MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 686e71fe9e35c8cb5dab9f42ea6890ae294e471134b2b8dc8a719cb70fd8780e. 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

SHA256 hash: 686e71fe9e35c8cb5dab9f42ea6890ae294e471134b2b8dc8a719cb70fd8780e
SHA3-384 hash: 772cd591a4d06909c642a82e53c53ecbe9044c59644bb1046901a3f37078c536a2ad2bed1ec3578d493f49187c4ec804
SHA1 hash: 3d1ccf8393fc933a2889c35e706d70e47e78dcf6
MD5 hash: d84645a2e8b230436c71e0a291e3ed84
humanhash: carolina-nebraska-stairway-kilo
File name:nz.arm
Download: download sample
Signature Mirai
File size:128'492 bytes
First seen:2026-08-04 05:39:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:A+LoFIrAwJYyguLiA+7zazH/p90iMMTGtepk3PkdVeRVgPUpiedZRvzH+Ft:A+LoF9wJGC27fPkdVcxjzH+F
TLSH T190C32A45B8829622C6D723BAFA6E21CD336163E9D3DF3117CE219F11378654B0D6BB81
telfhash t13a11eb76cf840b9c5fc44684909f622919cc796e7a2c1696ef3deb1e8102ce0b119c6d
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 dcf932b010d4873cab46a24545a960fdf092677351f4476546900067246d4460
File size (compressed) :49'308 bytes
File size (de-compressed) :128'492 bytes
Format:linux/arm
Packed file: dcf932b010d4873cab46a24545a960fdf092677351f4476546900067246d4460

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-04T03:13:00Z UTC
Last seen:
2026-08-05T20:10:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=613eb23e-2000-0000-0b7e-907c9c090000 pid=2460 /usr/bin/sudo guuid=050c7341-2000-0000-0b7e-907c9f090000 pid=2463 /tmp/sample.bin guuid=613eb23e-2000-0000-0b7e-907c9c090000 pid=2460->guuid=050c7341-2000-0000-0b7e-907c9f090000 pid=2463 execve
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-08-04 06:12:29 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet
Malware Config
C2 Extraction:
s3o65awrf56.net
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 686e71fe9e35c8cb5dab9f42ea6890ae294e471134b2b8dc8a719cb70fd8780e

(this sample)

  
Delivery method
Distributed via web download

Comments