MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b81ba14cb5fd16dfaaebc558de473723619700ec04292d3bad98df88d0876f2f. 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: 8


Intelligence 8 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b81ba14cb5fd16dfaaebc558de473723619700ec04292d3bad98df88d0876f2f
SHA3-384 hash: f656f300562143cfb5de02c98122bdf91bf198cc1f8e77b2cd6a4d5a98e898dd11da8cca1db24ba35e91d4b4aeb41bc5
SHA1 hash: 7e5ac61d1f9bafb1fe5a300df70c67d7500ab94f
MD5 hash: a378b43ee28bc268254b34d712d18468
humanhash: south-fruit-carolina-lake
File name:arm
Download: download sample
Signature Mirai
Create hunting rule
File size:504'000 bytes
First seen:2026-07-11 19:12:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:iWKjbFJJV28UZeDf6omE4ipfhRyhHDXzOv4rGfqe:iJj/kO6IT6/
TLSH T1ECB43A51FC419BA7C6D12ABBFF6D828C732317B8E2DE71129D155B2063CB85A0E7B142
telfhash t14fd097e32ba800f022708b87c1bf5e201fb3603ac9507bf939ca6c1216832238813d31
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 :
95
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Siggen.796.19344.30265.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand lolbin rust
Link:
https://www.filescan.io/uploads/6a5295d7b0f6de531361fd7f/reports/18207021-9582-4592-95e5-bfaff75f147c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
5
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b81ba14cb5fd16dfaaebc558de473723619700ec04292d3bad98df88d0876f2f
Behaviour
Anti-VM
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
type: 74.125.250.129:19302
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-07-11T16:30:00Z UTC
Last seen:
2026-07-13T02:45:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b81ba14cb5fd16dfaaebc558de473723619700ec04292d3bad98df88d0876f2f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9c437aca-6ec7-461c-bf7b-35371760c2aa
Behavior Graph:
Download SVG
%3 guuid=89d9ae5e-1a00-0000-97be-e306380c0000 pid=3128 /usr/bin/sudo guuid=00c57962-1a00-0000-97be-e3063a0c0000 pid=3130 /tmp/sample.bin guuid=89d9ae5e-1a00-0000-97be-e306380c0000 pid=3128->guuid=00c57962-1a00-0000-97be-e3063a0c0000 pid=3130 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b3a46070-b739-4a73-861f-4dcbe4c25ad2
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1941047
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b81ba14cb5fd16dfaaebc558de473723619700ec04292d3bad98df88d0876f2f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b81ba14cb5fd16dfaaebc558de473723619700ec04292d3bad98df88d0876f2f/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-11 19:13:38 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=xan2ctfv7uln7kxlyvmn4rzxenqzoahmaqus2o5ntdpyruehn4xq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260711-xw995abx8x/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/b81ba14cb5fd16dfaaebc558de473723619700ec04292d3bad98df88d0876f2f

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:woof_mirai_variant
Create hunting rule
Author:Nokia Deepfield ERT
Description:Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:Internal analysis of sample 6ef4ce02

File information

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

Web download

Mirai

elf b81ba14cb5fd16dfaaebc558de473723619700ec04292d3bad98df88d0876f2f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3884937/
  
Delivery method
Distributed via web download

Comments