MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a23c37a7a9bbd950c8def56e4141dcd516a135c757f98dfecdba46028cff58ca. 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 9 File information Comments
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SHA256 hash: a23c37a7a9bbd950c8def56e4141dcd516a135c757f98dfecdba46028cff58ca
SHA3-384 hash: 456d4e4fc90b12e43e0ffe7b600dd2164628aba30352fb657b706565078ca866b6e2aa2a9b91b373fd9cd41ee598ed79
SHA1 hash: a4ce1afa284fdb6973df7f941dedf7d7b0d3ce25
MD5 hash: 19b4643c9dfc8c0cfcef3d79dd3f0e91
humanhash: muppet-mars-neptune-spring
File name:mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:110'984 bytes
First seen:2025-12-27 22:16:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:G/4vZqIYcLJTnGdjNuMQRgZWqLYj3MIMi:G/y7XVLIMMQIWqLzi
TLSH T1DBB3C609BF910EF7D89FDC374AAD1B0228CD559722A83B757638C928B25B24F19D3C64
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 69e96ebc8d42a9eab8aeaa8a6a38afcab161e05db93812ede92121aea705cb42
File size (compressed) :43'064 bytes
File size (de-compressed) :110'984 bytes
Format:linux/mipsel
Packed file: 69e96ebc8d42a9eab8aeaa8a6a38afcab161e05db93812ede92121aea705cb42

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
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/09c25c0f-04e4-4969-aa05-c94b6278cde3/
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
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Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
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SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
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Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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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-7136013-0
Create hunting rule

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

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

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

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

Unix.Trojan.Mirai-9441505-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10009361-0
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Unix.Trojan.Mirai-10011027-0
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Unix.Trojan.Mirai-10011918-0
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Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-27T20:28:00Z UTC
Last seen:
2025-12-27T21:04:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a23c37a7a9bbd950c8def56e4141dcd516a135c757f98dfecdba46028cff58ca/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5788015d-5836-46a8-b182-f74173dd1d90
Behavior Graph:
Download SVG
%3 guuid=14c85c56-1900-0000-11d1-1bb3e0070000 pid=2016 /usr/bin/sudo guuid=0b5ef958-1900-0000-11d1-1bb3e7070000 pid=2023 /tmp/sample.bin guuid=14c85c56-1900-0000-11d1-1bb3e0070000 pid=2016->guuid=0b5ef958-1900-0000-11d1-1bb3e7070000 pid=2023 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d896277b-5ac9-46cc-b97d-39e1a208d98a
Result
Threat name:
Gafgyt, Mirai
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Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1840537
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840537 Sample: mpsl.elf Startdate: 27/12/2025 Architecture: LINUX Score: 88 20 bytenet.serveftp.com 45.83.207.105, 3778, 42456, 42458 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->20 22 Found malware configuration 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 3 other signatures 2->28 8 mpsl.elf 2->8         started        signatures3 process4 process5 10 mpsl.elf 8->10         started        12 mpsl.elf 8->12         started        14 mpsl.elf 8->14         started        process6 16 mpsl.elf 10->16         started        18 mpsl.elf 10->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a23c37a7a9bbd950c8def56e4141dcd516a135c757f98dfecdba46028cff58ca
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a23c37a7a9bbd950c8def56e4141dcd516a135c757f98dfecdba46028cff58ca/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-27 22:17:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ui6dpj5jxpmvbsg66vxecqo42ulkcnohk74y37wnxjdafdh7ldfa._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Link:
https://tria.ge/reports/251227-1737qs1jan/
Behaviour
Reads runtime system information
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/62f7b09a-48a3-41be-a1f3-1cd4b81bf5ac
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/a23c37a7a9bbd950c8def56e4141dcd516a135c757f98dfecdba46028cff58ca

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:ELF_Toriilike_persist
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Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
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 69e96ebc8d42a9eab8aeaa8a6a38afcab161e05db93812ede92121aea705cb42

Mirai

elf a23c37a7a9bbd950c8def56e4141dcd516a135c757f98dfecdba46028cff58ca

(this sample)

  
Dropped by
SHA256 69e96ebc8d42a9eab8aeaa8a6a38afcab161e05db93812ede92121aea705cb42
  
URLhaus
https://urlhaus.abuse.ch/url/3744954/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3744959/
  
Dropped by
MD5 7c91786f2e9cd0d02f18bd7de23f4f2f

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