MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21f51bbfacc259a69aba5a3ab0e0aaba07128b684a45cdc47450bd1c2865663b. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21f51bbfacc259a69aba5a3ab0e0aaba07128b684a45cdc47450bd1c2865663b
SHA3-384 hash: bab2fb229f855c80fa0aebe86e7538568febf5283778a8a9fee23ccfb9f4f2540240c0adbd2db5c6add70edd37a99c00
SHA1 hash: d371e81ea2fd8ce5cfe9691c8460b157804c6fbd
MD5 hash: 2927f69dca387e836c7289d4f6f771e9
humanhash: triple-ack-virginia-muppet
File name:UnHAnaAW.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:84'580 bytes
First seen:2025-10-04 10:33:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:e27QYAHTmUqftGZpSRA3jl1g9hAhGKwkxTsCs5DYjtahWX+uEGT5ZH6g35s6TU:e27QYAzmUqohxCYjAhQlTH3WG
TLSH T1C9830842B8C29A16C6E423BBFA7E018D332567A8D2DF32179D216F1477C991F0E77681
telfhash t1bd410f5bef640a5c6bce405901dea0134bdc34ed1b1a1887ef2cbb8b86421d2f03e42b
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.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade obfuscated threat
Link:
https://www.filescan.io/uploads/68e0feb2f377ab231051de75/reports/ad992688-6f17-4d22-a504-51ee1fb43410/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:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/21f51bbfacc259a69aba5a3ab0e0aaba07128b684a45cdc47450bd1c2865663b
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-04T08:24:00Z UTC
Last seen:
2025-10-04T10:37:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/21f51bbfacc259a69aba5a3ab0e0aaba07128b684a45cdc47450bd1c2865663b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3b9104c4-f6cb-4002-ba7e-9375331d456e
Behavior Graph:
Download SVG
%3 guuid=ce135a3b-1900-0000-f971-b829760e0000 pid=3702 /usr/bin/sudo guuid=93f45b3d-1900-0000-f971-b829800e0000 pid=3712 /tmp/sample.bin guuid=ce135a3b-1900-0000-f971-b829760e0000 pid=3702->guuid=93f45b3d-1900-0000-f971-b829800e0000 pid=3712 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3b4e4d73-703b-4c26-b08e-ca1597d33bbb
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1789133
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21f51bbfacc259a69aba5a3ab0e0aaba07128b684a45cdc47450bd1c2865663b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21f51bbfacc259a69aba5a3ab0e0aaba07128b684a45cdc47450bd1c2865663b/
Verdict:
Malicious
Threat:
Family.ECHOBOT
Link:
https://tip.neiki.dev/file/21f51bbfacc259a69aba5a3ab0e0aaba07128b684a45cdc47450bd1c2865663b
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-04 10:38:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eh2rxp5myjm2ngv2li5lbyfkxidrfc3ijjc43rdukc6rykdfmy5q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:echobot family:mirai
Link:
https://tria.ge/reports/251004-m39bas1wbz/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135890-0
YARA:
n/a
Link:
https://app.threat.zone/submission/9b3c40aa-f55e-4ea1-8121-22fd150f2f84
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/21f51bbfacc259a69aba5a3ab0e0aaba07128b684a45cdc47450bd1c2865663b

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 21f51bbfacc259a69aba5a3ab0e0aaba07128b684a45cdc47450bd1c2865663b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3627103/
  
Delivery method
Distributed via web download

Comments