mirai | 6308353b159b2eda886a444788e50a4ddd1f975c37923eefd9bd81d7a12ac79d

Analysis

max time kernel
149s
max time network
151s
platform
debian-9_mipsel
resource
debian9-mipsel-20240611-en
resource tags

arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
02-10-2024 01:19

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General

Target

6308353b159b2eda886a444788e50a4ddd1f975c37923eefd9bd81d7a12ac79d.elf
Size

37KB
MD5

82f0be49be68bb081a66b148a403ef97
SHA1

ba6a8dd1699918285fe79281eabafbcc9e5c4607
SHA256

6308353b159b2eda886a444788e50a4ddd1f975c37923eefd9bd81d7a12ac79d
SHA512

1336ca8fa1d407f22fe40ec6193b0b9538b2e5471b9584770cd3ac969ed7694fc6bda38ce4c85ceca6fc87ff0186461a1a99df110c8f3cd225d1a56111f21235
SSDEEP

768:PtiNiNdNpdTleEbUzNSINoBoxjB+/LXvwXeso1onP8Sw4WMj:kNiNdNHQEIKZ/LYePI

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
Contacts a large (23675) 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
721	chmod
712	sh

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/bin/systemd	711	6308353b159b2eda886a444788e50a4ddd1f975c37923eefd9bd81d7a12ac79d.elf

Reads runtime system information 3 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/self/exe	6308353b159b2eda886a444788e50a4ddd1f975c37923eefd9bd81d7a12ac79d.elf
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/filesystems	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/systemd	sh

/tmp/6308353b159b2eda886a444788e50a4ddd1f975c37923eefd9bd81d7a12ac79d.elf
/tmp/6308353b159b2eda886a444788e50a4ddd1f975c37923eefd9bd81d7a12ac79d.elf
1⤵
- Changes its process name
- Reads runtime system information
PID:711
- /bin/sh
  sh -c "rm -rf bin/systemd && mkdir bin; >bin/systemd && mv /tmp/6308353b159b2eda886a444788e50a4ddd1f975c37923eefd9bd81d7a12ac79d.elf bin/systemd; chmod 777 bin/systemd"
  2⤵
  - File and Directory Permissions Modification
  - Writes file to tmp directory
  PID:712
- - /bin/rm
    rm -rf bin/systemd
    3⤵
    PID:714
- - /bin/mkdir
    mkdir bin
    3⤵
    - Reads runtime system information
    PID:715
- - /bin/mv
    mv /tmp/6308353b159b2eda886a444788e50a4ddd1f975c37923eefd9bd81d7a12ac79d.elf bin/systemd
    3⤵
    - Reads runtime system information
    PID:717
- - /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

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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