MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97b4d91cdf8381fd41328dfe32f3a251b534dd9f113ac9ec9f846d3addf04101. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 97b4d91cdf8381fd41328dfe32f3a251b534dd9f113ac9ec9f846d3addf04101
SHA3-384 hash: 19bcaab35b488c75b888dc32fc208c44d7aa69435f34da8fd747f8a0bd5b3d232b7c504f9b781bd9739fea99ed5e15b1
SHA1 hash: 4e427d6f7da466c8752e505c712e78cafdc528af
MD5 hash: bae600c43e71d24ffd152a588051c0f3
humanhash: single-delta-sodium-carolina
File name:kitty.armv5l
Download: download sample
Signature Mirai
Create hunting rule
File size:67'132 bytes
First seen:2025-08-17 09:14:59 UTC
Last seen:2025-08-20 06:36:47 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:8xVAiZVw6+kOShHG7nNbFKOCD5sNqL+iMkBb6pMbvm/OF9BIr:8/zZVw6+k9hHEpCD55ic6aigS
TLSH T16B63F955F580CB32C6D1267AFB5E428C33130B78D3DA3206DD249B3967EBA564F3A906
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 :
5
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.10072.9472.7201.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin remote threat
Link:
https://www.filescan.io/uploads/68a19e19419c816a6e896a8c/reports/2f18aae6-d3bb-443e-bb09-99c1b166adf4/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/01ccc9e0-2b69-4e86-b616-ae154827073f
Behavior Graph:
Download SVG
%3 guuid=ef01b923-1900-0000-c9aa-50d39f090000 pid=2463 /usr/bin/sudo guuid=f11d7c26-1900-0000-c9aa-50d3a9090000 pid=2473 /tmp/sample.bin guuid=ef01b923-1900-0000-c9aa-50d39f090000 pid=2463->guuid=f11d7c26-1900-0000-c9aa-50d3a9090000 pid=2473 execve
Malware family:
Ngioweb
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c6b5812b-b44a-4d73-bcd3-c1db43459496
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1758784
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758784 Sample: kitty.armv5l.elf Startdate: 17/08/2025 Architecture: LINUX Score: 52 17 169.254.169.254, 80 USDOSUS Reserved 2->17 19 noname-3d45fa2f.online 66.78.40.221, 50662, 9080 QUICKPACKETUS United States 2->19 21 daisy.ubuntu.com 2->21 23 Multi AV Scanner detection for submitted file 2->23 8 kitty.armv5l.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 kitty.armv5l.elf 8->12         started        process6 14 kitty.armv5l.elf 12->14         started        signatures7 25 Sample deletes itself 14->25
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/97b4d91cdf8381fd41328dfe32f3a251b534dd9f113ac9ec9f846d3addf04101
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/97b4d91cdf8381fd41328dfe32f3a251b534dd9f113ac9ec9f846d3addf04101/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-16 07:18:10 UTC
File Type:
ELF32 Little (SO)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=s62nshg7qoa72qjsrx7df45ckg2tjxm7ce5mt3e7qrwtvxpqieaq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250817-k8zb6stycz/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/290673a8-ef1c-49b9-8df9-9745457e21e1
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/97b4d91cdf8381fd41328dfe32f3a251b534dd9f113ac9ec9f846d3addf04101

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_arm_mips_ko_so
Create hunting rule
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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 97b4d91cdf8381fd41328dfe32f3a251b534dd9f113ac9ec9f846d3addf04101

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3605242/
  
Delivery method
Distributed via web download

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