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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b21ff64b1807a703f32613ecf07f76cb417ce19b34d444ee658b08c591acede. 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: 4


Intelligence 4 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b21ff64b1807a703f32613ecf07f76cb417ce19b34d444ee658b08c591acede
SHA3-384 hash: 33004f296b88d72821dfc1daebda2cc473fad1bf90e391cd9fc4842cac257b2fe87f2080e133bc6231ff314e4aa2e03c
SHA1 hash: d754744b9436c9a9be63093d830348ccadf44e0d
MD5 hash: 1a1af98c73fce405a6cd36ea0ec514dc
humanhash: oxygen-alabama-magnesium-speaker
File name:stub.aarch64
Download: download sample
Signature Mirai
Create hunting rule
File size:776'116 bytes
First seen:2026-09-25 23:24:52 UTC
Last seen:2026-09-26 00:00:01 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:qaOMNE5N3B76xF+y0ZdNd7JOSwa5YAmdlStnWtVfkHzb:qaReBKRU9r1aOnQfkHn
TLSH T121F46C5DFD5F3D43C2C6E23ADB8AC3957227B0D8D61311A321C1021DE6CADAD8B5299E
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 :
2
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Trojan.Linux.GenericKD.60058371.72795153.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6ab702e25b43b890a59896d1/reports/f52fd4c3-cdbf-4cab-b904-8403e6c06669/overview
Verdict:
Unknown
File Type:
elf.64.le
Link:
https://opentip.kaspersky.com/2b21ff64b1807a703f32613ecf07f76cb417ce19b34d444ee658b08c591acede/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ef5d7a97-17b3-416a-bdb3-581c7d2184f2
Behavior Graph:
Download SVG
%3 guuid=8e8ee10c-1a00-0000-00f2-9787b8040000 pid=1208 /usr/bin/sudo guuid=c1ba3d10-1a00-0000-00f2-9787bb040000 pid=1211 /tmp/sample.bin guuid=8e8ee10c-1a00-0000-00f2-9787b8040000 pid=1208->guuid=c1ba3d10-1a00-0000-00f2-9787bb040000 pid=1211 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/8403bba2-6192-445a-a128-2d3e1c78bd2f
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2b21ff64b1807a703f32613ecf07f76cb417ce19b34d444ee658b08c591acede
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b21ff64b1807a703f32613ecf07f76cb417ce19b34d444ee658b08c591acede/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-09-25 23:25:26 UTC
File Type:
ELF64 Little (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmq76zfrqb5hapzsme7m6b7xns2bptqzwnguitxglcyiywi2z3pa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260925-3eepsazv6q/
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/2b21ff64b1807a703f32613ecf07f76cb417ce19b34d444ee658b08c591acede

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:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:malwareelf55503
Create hunting rule
Rule name:MIRAI_OHSHIT_payload
Create hunting rule
Author:AfterPacket
Description:MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:https://github.com/Afterpacket/drosera-threat-intel
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 2b21ff64b1807a703f32613ecf07f76cb417ce19b34d444ee658b08c591acede

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3918807/
  
Delivery method
Distributed via web download

Comments