MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37d405a2afcd051f24faa7d536ac292e28148575a2ee02766b92046f413a3c57. 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 10 File information Comments
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SHA256 hash: 37d405a2afcd051f24faa7d536ac292e28148575a2ee02766b92046f413a3c57
SHA3-384 hash: 5c2b7693885ea05cb3b31c04bba4b95c269a3d6160f1e133a0c76db228931ec499aca9e6450f6ff9c0d71d18c55fcbfc
SHA1 hash: 1f23e2e0453fb22c768eb6fa755fcf02907db309
MD5 hash: c9d58f928c58243c3bbece3060bb29ba
humanhash: eighteen-delaware-white-mango
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:113'684 bytes
First seen:2025-07-12 11:30:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:nFXoKhA2swnCz/aG/I7GawDzKq4sSyTo/5m2vrnfhD:nFXod2swCzCOkGawDzKq4stoo2DnJD
TLSH T1ABB3175AF8819B11D9D666BBFA1E0189331317ACE3EE7212DD205B2467CE92F0F7B501
telfhash t16b2133d6ce5d5e4ca3c14004838fb03a8ef832f207a46691df5e1b5f864395771ad435
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
14
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29229.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30481.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135965-0
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

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

Unix.Trojan.Mirai-10027280-0
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Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6872478a900df8e7f86a1e52linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Kills processes
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Kills critical processes
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
botnet mirai obfuscated rust
Link:
https://www.filescan.io/uploads/6872478e425a30d7acd780af/reports/626a5967-7113-40e0-b2b2-52d5cfa462d7/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/dbc3e26b-690d-481a-82a2-094fb8cd84fa
Behavior Graph:
Download SVG
%3 guuid=cd76ccb6-1a00-0000-565f-20d8a80a0000 pid=2728 /usr/bin/sudo guuid=13d104b9-1a00-0000-565f-20d8b00a0000 pid=2736 /tmp/sample.bin guuid=cd76ccb6-1a00-0000-565f-20d8a80a0000 pid=2728->guuid=13d104b9-1a00-0000-565f-20d8b00a0000 pid=2736 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1bb6fa23-77f5-46ea-8ada-ecec4296a63f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1734700
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1734700 Sample: arm7.elf Startdate: 12/07/2025 Architecture: LINUX Score: 100 39 197.190.238.208 zain-asGH Ghana 2->39 41 207.98.204.166 WOW-INTERNETUS United States 2->41 43 99 other IPs or domains 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 2 other signatures 2->51 9 arm7.elf 2->9         started        11 systemd rsyslogd 2->11         started        14 systemd rsyslogd 2->14         started        16 34 other processes 2->16 signatures3 process4 file5 18 arm7.elf 9->18         started        37 /var/log/kern.log, ASCII 11->37 dropped process6 process7 20 arm7.elf 18->20         started        23 arm7.elf 18->23         started        25 arm7.elf 18->25         started        27 2 other processes 18->27 signatures8 53 Manipulation of devices in /dev 20->53 55 Deletes system log files 20->55 29 arm7.elf 20->29         started        31 arm7.elf 20->31         started        33 arm7.elf 20->33         started        35 169 other processes 20->35 57 Sample tries to kill multiple processes (SIGKILL) 23->57 process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/37d405a2afcd051f24faa7d536ac292e28148575a2ee02766b92046f413a3c57
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/37d405a2afcd051f24faa7d536ac292e28148575a2ee02766b92046f413a3c57/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-12 11:35:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7kalivpzucr6jh2u7ktnlbjfyubjblvulxae5tlsicg6qj2hrlq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access defense_evasion discovery
Link:
https://tria.ge/reports/250712-nmvcwaep31/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (733) amount of remote hosts
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Dropper.Mirai-7135965-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Mirai_0bce98a2
Link:
https://app.threat.zone/submission/f39b75a3-4cad-45b0-b286-0abb451c5ecb
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/37d405a2afcd051f24faa7d536ac292e28148575a2ee02766b92046f413a3c57

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Unpack
Create hunting rule
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 37d405a2afcd051f24faa7d536ac292e28148575a2ee02766b92046f413a3c57

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576618/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3570260/

Comments