MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81b400d644738216f5073ab2c582df65268fbd403f4c8a82f49b0ba7ea50a4b6. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81b400d644738216f5073ab2c582df65268fbd403f4c8a82f49b0ba7ea50a4b6
SHA3-384 hash: 2efd9d0983066ceaaefbec10eed69e3fd0fd786b0972efcb36fc72dac6d6d5b3e37cd783d920b23315e09aa509198c16
SHA1 hash: e5d64d12df3b0fc2e1589adee3a1781f800d9e5c
MD5 hash: ea6f10dc197c1ff46035524354db7520
humanhash: equal-may-dakota-johnny
File name:executor.ppc
Download: download sample
Signature Mirai
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File size:99'928 bytes
First seen:2025-11-11 10:33:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:27eMPaZUl8riIHodn/25QiBJN6GLdBAFI+W6mZ+76zN//A2:27esiipdn/4xYFA6mPhA2
TLSH T149A37C02739C0907C0970AF2263F7BE593EFD59521E4BB85690EAA465272FF7144AFC8
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 dff6bde6f4557b08a933a594df89f54cc792f849c8b8484b83b2eb6f000e151a
File size (compressed) :44'196 bytes
File size (de-compressed) :99'928 bytes
Format:linux/ppc32
Packed file: dff6bde6f4557b08a933a594df89f54cc792f849c8b8484b83b2eb6f000e151a

Intelligence

File Origin
# of uploads :
1
# of downloads :
172
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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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
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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-10012201-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Receives data from a server
Opens a port
Sends data to a server
DNS request
Connection attempt
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-11T08:44:00Z UTC
Last seen:
2025-11-11T10:08:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/81b400d644738216f5073ab2c582df65268fbd403f4c8a82f49b0ba7ea50a4b6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0bb4689e-50d9-484d-9b6e-cb90a17f292e
Behavior Graph:
Download SVG
%3 guuid=4c3123aa-1900-0000-3497-95df0b0a0000 pid=2571 /usr/bin/sudo guuid=2dd406ad-1900-0000-3497-95df130a0000 pid=2579 /tmp/sample.bin guuid=4c3123aa-1900-0000-3497-95df0b0a0000 pid=2571->guuid=2dd406ad-1900-0000-3497-95df130a0000 pid=2579 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bd7728d9-d6ed-4b4f-96a3-f28f36597a0e
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1811943
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1811943 Sample: executor.ppc.elf Startdate: 11/11/2025 Architecture: LINUX Score: 56 26 169.254.169.254, 80 USDOSUS Reserved 2->26 28 bot.windy.wtf 143.20.185.102, 40660, 40662, 6769 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 2->28 30 5 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 8 executor.ppc.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 executor.ppc.elf 8->16         started        18 executor.ppc.elf 8->18         started        20 executor.ppc.elf 8->20         started        process6 22 executor.ppc.elf 16->22         started        24 executor.ppc.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81b400d644738216f5073ab2c582df65268fbd403f4c8a82f49b0ba7ea50a4b6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81b400d644738216f5073ab2c582df65268fbd403f4c8a82f49b0ba7ea50a4b6/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-11 11:10:21 UTC
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qg2abvseoobbn5ihhkzmlaw7muti7pkah5givaxutmf2p2squs3a._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251111-ml89zatmgz/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ac50c3df-40d8-45d6-9877-eac77f59a51d
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/81b400d644738216f5073ab2c582df65268fbd403f4c8a82f49b0ba7ea50a4b6

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
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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: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
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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 dff6bde6f4557b08a933a594df89f54cc792f849c8b8484b83b2eb6f000e151a

Mirai

elf 81b400d644738216f5073ab2c582df65268fbd403f4c8a82f49b0ba7ea50a4b6

(this sample)

  
Dropped by
SHA256 dff6bde6f4557b08a933a594df89f54cc792f849c8b8484b83b2eb6f000e151a
  
URLhaus
https://urlhaus.abuse.ch/url/3702990/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 12c25f1c0e86eb19833347783543c8db
  
URLhaus
https://urlhaus.abuse.ch/url/3688225/

Comments