MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf962acaa47b10da61f552128ab2158a448200505526f8f7b5225f3bad8ca41c. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf962acaa47b10da61f552128ab2158a448200505526f8f7b5225f3bad8ca41c
SHA3-384 hash: a2dc3b7dc735ca96e2bd9ac05c1109df2dcc249a1e0af8d4c6dff30a7cc6c92c8cdc75c4c93929b9ce3cc8278b8254dd
SHA1 hash: 7a6e7b9757bf82db16b0f9871c45479aac68a19c
MD5 hash: c903598dd6ee157686eaaafac2a5ff53
humanhash: paris-kitten-vegan-jig
File name:kurayami.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:185'888 bytes
First seen:2026-03-30 06:59:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:2+LLSG9fhVfxDIs10UugxkfI5zf4eRC/ExZ/1ltaT2P:2+LLSIfhVf1pegxkwlf4e4/yR1lta
TLSH T1CA044A85FCD19A12CAC622BFFB1E528D372653A8D2EE31039D265F21338759B0E37645
telfhash t14831cc474b540fe877c94605c1fe701a8aea31da52086587ae5b6f5f0e43ad2b03582b
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 ec75e884f1f7033aed21f3d93c893239c349efba5d799b8d34c67be61c6d1592
File size (compressed) :68'872 bytes
File size (de-compressed) :185'888 bytes
Format:linux/arm
Packed file: ec75e884f1f7033aed21f3d93c893239c349efba5d799b8d34c67be61c6d1592

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135901-0
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Unix.Dropper.Mirai-7135909-0
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Unix.Trojan.Mirai-7135916-0
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Unix.Dropper.Mirai-7135918-0
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Unix.Dropper.Mirai-7135954-0
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Unix.Dropper.Mirai-7136016-0
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Unix.Dropper.Mirai-7136028-0
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Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9441505-0
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Unix.Dropper.Mirai-10007027-0
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Unix.Trojan.Mirai-10009361-0
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Unix.Trojan.Mirai-10059006-0
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Unix.Trojan.Mirai-10059216-0
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Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cf962acaa47b10da61f552128ab2158a448200505526f8f7b5225f3bad8ca41c
Behaviour
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:
2026-03-29T23:14:00Z UTC
Last seen:
2026-03-30T04:27:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cf962acaa47b10da61f552128ab2158a448200505526f8f7b5225f3bad8ca41c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/62f46438-fc25-4fdd-91d0-0fc4450c7546
Behavior Graph:
Download SVG
%3 guuid=1fe0917f-1a00-0000-d738-a30844090000 pid=2372 /usr/bin/sudo guuid=ff266882-1a00-0000-d738-a3084b090000 pid=2379 /tmp/sample.bin guuid=1fe0917f-1a00-0000-d738-a30844090000 pid=2372->guuid=ff266882-1a00-0000-d738-a3084b090000 pid=2379 execve
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5e22d5d9-1e9c-4081-b413-436825d94ea3
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf962acaa47b10da61f552128ab2158a448200505526f8f7b5225f3bad8ca41c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf962acaa47b10da61f552128ab2158a448200505526f8f7b5225f3bad8ca41c/
Threat name:
Linux.Worm.Mirai
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Status:
Malicious
First seen:
2026-03-30 04:10:44 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z6lcvsvepminuypvkijivmqvrjcieacqkutpr55vejptxlmmuqoa._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260330-hs1tysaz6j/
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/cf962acaa47b10da61f552128ab2158a448200505526f8f7b5225f3bad8ca41c

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 ec75e884f1f7033aed21f3d93c893239c349efba5d799b8d34c67be61c6d1592

Mirai

elf cf962acaa47b10da61f552128ab2158a448200505526f8f7b5225f3bad8ca41c

(this sample)

  
Dropped by
SHA256 ec75e884f1f7033aed21f3d93c893239c349efba5d799b8d34c67be61c6d1592
  
Dropped by
MD5 33e4ddac9c1af5d1c75f16055f8e27a3
  
URLhaus
https://urlhaus.abuse.ch/url/3808215/
  
Delivery method
Distributed via web download

Comments