MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87a4f596f7843ab69e4cc37fcdbeb6f049adb36d90f3f8cef361897bca47ba58. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87a4f596f7843ab69e4cc37fcdbeb6f049adb36d90f3f8cef361897bca47ba58
SHA3-384 hash: ed76a4d2aa5117080ac2cb7d27347186142cae441413647b5bd74415236f47dee05ff628b90271053c8126f8b6ab7334
SHA1 hash: b7e045c97e0b99b28cf4db8550318dce2043b344
MD5 hash: ea9be4c22fd802efb9cea989547c5d1e
humanhash: salami-hawaii-kansas-avocado
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:180'483 bytes
First seen:2025-05-11 13:23:28 UTC
Last seen:2025-05-12 01:41:43 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:1Pk0rBwTcGIjbaOVfi9QNnrQUSABLttt+hJUoNM/RxKn4G2Di:1PrwTjgbaOVfi9QNrWAZttt+/ZNM/Rkb
TLSH T10C042A46EA408B03C0962BB9FA9F425533239B54D7EB73059528AFB43F8779E4F23506
telfhash t1c131bea1867c1126aaa1dc28ede997a2551b96261350bf37df22c4cc680f44be937c4f
Magika elf
Reporter elfdigest
Tags:gafgyt mirai

Intelligence

File Origin
# of uploads :
21
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29505.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
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Unix.Trojan.Mirai-9760303-0
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Unix.Trojan.Mirai-10002598-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
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Unix.Trojan.Mirai-10009361-0
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Unix.Trojan.Mirai-10012923-0
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Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6820a6e14a59e5a2ce03ac00linux22vpnfull_triage
Tags:
gafgyt mirai ddos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
DNS request
Sends data to a server
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin remote
Link:
https://www.filescan.io/uploads/6820a4fbd95f3e34e9664d3d/reports/128ce737-9a6c-48ce-be1e-be987ac347cd/overview
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/947f5838-1c6b-4e42-8787-b36f7d56bc28
Result
Threat name:
Gafgyt, Mirai
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Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1687181
Signature
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1687181 Sample: arm7.elf Startdate: 11/05/2025 Architecture: LINUX Score: 68 23 nnmirai.duckdns.org 2->23 25 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->25 27 Multi AV Scanner detection for submitted file 2->27 29 Yara detected Gafgyt 2->29 31 Yara detected Mirai 2->31 9 arm7.elf 2->9         started        signatures3 33 Uses dynamic DNS services 23->33 process4 process5 11 arm7.elf 9->11         started        process6 13 arm7.elf 11->13         started        process7 15 arm7.elf 13->15         started        17 arm7.elf 13->17         started        19 arm7.elf 13->19         started        21 6 other processes 13->21
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/87a4f596f7843ab69e4cc37fcdbeb6f049adb36d90f3f8cef361897bca47ba58
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87a4f596f7843ab69e4cc37fcdbeb6f049adb36d90f3f8cef361897bca47ba58/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-05-11 13:24:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6splfxxqq5lnhsmyn743pvw6be23m3nsdz7rtxtmgexxsshxjma._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai discovery
Link:
https://tria.ge/reports/250511-qnd4dscp5s/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Malware Config
C2 Extraction:
nnmirai.duckdns.org
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/87a4f596f7843ab69e4cc37fcdbeb6f049adb36d90f3f8cef361897bca47ba58

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:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 87a4f596f7843ab69e4cc37fcdbeb6f049adb36d90f3f8cef361897bca47ba58

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3541174/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3541300/

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