MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bf771b4d750b3d3beb1aaa1311d7890f1b83a9242f5183fe72e7dfe2a02ea70. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bf771b4d750b3d3beb1aaa1311d7890f1b83a9242f5183fe72e7dfe2a02ea70
SHA3-384 hash: 5f4e503b9f012cc3ad18274623528491cfcd1731cdcb9eab5681275d6c29e24ca29bbe837edcf9fa1255dd0b1587a8ba
SHA1 hash: 9acce624ee46bfc4cf133e4edea5a12a62593f83
MD5 hash: b7d5c71a65d20cda7e606e1cd8bb5d83
humanhash: north-saturn-kilo-wisconsin
File name:a-r.m-6.dick
Download: download sample
Signature Mirai
Create hunting rule
File size:106'526 bytes
First seen:2026-02-13 20:11:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:v00aynNWED1M3WOUhrIJdyWFy1x691DNU9li493NQ95Qa6j3uTkCuwvseQbOFqUH:Jpa6j3f5eQbAmyWQ9qfC
TLSH T19AA33B05D951972BC2C2177EFA9B529D37232F58D39B3311AA287BB42BC279D0E3D121
telfhash t17e21115155b112197fb28928dc7c96f219215b133308af71af37c0cc592b0a2e63bdca
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
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/0ff82e65-8be6-4044-b7e3-1a98be63d5e3/
Detection(s):
Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7136070-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Dropper.Mirai-7489238-0
Create hunting rule

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

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-9917488-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade rust
Link:
https://www.filescan.io/uploads/698f8586930564ff3ca018b8/reports/130cfab6-47ad-4cbf-bfff-bbd5bda5f524/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4bf771b4d750b3d3beb1aaa1311d7890f1b83a9242f5183fe72e7dfe2a02ea70
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/4bf771b4d750b3d3beb1aaa1311d7890f1b83a9242f5183fe72e7dfe2a02ea70/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d6918ff2-88ff-4e50-9ff7-dad69dd4285b
Behavior Graph:
Download SVG
%3 guuid=8d891ddc-1900-0000-3b1c-4ab179090000 pid=2425 /usr/bin/sudo guuid=d3d596de-1900-0000-3b1c-4ab181090000 pid=2433 /tmp/sample.bin guuid=8d891ddc-1900-0000-3b1c-4ab179090000 pid=2425->guuid=d3d596de-1900-0000-3b1c-4ab181090000 pid=2433 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/339293b2-08f2-4798-a23d-8ea6dccb7986
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1869367
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: 1869367 Sample: a-r.m-6.dick.elf Startdate: 13/02/2026 Architecture: LINUX Score: 56 17 169.254.169.254, 80 USDOSUS Reserved 2->17 19 54.217.10.153, 34618, 443 AMAZON-02US United States 2->19 21 2 other IPs or domains 2->21 23 Antivirus / Scanner detection for submitted sample 2->23 25 Multi AV Scanner detection for submitted file 2->25 7 a-r.m-6.dick.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 process5 15 a-r.m-6.dick.elf 7->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4bf771b4d750b3d3beb1aaa1311d7890f1b83a9242f5183fe72e7dfe2a02ea70
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4bf771b4d750b3d3beb1aaa1311d7890f1b83a9242f5183fe72e7dfe2a02ea70/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-02-13 20:12:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jp3xdngxkcz5hpvrvkqtchlysdy3qousil2rqp7hfz674kqc5jya._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/260213-yyp8eaez3h/
Behaviour
Changes its process name
Please note that we are no longer able to provide a coverage score for Virus Total.

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_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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Generic_Threat_d2dca9e7
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 4bf771b4d750b3d3beb1aaa1311d7890f1b83a9242f5183fe72e7dfe2a02ea70

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3777389/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3777395/

Comments