MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a91677223a41e1303b662e375206363595f837a668908249f4eff288e0b41143. 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 8 File information Comments
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SHA256 hash: a91677223a41e1303b662e375206363595f837a668908249f4eff288e0b41143
SHA3-384 hash: 19fec6659cdddb91411bf30a17beacef3af0c670bf43b89e0f577588aa2e2371327eb3cb8090fc474e85cbd033556428
SHA1 hash: c814655713c5df19926537daa0f3309e3e074699
MD5 hash: 690cba288b5f793412cffc182fa1295b
humanhash: equal-beer-south-island
File name:miraint.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:71'568 bytes
First seen:2025-12-17 17:58:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:CDScD5GY2naf8i2Sxt9yYExR15IC45PTemle5Re5brvuX5XiANe1j9WE:CDSC5G9afb249FK/4Zfl8RWb7Sq1
TLSH T1DF639209BF611FF7EC6FDC374AE9274525DD641A21A83B397930E818F24A24B19E3874
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
49
Origin country :
DE DE
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/ceff3137-f960-4465-a9da-1b8226182102/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30419.LX.M0Z.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7136070-0
Create hunting rule

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

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai
Link:
https://www.filescan.io/uploads/6942ef8784afa5547b591e07/reports/e0cc166d-2769-461b-ba38-b86eb06dea94/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-17T15:59:00Z UTC
Last seen:
2025-12-19T00:17:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a91677223a41e1303b662e375206363595f837a668908249f4eff288e0b41143/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/baa484bb-3e25-4405-a3a4-cd45167ed8aa
Behavior Graph:
Download SVG
%3 guuid=d460a3b4-1900-0000-7f4c-66a5dd060000 pid=1757 /usr/bin/sudo guuid=431501b7-1900-0000-7f4c-66a5e0060000 pid=1760 /tmp/sample.bin guuid=d460a3b4-1900-0000-7f4c-66a5dd060000 pid=1757->guuid=431501b7-1900-0000-7f4c-66a5e0060000 pid=1760 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/39fb660c-9520-41fa-bb6d-5d78217fdee2
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1835129
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1835129 Sample: miraint.mpsl.elf Startdate: 17/12/2025 Architecture: LINUX Score: 84 21 169.254.169.254, 80 USDOSUS Reserved 2->21 23 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->23 25 5 other IPs or domains 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Mirai 2->33 8 miraint.mpsl.elf 2->8         started        11 python3.8 dpkg 2->11         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 35 Sample deletes itself 8->35 17 miraint.mpsl.elf 8->17         started        process6 process7 19 miraint.mpsl.elf 17->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a91677223a41e1303b662e375206363595f837a668908249f4eff288e0b41143
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a91677223a41e1303b662e375206363595f837a668908249f4eff288e0b41143/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-17 17:49:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=velhoir2ihqtao3gfy3vebrwgwk7qn5gnciiespu57ziryfucfbq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251217-wkxdfscv4b/
Behaviour
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Deletes itself
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/32e57627-7d74-4d5a-a7b7-b2d1344a7b1e
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/a91677223a41e1303b662e375206363595f837a668908249f4eff288e0b41143

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:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
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 a91677223a41e1303b662e375206363595f837a668908249f4eff288e0b41143

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735493/
  
Delivery method
Distributed via web download

Comments