MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f6fd4e77c577137130fe0777ff434fac5dfb03908a6e094fc3fb33cc39fb189. 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: 11


Intelligence 11 IOCs YARA 18 File information Comments

SHA256 hash: 5f6fd4e77c577137130fe0777ff434fac5dfb03908a6e094fc3fb33cc39fb189
SHA3-384 hash: 885a6856f4a752b001a23ea6fdf05ba937ef9ca75b0f1d3a9ab3ef3962e61c6372a995b0fcc6c011bf26bc92a248dddf
SHA1 hash: a526a7717df077b5e56fd261964594453b054933
MD5 hash: 0f0a327908e91cb8c292a0d117af07e4
humanhash: jupiter-solar-floor-cola
File name:nz.i686
Download: download sample
Signature Mirai
File size:120'084 bytes
First seen:2026-07-08 01:12:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:6FjlzYNVoZXRgn4c30tItERjnDBBMesWrhK8H1:mYNVoZhkD3OItYzDjw8H1
TLSH T124C32BC0F98B81F6C40B88305166F73FDB7198A95123DA9DEF999F72DA73582912234C
telfhash t1843124b1f9b21eec5bd08803c6cf4b02ec0de6bb356021bd09fa1a5032b2151517ac3a
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 c18a7f266c4e1ad9447389bb6911539cda1b59a03d795c7932070aee5fc27ee2
File size (compressed) :49'092 bytes
File size (de-compressed) :120'084 bytes
Format:linux/i386
Packed file: c18a7f266c4e1ad9447389bb6911539cda1b59a03d795c7932070aee5fc27ee2

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sends data to a server
Opens a port
Connection attempt
Runs as daemon
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
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:
2026-07-08T00:01:00Z UTC
Last seen:
2026-07-09T23:27:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=ea4a0054-1900-0000-b928-a187010e0000 pid=3585 /usr/bin/sudo guuid=4a7f7c58-1900-0000-b928-a187100e0000 pid=3600 /tmp/sample.bin net guuid=ea4a0054-1900-0000-b928-a187010e0000 pid=3585->guuid=4a7f7c58-1900-0000-b928-a187100e0000 pid=3600 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=4a7f7c58-1900-0000-b928-a187100e0000 pid=3600->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=34a9b058-1900-0000-b928-a187110e0000 pid=3601 /tmp/sample.bin guuid=4a7f7c58-1900-0000-b928-a187100e0000 pid=3600->guuid=34a9b058-1900-0000-b928-a187110e0000 pid=3601 clone guuid=b33ae684-1a00-0000-b928-a18783110000 pid=4483 /tmp/sample.bin guuid=4a7f7c58-1900-0000-b928-a187100e0000 pid=3600->guuid=b33ae684-1a00-0000-b928-a18783110000 pid=4483 clone guuid=d8ebec84-1a00-0000-b928-a18784110000 pid=4484 /tmp/sample.bin net send-data zombie guuid=4a7f7c58-1900-0000-b928-a187100e0000 pid=3600->guuid=d8ebec84-1a00-0000-b928-a18784110000 pid=4484 clone guuid=e00fb758-1900-0000-b928-a187130e0000 pid=3603 /tmp/sample.bin guuid=34a9b058-1900-0000-b928-a187110e0000 pid=3601->guuid=e00fb758-1900-0000-b928-a187130e0000 pid=3603 clone guuid=7099bc58-1900-0000-b928-a187140e0000 pid=3604 /tmp/sample.bin dns net send-data zombie guuid=34a9b058-1900-0000-b928-a187110e0000 pid=3601->guuid=7099bc58-1900-0000-b928-a187140e0000 pid=3604 clone guuid=7099bc58-1900-0000-b928-a187140e0000 pid=3604->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 308B 929c15df-f7bf-5199-9e73-9473a354d6ee oefjpwefgjujw865.hopto.org:69 guuid=7099bc58-1900-0000-b928-a187140e0000 pid=3604->929c15df-f7bf-5199-9e73-9473a354d6ee send: 6B guuid=d8ebec84-1a00-0000-b928-a18784110000 pid=4484->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1320B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=d8ebec84-1a00-0000-b928-a18784110000 pid=4484->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
80 / 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1938973 Sample: nz.i686.elf Startdate: 08/07/2026 Architecture: LINUX Score: 80 26 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->26 28 oefjpwefgjujw865.hopto.org 41.216.189.157, 44324, 44350, 44354 PRIVATEHOSTING-NETIT Germany 2->28 30 5 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 8 nz.i686.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 nz.i686.elf 8->16         started        18 nz.i686.elf 8->18         started        20 nz.i686.elf 8->20         started        process6 22 nz.i686.elf 16->22         started        24 nz.i686.elf 16->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-07-08 01:13:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a85a418
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 5f6fd4e77c577137130fe0777ff434fac5dfb03908a6e094fc3fb33cc39fb189

(this sample)

  
Delivery method
Distributed via web download

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