MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a20f503856c9e4b54efdbc10ee70f6f0fada81d10ec0e2abf98706ff536a06e7. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a20f503856c9e4b54efdbc10ee70f6f0fada81d10ec0e2abf98706ff536a06e7
SHA3-384 hash: fe0ef1236c718221719ea879adda1acc4edac61c8599d319647aa63ab4cb429b618e053a4d0208a6da7e6c9dfcee8ba0
SHA1 hash: d0b35815d7e2177beb01faec928232612d48ad8d
MD5 hash: 5677cf1a424920573171179d0f87b80c
humanhash: asparagus-may-winter-hotel
File name:morte.arc
Download: download sample
Signature Mirai
Create hunting rule
File size:116'160 bytes
First seen:2025-09-24 02:53:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:p1l2EyPsY36rtTyQla4WqkTGkq0J8rCfJ5iLxZJkHMgm/LWd+:rl2ElE6RyQlBtcLn/R5iSsgmqd
TLSH T1F5B3AE9BF7076190C86247F407C74BDE2E6322129E6BA4E76C1F2A7B09790DF5916382
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 :
86
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
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-7136016-0
Create hunting rule

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

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

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

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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/68d35d9958f24ea0d22a69ad/reports/9d70f144-9941-47b5-b0d4-3726165042b3/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-24T00:46:00Z UTC
Last seen:
2025-09-24T00:46:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Link:
https://opentip.kaspersky.com/a20f503856c9e4b54efdbc10ee70f6f0fada81d10ec0e2abf98706ff536a06e7/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b4ae65cd-00c7-43d6-86ce-b02edc2fe17e
Behavior Graph:
Download SVG
%3 guuid=f49d449b-1a00-0000-efc2-ca7c630b0000 pid=2915 /usr/bin/sudo guuid=b177e99c-1a00-0000-efc2-ca7c6a0b0000 pid=2922 /tmp/sample.bin guuid=f49d449b-1a00-0000-efc2-ca7c630b0000 pid=2915->guuid=b177e99c-1a00-0000-efc2-ca7c6a0b0000 pid=2922 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/65d94966-a507-44d3-a263-d717da320e45
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1783015
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a20f503856c9e4b54efdbc10ee70f6f0fada81d10ec0e2abf98706ff536a06e7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a20f503856c9e4b54efdbc10ee70f6f0fada81d10ec0e2abf98706ff536a06e7/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a20f503856c9e4b54efdbc10ee70f6f0fada81d10ec0e2abf98706ff536a06e7
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-24 02:58:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uihvaocwzhslktx5xqio44hw6d5nvaorb3aofk7zq4dp6u3ka3tq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250924-del2esan8z/
Verdict:
Malicious
Tags:
backdoor Unix.Trojan.Mirai-7100807-0
YARA:
MAL_ELF_Xlogin_Nov24_1
Link:
https://app.threat.zone/submission/a406ac45-08cd-4fe5-967f-d7e81a7be06c
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/a20f503856c9e4b54efdbc10ee70f6f0fada81d10ec0e2abf98706ff536a06e7

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:MAL_ELF_Xlogin_Nov24_1
Create hunting rule
Author:Florian Roth
Description:Detects xlogin backdoor samples
Reference:https://blog.sekoia.io/solving-the-7777-botnet-enigma-a-cybersecurity-quest/
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 a20f503856c9e4b54efdbc10ee70f6f0fada81d10ec0e2abf98706ff536a06e7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3630722/
  
Delivery method
Distributed via web download

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