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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20fd8a6487fa9be0ccc353b5cbd9a2852081ee0f221a617a6d40030981b40153. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 20fd8a6487fa9be0ccc353b5cbd9a2852081ee0f221a617a6d40030981b40153
SHA3-384 hash: 5d7eb05745fb50c1eb0c0e4ff653a6c045db9b69fe0a35af671c85cfcf6fa302087552dab14cc1ebc8d0cf66a47ac348
SHA1 hash: 26b5b5c4b12084b0809b079c04380b5e20889ae1
MD5 hash: 361ad5318a419b87901ee5e007df7f01
humanhash: double-tennis-india-equal
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:173'688 bytes
First seen:2024-12-21 18:35:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:SsdHf6qiW4Cd6JwsmVhLXphfGiaUfsKB3rYmWVaEWKF85+LYRM/9TvgE:SsdHf6qqCd6RiXrOiaUfsKBcmAN25+Lh
TLSH T114042B46EA414B23C0D7177AFA9F414A3322D794D3D7730699286FB43FC669E0E63A06
telfhash t122210fb1573652256a61cda889eea7a2512c97072345ff33df26809c540a08ed437c0f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
159
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
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Unix.Trojan.Mirai-9760303-0
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Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67670a9575bf3268d2fd849alinux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin mirai remote
Link:
https://www.filescan.io/uploads/67670a947bbc7aaa4c96b8ad/reports/d9bc85c8-da72-45f8-b068-b37d000c9362/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
23
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/20fd8a6487fa9be0ccc353b5cbd9a2852081ee0f221a617a6d40030981b40153
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0ebff944-ddab-4a37-9715-81caa14dd666
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1579338
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1579338 Sample: arm7.elf Startdate: 21/12/2024 Architecture: LINUX Score: 92 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 3 other signatures 2->32 8 arm7.elf 2->8         started        process3 process4 10 arm7.elf 8->10         started        12 arm7.elf 8->12         started        14 arm7.elf 8->14         started        process5 16 arm7.elf 10->16         started        18 arm7.elf 10->18         started        20 arm7.elf 10->20         started        22 arm7.elf 10->22         started        process6 24 arm7.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/20fd8a6487fa9be0ccc353b5cbd9a2852081ee0f221a617a6d40030981b40153
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/20fd8a6487fa9be0ccc353b5cbd9a2852081ee0f221a617a6d40030981b40153/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-12-21 18:36:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ed6yuzeh7kn6btgdko24xwncquqid3qpeingc6tniabqtanuafjq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:owari defense_evasion discovery
Link:
https://tria.ge/reports/241221-w8wrtswnbk/
Behaviour
Reads runtime system information
Changes its process name
Modifies Watchdog functionality
Contacts a large (48752) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan gafgyt botnet mirai Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024 MAL_ELF_LNX_Mirai_Oct10_2
Link:
https://app.threat.zone/submission/d12d2f5f-9b39-404f-b731-05048d4b28fe
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/20fd8a6487fa9be0ccc353b5cbd9a2852081ee0f221a617a6d40030981b40153

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
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Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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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 20fd8a6487fa9be0ccc353b5cbd9a2852081ee0f221a617a6d40030981b40153

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3357862/
  
Delivery method
Distributed via web download

Comments