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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d91fce8d3c058d7333c42fd59f4f15ed81ea22ee91283f9f5c2bd18b30d4e4db. 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: 12


Intelligence 12 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d91fce8d3c058d7333c42fd59f4f15ed81ea22ee91283f9f5c2bd18b30d4e4db
SHA3-384 hash: 2bef7a3a2f9bc332c1a34cd0c8f123a2dc69b9662961b62efc875a03caaf90fefd214fa97d38f45436b617012c4220e5
SHA1 hash: 99a1d3232674b42c1eb04b21ef3cd04259b1daf8
MD5 hash: 0d4ab6e2dd06883eecdc1c770a3362ba
humanhash: fanta-charlie-sad-winner
File name:d91fce8d3c058d73.bin
Download: download sample
Signature Mirai
Create hunting rule
File size:362'160 bytes
First seen:2026-10-31 08:25:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:weFSYyAGO7pDx+tTDFMJN/ZVKOa9ycWv:o3AGO7plI/Fipa9yN
TLSH T15E744B8C92F6FBCEE298EB759315BC1668372636309371D6700EA66B43BB18445F9D30
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 Tuxxin
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.32144.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-44.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
DNS request
Opens a port
Runs as daemon
Connection attempt
Sends data to a server
Kills processes
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 expand gcc lolbin masquerade mirai rust
Link:
https://www.filescan.io/uploads/6ae5a62bef589e7fe028bafe/reports/5a9063ff-eab8-46d5-946f-e868d93e4032/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
custom
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/d91fce8d3c058d7333c42fd59f4f15ed81ea22ee91283f9f5c2bd18b30d4e4db
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
type: 192.0.2.14:153
type: 198.51.100.42:153
type: 203.0.113.77:153
type: 192.0.2.201:153
type: 198.51.100.13:153
type: 192.0.2.14:253
type: 198.51.100.42:253
type: 203.0.113.77:253
type: 192.0.2.201:253
type: 198.51.100.13:253
type: 192.0.2.14:353
type: 198.51.100.42:353
type: 203.0.113.77:353
type: 192.0.2.201:353
type: 198.51.100.13:353
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-10-28T10:41:00Z UTC
Last seen:
2026-11-01T19:33:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d91fce8d3c058d7333c42fd59f4f15ed81ea22ee91283f9f5c2bd18b30d4e4db/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9808ccf0-10df-4b34-baed-13c25f6ed872
Behavior Graph:
Download SVG
%3 guuid=9a68192c-1800-0000-388b-8b1bad0b0000 pid=2989 /usr/bin/sudo guuid=0e321b2f-1800-0000-388b-8b1bb50b0000 pid=2997 /tmp/sample.bin guuid=9a68192c-1800-0000-388b-8b1bad0b0000 pid=2989->guuid=0e321b2f-1800-0000-388b-8b1bb50b0000 pid=2997 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/655707c0-7f34-4d24-bbb2-9601eb5de590
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d91fce8d3c058d7333c42fd59f4f15ed81ea22ee91283f9f5c2bd18b30d4e4db
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d91fce8d3c058d7333c42fd59f4f15ed81ea22ee91283f9f5c2bd18b30d4e4db/
Threat name:
Linux.Exploit.DirtyFrag
Create hunting rule
Status:
Malicious
First seen:
2026-10-28 05:54:54 UTC
File Type:
ELF64 Little (Exe)
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ep45dj4awgxgm6ef7kz6tyv5wa6uixoseud7h24fpiywmgu4tnq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet linux
Link:
https://tria.ge/reports/261031-kbypdabz3l/
Malware Family:
mirai
Create hunting rule
Malicious:
True
Tags:
elf exploit cve-2026-46300 arm cve-2026-43284 64bits sets-process-name detect-debug-environment tunneling
Link:
https://intel.virussign.com/intelligence/file/d91fce8d3c058d7333c42fd59f4f15ed81ea22ee91283f9f5c2bd18b30d4e4db
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/d91fce8d3c058d7333c42fd59f4f15ed81ea22ee91283f9f5c2bd18b30d4e4db

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_IoT_Persistence_Hunt
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Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Packer_Dropper_Fileless_Armhf
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Author:Serhii Kocherhan
Description:Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:EXPL_HKTL_LNX_DirtyFragShellcode_May26
Create hunting rule
Author:Pezier Pierre-Henri (Nextron Systems)
Description:Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:EXPL_LNX_DirtyFrag_ForensicArtefacts_May26
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Author:Florian Roth
Description:Detects DirtyFrag exploit code POC usage in Linux environments
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:linux_generic_ipv6_catcher
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Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:linux_generic_ipv6_variants_catcher
Create hunting rule
Author:@_lubiedo
Description:Find IPv6 capable malware for a set of IoT variants
Rule name:linux_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:LIN_Malware_Unknown_ForgeAuto_0daebbb8
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (elf, etat binaire)
Rule name:MIRAI_OHSHIT_payload
Create hunting rule
Author:AfterPacket
Description:MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:NSVPS_Hydra_SSH_Bruteforce
Create hunting rule
Author:sanad (NSVPS-SOC)
Description:Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot
Rule name:NSVPS_Mirai_Busybox_Staging
Create hunting rule
Author:sanad (NSVPS-SOC)
Description:Mirai-style busybox wget/tftp payload staging seen in NSVPS honeypot
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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: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 d91fce8d3c058d7333c42fd59f4f15ed81ea22ee91283f9f5c2bd18b30d4e4db

(this sample)

  
Delivery method
Distributed via web download

Comments