MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21bf2bfc10db569e8b5ccaadf3165f76e5657fbcc843a977f4ab19528a5e29c0. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21bf2bfc10db569e8b5ccaadf3165f76e5657fbcc843a977f4ab19528a5e29c0
SHA3-384 hash: fc24bb54b8d193488389472273f39c20f966fd89c04388ac287298deff71f8184ddd9f97a8c72c112365938a324849fa
SHA1 hash: 526a7f313dfdb4e4cba8792462775b8664bedf9d
MD5 hash: 2a001ecf90df8d39232151d2896daed6
humanhash: florida-london-black-cold
File name:splspc
Download: download sample
Signature Mirai
Create hunting rule
File size:101'124 bytes
First seen:2026-01-18 13:17:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:MAMdHxf+TP1nfzLbto+WDTatGtHhDrKm4ZqfUwyZ0lEhLoIh0Rmezm7uhl:9OuPR/bzqvDrKjqfUPhhUtzma
TLSH T18BA34B11ED396D27C5C0317B51E34631E5B6539A26BCDA1F3EA31D9CDF18220312FAAA
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai
Link:
https://www.filescan.io/uploads/696cdda1584f1963ad59fcf0/reports/c76c4510-0587-49a4-860e-49cc017f7fe8/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-18T10:22:00Z UTC
Last seen:
2026-01-18T11:18:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Gafgyt.go
Link:
https://opentip.kaspersky.com/21bf2bfc10db569e8b5ccaadf3165f76e5657fbcc843a977f4ab19528a5e29c0/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/425c643e-1012-41fb-bbd7-12bd6be6ad31
Behavior Graph:
Download SVG
%3 guuid=3798b864-1d00-0000-cc7a-35eb550c0000 pid=3157 /usr/bin/sudo guuid=1d70fc66-1d00-0000-cc7a-35eb580c0000 pid=3160 /tmp/sample.bin guuid=3798b864-1d00-0000-cc7a-35eb550c0000 pid=3157->guuid=1d70fc66-1d00-0000-cc7a-35eb580c0000 pid=3160 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f07a9f77-e86c-471a-af5d-712466f38607
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1852732
Signature
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852732 Sample: splspc.elf Startdate: 18/01/2026 Architecture: LINUX Score: 60 16 myrepis.gd. [malformed] 2->16 18 71.23.240.112 WINDSTREAMUS United States 2->18 20 100 other IPs or domains 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Mirai 2->24 8 splspc.elf 2->8         started        signatures3 26 Sends malformed DNS queries 16->26 process4 process5 10 splspc.elf 8->10         started        process6 12 splspc.elf 10->12         started        14 splspc.elf 10->14         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21bf2bfc10db569e8b5ccaadf3165f76e5657fbcc843a977f4ab19528a5e29c0
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/21bf2bfc10db569e8b5ccaadf3165f76e5657fbcc843a977f4ab19528a5e29c0/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/21bf2bfc10db569e8b5ccaadf3165f76e5657fbcc843a977f4ab19528a5e29c0
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 13:18:53 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eg7sx7aq3nlj5c24zkw7gfs7o3swk754zbb2s57uvmmvfcs6fhaa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260118-qj6b3sct9e/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ae4aabfb-f352-42ed-81f9-4554f623deec
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/21bf2bfc10db569e8b5ccaadf3165f76e5657fbcc843a977f4ab19528a5e29c0

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: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 21bf2bfc10db569e8b5ccaadf3165f76e5657fbcc843a977f4ab19528a5e29c0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739400/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739218/

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