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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91b1e063ea4fefaabbde9e9b71b4ff9024e28afc99174e6963043882f33e5213. 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: 91b1e063ea4fefaabbde9e9b71b4ff9024e28afc99174e6963043882f33e5213
SHA3-384 hash: 8cd7c50b112e92a56e8a8135658d749e419fdfef381f1063a64972ea99fb2664565845ea4fc33366c6aaca303fe2208d
SHA1 hash: 8b74313bbab44fa65dc82c3b1e580e2b71b05090
MD5 hash: f6e05b8a428984038a6c0a7364c18b0e
humanhash: fifteen-skylark-bluebird-fruit
File name:parm6
Download: download sample
Signature Mirai
Create hunting rule
File size:59'668 bytes
First seen:2026-09-15 00:04:44 UTC
Last seen:2026-09-15 09:06:42 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:ahWtDH36TFRiCQNi3iE/GLRF6cVb9gcLL:OWtb36TFRiP0iEE5VJgcLL
TLSH T16343026540EE8BF381A05E7A4C2D644CF8517F3882573881B4A9DA1D0A77EBE27F5087
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) :59'668 bytes
File size (de-compressed) :165'140 bytes
Format:linux/arm
Unpacked file: ba6ac641e7d4d68625562b2c1068519b01b2dc046ca375b8290905e7c779c700

Intelligence

File Origin
# of uploads :
2
# of downloads :
65
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/66454eb7-5984-40d2-b3fa-06714812880c/
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6aa88bd2e07954b27e2f983c/reports/c0af3a76-62e5-43c5-b180-f94e5bb7f14d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
60
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/91b1e063ea4fefaabbde9e9b71b4ff9024e28afc99174e6963043882f33e5213
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/51b82dfd-9f58-4047-95e9-eb7d3019d69f
Behavior Graph:
Download SVG
%3 guuid=5612e9d0-1a00-0000-7cad-d01f7e090000 pid=2430 /usr/bin/sudo guuid=95992ed4-1a00-0000-7cad-d01f82090000 pid=2434 /tmp/sample.bin guuid=5612e9d0-1a00-0000-7cad-d01f7e090000 pid=2430->guuid=95992ed4-1a00-0000-7cad-d01f82090000 pid=2434 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fde2bd4c-11d0-453f-9721-dbda8d811319
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/91b1e063ea4fefaabbde9e9b71b4ff9024e28afc99174e6963043882f33e5213
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91b1e063ea4fefaabbde9e9b71b4ff9024e28afc99174e6963043882f33e5213/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-09-15 00:05:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sgy6ay7kj7x2vo66t2nxdnh7sasofcx4telu42ldaq4if4z6kijq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260915-aden6syfnh/
Behaviour
Reads runtime system information
Writes file to shm directory
Changes its process name
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Family: Mirai
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/91b1e063ea4fefaabbde9e9b71b4ff9024e28afc99174e6963043882f33e5213

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 91b1e063ea4fefaabbde9e9b71b4ff9024e28afc99174e6963043882f33e5213

(this sample)

Mirai

elf ba6ac641e7d4d68625562b2c1068519b01b2dc046ca375b8290905e7c779c700

  
URLhaus
https://urlhaus.abuse.ch/url/3916570/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 ba6ac641e7d4d68625562b2c1068519b01b2dc046ca375b8290905e7c779c700
  
Dropping
MD5 2de1992df623ce00275b511fd8b176e1

Comments