MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bf8bc35c9909047deea7338c690480e8e2e36e5eb36b207c449080bda0e9a40. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3bf8bc35c9909047deea7338c690480e8e2e36e5eb36b207c449080bda0e9a40
SHA3-384 hash: fd2772441b1c704ac22cf1e26f3f193d2840177e5ecdd9be42bb6a5e339492ab91b3ed24f535536e19bdb437714a24d2
SHA1 hash: e0ff53931adf18ec1bf38bb69a739bf3a3a3a38f
MD5 hash: aaa40766d73644b1aea823ee8274d4d6
humanhash: shade-kansas-bulldog-magnesium
File name:nz.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:128'492 bytes
First seen:2026-07-17 01:51:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:lKSmAASQ6ei2cdv/Lpl+9RKp1anmmA4zQyCR8PajUSi0CmOlc45PLv7Htt:8PAA/6eedYZAlmPajU3xX7Htt
TLSH T19DC32945B8829622C6D723BAFA6E21CD336163E9D3DF31038E219F1137C659B0D67B91
telfhash t13c311077ef912bacabd94189919ae0190acc30dd3b5c1592df3ca74f8802dd1b42dc5b
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 94a7cc706c15d397c1269f95c40b34d0ad7b9d4a90289bc1a133fc77323a3e98
File size (compressed) :49'264 bytes
File size (de-compressed) :128'492 bytes
Format:linux/arm
Packed file: 94a7cc706c15d397c1269f95c40b34d0ad7b9d4a90289bc1a133fc77323a3e98

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/72d598ef-50c6-4975-b2e0-1fd086a9e680/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-7100807-0
Create hunting rule

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

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-7136016-0
Create hunting rule

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

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

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

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

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet exploit masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/6a598adec834b6eeec45a3cd/reports/da819d02-bd1b-4280-9873-351c0d0dd6e7/overview
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/3bf8bc35c9909047deea7338c690480e8e2e36e5eb36b207c449080bda0e9a40
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:
2026-07-16T19:11:00Z UTC
Last seen:
2026-07-16T19:51:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3bf8bc35c9909047deea7338c690480e8e2e36e5eb36b207c449080bda0e9a40/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bd754898-ddcf-4969-9e63-c88ef22c4b6e
Behavior Graph:
Download SVG
%3 guuid=c5677d68-1900-0000-fc12-11d52e140000 pid=5166 /usr/bin/sudo guuid=2b34076c-1900-0000-fc12-11d52f140000 pid=5167 /tmp/sample.bin guuid=c5677d68-1900-0000-fc12-11d52e140000 pid=5166->guuid=2b34076c-1900-0000-fc12-11d52f140000 pid=5167 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/785b1536-29b6-40e2-be95-ba1c61e93a2c
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3bf8bc35c9909047deea7338c690480e8e2e36e5eb36b207c449080bda0e9a40
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3bf8bc35c9909047deea7338c690480e8e2e36e5eb36b207c449080bda0e9a40/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-17 01:52:36 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=hp4lynojsciepxxkom4mnecib2hc4nxf5m3leb6ejeeaxwqotjaa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet
Link:
https://tria.ge/reports/260717-cantsahv9p/
Malware Config
C2 Extraction:
cgur743.freedynamicdns.org
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/3bf8bc35c9909047deea7338c690480e8e2e36e5eb36b207c449080bda0e9a40

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
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
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_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
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 94a7cc706c15d397c1269f95c40b34d0ad7b9d4a90289bc1a133fc77323a3e98

Mirai

elf 3bf8bc35c9909047deea7338c690480e8e2e36e5eb36b207c449080bda0e9a40

(this sample)

  
Dropped by
SHA256 94a7cc706c15d397c1269f95c40b34d0ad7b9d4a90289bc1a133fc77323a3e98
  
URLhaus
https://urlhaus.abuse.ch/url/3887328/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 56da8a8b5981071db11ba15f633cdc3c

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