MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b99efc2f0d9968e8b8d246af1f7e68a8a8bc2bf31db01259d4c29f955642736a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b99efc2f0d9968e8b8d246af1f7e68a8a8bc2bf31db01259d4c29f955642736a
SHA3-384 hash: 35cd38aa7d333000d21cb7323f63d7d605a6eba7b7d8bf150b4b5d414fb75803d8aeb128ef47aec0b4c82282047c0f4b
SHA1 hash: bcd94e0201457b7d112401992ddbd1347f4b1b61
MD5 hash: 7da04f045e4e59e81e719f9c3bc0610d
humanhash: timing-carpet-colorado-bakerloo
File name:UnHAnaAW.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:76'796 bytes
First seen:2025-10-09 22:46:44 UTC
Last seen:2025-10-11 01:20:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:aaYXQQeQFvws6UwtB7SU26sBiPEum1t6Yjdf6v+xC2NrJG:azXQQeQtrXzicXjdSv+x
TLSH T13F738D75D41EACE8C0004338E5F29AB51B53B40692372EFB9ED286694047EF8F6293F5
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 :
89
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
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Unix.Dropper.Mirai-7135890-0
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Unix.Dropper.Mirai-7135939-0
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Unix.Dropper.Mirai-7136025-0
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Unix.Dropper.Mirai-7136288-0
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Unix.Trojan.Mirai-7138377-0
Create hunting rule

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

Unix.Trojan.Mirai-7674518-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
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Unix.Dropper.Mirai-9977145-0
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Unix.Trojan.Mirai-10057021-0
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/68e83b80fe81c560ba5636d3/reports/1e64657e-4ded-4be8-b163-0a5b45f56476/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-09T18:51:00Z UTC
Last seen:
2025-10-11T18:36:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b99efc2f0d9968e8b8d246af1f7e68a8a8bc2bf31db01259d4c29f955642736a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/55e32c3f-becc-4666-a0f7-99666625dc7f
Behavior Graph:
Download SVG
%3 guuid=1b2f13ef-1800-0000-8e2e-4097bc0d0000 pid=3516 /usr/bin/sudo guuid=a0019af1-1800-0000-8e2e-4097c20d0000 pid=3522 /tmp/sample.bin guuid=1b2f13ef-1800-0000-8e2e-4097bc0d0000 pid=3516->guuid=a0019af1-1800-0000-8e2e-4097c20d0000 pid=3522 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b166fb46-4e96-437a-af3f-5c3d05b0f8a5
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1792475
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/b99efc2f0d9968e8b8d246af1f7e68a8a8bc2bf31db01259d4c29f955642736a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b99efc2f0d9968e8b8d246af1f7e68a8a8bc2bf31db01259d4c29f955642736a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-09 22:48:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgppylyntfuorogsi2xr67tivculyk7tdwybewouykpzkvsconva._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:echobot family:mirai linux
Link:
https://tria.ge/reports/251009-2qrcaacp41/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135890-0
YARA:
n/a
Link:
https://app.threat.zone/submission/0a868e6c-96dd-4589-8b53-85fca681e723
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/b99efc2f0d9968e8b8d246af1f7e68a8a8bc2bf31db01259d4c29f955642736a

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: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: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 b99efc2f0d9968e8b8d246af1f7e68a8a8bc2bf31db01259d4c29f955642736a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3627106/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3627002/
  
URLhaus
https://urlhaus.abuse.ch/url/3667540/
  
URLhaus
https://urlhaus.abuse.ch/url/3667542/

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