MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f940bb807d9320fb673210c1405612f4f8839074e28211792cf21cdc3ee2f609. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f940bb807d9320fb673210c1405612f4f8839074e28211792cf21cdc3ee2f609
SHA3-384 hash: 201740e93aa27346a2d0513b73bcbf71bf231945ba07d20fcede49b7019fca53c3c211223f7227f1cdceb16ff2430ec1
SHA1 hash: 9e36861faeb254eb255f5dc88e5c4e720242256f
MD5 hash: 8de1cb8dac2f72d905df2311d5d0e44b
humanhash: quiet-lactose-nebraska-eleven
File name:parm7
Download: download sample
Signature Mirai
Create hunting rule
File size:105'956 bytes
First seen:2026-06-20 02:27:12 UTC
Last seen:2026-06-20 04:27:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:4jpUFN8WoXYzk6+vvt0/bBXoeKEi2+P2/jOBtLGpT3zesYp7oX:4jw1zk66OfNbOXLiTDeL7oX
TLSH T1E8A312ED0234F5C086B16438DC1F4E957ADFCE951B2EFDD24A38C43831865195B6938A
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 UPX
File size (compressed) :105'956 bytes
File size (de-compressed) :292'189 bytes
Format:linux/arm
Unpacked file: 970b716721efde1a97a214d26fb641631d70ed51916ad3bdd9faa4ced59cb33b

Intelligence

File Origin
# of uploads :
2
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/754d8f84-1f91-4b86-af2c-ddc146612970/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Receives data from a server
Connection attempt
Opens a port
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a35fa8fa419cb85d28d4c04/reports/8673d232-e814-481b-8f63-db2be3f4ce7c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
33
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/f940bb807d9320fb673210c1405612f4f8839074e28211792cf21cdc3ee2f609
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/07d809b0-06c6-4fdb-93b2-e259678891e9
Behavior Graph:
Download SVG
%3 guuid=b18a3247-1b00-0000-2295-964ba60b0000 pid=2982 /usr/bin/sudo guuid=913abe49-1b00-0000-2295-964bac0b0000 pid=2988 /tmp/sample.bin guuid=b18a3247-1b00-0000-2295-964ba60b0000 pid=2982->guuid=913abe49-1b00-0000-2295-964bac0b0000 pid=2988 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0aff4282-e485-4205-90c0-39d64e903e60
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f940bb807d9320fb673210c1405612f4f8839074e28211792cf21cdc3ee2f609
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f940bb807d9320fb673210c1405612f4f8839074e28211792cf21cdc3ee2f609/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/f940bb807d9320fb673210c1405612f4f8839074e28211792cf21cdc3ee2f609
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-19 23:50:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7falxad5smqpwzzscdauavqs6t4ihedu4kbbc6jm6ionypxc6yeq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260620-cxm6rsd13t/
Behaviour
Reads runtime system information
Changes its process name
Deletes itself
Modifies Watchdog functionality
Creates a large amount of network flows
Family: Mirai
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/f940bb807d9320fb673210c1405612f4f8839074e28211792cf21cdc3ee2f609

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf f940bb807d9320fb673210c1405612f4f8839074e28211792cf21cdc3ee2f609

(this sample)

Mirai

elf 970b716721efde1a97a214d26fb641631d70ed51916ad3bdd9faa4ced59cb33b

  
URLhaus
https://urlhaus.abuse.ch/url/3865879/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 970b716721efde1a97a214d26fb641631d70ed51916ad3bdd9faa4ced59cb33b
  
Dropping
MD5 01b21587f1bc8d8f910a07a9533d2e9c

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