MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d7a2a182467276297c8a84a5d2840e7ee335fb985f63cda9e618b229973e1a2. 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 18 File information Comments
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SHA256 hash: 6d7a2a182467276297c8a84a5d2840e7ee335fb985f63cda9e618b229973e1a2
SHA3-384 hash: 625ef2aecb6feb89f401d06559a568aeccd821108d5d587ca175cd7689eba4a367ded09d3859dce84b508d8e59b252f6
SHA1 hash: 4e2b66521a16a174fcd6581357d289f1ede59cb1
MD5 hash: 307c851a7a0c4b7dd8afd2abd662480c
humanhash: cat-kansas-pennsylvania-zulu
File name:firmware.i586
Download: download sample
Signature Mirai
Create hunting rule
File size:95'380 bytes
First seen:2024-09-01 15:29:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:2UoxPa6IgF/tlrHa81oSxmJn9u6eucjFb3F9Ubij1DYxl3xQHrHhd+NP:RyP1IgF/D681xxco6RcjFb3F6b49YnCs
TLSH T1B6937DC6E6D3D8F1EC0215703037AF728A76E13F2126DA86E7ADA535ED52601D6073AC
telfhash t1ad4127f919be0cd1bbc05801f10e1f61bd5dab7f54b066a251b3183532a7d02927bc39
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 NDA0E
Tags:elf firmware mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135868-0
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Unix.Dropper.Mirai-7135891-0
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Unix.Dropper.Mirai-7135892-0
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Unix.Dropper.Mirai-7136013-0
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Unix.Dropper.Mirai-7136034-0
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Unix.Dropper.Mirai-7136057-0
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Unix.Dropper.Mirai-7136070-0
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Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9835278-0
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Unix.Trojan.Mirai-9835289-0
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Unix.Trojan.Mirai-9857931-0
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Unix.Trojan.Mirai-9858729-0
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Unix.Trojan.Mirai-9866113-0
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Unix.Trojan.Mirai-10027280-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Deleting a recently created file
Changes the time when the file was created, accessed, or modified
Creating a file in the %temp% directory
Kills processes
Receives data from a server
Runs as daemon
Sends data to a server
Sets a written file as executable
Connection attempt
Changes access rights for a written file
DNS request
Launching a process
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug botnet lolbin masquerade mirai remote
Link:
https://www.filescan.io/uploads/66d4887fcf394bc42d263b7d/reports/32bf6b65-e14a-46ec-9050-b4873ca2e736/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
13
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/6d7a2a182467276297c8a84a5d2840e7ee335fb985f63cda9e618b229973e1a2
Behaviour
Persistence
Process Renaming
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/b60d2cba-32e1-4002-883b-f2f2db79fc5c
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1502463
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Tries to resolve many domain names, but no domain seems valid
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1502463 Sample: firmware.i586.elf Startdate: 01/09/2024 Architecture: LINUX Score: 96 90 kaaf.ru 2->90 92 ecll.ru 2->92 94 326 other IPs or domains 2->94 104 Malicious sample detected (through community Yara rule) 2->104 106 Antivirus detection for dropped file 2->106 108 Antivirus / Scanner detection for submitted sample 2->108 110 4 other signatures 2->110 11 firmware.i586.elf 2->11         started        signatures3 process4 process5 13 firmware.i586.elf 11->13         started        signatures6 112 Drops files in suspicious directories 13->112 114 Sample tries to persist itself using cron 13->114 16 firmware.i586.elf 13->16         started        20 firmware.i586.elf sh 13->20         started        22 firmware.i586.elf 13->22         started        24 4 other processes 13->24 process7 file8 82 /var/spool/cron/crontabs/root, ASCII 16->82 dropped 84 /usr/bin/gpcwo, ELF 16->84 dropped 96 Drops files in suspicious directories 16->96 98 Sample tries to persist itself using cron 16->98 26 firmware.i586.elf sh 16->26         started        28 firmware.i586.elf 16->28         started        30 firmware.i586.elf 16->30         started        40 3 other processes 16->40 32 sh crontab 20->32         started        36 firmware.i586.elf sh 22->36         started        42 10 other processes 22->42 38 firmware.i586.elf sh 24->38         started        44 2 other processes 24->44 signatures9 process10 file11 46 sh crontab 26->46         started        50 firmware.i586.elf sh 28->50         started        58 11 other processes 28->58 52 firmware.i586.elf sh 30->52         started        60 2 other processes 30->60 86 /var/spool/cron/crontabs/tmp.1Z62b3, ASCII 32->86 dropped 100 Sample tries to persist itself using cron 32->100 102 Executes the "crontab" command typically for achieving persistence 32->102 54 sh hostname 36->54         started        56 sh hostname 38->56         started        62 10 other processes 42->62 64 2 other processes 44->64 signatures12 process13 file14 88 /var/spool/cron/crontabs/tmp.nFhVQ3, ASCII 46->88 dropped 116 Sample tries to persist itself using cron 46->116 118 Executes the "crontab" command typically for achieving persistence 46->118 66 sh hostname 50->66         started        68 sh hostname 52->68         started        70 sh hostname 58->70         started        72 sh hostname 58->72         started        74 sh hostname 58->74         started        80 8 other processes 58->80 76 sh hostname 60->76         started        78 sh hostname 60->78         started        signatures15 process16
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/6d7a2a182467276297c8a84a5d2840e7ee335fb985f63cda9e618b229973e1a2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6d7a2a182467276297c8a84a5d2840e7ee335fb985f63cda9e618b229973e1a2/
Threat name:
Linux.Backdoor.Mirai
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Status:
Malicious
First seen:
2024-09-01 04:10:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nv5cugbem4twff6ivbff2kca47xdgx5zqx3dzwu6mgfsfglt4gra._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery linux persistence rootkit
Link:
https://tria.ge/reports/240901-sxglzsvgka/
Behaviour
Creates/modifies Cron job
Write file to user bin folder
Loads a kernel module
Contacts a large (24407) amount of remote hosts
Creates a large amount of network flows
Mirai
Malware Config
C2 Extraction:
www.ckea.ru
www.akck.ru
45.152.112.46
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/6d7a2a182467276297c8a84a5d2840e7ee335fb985f63cda9e618b229973e1a2

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_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_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
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:Linux_Trojan_Mirai_fa3ad9d0
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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla
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Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 6d7a2a182467276297c8a84a5d2840e7ee335fb985f63cda9e618b229973e1a2

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3138652/
  
URLhaus
https://urlhaus.abuse.ch/url/3138683/
  
URLhaus
https://urlhaus.abuse.ch/url/3138716/
  
URLhaus
https://urlhaus.abuse.ch/url/3138738/
  
URLhaus
https://urlhaus.abuse.ch/url/3138767/
  
URLhaus
https://urlhaus.abuse.ch/url/3138768/
  
URLhaus
https://urlhaus.abuse.ch/url/3138796/
  
URLhaus
https://urlhaus.abuse.ch/url/3138800/

Comments