MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e37f4fa0e71402767605c95f7a96c841cb0027e82e0a2815e3b4a3ac04740310. 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: 13


Intelligence 13 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e37f4fa0e71402767605c95f7a96c841cb0027e82e0a2815e3b4a3ac04740310
SHA3-384 hash: ef312e4819f3795a4c65174c787fa5b2e42db2d1c3513e9a85eb8d5b09381cece8aa9c4fcee10b3bf76d8356eb3ac97d
SHA1 hash: f73da0fec862bb13c319baa4195b6bab2a60290c
MD5 hash: 2051ed0f6da097efee9b91cbc8fdb9b6
humanhash: white-magnesium-butter-eight
File name:bot.x86-20240324-1846
Download: download sample
Signature Mirai
Create hunting rule
File size:59'088 bytes
First seen:2024-03-24 18:46:12 UTC
Last seen:2024-03-24 22:04:48 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:1rqcMLOJpN50g6xK4GpsPKQSwNo+rWHIrqM0:1rqcMLOJtjl44mKQnNNChz
TLSH T15C434AC5F643D8F5DC9305701037BB265A36F0F51218E743D3A9AB76AC92702EA16A9C
telfhash t13331e5b22db21adcf3c1e948c71f97e31a39da7b1a6075b044b69c9437f2d524079931
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:mirai

Intelligence

File Origin
# of uploads :
33
# of downloads :
153
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
DNS request
Creates directories
Creating a file
Sends data to a server
Connection attempt
Launching a process
Substitutes an application name
Kills critical processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug lolbin mirai remote
Link:
https://www.filescan.io/uploads/6600752a7e414bfaaec0b693/reports/eec3ec19-e12e-467b-bd74-a0161160bd90/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
103.188.244.189
Number of open files:
46
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
37215
Full report:
https://elfdigest.com/brief/e37f4fa0e71402767605c95f7a96c841cb0027e82e0a2815e3b4a3ac04740310
Behaviour
Process Renaming
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/41477892-bf2a-4386-9304-12a85d39cac5
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1414763
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1414763 Sample: bot.x86-20240324-1846.elf Startdate: 24/03/2024 Architecture: LINUX Score: 100 33 botnet.nguyennghi.info 2->33 35 197.190.151.159 zain-asGH Ghana 2->35 37 99 other IPs or domains 2->37 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 6 other signatures 2->45 8 bot.x86-20240324-1846.elf 2->8         started        10 xfce4-session xfdesktop 2->10         started        12 xfce4-session xfdesktop 2->12         started        14 3 other processes 2->14 signatures3 process4 process5 16 bot.x86-20240324-1846.elf 8->16         started        18 bot.x86-20240324-1846.elf sh 8->18         started        process6 20 bot.x86-20240324-1846.elf 16->20         started        23 bot.x86-20240324-1846.elf 16->23         started        25 sh rm 18->25         started        27 sh mkdir 18->27         started        29 sh mv 18->29         started        31 sh chmod 18->31         started        signatures7 47 Sample tries to kill multiple processes (SIGKILL) 20->47
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/e37f4fa0e71402767605c95f7a96c841cb0027e82e0a2815e3b4a3ac04740310
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e37f4fa0e71402767605c95f7a96c841cb0027e82e0a2815e3b4a3ac04740310/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-03-24 16:26:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4n7u7ihhcqbhm5qfzfpxvfwiihfqaj7ifyfcqfpdwsr2ybduamia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery linux
Link:
https://tria.ge/reports/240324-xe665seh84/
Behaviour
Reads runtime system information
Writes file to tmp directory
Enumerates running processes
Changes its process name
Contacts a large (36348) 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:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e37f4fa0e71402767605c95f7a96c841cb0027e82e0a2815e3b4a3ac04740310

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:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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 e37f4fa0e71402767605c95f7a96c841cb0027e82e0a2815e3b4a3ac04740310

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2789105/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2789109/
  
URLhaus
https://urlhaus.abuse.ch/url/2789106/
  
URLhaus
https://urlhaus.abuse.ch/url/2789104/

Comments