MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfe2c47fb519b7d3383c8a0ac857b399960f04dfdc61a68a86592cb2ede5b471. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cfe2c47fb519b7d3383c8a0ac857b399960f04dfdc61a68a86592cb2ede5b471
SHA3-384 hash: 2fe73c07d2e18e6c638d4841052e41b1c34a1c91afe8b0a90c2e69cb871473c6aa85a41bc7b73467fc167788d150cb9e
SHA1 hash: 3c4eb69c00383c685d39ac0cd8586dda24b90b69
MD5 hash: 6b83021aff7f7346a9ee2de629217b84
humanhash: hot-delaware-stairway-mirror
File name:mipsel-20230706-2123
Download: download sample
Signature Mirai
Create hunting rule
File size:119'609 bytes
First seen:2023-07-06 21:23:52 UTC
Last seen:2023-07-07 11:43:05 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:+vdX7QeSHi3yzdDfRdvv7iS3B5OR4jId4:g2eSHi3YDfRV7iS3B5ORCId4
TLSH T158C3F987AF223E77D8CBEFB786E6D70420DE580317A6276674B4DC74A20E48E14D3568
telfhash t14c21218124f689195f9699389cfc56b34a41621732052fb49d3985dc583b0a1e73dc8a
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:gafgyt mirai

Intelligence

File Origin
# of uploads :
11
# of downloads :
81
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.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug lolbin mirai remote
Link:
https://www.filescan.io/uploads/64a730f760057e50068476f4/reports/86bc5c45-57e6-470a-91d6-d109b61895a7/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
5.181.80.102
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cfe2c47fb519b7d3383c8a0ac857b399960f04dfdc61a68a86592cb2ede5b471
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/335faaae-2cfc-4eeb-96e5-23d37c795d8e
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1268603
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
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1268603 Sample: mipsel-20230706-2123.elf Startdate: 06/07/2023 Architecture: LINUX Score: 96 89 fucking.blackpeople.lol 2->89 91 221.165.115.250, 5555 YSU-AS-KRyoungsanuniversityKR Korea Republic of 2->91 93 99 other IPs or domains 2->93 95 Antivirus / Scanner detection for submitted sample 2->95 97 Multi AV Scanner detection for submitted file 2->97 99 Yara detected Mirai 2->99 101 2 other signatures 2->101 12 mipsel-20230706-2123.elf 2->12         started        signatures3 process4 signatures5 115 Sample deletes itself 12->115 15 mipsel-20230706-2123.elf 12->15         started        17 mipsel-20230706-2123.elf 12->17         started        process6 process7 19 mipsel-20230706-2123.elf 15->19         started        21 mipsel-20230706-2123.elf 15->21         started        23 mipsel-20230706-2123.elf 15->23         started        25 2 other processes 15->25 process8 27 mipsel-20230706-2123.elf 19->27         started        29 mipsel-20230706-2123.elf 19->29         started        31 mipsel-20230706-2123.elf 19->31         started        33 18 other processes 19->33 process9 35 mipsel-20230706-2123.elf 27->35         started        37 mipsel-20230706-2123.elf sh 29->37         started        41 mipsel-20230706-2123.elf sh 29->41         started        43 mipsel-20230706-2123.elf sh 31->43         started        45 mipsel-20230706-2123.elf sh 31->45         started        47 mipsel-20230706-2123.elf sh 33->47         started        49 mipsel-20230706-2123.elf sh 33->49         started        51 mipsel-20230706-2123.elf sh 33->51         started        53 34 other processes 33->53 file10 55 mipsel-20230706-2123.elf sh 35->55         started        59 mipsel-20230706-2123.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 mipsel-20230706-2123.elf sh 53->67         started        69 mipsel-20230706-2123.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/cfe2c47fb519b7d3383c8a0ac857b399960f04dfdc61a68a86592cb2ede5b471/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2023-07-06 21:24:08 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z7rmi75vdg35gob4rifmqv5ttgla6bg73rq2ncuglewlf3pfwryq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/230706-z8184afd7v/
Behaviour
Writes file to tmp directory
Reads system network configuration
Enumerates active TCP sockets
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Contacts a large (3949) amount of remote hosts
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/cfe2c47fb519b7d3383c8a0ac857b399960f04dfdc61a68a86592cb2ede5b471

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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: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 cfe2c47fb519b7d3383c8a0ac857b399960f04dfdc61a68a86592cb2ede5b471

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2676950/
  
Delivery method
Distributed via web download

Comments