MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 931b1fdbbaf49829ac46ee129e0c628624b7a315f0abd4bd229b4837b1e1ee02. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 931b1fdbbaf49829ac46ee129e0c628624b7a315f0abd4bd229b4837b1e1ee02
SHA3-384 hash: 740a8536154b1fefe218814ac36778baf4cae8b7fe01d5060fe50f51a04c812f060bac8361ce1c8a5133d4a8e93f7144
SHA1 hash: 9b8fe837d9377144542788a1e67dd6c7108d8977
MD5 hash: f795879fb5cabeed5af9dc0ca8733741
humanhash: princess-hydrogen-blossom-lion
File name:3
Download: download sample
Signature Mirai
Create hunting rule
File size:91'800 bytes
First seen:2025-01-10 03:47:02 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:OSbCX9DPHbIRScS6q/H37/Dq4q2wTWD2x0VmZGhUoF0M3eiSnHq:yXhU0cLq/X7/e3bpeVo0NF0M3edK
TLSH T1BA930A8AB881A612C3C256B7BB1F018D37165BA8F1DB3343AD351B71B3DA91F0E67506
telfhash t11511edfaaf62099c9bc5d1c8444e722a2fde76ac0f17341b92186f06c6c3591740d827
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 abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
144
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67809a2cc029bd73f288b41alinux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6780983b72a72c6ee1bfe1d6/reports/b23b7358-73de-4f97-8d07-b6430a94289e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/931b1fdbbaf49829ac46ee129e0c628624b7a315f0abd4bd229b4837b1e1ee02
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0a0aaa04-6358-4831-a304-5a9e9a42167c
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1587297
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1587297 Sample: 3.elf Startdate: 10/01/2025 Architecture: LINUX Score: 68 53 Multi AV Scanner detection for submitted file 2->53 10 3.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        17 8 other processes 2->17 process3 signatures4 63 Sample tries to kill multiple processes (SIGKILL) 10->63 19 3.elf 10->19         started        process5 process6 21 3.elf 19->21         started        file7 49 /tmp/crontab.tmp, ASCII 21->49 dropped 51 /etc/init.d/hello, Bourne-Again 21->51 dropped 61 Drops files in suspicious directories 21->61 25 3.elf sh 21->25         started        27 3.elf sh 21->27         started        29 3.elf sh 21->29         started        31 6 other processes 21->31 signatures8 process9 process10 33 sh crontab 25->33         started        37 sh update-rc.d 27->37         started        39 sh systemctl 29->39         started        41 sh systemctl 31->41         started        43 3.elf 31->43         started        file11 47 /var/spool/cron/crontabs/tmp.7kcNPq, ASCII 33->47 dropped 55 Sample tries to persist itself using cron 33->55 57 Executes the "crontab" command typically for achieving persistence 33->57 59 Sample tries to persist itself using System V runlevels 37->59 45 update-rc.d systemctl 37->45         started        signatures12 process13
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/931b1fdbbaf49829ac46ee129e0c628624b7a315f0abd4bd229b4837b1e1ee02
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/931b1fdbbaf49829ac46ee129e0c628624b7a315f0abd4bd229b4837b1e1ee02/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-10 03:48:03 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=smnr7w526smctlcg5yjj4ddcqyslpiyv6cv5jpjctnedpmpb5yba._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution persistence privilege_escalatio privilege_escalation
Link:
https://tria.ge/reports/250110-eb8xfs1kdv/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Contacts a large (77747) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d8e392d1-3abe-4e71-88da-767e4acc02d4
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/931b1fdbbaf49829ac46ee129e0c628624b7a315f0abd4bd229b4837b1e1ee02

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: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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_e9aef030
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 931b1fdbbaf49829ac46ee129e0c628624b7a315f0abd4bd229b4837b1e1ee02

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3353734/
  
Delivery method
Distributed via web download

Comments