MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1fc3983f0bc36b499b62f9259598228ea731bf8f42662d160d60a1d3927a2c6. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1fc3983f0bc36b499b62f9259598228ea731bf8f42662d160d60a1d3927a2c6
SHA3-384 hash: a03977428a64bfd86386d2c146d854e1287bac44dcf67d585bd60eb0c5da48d5afe56708b65509feea91533bd6a1e154
SHA1 hash: 334b8b5db9394a14a898c0b9ec38f3fd36b64f0c
MD5 hash: 775ed9b0566dda3075f631de8621678d
humanhash: echo-east-bulldog-tennessee
File name:zerarm
Download: download sample
Signature Mirai
Create hunting rule
File size:50'648 bytes
First seen:2025-12-07 08:43:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:D4MvSKEuN3G62K9DztcR1moogawFk03jGqA30MwH6N0xXBUPaT:NvzEWzt61VVawCY7voST
TLSH T145331880B8919A23C5E4227EFA6F418D332563B8E2EF7217DD225F15778982F0D77642
telfhash t1e3318c668f8d0f8c1be0c708055e222f96d831fc5315622d9eae6b9b06a39d1715e837
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 :
50
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/69353e25ff25e40750d63543/reports/c98424d8-d141-447c-b8b6-c29cc36e1efe/overview
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3a6b0e4b-f4b8-4547-9c43-ce4ed7389463
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1828256
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1828256 Sample: zerarm.elf Startdate: 07/12/2025 Architecture: LINUX Score: 48 14 45.156.87.16, 36078, 39691 SKYLINKNL Germany 2->14 16 seris.gd 2->16 18 Multi AV Scanner detection for submitted file 2->18 8 zerarm.elf 2->8         started        signatures3 process4 process5 10 zerarm.elf 8->10         started        process6 12 zerarm.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1fc3983f0bc36b499b62f9259598228ea731bf8f42662d160d60a1d3927a2c6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1fc3983f0bc36b499b62f9259598228ea731bf8f42662d160d60a1d3927a2c6/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-07 08:43:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wh6dta7qxq3ljgnwf6jfswmcfdvhgg7y6qtgfula2yfb2ojhulda._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251207-kmnzbazkg1/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9885259-0
YARA:
n/a
Link:
https://app.threat.zone/submission/efbc30fd-2595-43a6-bee2-b088578f4ffe
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/b1fc3983f0bc36b499b62f9259598228ea731bf8f42662d160d60a1d3927a2c6

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_Threat_d94e1020
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 b1fc3983f0bc36b499b62f9259598228ea731bf8f42662d160d60a1d3927a2c6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726426/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726573/

Comments