MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83f1afac0ea44d89415f159c46ff1e62887269c5b93384d61036555c119c033e. 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 5 File information Comments
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SHA256 hash: 83f1afac0ea44d89415f159c46ff1e62887269c5b93384d61036555c119c033e
SHA3-384 hash: 1d6b8e4cb7fcb3a587d48bd17629e7dc092e0b63ff37fbf29c0d512a2c4fdb00a3f2927cdf24bebcfce741a0d0965993
SHA1 hash: bf49718521e5dfceebe4c04725a09b3f96962046
MD5 hash: 41dc7ef6b27735b220de7abb5abaa813
humanhash: carbon-gee-missouri-november
File name:sora.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:88'720 bytes
First seen:2025-12-05 05:26:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:WuXW3UTVavjqVQywbPxPP/ww39lT2TiUeL6SZJizKzC:WuXW25VYDUjSGz
TLSH T12D83D60ABB604EFBECABDC3745EA1706209D552A30A96F75B534D918F14F20F2AD3934
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 aa1c35a77ff6dd1af57da0a8af9221f87dfc7537bbb47037a75afd1226f903cc
File size (compressed) :30'324 bytes
File size (de-compressed) :88'720 bytes
Format:linux/mipsel
Packed file: aa1c35a77ff6dd1af57da0a8af9221f87dfc7537bbb47037a75afd1226f903cc

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
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/fa326c6a-57b1-4808-bfeb-c6b6e2a784ef/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

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

Unix.Trojan.Mirai-9819563-0
Create hunting rule

Unix.Trojan.Mirai-9820623-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/69326d34bba50eaf04225cfd/reports/392ed0ac-46c0-410f-8d0a-84864c12161a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-05T05:57:00Z UTC
Last seen:
2025-12-05T06:41:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/83f1afac0ea44d89415f159c46ff1e62887269c5b93384d61036555c119c033e/results?tab=lookup
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1827018
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1827018 Sample: sora.mpsl.elf Startdate: 05/12/2025 Architecture: LINUX Score: 88 28 82.68.141.25, 23 ZEN-ASZenInternet-UKGB United Kingdom 2->28 30 61.45.156.12 XEPHIONNTT-MECorporationJP China 2->30 32 98 other IPs or domains 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Mirai 2->40 8 sora.mpsl.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 sora.mpsl.elf 8->16         started        18 sora.mpsl.elf 8->18         started        20 sora.mpsl.elf 8->20         started        process6 22 sora.mpsl.elf 16->22         started        24 sora.mpsl.elf 16->24         started        26 sora.mpsl.elf 16->26         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/83f1afac0ea44d89415f159c46ff1e62887269c5b93384d61036555c119c033e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/83f1afac0ea44d89415f159c46ff1e62887269c5b93384d61036555c119c033e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-05 05:27:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qpy27laourgysqk7cwoen7y6mkehe2ofxezyjvqqgzkvyem4am7a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
Link:
https://tria.ge/reports/251205-f5j1vstkbs/
Behaviour
Reads runtime system information
Changes its process name
Modifies Watchdog functionality
Contacts a large (47847) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7135890-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2
Link:
https://app.threat.zone/submission/4ffcc480-0f19-43ef-ae01-7f07a5885ea0
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/83f1afac0ea44d89415f159c46ff1e62887269c5b93384d61036555c119c033e

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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: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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf aa1c35a77ff6dd1af57da0a8af9221f87dfc7537bbb47037a75afd1226f903cc

Mirai

elf 83f1afac0ea44d89415f159c46ff1e62887269c5b93384d61036555c119c033e

(this sample)

  
Dropped by
SHA256 aa1c35a77ff6dd1af57da0a8af9221f87dfc7537bbb47037a75afd1226f903cc
  
URLhaus
https://urlhaus.abuse.ch/url/3723635/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 254cb92eadb7617e0a8674672bd6724f

Comments