MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f8b878ad9fe80bec4b9e1ab291e379c9587b7ed80dd5be66091ed8581f51dfd. 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: 9


Intelligence 9 IOCs YARA 9 File information Comments

SHA256 hash: 5f8b878ad9fe80bec4b9e1ab291e379c9587b7ed80dd5be66091ed8581f51dfd
SHA3-384 hash: 282ebcec1a1c3bd429c0ff0f96841b7d6fda65cffa93d14510023d7c13413ac24da175d0e6291c978a36bb0ee30c2602
SHA1 hash: 861ac541a29317c332a628ad78979e9708fa4e5c
MD5 hash: 5e635a8d5c1b99f550264d0d26d7deaa
humanhash: saturn-papa-oscar-august
File name:S3o.arm5
Download: download sample
Signature Mirai
File size:81'500 bytes
First seen:2025-12-01 04:37:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:EPmBcPJUqiBlU+utCt12AGIkyxFXyQ2csFOPOCHFmKgAHCe:EPmBcPJUqiBlV34OPOCt3
TLSH T104830842B8828B3BC6E0237AA66F658E37A167E5D3DF3117DD249B21378111F1D67E80
telfhash t10fe06140fe764b1884e75a34ecdd47b495116217a1664710cf54daf0883f15ca71cd5e
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 55270354a25e6f143ab99369d1e5129dd6a9f629924aea60f59e520b79cdb4ce
File size (compressed) :30'968 bytes
File size (de-compressed) :81'500 bytes
Format:linux/arm
Packed file: 55270354a25e6f143ab99369d1e5129dd6a9f629924aea60f59e520b79cdb4ce

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
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
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
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:
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 5f8b878ad9fe80bec4b9e1ab291e379c9587b7ed80dd5be66091ed8581f51dfd

(this sample)

  
Delivery method
Distributed via web download

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