MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9527cfbbc7c89fb1e378db72aa00cd078db99c581b45bf41da4f16bec32af73. 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: 10


Intelligence 10 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9527cfbbc7c89fb1e378db72aa00cd078db99c581b45bf41da4f16bec32af73
SHA3-384 hash: fb4c78f5bd629eda3e890abd14e4748cc9da7be489910bab1e68eb7548a5831f0c3fb119075c7b219793f472d447157f
SHA1 hash: 3c390a981bfd1b24733e66b3422b8fb87442ed1f
MD5 hash: 9b048a25e442d2e131e114ec808c5fc1
humanhash: thirteen-finch-ink-carolina
File name:SecuriteInfo.com.Linux.Siggen.9999.142.20025
Download: download sample
Signature Mirai
Create hunting rule
File size:159'280 bytes
First seen:2025-12-03 13:18:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:QLqolg1R7OscR6NLctYns7SeYl/vQ8zVFP:loq1R5jNItV18zL
TLSH T1A5F3E80AEB710FF7ECAFCD3705A91746259C581622A82F727630D46CF68B28F25D3964
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 0736885e677bd68b361aea496c36c7035f04a1ba48520f6e11bdf791906dca2e
File size (compressed) :47'424 bytes
File size (de-compressed) :159'280 bytes
Format:linux/mipsel
Packed file: 0736885e677bd68b361aea496c36c7035f04a1ba48520f6e11bdf791906dca2e

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/c870fcb2-db86-4d92-b23c-ad7885cf33b6/
Detection(s):
Sanesecurity.Malware.29502.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30442.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135906-0
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Dropper.Mirai-7135979-0
Create hunting rule

Unix.Dropper.Mirai-7135980-0
Create hunting rule

Unix.Dropper.Mirai-7171384-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-9935718-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Unix.Trojan.Gafgyt-6748839-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash lolbin mirai obfuscated
Link:
https://www.filescan.io/uploads/693038d58e26c121ec95c58e/reports/c412b25a-38c3-43ba-b912-5b92d1ebb141/overview
Result
Gathering data
Gathering data
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1825387
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b9527cfbbc7c89fb1e378db72aa00cd078db99c581b45bf41da4f16bec32af73
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9527cfbbc7c89fb1e378db72aa00cd078db99c581b45bf41da4f16bec32af73/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xfjhz654pse7whrxrw3sviam2b4nxgofqg2fx5a5utywx3bsv5zq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251203-qkmw5a1jam/
Behaviour
Deletes itself
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7135870-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1
Link:
https://app.threat.zone/submission/7a32f658-f291-4992-aede-63e81dda646f
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Create hunting rule
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
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 0736885e677bd68b361aea496c36c7035f04a1ba48520f6e11bdf791906dca2e

Mirai

elf b9527cfbbc7c89fb1e378db72aa00cd078db99c581b45bf41da4f16bec32af73

(this sample)

  
Dropped by
SHA256 0736885e677bd68b361aea496c36c7035f04a1ba48520f6e11bdf791906dca2e
  
Dropped by
MD5 432b5eb11c8b2b12237b1ac931caaeba
  
URLhaus
https://urlhaus.abuse.ch/url/3723974/
  
Delivery method
Distributed via web download

Comments