MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1cf80d0816c77f25ef181424cd3b806898d6657f2226791e672d20c2a725305. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1cf80d0816c77f25ef181424cd3b806898d6657f2226791e672d20c2a725305
SHA3-384 hash: ab00f360ef71b51f4b070f93877533f4ae19eb35022aaa0eb72abc3b9dcc38347def2b2573322cfc7e2fb9504c544194
SHA1 hash: 1759a31fc2b67487083693f4be6e9745f9648b9c
MD5 hash: 2fbaae4829d582efd158ab44d3acf6dc
humanhash: green-fourteen-beer-fillet
File name:mao.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:67'208 bytes
First seen:2026-01-31 16:42:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:5c2JSw6R/jLoMg53Z0Z5MZWJ3erhOjFw:5jJSw89DMZy3erhOjF
TLSH T1E2633882FC81DA12CAD4237ABA6E51CE331133D9E2DE3247DE126F113B8A95F0D6B551
telfhash t13f41eff787542ade6be583c64bcd70584efa39c52b043857ca0ce75f8892982751d833
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 :
29
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/7e7865de-fb56-4947-9741-3cd00b0e860d/
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9907086-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated rust
Link:
https://www.filescan.io/uploads/697e312d2ffccda09764f734/reports/24e70535-8560-4e1c-b09e-ac8e4081d798/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a1cf80d0816c77f25ef181424cd3b806898d6657f2226791e672d20c2a725305
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ea21dde7-32ac-4403-ad13-127f67c28649
Behavior Graph:
Download SVG
%3 guuid=1cdf7124-1a00-0000-de8a-1328590a0000 pid=2649 /usr/bin/sudo guuid=a4722426-1a00-0000-de8a-1328610a0000 pid=2657 /tmp/sample.bin guuid=1cdf7124-1a00-0000-de8a-1328590a0000 pid=2649->guuid=a4722426-1a00-0000-de8a-1328610a0000 pid=2657 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fc2db192-ca78-440f-8cc6-c015a1aa5bfa
Result
Threat name:
Okiru
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Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1860960
Signature
Multi AV Scanner detection for submitted file
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1860960 Sample: mao.arm5.elf Startdate: 31/01/2026 Architecture: LINUX Score: 56 18 mn.34509.su 185.242.3.127, 25565, 58472, 58474 ATOM3-ASUA Ukraine 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Yara detected Okiru 2->22 8 mao.arm5.elf 2->8         started        signatures3 process4 process5 10 mao.arm5.elf 8->10         started        12 mao.arm5.elf 8->12         started        process6 14 mao.arm5.elf 10->14         started        16 mao.arm5.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a1cf80d0816c77f25ef181424cd3b806898d6657f2226791e672d20c2a725305
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a1cf80d0816c77f25ef181424cd3b806898d6657f2226791e672d20c2a725305/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a1cf80d0816c77f25ef181424cd3b806898d6657f2226791e672d20c2a725305
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-31 16:34:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uhhybuebnr37exxrqfbezu5ya2ey2zsx6irgpepgoljayktskmcq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260131-t8e3zac16f/
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/a1cf80d0816c77f25ef181424cd3b806898d6657f2226791e672d20c2a725305

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_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_da28eb8b
Create hunting rule
Author:Elastic Security
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 a1cf80d0816c77f25ef181424cd3b806898d6657f2226791e672d20c2a725305

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3766695/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3766745/

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