mirai | e2ebaa64590a5ee4249be1380fc0ab8386a9e425cabb4646028d69fb502ccc17

Analysis

max time kernel
149s
max time network
151s
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
14-11-2024 03:13

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General

Target

e2ebaa64590a5ee4249be1380fc0ab8386a9e425cabb4646028d69fb502ccc17.elf
Size

61KB
MD5

b5c3047b6f517981a80e6e8910f97e7f
SHA1

e63b84208378269256923b55ae761800207c0e7e
SHA256

e2ebaa64590a5ee4249be1380fc0ab8386a9e425cabb4646028d69fb502ccc17
SHA512

554bffaeb5ca19eb36776bb01a3a2e793cb63e4ee23eaa8d3c258d94124a04b5e0c6b496c119f387826fe3afde9fec395ad1b41487076fb18b94cd435fbcb31f
SSDEEP

1536:gz3fTxnj8Uz2WY4aubeMIR02jRp13D0SOj5fiU:GrxjzztY4FgRntyliU

Score

10^/10

mirai mirai botnet defense_evasion discovery

Malware Config

Extracted

Family

mirai

Botnet

MIRAI

Signatures

Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet mirai
Mirai family
mirai
Contacts a large (23828) 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

Processes:

shchmod

pid process

641 sh
652 chmod

pid	process
641	sh
652	chmod

Changes its process name 1 IoCs

Processes:

e2ebaa64590a5ee4249be1380fc0ab8386a9e425cabb4646028d69fb502ccc17.elf

description	ioc	pid	process
Changes the process name, possibly in an attempt to hide itself	/bin/watchdog	639	e2ebaa64590a5ee4249be1380fc0ab8386a9e425cabb4646028d69fb502ccc17.elf

Reads runtime system information 3 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

mve2ebaa64590a5ee4249be1380fc0ab8386a9e425cabb4646028d69fb502ccc17.elfmkdir

description	ioc	process
File opened for reading	/proc/filesystems	mv
File opened for reading	/proc/self/exe	e2ebaa64590a5ee4249be1380fc0ab8386a9e425cabb4646028d69fb502ccc17.elf
File opened for reading	/proc/filesystems	mkdir

Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.

Processes:

sh

description ioc process

File opened for modification /tmp/bin/watchdog sh

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

/tmp/e2ebaa64590a5ee4249be1380fc0ab8386a9e425cabb4646028d69fb502ccc17.elf
/tmp/e2ebaa64590a5ee4249be1380fc0ab8386a9e425cabb4646028d69fb502ccc17.elf
1⤵
- Changes its process name
- Reads runtime system information
PID:639
- /bin/sh
  /bin/sh -c "rm -rf bin/watchdog && mkdir bin; >bin/watchdog && mv /tmp/e2ebaa64590a5ee4249be1380fc0ab8386a9e425cabb4646028d69fb502ccc17.elf bin/watchdog; chmod 777 bin/watchdog"
  2⤵
  - File and Directory Permissions Modification
  - Writes file to tmp directory
  PID:641
- - /bin/rm
    rm -rf bin/watchdog
    3⤵
    PID:643
- - /bin/mkdir
    mkdir bin
    3⤵
    - Reads runtime system information
    PID:645
- - /bin/mv
    mv /tmp/e2ebaa64590a5ee4249be1380fc0ab8386a9e425cabb4646028d69fb502ccc17.elf bin/watchdog
    3⤵
    - Reads runtime system information
    PID:649
- - /bin/chmod
    chmod 777 bin/watchdog
    3⤵
    - File and Directory Permissions Modification
    PID:652

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/639-1-0x00008000-0x0002d424-memory.dmp

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