8ea3f1df33e88b32e7e40f8f8e81f0dbc52f1f346014931fbd29211e29e05156

Analysis

max time kernel
40s
max time network
150s
platform
debian-9_mips
resource
debian9-mipsbe-20240729-en
resource tags

arch:mipsimage:debian9-mipsbe-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
07/03/2025, 13:57

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General

Target

5r3fqt67ew531has4231.mips.elf
Size

112KB
MD5

d952a15c3bae79d86df5240f37147edb
SHA1

5258468ce8f96691caf2228347bd52a69dd2ae40
SHA256

8ea3f1df33e88b32e7e40f8f8e81f0dbc52f1f346014931fbd29211e29e05156
SHA512

1282e048718d974d0f574fb4b486d4a2a732e718cd98c68d5fe9f3cb3bc644c9b8250d08c78c27fc83d343a4007030d9e1c2462fc521f199498acd8eb1d15869
SSDEEP

3072:osC1R1THYzx/ldMxaj7egJo+Z0MEoL5jeiFJVc0qB7HK1h+x4zwbZnHv:oskXTHYzx/ldn72gjeiFJVcLrk8uwRHv

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (194356) 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

File and Directory Permissions Modification 1 TTPs 2 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

pid	Process
719	sh
730	chmod

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/bin/watchdog	717	5r3fqt67ew531has4231.mips.elf

Reads runtime system information 2 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/filesystems	mv

System Network Configuration Discovery 1 TTPs 2 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
717	5r3fqt67ew531has4231.mips.elf
724	mv

Writes file to tmp directory 1 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/bin/watchdog	sh

/tmp/5r3fqt67ew531has4231.mips.elf
/tmp/5r3fqt67ew531has4231.mips.elf
1⤵
- Changes its process name
- System Network Configuration Discovery
PID:717
- /bin/sh
  sh -c "rm -rf bin/watchdog && mkdir bin; >bin/watchdog && mv /tmp/5r3fqt67ew531has4231.mips.elf bin/watchdog; chmod 777 bin/watchdog"
  2⤵
  - File and Directory Permissions Modification
  - Writes file to tmp directory
  PID:719
- - /bin/rm
    rm -rf bin/watchdog
    3⤵
    PID:720
- - /bin/mkdir
    mkdir bin
    3⤵
    - Reads runtime system information
    PID:722
- - /bin/mv
    mv /tmp/5r3fqt67ew531has4231.mips.elf bin/watchdog
    3⤵
    - Reads runtime system information
    - System Network Configuration Discovery
    PID:724
- - /bin/chmod
    chmod 777 bin/watchdog
    3⤵
    - File and Directory Permissions Modification
    PID:730

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Credential Access

Discovery

Network Service Discovery

T1046

System Network Configuration Discovery

T1016

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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