MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8281ae1873e7525e81f4c74ab66dd5fe6c38321bfc2b4a51c0da7fa9b3e4688. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8281ae1873e7525e81f4c74ab66dd5fe6c38321bfc2b4a51c0da7fa9b3e4688
SHA3-384 hash: f2a00f9501023f7b5115b9499fa78cc36b84bb37b8895f2a229a57a893aabb9510da0b0e35cf87f77f791bf3aa63d9a6
SHA1 hash: b2b871a93ef93111c0cdc2b2d30c5e5aa5de8ff1
MD5 hash: 15ae51a8f5e43f1f838de150650f1e10
humanhash: montana-magnesium-venus-coffee
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:70'816 bytes
First seen:2025-11-22 21:34:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:WawwtcFJsypr2tAT2ozkyvlKhuXdXU8CBAHSug7RP:WrzJJpeIxtvshwU8jSugl
TLSH T1B0638E67C529AD94C54992F4B8B0CE750B23F61482832FF71A86C27A5043EACF64D3F8
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 :
72
Origin country :
DE DE
Vendor Threat Intelligence
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:
mirai
Link:
https://www.filescan.io/uploads/69222c9ceecb08e4aa4508a8/reports/8fa0b16a-4723-4f6a-9ebb-ef0351c84f5d/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-22T16:49:00Z UTC
Last seen:
2025-11-22T17:18:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a8281ae1873e7525e81f4c74ab66dd5fe6c38321bfc2b4a51c0da7fa9b3e4688/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/82454fff-d850-4147-8124-448e01403d5a
Behavior Graph:
Download SVG
%3 guuid=e420d5d8-1600-0000-2903-f70ad70d0000 pid=3543 /usr/bin/sudo guuid=a101a8db-1600-0000-2903-f70ae30d0000 pid=3555 /tmp/sample.bin guuid=e420d5d8-1600-0000-2903-f70ad70d0000 pid=3543->guuid=a101a8db-1600-0000-2903-f70ae30d0000 pid=3555 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/03884b98-94cf-48fb-840d-77766d4b20b0
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1819186
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819186 Sample: sh4.elf Startdate: 22/11/2025 Architecture: LINUX Score: 72 24 203.81.212.153, 23 WORLDCALL-AS-KHIWorldcallTelecomLimitedPK Pakistan 2->24 26 173.214.223.131, 23 WATC-1US United States 2->26 28 39 other IPs or domains 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 8 systemd snap-failure 2->8         started        10 sh4.elf 2->10         started        signatures3 process4 process5 12 snap-failure systemctl 8->12         started        14 snap-failure 8->14         started        16 sh4.elf 10->16         started        18 sh4.elf 10->18         started        process6 20 sh4.elf 16->20         started        22 sh4.elf 16->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a8281ae1873e7525e81f4c74ab66dd5fe6c38321bfc2b4a51c0da7fa9b3e4688
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a8281ae1873e7525e81f4c74ab66dd5fe6c38321bfc2b4a51c0da7fa9b3e4688/
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-22 21:35:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vaubvymhhz2sl2a7jr2kwzw5l7tmhazbx7bljji4bwt7vgz6i2ea._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251122-1fhrqatmgv/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/b0a3091f-fdc3-4a13-8bda-b68f8ca5ed18
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: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 a8281ae1873e7525e81f4c74ab66dd5fe6c38321bfc2b4a51c0da7fa9b3e4688

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3700422/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3712978/

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