MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 857efb0e755a791aa28ac3f13a9bcfc9683aceb631e97fcd204fa385c74759e6. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 857efb0e755a791aa28ac3f13a9bcfc9683aceb631e97fcd204fa385c74759e6
SHA3-384 hash: 7a01a9f1f69a7b457313361983dc25a6b42ff6e321e6f66ecd93bb047ab031f75d7f7f9389defe285a909c351bd0d4a8
SHA1 hash: 95e164f6254d7eab24c37bff636ae98f7e49420b
MD5 hash: e0ebec3ffb4c4cdeb5dfbd2efd8fd76b
humanhash: fanta-rugby-equal-lamp
File name:nerv.sparc
Download: download sample
Signature Mirai
Create hunting rule
File size:112'644 bytes
First seen:2026-05-08 22:57:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:3t/ikUw0qX/ySCcYIUkKrN8v4AOaOHqkDfBAXoCJdhIyAiWr2IdtorNWq5F9AcU+:3pDwN8AA8h3CGdmrNlDrb
TLSH T12CB35C22B9751E2BC4D4A8B661F34361F1F3579E21ACC61E3D710E8EEF246503257AB8
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai.9838.30605.22168.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/69fe6a722fcb905ec289a943/reports/16fea632-8d49-46f4-a438-13026c38eb33/overview
Verdict:
Clean
File Type:
elf.32.be
First seen:
2026-05-06T15:57:00Z UTC
Last seen:
2026-05-08T21:05:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/857efb0e755a791aa28ac3f13a9bcfc9683aceb631e97fcd204fa385c74759e6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ae5afb52-856c-4d9c-85d0-3f9e7de6d95b
Behavior Graph:
Download SVG
%3 guuid=f5c7b6fc-1a00-0000-e7c6-ea1a15090000 pid=2325 /usr/bin/sudo guuid=257d70ff-1a00-0000-e7c6-ea1a19090000 pid=2329 /tmp/sample.bin guuid=f5c7b6fc-1a00-0000-e7c6-ea1a15090000 pid=2325->guuid=257d70ff-1a00-0000-e7c6-ea1a19090000 pid=2329 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/473aebe8-afc4-43f7-9d27-ce729ce1229d
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/857efb0e755a791aa28ac3f13a9bcfc9683aceb631e97fcd204fa385c74759e6
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/857efb0e755a791aa28ac3f13a9bcfc9683aceb631e97fcd204fa385c74759e6/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/857efb0e755a791aa28ac3f13a9bcfc9683aceb631e97fcd204fa385c74759e6
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-05-08 22:57:38 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qv7pwdtvlj4rviukypytvg6pzfudvtvwghux7tjaj6rylr2hlhta._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet linux
Link:
https://tria.ge/reports/260508-2xgfnaa16j/
Malware Config
C2 Extraction:
89.190.156.145
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/857efb0e755a791aa28ac3f13a9bcfc9683aceb631e97fcd204fa385c74759e6

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:dsc
Create hunting rule
Author:Aaron DeVera
Description:Discord domains
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 857efb0e755a791aa28ac3f13a9bcfc9683aceb631e97fcd204fa385c74759e6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3842451/
  
Delivery method
Distributed via web download

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