716c82c534a179738785e0917dde43f24d1ca1fb8a0a1826b651126aa46d1e26

Analysis

max time kernel
90s
max time network
166s
platform
debian-12_armhf
resource
debian12-armhf-20240221-en
resource tags

arch:armhfimage:debian12-armhf-20240221-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
11-12-2024 02:46

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General

Target

716c82c534a179738785e0917dde43f24d1ca1fb8a0a1826b651126aa46d1e26.elf
Size

261KB
MD5

ad2c77b76858b10ea25fb39d61d857e5
SHA1

46cbc2ca9c592506e5c8791bf42aff8164ade4b8
SHA256

716c82c534a179738785e0917dde43f24d1ca1fb8a0a1826b651126aa46d1e26
SHA512

d054467396d1a0a447398f58f9567cb5966355664ee4be9d39b7a94546e259b38927b86ea510ccb16a787617e7b219047fac38f00e7920db80f6c2c5d91c98f3
SSDEEP

6144:7uF6+0bzq3bWc+a6rHOQUldy+PhwRMe20pLM/RJmv2RZ6TUPP:780vQWc+a6rHOQUGyypg/3mvmZ6TgP

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (130687) 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
706	sh
721	chmod

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	716c82c534a179738785e0917dde43f24d1ca1fb8a0a1826b651126aa46d1e26.elf
File opened for modification	/dev/misc/watchdog	716c82c534a179738785e0917dde43f24d1ca1fb8a0a1826b651126aa46d1e26.elf

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/bin/systemd	704	716c82c534a179738785e0917dde43f24d1ca1fb8a0a1826b651126aa46d1e26.elf

Reads runtime system information 3 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
File opened for reading	/proc/self/maps	716c82c534a179738785e0917dde43f24d1ca1fb8a0a1826b651126aa46d1e26.elf

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/systemd	sh

/tmp/716c82c534a179738785e0917dde43f24d1ca1fb8a0a1826b651126aa46d1e26.elf
/tmp/716c82c534a179738785e0917dde43f24d1ca1fb8a0a1826b651126aa46d1e26.elf
1⤵
- Modifies Watchdog functionality
- Changes its process name
- Reads runtime system information
PID:704
- /bin/sh
  /bin/sh -c "rm -rf bin/systemd && mkdir bin; >bin/systemd && mv /tmp/716c82c534a179738785e0917dde43f24d1ca1fb8a0a1826b651126aa46d1e26.elf bin/systemd; chmod 777 bin/systemd"
  2⤵
  - File and Directory Permissions Modification
  - Writes file to tmp directory
  PID:706
- - /usr/bin/rm
    rm -rf bin/systemd
    3⤵
    PID:709
- - /usr/bin/mkdir
    mkdir bin
    3⤵
    - Reads runtime system information
    PID:714
- - /usr/bin/mv
    mv /tmp/716c82c534a179738785e0917dde43f24d1ca1fb8a0a1826b651126aa46d1e26.elf bin/systemd
    3⤵
    - Reads runtime system information
    PID:717
- - /usr/bin/chmod
    chmod 777 bin/systemd
    3⤵
    - File and Directory Permissions Modification
    PID:721

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

Impair Defenses

T1562

Credential Access

Discovery

Network Service Discovery

T1046

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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