MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99faa4e7767cca64b949aa048229f0334b166fa11cbc421a7aea9287d4c582a9. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99faa4e7767cca64b949aa048229f0334b166fa11cbc421a7aea9287d4c582a9
SHA3-384 hash: de633445410e709d1ff28052ec09915cefbf526ce7b77ce91dbbda1d5fdc8ec8c3b39d3fc1601a2fcc41dd962617b331
SHA1 hash: e7516301ded649c316a10019d801650803c2b830
MD5 hash: adc45db4c5ce63f24e3c92d881aefc3f
humanhash: mars-early-johnny-salami
File name:armv6l
Download: download sample
Signature Mirai
Create hunting rule
File size:73'064 bytes
First seen:2026-08-19 17:06:32 UTC
Last seen:2026-08-20 13:56:02 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:ZW/Nhkqda8nx45Eyj0pzka+xrTYlIHTcIBWL6CKaBowEcQLd:ZWVdDx45J0pIa+9E8oIt9aBpGLd
TLSH T12A6302124213EDE1E6216933EC3A4E96A66D4DB5507D78C3192C368A3BC1DFA53A9CC3
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 UPX
File size (compressed) :73'064 bytes
File size (de-compressed) :187'028 bytes
Format:linux/arm
Unpacked file: a3be1a5f83c3ccb843635fa3019140e93e1f8840f10ebff636ed25a398894ad9

Intelligence

File Origin
# of uploads :
2
# of downloads :
61
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/dcb6a8ff-5b9c-4854-bcc7-ded4f0fe125c/
Detection(s):
SecuriteInfo.com.Linux.Rootkit.420.21925.11635.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/6a85e29d24529faa317a7365/reports/7d7391c3-f6ec-48c0-b2b6-b44146a017d1/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/99faa4e7767cca64b949aa048229f0334b166fa11cbc421a7aea9287d4c582a9
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/eee99ebc-28c8-4da5-adfe-ce8b854aac51
Behavior Graph:
Download SVG
%3 guuid=e23eec06-1900-0000-d1d9-cc7a860c0000 pid=3206 /usr/bin/sudo guuid=36ee470a-1900-0000-d1d9-cc7a880c0000 pid=3208 /tmp/sample.bin guuid=e23eec06-1900-0000-d1d9-cc7a860c0000 pid=3206->guuid=36ee470a-1900-0000-d1d9-cc7a880c0000 pid=3208 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/76873287-d248-47a4-834e-1be9cd0e4edc
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/99faa4e7767cca64b949aa048229f0334b166fa11cbc421a7aea9287d4c582a9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99faa4e7767cca64b949aa048229f0334b166fa11cbc421a7aea9287d4c582a9/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-19 17:07:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 23 (47.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=th5kjz3wptfgjokjviciekpqgnfrm35bds6eegt25kjipvgfqkuq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Link:
https://tria.ge/reports/260819-vmqg9a1wb1/
Behaviour
Reads runtime system information
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/99faa4e7767cca64b949aa048229f0334b166fa11cbc421a7aea9287d4c582a9

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 99faa4e7767cca64b949aa048229f0334b166fa11cbc421a7aea9287d4c582a9

(this sample)

Mirai

elf a3be1a5f83c3ccb843635fa3019140e93e1f8840f10ebff636ed25a398894ad9

  
URLhaus
https://urlhaus.abuse.ch/url/3893764/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a3be1a5f83c3ccb843635fa3019140e93e1f8840f10ebff636ed25a398894ad9
  
Dropping
MD5 6d74327abc602fc7c451201351f3ddf5

Comments