MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb22c9545f540c52ffb46de07ec65c08c26d656590f1a92d7f7327297f46d8f8. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb22c9545f540c52ffb46de07ec65c08c26d656590f1a92d7f7327297f46d8f8
SHA3-384 hash: e41a9cfbf04efca885a6cd801e01a5d910b269c8927405c7f4ff7779ed36467120b27695284bc322af0c9e9c72fb0d9c
SHA1 hash: 4dc610b7bbebdbcf6088260129a964653ed39771
MD5 hash: 5b50dc6eb69da4e59f284b4549c93053
humanhash: bakerloo-colorado-florida-bulldog
File name:4
Download: download sample
Signature Mirai
Create hunting rule
File size:92'052 bytes
First seen:2025-01-12 14:35:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:bGnn24oWLbTfrAz4sGpiquEYoPcbWye+DM6ip/A4/NGRkxn0gIZgTeg:L1YM+MZPWo4/NGRADJT
TLSH T1C493FA86F981AA51C6C146B7BD2F015E33066BA8E2DE7313DD241B64778B51F0F27A0B
telfhash t112c08ce3c7d806ddb6e212e0a24ce9452758ad72630e38434185e84bc2c2a80f0aac2a
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 :
71
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6783d34a2c8240e189bc1bedlinux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Creating a file
Collects information on the network activity
Manages services
Connection attempt
Sets a written file as executable
Opens a port
Sends data to a server
Launching a process
Creating a file in the %temp% directory
Kills processes
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:
android anti-debug mirai
Link:
https://www.filescan.io/uploads/6783d341c9124156667faafd/reports/59f17317-c8e2-45e9-9877-3b0f9eb776db/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/fb22c9545f540c52ffb46de07ec65c08c26d656590f1a92d7f7327297f46d8f8
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b894ed9e-3518-4692-b9cf-bb90a6dc4d07
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1589451
Signature
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1589451 Sample: 4.elf Startdate: 12/01/2025 Architecture: LINUX Score: 64 58 Multi AV Scanner detection for submitted file 2->58 9 4.elf 2->9         started        13 dash rm 2->13         started        15 dash rm 2->15         started        17 7 other processes 2->17 process3 file4 52 /tmp/crontab.tmp, troff 9->52 dropped 54 /etc/init.d/hello, Bourne-Again 9->54 dropped 60 Sample tries to kill multiple processes (SIGKILL) 9->60 62 Drops files in suspicious directories 9->62 19 4.elf sh 9->19         started        21 4.elf 9->21         started        23 4.elf sh 9->23         started        25 2 other processes 9->25 signatures5 process6 process7 27 sh crontab 19->27         started        31 4.elf 21->31         started        33 sh systemctl 23->33         started        35 sh systemctl 25->35         started        37 sh 25->37         started        file8 56 /var/spool/cron/crontabs/tmp.2AwbOQ, troff 27->56 dropped 64 Sample tries to persist itself using cron 27->64 66 Executes the "crontab" command typically for achieving persistence 27->66 39 4.elf 31->39         started        41 4.elf 31->41         started        43 4.elf 31->43         started        45 3 other processes 31->45 signatures9 process10 process11 47 4.elf 39->47         started        50 4.elf 41->50         started        signatures12 68 Sample tries to kill multiple processes (SIGKILL) 47->68
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fb22c9545f540c52ffb46de07ec65c08c26d656590f1a92d7f7327297f46d8f8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb22c9545f540c52ffb46de07ec65c08c26d656590f1a92d7f7327297f46d8f8/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-12 14:36:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7mrmsvc7kqgff75unxqh5rs4bdbg2zlfsdy2sll7omtss72g3d4a._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution persistence privilege_escalatio privilege_escalation
Link:
https://tria.ge/reports/250112-rx1t7awlhv/
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 (77197) 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/3f407e2c-62b1-4883-9f41-00d4bb95e441
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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 fb22c9545f540c52ffb46de07ec65c08c26d656590f1a92d7f7327297f46d8f8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3396263/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3386683/

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