MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6343f61a74b6dd4944ece328fa549deb751ebedcc13ce49c6bf3bd81d27a3a1. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a6343f61a74b6dd4944ece328fa549deb751ebedcc13ce49c6bf3bd81d27a3a1
SHA3-384 hash: fc2da3872ef5abd15a76ace33c72e287c92f864c152d7c358380322a21bcab494c495d9df178899cd23602688e301616
SHA1 hash: 759330949a503683c14bebd638a9b39c4866e486
MD5 hash: 497dfe70f6558f592636356c663feba0
humanhash: network-nine-red-ohio
File name:armv7l-20230706-2013
Download: download sample
Signature Mirai
Create hunting rule
File size:158'889 bytes
First seen:2023-07-06 20:13:55 UTC
Last seen:2023-07-06 20:39:05 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:cr2/YHWvGKa0rWfklJfPCeVi0y3Sj8SvrkHM/96VxebbGv:oKGKa0rWfkltCeXYSvrwM/96ViC
TLSH T15BF32BC6EB427E27C1C26BB5FBDBD24533E3971093DB23059558AFF02B4BA990E16109
telfhash t19421108664f68919abb65d34ddfc97b24691122322442f709f2ec4d8593b002eb39c8a
Reporter elfdigest
Tags:mirai

Intelligence

File Origin
# of uploads :
4
# of downloads :
79
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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin mirai remote
Link:
https://www.filescan.io/uploads/64a7208b784d6094d919fabd/reports/5b4669c9-26c5-474c-85b9-404f646d0da5/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
5.181.80.102
Number of open files:
104
Number of processes launched:
79
Processes remaning?
false
Remote TCP ports scanned:
80,5555
Full report:
https://elfdigest.com/brief/a6343f61a74b6dd4944ece328fa549deb751ebedcc13ce49c6bf3bd81d27a3a1
Behaviour
Persistence
Firewall Changes
Kernel Modules
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0a91d53e-6b9d-4ce4-826d-1c8b1fc44958
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1268564
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1268564 Sample: armv7l-20230706-2013.elf Startdate: 06/07/2023 Architecture: LINUX Score: 96 89 fucking.blackpeople.lol 2->89 91 221.165.115.214 YSU-AS-KRyoungsanuniversityKR Korea Republic of 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 2 other signatures 2->101 12 armv7l-20230706-2013.elf 2->12         started        signatures3 process4 signatures5 115 Sample deletes itself 12->115 15 armv7l-20230706-2013.elf 12->15         started        17 armv7l-20230706-2013.elf 12->17         started        process6 process7 19 armv7l-20230706-2013.elf 15->19         started        21 armv7l-20230706-2013.elf 15->21         started        23 armv7l-20230706-2013.elf 15->23         started        25 armv7l-20230706-2013.elf 15->25         started        process8 27 armv7l-20230706-2013.elf 19->27         started        29 armv7l-20230706-2013.elf 19->29         started        31 armv7l-20230706-2013.elf 19->31         started        33 18 other processes 19->33 process9 35 armv7l-20230706-2013.elf 27->35         started        37 armv7l-20230706-2013.elf sh 29->37         started        41 armv7l-20230706-2013.elf sh 29->41         started        43 armv7l-20230706-2013.elf sh 31->43         started        45 armv7l-20230706-2013.elf sh 31->45         started        47 armv7l-20230706-2013.elf sh 33->47         started        49 armv7l-20230706-2013.elf sh 33->49         started        51 armv7l-20230706-2013.elf sh 33->51         started        53 34 other processes 33->53 file10 55 armv7l-20230706-2013.elf sh 35->55         started        59 armv7l-20230706-2013.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-20230706-2013.elf sh 53->67         started        69 armv7l-20230706-2013.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/a6343f61a74b6dd4944ece328fa549deb751ebedcc13ce49c6bf3bd81d27a3a1/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2023-07-06 20:14:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uy2d6ynhjnw5jfcozyzi7jkj323vd27nzqj44sogx455qhjhuoqq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/230706-yzzhgafc3w/
Behaviour
Reads runtime system information
Writes file to tmp directory
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Modifies password files for system users/ groups
Contacts a large (158231) 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/a6343f61a74b6dd4944ece328fa549deb751ebedcc13ce49c6bf3bd81d27a3a1

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: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 a6343f61a74b6dd4944ece328fa549deb751ebedcc13ce49c6bf3bd81d27a3a1

(this sample)

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

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