MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf5aa271be37d0c03dc951c456f5d74e0e471e263b6d9a5115d8add1dd9e08e5. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf5aa271be37d0c03dc951c456f5d74e0e471e263b6d9a5115d8add1dd9e08e5
SHA3-384 hash: 49ca7195b7724580cdab7b3bc721cc45f7ce6dbd82c2fbef5b29fe0bd27547166106f572e4e2fb72a1dab4695205bd47
SHA1 hash: d28cd4b665785908dbd1974ce2a524f00f835e96
MD5 hash: 0948d275f24050a42fafd6e37f505827
humanhash: pip-hawaii-vermont-carbon
File name:Orbt.spc
Download: download sample
Signature Mirai
Create hunting rule
File size:71'748 bytes
First seen:2025-10-20 22:48:22 UTC
Last seen:2025-10-21 11:57:03 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Vjbym8zsUvI/5eMq+rwwAu+2D2vQEOBASwgfWEtPGgF2:VHlAHer9HOqAOfVpo
TLSH T11C632862B27C1B27D4F0963952B6772372E92A840474C78FBD650E1FAE633D0291B7B4
telfhash t1b211c8b1af74da494092c82488fc0316a81fc16a1428de0bdf20cadc04be40ee62ad2f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
129
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-2.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-9441505-0
Create hunting rule

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

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

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Link:
https://www.filescan.io/uploads/68f6bc5d3a79800405ed1f2c/reports/c6d642d1-0a6b-494e-ba8a-15b114606aaf/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-20T19:48:00Z UTC
Last seen:
2025-10-20T22:35:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bf5aa271be37d0c03dc951c456f5d74e0e471e263b6d9a5115d8add1dd9e08e5/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c35d5f32-91e3-4dfb-bcef-9e286f26bdb9
Behavior Graph:
Download SVG
%3 guuid=cd19fe9a-1a00-0000-cc97-88b43e0a0000 pid=2622 /usr/bin/sudo guuid=8231d49c-1a00-0000-cc97-88b4430a0000 pid=2627 /tmp/sample.bin guuid=cd19fe9a-1a00-0000-cc97-88b43e0a0000 pid=2622->guuid=8231d49c-1a00-0000-cc97-88b4430a0000 pid=2627 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7ec9a6da-dab9-46e9-aa52-dc02dedb39d5
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1798731
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bf5aa271be37d0c03dc951c456f5d74e0e471e263b6d9a5115d8add1dd9e08e5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf5aa271be37d0c03dc951c456f5d74e0e471e263b6d9a5115d8add1dd9e08e5/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-20 22:49:32 UTC
File Type:
ELF32 Big (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x5nke4n6g7imapojkhcfn5oxjyheohrghnwzuuiv3cw5dxm6bdsq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251020-2rls7acz3c/
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/bf5aa271be37d0c03dc951c456f5d74e0e471e263b6d9a5115d8add1dd9e08e5

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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 bf5aa271be37d0c03dc951c456f5d74e0e471e263b6d9a5115d8add1dd9e08e5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3682105/
  
Delivery method
Distributed via web download

Comments