MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a15ba52d7b7b70bfcec4d4cd9ad74935fb7142dfef49ac90185485504b4d73e1. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a15ba52d7b7b70bfcec4d4cd9ad74935fb7142dfef49ac90185485504b4d73e1
SHA3-384 hash: a75c6f30ac2f1ca09e59314bf8cf9f29f8d44f78cfa6bcc186bbf87ea08fc9e2a7ee04e65c21b454900bfb11c4c6b8ab
SHA1 hash: 2fa9d86fc4b25c3f0839421923729561176ef638
MD5 hash: 77500354fda9993aec1af114ae9572ce
humanhash: rugby-carpet-mississippi-august
File name:armv4l-20230709-1715
Download: download sample
Signature Mirai
Create hunting rule
File size:112'206 bytes
First seen:2023-07-09 17:15:33 UTC
Last seen:2023-07-12 12:28:29 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:Ovfkb87iziYjbidq9HU7stvReR2RtIfXNoaVW4:p87xYjbiwHU7sG2RtIfXCaVW4
TLSH T12BB308C2AD427E33C2C2EBF6BBDBD24837F2561497DB3301A9997EB04A1A5CC1D19254
telfhash t1c821218124f285195f979a389cfc57b34a41621732151fb49e39c5cc683b0a1e73dc8a
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter elfdigest
Tags:mirai

Intelligence

File Origin
# of uploads :
70
# 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.Tsunami-9396652-0
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/64aaeb550e49d672f31ecc23/reports/8e8bd704-d058-4fe6-961d-b9e606ccc1e7/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
5.181.80.102
Number of open files:
144
Number of processes launched:
38
Processes remaning?
false
Remote TCP ports scanned:
22,5555
Full report:
https://elfdigest.com/brief/a15ba52d7b7b70bfcec4d4cd9ad74935fb7142dfef49ac90185485504b4d73e1
Behaviour
Persistence
Firewall Changes
Information Gathering
Kernel Modules
Botnet C2s
TCP botnet C2(s):
164.92.141.56:80
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b4a62567-2d4f-4f7c-bb86-6ae288365788
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1270648
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: 1270648 Sample: armv4l-20230709-1715.elf Startdate: 11/07/2023 Architecture: LINUX Score: 100 95 fucking.blackpeople.lol 2->95 97 102.146.90.98 ZAIN-ZAMBIAZM Zambia 2->97 99 99 other IPs or domains 2->99 101 Snort IDS alert for network traffic 2->101 103 Antivirus / Scanner detection for submitted sample 2->103 105 Multi AV Scanner detection for submitted file 2->105 107 3 other signatures 2->107 12 dash rm armv4l-20230709-1715.elf 2->12         started        15 dash cut 2->15         started        17 dash tr 2->17         started        19 6 other processes 2->19 signatures3 process4 signatures5 109 Sample deletes itself 12->109 21 armv4l-20230709-1715.elf 12->21         started        23 armv4l-20230709-1715.elf 12->23         started        process6 process7 25 armv4l-20230709-1715.elf 21->25         started        27 armv4l-20230709-1715.elf 21->27         started        29 armv4l-20230709-1715.elf 21->29         started        31 2 other processes 21->31 process8 33 armv4l-20230709-1715.elf 25->33         started        35 armv4l-20230709-1715.elf 25->35         started        37 armv4l-20230709-1715.elf 25->37         started        39 18 other processes 25->39 process9 41 armv4l-20230709-1715.elf 33->41         started        43 armv4l-20230709-1715.elf sh 35->43         started        47 armv4l-20230709-1715.elf sh 35->47         started        49 armv4l-20230709-1715.elf sh 37->49         started        51 armv4l-20230709-1715.elf sh 37->51         started        53 armv4l-20230709-1715.elf sh 39->53         started        55 armv4l-20230709-1715.elf sh 39->55         started        57 armv4l-20230709-1715.elf sh 39->57         started        59 34 other processes 39->59 file10 61 armv4l-20230709-1715.elf sh 41->61         started        65 armv4l-20230709-1715.elf sh 41->65         started        83 /etc/rc.local, ASCII 43->83 dropped 111 Sample tries to persist itself using System V runlevels 43->111 67 sh chmod 43->67         started        85 /etc/init.d/rcD, ASCII 49->85 dropped 113 Drops files in suspicious directories 49->113 69 sh chmod 49->69         started        87 /etc/profile, ASCII 53->87 dropped 115 Sample tries to persist itself using /etc/profile 53->115 89 /etc/cron.hourly/0, ASCII 55->89 dropped 117 Sample tries to persist itself using cron 55->117 71 sh iptables 57->71         started        91 /etc/passwd, ASCII 59->91 dropped 73 armv4l-20230709-1715.elf sh 59->73         started        75 armv4l-20230709-1715.elf sh 59->75         started        signatures11 process12 file13 93 /etc/init.d/multipath-tools, ASCII 61->93 dropped 119 Drops files in suspicious directories 61->119 77 sh chmod 61->77         started        121 Executes the "iptables" command to insert, remove and/or manipulate rules 71->121 79 sh su 73->79         started        81 sh 73->81         started        signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a15ba52d7b7b70bfcec4d4cd9ad74935fb7142dfef49ac90185485504b4d73e1/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2023-07-09 17:16:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ufn2kll3pnyl7twe2tgzvv2jgx5xcqw755e2zeaykscvas2nopqq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/230709-vs4xtsff2s/
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/a15ba52d7b7b70bfcec4d4cd9ad74935fb7142dfef49ac90185485504b4d73e1

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:myMirai
Create hunting rule
Description:Mirai
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 a15ba52d7b7b70bfcec4d4cd9ad74935fb7142dfef49ac90185485504b4d73e1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2676953/
  
Delivery method
Distributed via web download

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