MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81f13d0a633e5ba35bc12c857c5f65989e00fa239abada373ddca29fb569a2f1. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81f13d0a633e5ba35bc12c857c5f65989e00fa239abada373ddca29fb569a2f1
SHA3-384 hash: afef760d01d50a2426bbdbd7b16eec038780995433555bc8b92410657218e4fb3c3fc0f4a6e7936d822a07b9e2275beb
SHA1 hash: 6e6ccb2131662ae0b41e7e9434ee6f018ccee995
MD5 hash: 11696f05c1967ffdd2aa3acd505125e7
humanhash: twelve-victor-mike-georgia
File name:arm6-20220323-1338
Download: download sample
Signature Mirai
Create hunting rule
File size:136'602 bytes
First seen:2022-03-23 13:38:37 UTC
Last seen:2022-03-23 19:32:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:UabOjYNdp3jZWQ7akDC4ROOcyHTwbp+rxVi7fa:fiKdp3j4kDC4ROLycbp+rxVi7fa
TLSH T111D32A46FA418B13C5D61B76FA9F41493322D79493EB330699185FF43F86A9E0E23606
telfhash t18021cd716730962a6a61dd50dded5772122887132789ab33ce35848c64190aaea3ac4f
Reporter tolisec
Tags:mirai

Intelligence

File Origin
# of uploads :
4
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Dropper.Mirai-7540663-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/623b235d0cd58dbd92df870e/reports/d0f5b7bc-bc34-428f-b4d4-c25d7634b963/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
136.144.41.60
Number of open files:
0
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/81f13d0a633e5ba35bc12c857c5f65989e00fa239abada373ddca29fb569a2f1
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
212.192.241.70:3074
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Mirai Moobot
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/963332
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Sample deletes itself
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses known network protocols on non-standard ports
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81f13d0a633e5ba35bc12c857c5f65989e00fa239abada373ddca29fb569a2f1/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-03-23 13:39:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux suricata
Link:
https://tria.ge/reports/220323-qx1czsbdck/
Behaviour
suricata: ET MALWARE ELF/MooBot Mirai DDoS Variant Server Response
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/81f13d0a633e5ba35bc12c857c5f65989e00fa239abada373ddca29fb569a2f1

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:SUSP_XORed_Mozilla
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 81f13d0a633e5ba35bc12c857c5f65989e00fa239abada373ddca29fb569a2f1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2094843/
  
Delivery method
Distributed via web download

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