MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f451fa5d75133fe34a4098df4db44be804eef6335148bfa8000e6dc22ecd6c9. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9f451fa5d75133fe34a4098df4db44be804eef6335148bfa8000e6dc22ecd6c9
SHA3-384 hash: 90713e95532ef4ce5f8a4ccea3a80a660c23ec9c2bc3b09bffc5c537fb2b8683983463c477417be090a65be44afb86d4
SHA1 hash: 536402df99839f46f76301cec8b4c213bc29ee07
MD5 hash: 9ac6dd60edfa0679410cd1cefa37b261
humanhash: comet-september-batman-johnny
File name:Orbt.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:253'868 bytes
First seen:2025-10-23 00:09:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:yr4vD61zisq4KIAKpalopCsNANPPIIjX2Ja:rMisRKCCVea
TLSH T16844A50E6E229F7DF7B8873447B38E24975D23D627E1D684D1ACD6101F6028E641FBA8
telfhash t13f41b318097913b462396c5d489dff2ad6a330db7e165c238e51e86deb69e439e10c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 f4f06d0ae95ba330be4a28a821509105f7b28819a5c85a3087f5e505c51b0135
File size (compressed) :78'916 bytes
File size (de-compressed) :253'212 bytes
Format:linux/mips
Packed file: f4f06d0ae95ba330be4a28a821509105f7b28819a5c85a3087f5e505c51b0135

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Link:
https://www.filescan.io/uploads/68f972c4c85c5c569732ffe7/reports/bae7ac79-7ed9-401c-a4c8-b7eb2272fb48/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-22T21:16:00Z UTC
Last seen:
2025-10-23T12:39:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Link:
https://opentip.kaspersky.com/9f451fa5d75133fe34a4098df4db44be804eef6335148bfa8000e6dc22ecd6c9/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bfe4fe63-2841-4962-be27-277a036ae265
Behavior Graph:
Download SVG
%3 guuid=6db3cf8e-1a00-0000-93dd-1b09560b0000 pid=2902 /usr/bin/sudo guuid=6c714092-1a00-0000-93dd-1b095e0b0000 pid=2910 /tmp/sample.bin guuid=6db3cf8e-1a00-0000-93dd-1b09560b0000 pid=2902->guuid=6c714092-1a00-0000-93dd-1b095e0b0000 pid=2910 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a7d36f22-9a84-4c07-883e-70084d596c27
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1800258
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1800258 Sample: Orbt.mips.elf Startdate: 23/10/2025 Architecture: LINUX Score: 68 22 mirailoversddos.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Gafgyt 2->32 8 Orbt.mips.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 Orbt.mips.elf 8->12         started        14 Orbt.mips.elf 8->14         started        16 Orbt.mips.elf 8->16         started        process6 18 Orbt.mips.elf 12->18         started        20 Orbt.mips.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9f451fa5d75133fe34a4098df4db44be804eef6335148bfa8000e6dc22ecd6c9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9f451fa5d75133fe34a4098df4db44be804eef6335148bfa8000e6dc22ecd6c9/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/9f451fa5d75133fe34a4098df4db44be804eef6335148bfa8000e6dc22ecd6c9
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-23 00:11:56 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t5cr7joxkez74nfebgg7jw2ex2ae533dgukix6uaadtnyixm23eq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251023-agrg5sdr7z/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/5c838fb5-178a-4d43-814c-98ef91de232b
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/9f451fa5d75133fe34a4098df4db44be804eef6335148bfa8000e6dc22ecd6c9

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 f4f06d0ae95ba330be4a28a821509105f7b28819a5c85a3087f5e505c51b0135

Mirai

elf 9f451fa5d75133fe34a4098df4db44be804eef6335148bfa8000e6dc22ecd6c9

(this sample)

  
Dropped by
SHA256 f4f06d0ae95ba330be4a28a821509105f7b28819a5c85a3087f5e505c51b0135
  
URLhaus
https://urlhaus.abuse.ch/url/3682107/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 7b7cf55ca17f394da229893e661b78e8

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