MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91552239c42140b545821b4f22300f3c880c0df1d17fb31b89d29ff2423cd545. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91552239c42140b545821b4f22300f3c880c0df1d17fb31b89d29ff2423cd545
SHA3-384 hash: 8ed44979e33c23c51d9e1c81e1b4f2809171f94c49bb4788340100f868cb282142187bbcab2b8ac218a340854b499084
SHA1 hash: 177972014f156e75bf7b4e27450f523f38e684c2
MD5 hash: a3268314e5833067dae5f712da9f048f
humanhash: south-potato-low-table
File name:arm4
Download: download sample
Signature Mirai
Create hunting rule
File size:72'724 bytes
First seen:2024-11-30 12:36:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:/ovFUSTv53d1O9YLSTukqej/iwf2ovZ3:/GyYNsYLSiEaO1
TLSH T159632A81BD819A13C6D121BBFB2E428D772713A8D3EF72039925AF21378796B0E77541
telfhash t1cd018e940f4c09ec2290ca9092ce135f659d3cf9faa0687559f6af4b4563ac0522163a
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 :
113
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31076.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674b07b7e64d1c722d7a80c0linux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin mirai remote
Link:
https://www.filescan.io/uploads/674b06ed81b15ee2023e87bf/reports/86534ef8-99c0-48b0-8b93-4b26430ba86c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
37215
Full report:
https://elfdigest.com/brief/91552239c42140b545821b4f22300f3c880c0df1d17fb31b89d29ff2423cd545
Behaviour
Anti-VM
Process Renaming
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/896b43af-7588-4c8d-8cf4-f88bf03fc193
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1565662
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1565662 Sample: arm4.elf Startdate: 30/11/2024 Architecture: LINUX Score: 76 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Mirai 2->31 8 dash rm arm4.elf 2->8         started        11 dash rm 2->11         started        process3 signatures4 33 Sample reads /proc/mounts (often used for finding a writable filesystem) 8->33 13 arm4.elf 8->13         started        15 arm4.elf 8->15         started        17 arm4.elf 8->17         started        process5 process6 19 arm4.elf 13->19         started        21 arm4.elf 13->21         started        23 arm4.elf 15->23         started        process7 25 arm4.elf 19->25         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/91552239c42140b545821b4f22300f3c880c0df1d17fb31b89d29ff2423cd545
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91552239c42140b545821b4f22300f3c880c0df1d17fb31b89d29ff2423cd545/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-11-30 12:37:03 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sfkseooeefalkrmcdnhsemaphseaydpr2f73gg4j2kp7eqr42vcq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/241130-ptfnqstpbs/
Behaviour
Reads runtime system information
Changes its process name
Unexpected DNS network traffic destination
Contacts a large (305388) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7355719-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1
Link:
https://app.threat.zone/submission/877a1ff9-2e95-417a-a754-6f9e8f83aee8
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/91552239c42140b545821b4f22300f3c880c0df1d17fb31b89d29ff2423cd545

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
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 91552239c42140b545821b4f22300f3c880c0df1d17fb31b89d29ff2423cd545

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3298546/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3192429/
  
URLhaus
https://urlhaus.abuse.ch/url/3298660/
  
URLhaus
https://urlhaus.abuse.ch/url/3192432/

Comments