MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb808d37979adf644f11e1e4dbde92463bf5ac7aab7d778829910bffdac66347. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb808d37979adf644f11e1e4dbde92463bf5ac7aab7d778829910bffdac66347
SHA3-384 hash: d3bd7727819d21f394d02caecc0cd3e9acd1ffb473d5e4095b92b733791d85463cc3adad2aad8ef6b01c3dcbaa11e7e4
SHA1 hash: 407d7879a272a9eb6a2c1f863f0854d8705f4f47
MD5 hash: a53d8be0cc3c9c3004669e519ef463ac
humanhash: five-mike-delaware-lactose
File name:5
Download: download sample
Signature Mirai
Create hunting rule
File size:92'028 bytes
First seen:2025-01-11 23:01:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:e/nqQ4DapMSQUwZsTfl7aw8iulAwBc6ugfR+lMxioX8IUGbdinKbSAyUX0v7p6dZ:kjJEw8iu7p8IUGb4fAyUX0v7p6
TLSH T18993FA86F981AA11C6C042B7BD2F059E330667A8E2DE7353DD241B64778B95F0F2790B
telfhash t169c08cda83b801dd27933094c0ce622923adfa8b0a0e602fa4406a8cc0d22427069c1b
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
154
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6782f86b2c8240e189bbf4cclinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Launching a process
Manages services
Connection attempt
Collects information on the network activity
Creating a file
Creating a file in the %temp% directory
Kills processes
Opens a port
Sets a written file as executable
Sends data to a server
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/6782f86cd0ec437b47a77cb9/reports/4ebe5f2b-d9b6-401f-8d77-d5c9901b3f9a/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cb808d37979adf644f11e1e4dbde92463bf5ac7aab7d778829910bffdac66347
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4df0ebdc-a306-4f67-83eb-48a249d2767f
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1589262
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1589262 Sample: 5.elf Startdate: 12/01/2025 Architecture: LINUX Score: 88 53 24.154.154.240, 35410, 35608, 37215 ACS-INTERNETUS United States 2->53 55 197.191.38.215 zain-asGH Ghana 2->55 57 98 other IPs or domains 2->57 59 Suricata IDS alerts for network traffic 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 2 other signatures 2->65 9 5.elf 2->9         started        13 xfce4-panel wrapper-2.0 2->13         started        15 xfce4-panel wrapper-2.0 2->15         started        17 5 other processes 2->17 signatures3 process4 file5 47 /tmp/crontab.tmp, troff 9->47 dropped 49 /etc/init.d/hello, Bourne-Again 9->49 dropped 67 Sample tries to kill multiple processes (SIGKILL) 9->67 69 Drops files in suspicious directories 9->69 19 5.elf sh 9->19         started        21 5.elf 9->21         started        23 5.elf sh 9->23         started        25 2 other processes 9->25 signatures6 process7 process8 27 sh crontab 19->27         started        31 5.elf 21->31         started        33 sh systemctl 23->33         started        35 sh systemctl 25->35         started        37 sh 25->37         started        file9 51 /var/spool/cron/crontabs/tmp.eG2xjq, troff 27->51 dropped 71 Sample tries to persist itself using cron 27->71 73 Executes the "crontab" command typically for achieving persistence 27->73 39 5.elf 31->39         started        41 5.elf 31->41         started        43 5.elf 31->43         started        45 5.elf 31->45         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cb808d37979adf644f11e1e4dbde92463bf5ac7aab7d778829910bffdac66347
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb808d37979adf644f11e1e4dbde92463bf5ac7aab7d778829910bffdac66347/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-11 23:02:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zoai2n4xtlpwityr4hsnxxusiy57lld2vn6xpcbjsef77wwgmndq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution persistence privilege_escalatio privilege_escalation
Link:
https://tria.ge/reports/250111-2z4c7stmez/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Executes dropped EXE
Contacts a large (67252) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/9cc88196-41dc-4025-a4e6-bff304007815
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/cb808d37979adf644f11e1e4dbde92463bf5ac7aab7d778829910bffdac66347

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d2dca9e7
Create hunting rule
Author:Elastic Security
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 cb808d37979adf644f11e1e4dbde92463bf5ac7aab7d778829910bffdac66347

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3393656/
  
Delivery method
Distributed via web download

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