MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
SHA3-384 hash: 6794e8798b440c04c5ccd6278c872aa70c5ca436344d4eb10ef59630f29da02ea1f132f66efa3ef8569625e39a311621
SHA1 hash: abf65a5b9bba69980278ad09356e53de8bb89439
MD5 hash: 6c583043d91c55aa470c08c87058e917
humanhash: kentucky-rugby-vegan-neptune
File name:lespim
Download: download sample
Signature Mirai
Create hunting rule
File size:155'208 bytes
First seen:2024-11-03 06:16:25 UTC
Last seen:2025-05-16 17:24:25 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:iDTElsfhWriM4eiANlb5calmCjXswi5itRx2p:Of4HZLNlbvmCjXswi5i3x2p
TLSH T1B5E3A51ABBA19FB7DC1BCD7706DA4601108CE44A52E96F6BB2B4C91CE38B94F04E3D54
telfhash t1bf31ffc2a07b4d692eb1a8148cb8cbb475dfaa12d7516eb0ef5dc98c442b1117702ecf
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
9
# of downloads :
93
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-9977145-0
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Unix.Trojan.Mirai-10032606-0
Create hunting rule

Unix.Trojan.Mirai-10033788-0
Create hunting rule

Unix.Trojan.Mirai-10034905-0
Create hunting rule

Unix.Packed.Botnet-6566031-0
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Unix.Dropper.Botnet-6566040-0
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Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672715ca8d23d90491330384linux22vpnfull_triage
Tags:
gafgyt mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Changes the time when the file was created, accessed, or modified
Creating a file
Launching a process
Runs as daemon
Opens a port
Changes access rights for a written file
Kills critical processes
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
android gcc lolbin remote
Link:
https://www.filescan.io/uploads/672715614a1409acc6fb8f1d/reports/fc6a3327-19e9-48c3-a49c-df2c907ff409/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
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/2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
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/cc58fd41-8d91-4178-b421-599839042a4d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1547835
Signature
Contains symbols with names commonly found in malware
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1547835 Sample: lespim.elf Startdate: 03/11/2024 Architecture: LINUX Score: 84 31 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->31 33 216.126.231.240, 36014, 37450, 443 ANYNODEUS United States 2->33 35 conn.masjesu.zip 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected Mirai 2->39 41 Contains symbols with names commonly found in malware 2->41 9 lespim.elf 2->9         started        signatures3 process4 process5 11 lespim.elf 9->11         started        13 lespim.elf 9->13         started        process6 15 lespim.elf sh 11->15         started        17 lespim.elf sh 11->17         started        19 lespim.elf 13->19         started        21 lespim.elf 13->21         started        process7 23 sh crontab 15->23         started        27 sh crontab 17->27         started        file8 29 /var/spool/cron/crontabs/tmp.S4v0wC, ASCII 23->29 dropped 43 Sample tries to persist itself using cron 23->43 45 Executes the "crontab" command typically for achieving persistence 23->45 signatures9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-11-02 19:57:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fvr4qgtyfbj67ztsuhm4wafdhhwfoid3ib2xksq3v4o7tl2gnfea._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution persistence privilege_escalatio
Link:
https://tria.ge/reports/241103-g134lswqfz/
Behaviour
Reads runtime system information
Creates/modifies Cron job
Enumerates running processes
Renames itself
Contacts a large (2136) amount of remote hosts
Creates a large amount of network flows
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7d83f177-7e88-4266-9d32-5f963dacb145
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

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:iot_req_metachar
Create hunting rule
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
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 2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3273145/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3273847/
  
URLhaus
https://urlhaus.abuse.ch/url/3274051/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments