MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2581dc4fa78b2561596d4cbe7e62c0fa3f8881c2af5b5ff14a77f80334b69173. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2581dc4fa78b2561596d4cbe7e62c0fa3f8881c2af5b5ff14a77f80334b69173
SHA3-384 hash: ea317aaa1a062c4162d6a2ba3347c20bf820bba54921b7a69411f48649b7b77ef43c78936777bbd58525e35418d5672c
SHA1 hash: 15fa62bf534d692369b0c92ac9c805e03b716fef
MD5 hash: d9e5f4f4de71e3ef5a0dd3ffae020a0f
humanhash: hotel-timing-pennsylvania-oranges
File name:nullnet_load.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:65'316 bytes
First seen:2026-03-04 08:47:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ortMf0p751vcX5R+pdrT5MqR69HFYyeX+yg4TFtmBDF:or80p74aG79HFXeXMqX
TLSH T17A532943BC91991AD6C013B9BAAE60DE332173DDE1DE720BDC109B543ACA91F0D7B681
telfhash t119e07d00fc75875c5cd79a749ddd07b49900220250574b00cf10d6f0c83f444e308d5e
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 :
68
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/691ba926-e70e-4b57-a797-2bb23e7db4a3/
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai rust
Link:
https://www.filescan.io/uploads/69a7f1d797feb4afd6690833/reports/9c0f54c8-6100-4f03-9dbf-86d26d3677a6/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Exploit.Linux.CVE-2014-8361.a HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Mirai.fg HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ez HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/2581dc4fa78b2561596d4cbe7e62c0fa3f8881c2af5b5ff14a77f80334b69173/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/46d2e6e1-c5b6-409a-9a9a-bd25a5f036ff
Behavior Graph:
Download SVG
%3
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b6a7082a-8e56-4809-aeac-e554eefb5a77
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2581dc4fa78b2561596d4cbe7e62c0fa3f8881c2af5b5ff14a77f80334b69173
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2581dc4fa78b2561596d4cbe7e62c0fa3f8881c2af5b5ff14a77f80334b69173/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/2581dc4fa78b2561596d4cbe7e62c0fa3f8881c2af5b5ff14a77f80334b69173
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ewa5yt5hrmswcwlnjs7h4ywa7i7yraocv5nv74kko74agnfwsfzq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:ecchi upx
Link:
https://tria.ge/reports/260304-kqmknagx6y/
Malware Config
C2 Extraction:
83.142.209.47
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:elf_persirai_w0
Create hunting rule
Author:Tim Yeh
Description:Detects Persirai Botnet Malware
Reference:Internal Research
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
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: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 2581dc4fa78b2561596d4cbe7e62c0fa3f8881c2af5b5ff14a77f80334b69173

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3788884/
  
Delivery method
Distributed via web download

Comments