MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9f84a2b06b15ec53f3ebdcf1d2495d509f8fc9ddd919b48321dafbfac03e8c4. 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 7 File information Comments
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SHA256 hash: b9f84a2b06b15ec53f3ebdcf1d2495d509f8fc9ddd919b48321dafbfac03e8c4
SHA3-384 hash: 404190e8bde7faa56d667abc58159765c1259e29eaa58b78a6501e51910006d687933643b86312c2426d68902d02d273
SHA1 hash: 8343e09490acb5277941adadd7636171988abc0b
MD5 hash: 80b8ddb0289bdd0eed8257b03758d025
humanhash: aspen-artist-avocado-romeo
File name:efefa7
Download: download sample
Signature Mirai
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File size:176'951 bytes
First seen:2025-05-06 13:52:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:k5H5MJOvrxvqJWsa+j/z645tng0wbs3U6QAv4HMeuM/9QXzzUq:WH5M0ywsa+j/z6459gjsk6Q24HMdM/9A
TLSH T107043B56E6418B17C0D61BBAB6DF424533239B64D3DB33069928BFB43F867AE0E23505
telfhash t15b311131576598166a61dca0c9fd57f2251e86171784ef33df3bc99c280a04eb627c4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30423.LX.BOT.UNOFFICIAL
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Unix.Dropper.Mirai-7135925-0
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Unix.Dropper.Mirai-7135928-0
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Unix.Trojan.Mirai-9441505-0
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Unix.Trojan.Mirai-9760303-0
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Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681a14e18474cc94a4e4744dlinux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
DNS request
Creating a file
Kills processes
Opens a port
Receives data from a server
Sends data to a server
Deletes a system binary file
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash explorer gcc lolbin mirai remote
Link:
https://www.filescan.io/uploads/681a140d0b64e174c41a00ee/reports/2ce6b1fe-69fe-4518-bcfe-a1bec5ae9540/overview
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/690f4354-dc7e-4ca2-afaf-26ea154c567b
Result
Threat name:
Aquabot, Mirai
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Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1682260
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Sends malformed DNS queries
Yara detected Aquabot
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1682260 Sample: efefa7.elf Startdate: 06/05/2025 Architecture: LINUX Score: 72 17 raw.awaken-network.net. [malformed] 2->17 19 raw.awaken-network.net 141.98.10.142, 2211, 35880, 36024 HOSTBALTICLT Lithuania 2->19 21 Multi AV Scanner detection for submitted file 2->21 23 Yara detected Aquabot 2->23 25 Yara detected Mirai 2->25 8 efefa7.elf 2->8         started        signatures3 27 Sends malformed DNS queries 17->27 process4 process5 10 efefa7.elf 8->10         started        signatures6 29 Sample deletes itself 10->29 13 efefa7.elf 10->13         started        15 efefa7.elf 10->15         started        process7
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b9f84a2b06b15ec53f3ebdcf1d2495d509f8fc9ddd919b48321dafbfac03e8c4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9f84a2b06b15ec53f3ebdcf1d2495d509f8fc9ddd919b48321dafbfac03e8c4/
Threat name:
Linux.Worm.Mirai
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Status:
Malicious
First seen:
2025-05-06 13:11:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xh4eukygwfpmkpz6xxhr2jev2ue7r7e53wizwsbsdwx37lad5dca._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:botnet credential_access discovery
Link:
https://tria.ge/reports/250506-q6e4eaen7s/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Deletes itself
Malware Config
C2 Extraction:
141.98.10.142
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b9f84a2b06b15ec53f3ebdcf1d2495d509f8fc9ddd919b48321dafbfac03e8c4

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
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Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 b9f84a2b06b15ec53f3ebdcf1d2495d509f8fc9ddd919b48321dafbfac03e8c4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3533747/
  
Delivery method
Distributed via web download

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