MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85f27c42f81af2c3693f8861c831b0dd29d79d19725d3471183c7b25409d2f24. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 85f27c42f81af2c3693f8861c831b0dd29d79d19725d3471183c7b25409d2f24
SHA3-384 hash: 045895c3fefefe1f1fb230fe9b08f1024b4abd4b9950cf9e672385e952c38354a4c003a0bfba8253e3edafecbb26e689
SHA1 hash: 516de833e12c6572689214298deca66b38656773
MD5 hash: 8e6595aa2664bb40d12e8c5f0cdf16b8
humanhash: nevada-comet-bacon-paris
File name:sora.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:51'424 bytes
First seen:2025-11-26 22:44:50 UTC
Last seen:2025-11-26 23:49:48 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:ffZYvZxNZ/SPjiUv0w0zyIvfgJy2LHRfbXRX9q3UEL2qEK5J6OAsNTGjf2tl8XOR:EPtQjiZVcykHRDBmL15J6RN2tAo
TLSH T124330113B255BD62DE761D39B2FD8C8A3148466ED4ECAC2239C4A87062C215BFBD14E3
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
File size (compressed) :51'424 bytes
File size (de-compressed) :143'845 bytes
Format:linux/arm
Unpacked file: 8bf480cd6c605b45a8e5c699682ae7ee41f68b96bcf9cc38d9ed80d9dc932c98

Intelligence

File Origin
# of uploads :
2
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Generic-9955808-0
Create hunting rule

Unix.Trojan.Mirai-9957052-0
Create hunting rule

Unix.Trojan.Mirai-9957053-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Substitutes an application name
Kills critical processes
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/69278316cf370871515e34ca/reports/b3f9d807-7fec-4f11-9d52-589fabb0330d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
31
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/85f27c42f81af2c3693f8861c831b0dd29d79d19725d3471183c7b25409d2f24
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-26T20:21:00Z UTC
Last seen:
2025-11-26T21:46:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/85f27c42f81af2c3693f8861c831b0dd29d79d19725d3471183c7b25409d2f24/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/371c9cd5-02b3-436b-a7a2-166a3812d577
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1821471
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1821471 Sample: sora.arm7.elf Startdate: 27/11/2025 Architecture: LINUX Score: 68 48 173.189.138.79 WINDSTREAMUS United States 2->48 50 162.111.217.226, 23 WELLSFARGO-4196US United States 2->50 52 98 other IPs or domains 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected Mirai 2->58 60 Sample is packed with UPX 2->60 10 sora.arm7.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 process5 18 sora.arm7.elf 10->18         started        20 sora.arm7.elf 10->20         started        22 sora.arm7.elf 10->22         started        process6 24 sora.arm7.elf 18->24         started        26 sora.arm7.elf 18->26         started        28 sora.arm7.elf 20->28         started        30 sora.arm7.elf 20->30         started        32 sora.arm7.elf 20->32         started        process7 34 sora.arm7.elf 24->34         started        36 sora.arm7.elf 24->36         started        38 sora.arm7.elf 24->38         started        40 sora.arm7.elf 28->40         started        42 sora.arm7.elf 28->42         started        process8 44 sora.arm7.elf 34->44         started        46 sora.arm7.elf 34->46         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/85f27c42f81af2c3693f8861c831b0dd29d79d19725d3471183c7b25409d2f24
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/85f27c42f81af2c3693f8861c831b0dd29d79d19725d3471183c7b25409d2f24/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-26 22:45:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qxzhyqxydlzmg2j7rbq4qmnq3uu5phizojoti4iyhr5skqe5f4sa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/251126-2pm88sgp4v/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Contacts a large (171394) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Generic-9955808-0
YARA:
n/a
Link:
https://app.threat.zone/submission/42b3b195-a19b-407e-b266-61a6b960c603
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/85f27c42f81af2c3693f8861c831b0dd29d79d19725d3471183c7b25409d2f24

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf 85f27c42f81af2c3693f8861c831b0dd29d79d19725d3471183c7b25409d2f24

(this sample)

Mirai

elf 8bf480cd6c605b45a8e5c699682ae7ee41f68b96bcf9cc38d9ed80d9dc932c98

  
URLhaus
https://urlhaus.abuse.ch/url/3717480/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 8bf480cd6c605b45a8e5c699682ae7ee41f68b96bcf9cc38d9ed80d9dc932c98
  
Dropping
MD5 10799881651484a3bcf8e476d8c9d9bb

Comments