c4b224287063cc78c0bc05552d0df0f87849192d12

Analysis

max time kernel
108s
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
24/03/2025, 11:27

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General

Target

g4za.arm.elf
Size

86KB
MD5

ffe5eaa7de5806728cc8832cf8355aac
SHA1

4c4ca7084cea4f632b6303f540d79ad68d4cd6df
SHA256

f0fe0f22eed4d6f489e626c4b224287063cc78c0bc05552d0df0f87849192d12
SHA512

8b23f0dd80f42b346202d1aa9368201d115fb193f24d0b5f7b402972d4a9ac4540987698f49cb2822ac63e34a77cf9bdfa005f414e7fb9a156498a4710fc5afc
SSDEEP

1536:j01gPv9OCDGQvZUsKmqx33eZtU5vWmFPNeiiW/cHvgi:j01gPv9sVx3wgFPNF1cl

Score

9^/10

credential_access defense_evasion discovery

Malware Config

Signatures

Contacts a large (125397) 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	g4za.arm.elf
File opened for modification	/dev/misc/watchdog	g4za.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	g4za.arm.elf

Reads process memory 1 TTPs 24 IoCs

Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

credential_access

Proc Filesystem

T1003.007

description	ioc	Process
File opened for reading	/proc/763/maps	g4za.arm.elf
File opened for reading	/proc/591/maps	g4za.arm.elf
File opened for reading	/proc/635/maps	g4za.arm.elf
File opened for reading	/proc/636/maps	g4za.arm.elf
File opened for reading	/proc/765/maps	g4za.arm.elf
File opened for reading	/proc/588/maps	g4za.arm.elf
File opened for reading	/proc/592/maps	g4za.arm.elf
File opened for reading	/proc/757/maps	g4za.arm.elf
File opened for reading	/proc/767/maps	g4za.arm.elf
File opened for reading	/proc/587/maps	g4za.arm.elf
File opened for reading	/proc/629/maps	g4za.arm.elf
File opened for reading	/proc/639/maps	g4za.arm.elf
File opened for reading	/proc/641/maps	g4za.arm.elf
File opened for reading	/proc/647/maps	g4za.arm.elf
File opened for reading	/proc/669/maps	g4za.arm.elf
File opened for reading	/proc/754/maps	g4za.arm.elf
File opened for reading	/proc/759/maps	g4za.arm.elf
File opened for reading	/proc/571/maps	g4za.arm.elf
File opened for reading	/proc/634/maps	g4za.arm.elf
File opened for reading	/proc/642/maps	g4za.arm.elf
File opened for reading	/proc/748/maps	g4za.arm.elf
File opened for reading	/proc/750/maps	g4za.arm.elf
File opened for reading	/proc/755/maps	g4za.arm.elf
File opened for reading	/proc/761/maps	g4za.arm.elf

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	itcii2jhbjp7ao6p	637	g4za.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	g4za.arm.elf

/tmp/g4za.arm.elf
/tmp/g4za.arm.elf
1⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads process memory
- Changes its process name
- Reads system network configuration
PID:637

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

OS Credential Dumping

T1003

Proc Filesystem

T1003.007

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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