MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5d016d6887f05f4655b10f693c457fbdc78b3f88520ffcd83243d8df6177d47. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5d016d6887f05f4655b10f693c457fbdc78b3f88520ffcd83243d8df6177d47
SHA3-384 hash: b5c8e8b9709a969d57ac407d4e3d84dd1493f4ccc1801db0b3ae7b59f89f3e3951282bcd93571f46fe7aab41bf747b63
SHA1 hash: 29d5a451f50042923f1819733fa8185d7826fcc5
MD5 hash: dec12c0791de3daa7274eff56063d5ab
humanhash: princess-cat-leopard-social
File name:armv7l-20230709-1715
Download: download sample
Signature Mirai
Create hunting rule
File size:164'872 bytes
First seen:2023-07-09 17:15:29 UTC
Last seen:2023-07-12 12:28:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:XCDawyJ8e9paHFRKF1YlHo5a4XnUlIU6YMF5M/9BbKwE0:DwySopaHFRKF1cHo5i2U6YMM/9Bpn
TLSH T163F32AC6DE427E23C1C26BB5FADBD14533E39714D3EB23059558AFB03B4BA990E16109
telfhash t1aa21418264f689186ba69d24ddfc97b34651131723041f704f3ec4cc592b092eb39c8a
Reporter elfdigest
Tags:gafgyt mirai

Intelligence

File Origin
# of uploads :
135
# of downloads :
96
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-69.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-78.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29523.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/64aaeb530e49d672f31ecc21/reports/d5003ec5-7c24-4eda-b41f-1380efe7250e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
5.181.80.102
Number of open files:
145
Number of processes launched:
80
Processes remaning?
false
Remote TCP ports scanned:
22,5555
Full report:
https://elfdigest.com/brief/a5d016d6887f05f4655b10f693c457fbdc78b3f88520ffcd83243d8df6177d47
Behaviour
Persistence
Firewall Changes
Information Gathering
Kernel Modules
Botnet C2s
TCP botnet C2(s):
134.122.45.28:80
43.204.217.160:80
35.72.132.42:80
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f3a8871e-dc1f-4196-bed1-cdf360f496b4
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1270650
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Executes the "iptables" command to insert, remove and/or manipulate rules
Found strings indicative of a multi-platform dropper
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1270650 Sample: armv7l-20230709-1715.elf Startdate: 11/07/2023 Architecture: LINUX Score: 100 89 191.61.217.87 NEXTELTELECOMUNICACOESLTDABR Brazil 2->89 91 fucking.blackpeople.lol 2->91 93 99 other IPs or domains 2->93 95 Snort IDS alert for network traffic 2->95 97 Antivirus / Scanner detection for submitted sample 2->97 99 Multi AV Scanner detection for submitted file 2->99 101 3 other signatures 2->101 12 armv7l-20230709-1715.elf 2->12         started        signatures3 process4 signatures5 115 Sample deletes itself 12->115 15 armv7l-20230709-1715.elf 12->15         started        17 armv7l-20230709-1715.elf 12->17         started        process6 process7 19 armv7l-20230709-1715.elf 15->19         started        21 armv7l-20230709-1715.elf 15->21         started        23 armv7l-20230709-1715.elf 15->23         started        25 2 other processes 15->25 process8 27 armv7l-20230709-1715.elf 19->27         started        29 armv7l-20230709-1715.elf 19->29         started        31 armv7l-20230709-1715.elf 19->31         started        33 18 other processes 19->33 process9 35 armv7l-20230709-1715.elf 27->35         started        37 armv7l-20230709-1715.elf sh 29->37         started        41 armv7l-20230709-1715.elf sh 29->41         started        43 armv7l-20230709-1715.elf sh 31->43         started        45 armv7l-20230709-1715.elf sh 31->45         started        47 armv7l-20230709-1715.elf sh 33->47         started        49 armv7l-20230709-1715.elf sh 33->49         started        51 armv7l-20230709-1715.elf sh 33->51         started        53 34 other processes 33->53 file10 55 armv7l-20230709-1715.elf sh 35->55         started        59 armv7l-20230709-1715.elf sh 35->59         started        77 /etc/rc.local, ASCII 37->77 dropped 103 Sample tries to persist itself using System V runlevels 37->103 61 sh chmod 37->61         started        79 /etc/init.d/rcD, ASCII 43->79 dropped 105 Drops files in suspicious directories 43->105 63 sh chmod 43->63         started        81 /etc/profile, ASCII 47->81 dropped 107 Sample tries to persist itself using /etc/profile 47->107 83 /etc/cron.hourly/0, ASCII 49->83 dropped 109 Sample tries to persist itself using cron 49->109 65 sh iptables 51->65         started        85 /etc/passwd, ASCII 53->85 dropped 67 armv7l-20230709-1715.elf sh 53->67         started        69 armv7l-20230709-1715.elf sh 53->69         started        signatures11 process12 file13 87 /etc/init.d/multipath-tools, ASCII 55->87 dropped 111 Drops files in suspicious directories 55->111 71 sh chmod 55->71         started        113 Executes the "iptables" command to insert, remove and/or manipulate rules 65->113 73 sh su 67->73         started        75 sh 67->75         started        signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a5d016d6887f05f4655b10f693c457fbdc78b3f88520ffcd83243d8df6177d47/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2023-07-09 17:16:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uxibnvuip4c7izk3cd3jhrcx7pohrm7yquqp7tmdeq6y35qxpvdq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/230709-vs4xtseh46/
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads system network configuration
Modifies Bash startup script
Modifies init.d
Modifies rc script
Writes file to system bin folder
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Modifies password files for system users/ groups
Contacts a large (480974) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a5d016d6887f05f4655b10f693c457fbdc78b3f88520ffcd83243d8df6177d47

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf a5d016d6887f05f4655b10f693c457fbdc78b3f88520ffcd83243d8df6177d47

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2676523/
  
Delivery method
Distributed via web download

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