MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a57b8859ab63895e701aab2529a09451e2b90b93101071e5903b8688b878bbc1. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a57b8859ab63895e701aab2529a09451e2b90b93101071e5903b8688b878bbc1
SHA3-384 hash: bb0caa0b524334acf4290f4c3ac6d24e3c62930660a4075ae9b42a13ba39b756420710d73cbd91a3eecc6fa00f79607d
SHA1 hash: 41e29f992a88a1db25ea5d70e6008a3fc5103a93
MD5 hash: 3775c779d6140b945eb34484d79866a6
humanhash: bacon-oscar-grey-carbon
File name:morte.ppc
Download: download sample
Signature Mirai
Create hunting rule
File size:108'108 bytes
First seen:2025-11-15 08:07:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:/V3wo27Gz/nWnFjFep9KKXdUhJ9p+puaZn3K8V8nj:/V3wfXFjFGPs90uWUnj
TLSH T180B34B52730C0B47C19709B02E3F6BE687BEE5D121E4BA89251FDB7686B1E371449EC8
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 95ef3e464a0cf39246c8e644883b5b44c55de71d23ec924ffb5a020fda61e465
File size (compressed) :43'572 bytes
File size (de-compressed) :108'108 bytes
Format:linux/ppc32
Packed file: 95ef3e464a0cf39246c8e644883b5b44c55de71d23ec924ffb5a020fda61e465

Intelligence

File Origin
# of uploads :
1
# of downloads :
175
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7135957-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

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

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9940367-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10012201-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Changes access rights for a written file
Runs as daemon
Receives data from a server
Opens a port
Changes access rights for a file
Sends data to a server
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/691834f3b4044f0fe291a8b0/reports/2dc6448a-4db8-412f-8f12-9cbda593d99a/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-15T06:23:00Z UTC
Last seen:
2025-11-17T00:17:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a57b8859ab63895e701aab2529a09451e2b90b93101071e5903b8688b878bbc1/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3a79d4f4-7ec8-44a0-a729-af81146430b6
Behavior Graph:
Download SVG
%3 guuid=3d6d6941-1a00-0000-ebae-76a47d0d0000 pid=3453 /usr/bin/sudo guuid=987ede43-1a00-0000-ebae-76a4860d0000 pid=3462 /tmp/sample.bin guuid=3d6d6941-1a00-0000-ebae-76a47d0d0000 pid=3453->guuid=987ede43-1a00-0000-ebae-76a4860d0000 pid=3462 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fe5d84c3-0f03-499c-a482-6ba482d69577
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1814593
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1814593 Sample: morte.ppc.elf Startdate: 15/11/2025 Architecture: LINUX Score: 72 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 vmr3b.bounceme.net 41.216.189.110, 12121, 56274, 56276 AS40676US South Africa 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 8 morte.ppc.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 morte.ppc.elf 8->12         started        14 morte.ppc.elf 8->14         started        16 morte.ppc.elf 8->16         started        process6 18 morte.ppc.elf 12->18         started        20 morte.ppc.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a57b8859ab63895e701aab2529a09451e2b90b93101071e5903b8688b878bbc1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a57b8859ab63895e701aab2529a09451e2b90b93101071e5903b8688b878bbc1/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-15 08:08:20 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uv5yqwnlmoev44a2vmsstieukhrlsc4tcaihdzmqhodirodyxpaq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251115-j1px4adn6y/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/1d687478-d4c5-4064-bf01-091996ff81d9
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/a57b8859ab63895e701aab2529a09451e2b90b93101071e5903b8688b878bbc1

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Unpack
Create hunting rule
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
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 95ef3e464a0cf39246c8e644883b5b44c55de71d23ec924ffb5a020fda61e465

Mirai

elf a57b8859ab63895e701aab2529a09451e2b90b93101071e5903b8688b878bbc1

(this sample)

  
Dropped by
SHA256 95ef3e464a0cf39246c8e644883b5b44c55de71d23ec924ffb5a020fda61e465
  
URLhaus
https://urlhaus.abuse.ch/url/3704791/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 db6026b6164e29c9904aaef477733d61

Comments