MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3acae58d3eee41939f3d1b9f96bceec757ab7320a7dcb2e50954a7c71e437681. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3acae58d3eee41939f3d1b9f96bceec757ab7320a7dcb2e50954a7c71e437681
SHA3-384 hash: 4a1342b2f8f95be299b3b58ee07f38f7d6404a738e727491094cc6c665569229f28870e837666645759ec2631c77185e
SHA1 hash: 5373c75e3b2c1e0a9176753d0d00ef25207796be
MD5 hash: 1f7962f8e2708017e911356bd757a2c3
humanhash: nevada-charlie-march-nebraska
File name:arm7-20241104-0018
Download: download sample
Signature Mirai
Create hunting rule
File size:104'852 bytes
First seen:2024-11-04 00:18:16 UTC
Last seen:2024-11-04 02:24:29 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:FinUc/4KvNLvHqHY+4/QnsasEPvS7sHTvlmlc9ivcfwWTu2SMTZUYHQY9X:Fwo34/QnsasyvS7sT8Owku2SMTujY9X
TLSH T152A31946B9819F11D4D621FAFB9E414933136FB8E3FA7101DD20AFA423CA9DB0E76512
telfhash t1e5d0c2e3ec6169e5a7d09701c00ab2164ee831ca4f12d976108d1b99c543e61785a424
Magika elf
Reporter elfdigest
Tags:mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
82
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31076.LX.BOT.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672812fd8d23d90491333c5blinux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Mounts file systems
Connection attempt
Changes the time when the file was created, accessed, or modified
Sends data to a server
Receives data from a server
Creating a file
Launching a process
Runs as daemon
Opens a port
Changes access rights for a written file
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug chacha expand gcc lolbin remote
Link:
https://www.filescan.io/uploads/672812f73315c51977754e5a/reports/635c751e-357d-4977-83ee-ead9d028ce1a/overview
Result
Verdict:
UNKNOWN
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3e4f49f0-f406-45df-88c0-cdda12a22f9a
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1548130
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1548130 Sample: arm7-20241104-0018.elf Startdate: 04/11/2024 Architecture: LINUX Score: 64 40 31.13.248.89, 21164, 22603, 47916 NETERRA-ASBG Bulgaria 2->40 42 kingstonwikkerink.dyn 91.149.238.18, 16334, 43136, 50328 MARTON-ASPL Poland 2->42 44 8 other IPs or domains 2->44 48 Multi AV Scanner detection for submitted file 2->48 50 Connects to many ports of the same IP (likely port scanning) 2->50 9 arm7-20241104-0018.elf 2->9         started        signatures3 process4 file5 38 /root/.bashrc, ASCII 9->38 dropped 56 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 9->56 13 arm7-20241104-0018.elf sh 9->13         started        15 arm7-20241104-0018.elf 9->15         started        17 arm7-20241104-0018.elf sh 9->17         started        19 2 other processes 9->19 signatures6 process7 process8 21 sh crontab 13->21         started        25 sh 13->25         started        27 arm7-20241104-0018.elf 15->27         started        29 arm7-20241104-0018.elf 15->29         started        31 sh 17->31         started        file9 36 /var/spool/cron/crontabs/tmp.JHts24, ASCII 21->36 dropped 52 Sample tries to persist itself using cron 21->52 54 Executes the "crontab" command typically for achieving persistence 21->54 33 sh crontab 25->33         started        signatures10 process11 signatures12 46 Executes the "crontab" command typically for achieving persistence 33->46
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3acae58d3eee41939f3d1b9f96bceec757ab7320a7dcb2e50954a7c71e437681
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3acae58d3eee41939f3d1b9f96bceec757ab7320a7dcb2e50954a7c71e437681/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-11-04 00:19:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hlfoldj65zazhhz5dopznphoy5l2w4zau7olfzijkst4ohsdo2aq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalatio privilege_escalation
Link:
https://tria.ge/reports/241104-al64dsycnc/
Behaviour
Command and Scripting Interpreter: Unix Shell
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Creates/modifies Cron job
Modifies systemd
File and Directory Permissions Modification
Renames itself
Unexpected DNS network traffic destination
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/818e7da3-795e-440c-9a8a-07ae64615e35
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/3acae58d3eee41939f3d1b9f96bceec757ab7320a7dcb2e50954a7c71e437681

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: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: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 3acae58d3eee41939f3d1b9f96bceec757ab7320a7dcb2e50954a7c71e437681

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3268001/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3269643/
  
URLhaus
https://urlhaus.abuse.ch/url/3192590/

Comments