MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4823fffcb1f3e63b2e957acecae9f1d98333a673c7ce6dab2ce96124654b3b5. 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: a4823fffcb1f3e63b2e957acecae9f1d98333a673c7ce6dab2ce96124654b3b5
SHA3-384 hash: ff7ef5f7336eeee0809f2ff8d0fbfd16715d74e439ea899e8c8a03a85ff660196870e3c7beb64208fe1899b6d50dc198
SHA1 hash: 634a462c2c4c61f67c54992cad503cf06fd54316
MD5 hash: 9acb6a7de05212d2dc70819b3833b9f6
humanhash: kansas-hydrogen-mike-vermont
File name:k5
Download: download sample
Signature Mirai
Create hunting rule
File size:76'160 bytes
First seen:2025-04-23 08:21:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:xRnQI378PiEHbCkoNsjqClYGoJBwQ3MtiYQQox2+G9K:vwPdGrsZlrQQox2+G9K
TLSH T15373F886B8806F29C6C11677FD0F124E33132BACE3DE73539D205B64779B56B0E2A916
telfhash t12ee026a68ee005cc93948362148e126ac880a8e69391415be7e44f4d41b1c82352f8b0
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 :
92
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6808a5a4a37ff28e129879ddlinux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the network activity
Kills processes
Connection attempt
Sends data to a server
Creating a file
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6808a33de9c1e25797a0667a/reports/cb710d99-df9c-4bba-965f-cea5a708a1de/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a4823fffcb1f3e63b2e957acecae9f1d98333a673c7ce6dab2ce96124654b3b5
Behaviour
Information Gathering
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/3972d491-e5b1-42ad-a7f4-568846ae6861
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1671825
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1671825 Sample: k5.elf Startdate: 23/04/2025 Architecture: LINUX Score: 60 31 197.212.229.6 ZAIN-ZAMBIAZM Zambia 2->31 33 41.21.240.27, 37215 Vodacom-VBZA South Africa 2->33 35 98 other IPs or domains 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Connects to many ports of the same IP (likely port scanning) 2->39 41 Uses known network protocols on non-standard ports 2->41 9 k5.elf 2->9         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 6 other processes 2->16 signatures3 process4 signatures5 45 Sample tries to kill multiple processes (SIGKILL) 9->45 18 k5.elf 9->18         started        20 wrapper-2.0 xfpm-power-backlight-helper 12->20         started        process6 process7 22 k5.elf 18->22         started        process8 24 k5.elf 22->24         started        27 k5.elf 22->27         started        29 k5.elf 22->29         started        signatures9 43 Sample tries to kill multiple processes (SIGKILL) 24->43
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4823fffcb1f3e63b2e957acecae9f1d98333a673c7ce6dab2ce96124654b3b5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4823fffcb1f3e63b2e957acecae9f1d98333a673c7ce6dab2ce96124654b3b5/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-04-23 08:22:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=usbd776ld47ghmxjk6wozlu7dwmdgothhr6onwvsz2lbersuwo2q._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/250423-j9qkzssvd1/
Behaviour
Reads runtime system information
Changes its process name
Contacts a large (35848) amount of remote hosts
Creates a large amount of network flows
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/a4823fffcb1f3e63b2e957acecae9f1d98333a673c7ce6dab2ce96124654b3b5

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d2dca9e7
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 a4823fffcb1f3e63b2e957acecae9f1d98333a673c7ce6dab2ce96124654b3b5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3519276/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3519278/

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