MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 312fbbedbe184110665f336846fff7a36d2c211b484e87fd7f57962267bbd66c. 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 20 File information Comments

SHA256 hash: 312fbbedbe184110665f336846fff7a36d2c211b484e87fd7f57962267bbd66c
SHA3-384 hash: f7ea550b3797fdf5a32562711d3ce68f9193c653da1129d25e09a7c103cb4a473bff1d8396205dc7fa7f4954403acec7
SHA1 hash: 0974de6ef4f4536349ce31415975e6f63486625e
MD5 hash: 8e9cafeb7276fc942635606fc770ada1
humanhash: salami-mobile-april-wyoming
File name:nz.x86
Download: download sample
Signature Mirai
File size:108'148 bytes
First seen:2026-08-03 00:06:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:/Wd7t7hm8ba3D2RI+DB2M5Jfebx/SHhA9:/Wd7tE8ba3q1B3GJSHhA9
TLSH T110B33AC4E243D0F9EC160534213BFB379A73E5BF212DDA43D3A49AA26C96AC1D41679C
telfhash t1e531d1fcb2770ce45bc0a902f68e8b21cd4d7b6f296072a345b66924322755253bfc39
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 2c19cd42e8cbfd4f3b6d72ba98f4d90540bc711af6d7ccb7d94202257397b9c9
File size (compressed) :47'008 bytes
File size (de-compressed) :108'148 bytes
Format:linux/i386
Packed file: 2c19cd42e8cbfd4f3b6d72ba98f4d90540bc711af6d7ccb7d94202257397b9c9

Intelligence


File Origin
# of uploads :
1
# of downloads :
73
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
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:
2026-08-02T22:49:00Z UTC
Last seen:
2026-08-03T00:14:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=47a287cf-1800-0000-ab17-f0bf550d0000 pid=3413 /usr/bin/sudo guuid=92931ad2-1800-0000-ab17-f0bf5e0d0000 pid=3422 /tmp/sample.bin net guuid=47a287cf-1800-0000-ab17-f0bf550d0000 pid=3413->guuid=92931ad2-1800-0000-ab17-f0bf5e0d0000 pid=3422 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=92931ad2-1800-0000-ab17-f0bf5e0d0000 pid=3422->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=304562d2-1800-0000-ab17-f0bf5f0d0000 pid=3423 /tmp/sample.bin guuid=92931ad2-1800-0000-ab17-f0bf5e0d0000 pid=3422->guuid=304562d2-1800-0000-ab17-f0bf5f0d0000 pid=3423 clone guuid=7baea9fe-1900-0000-ab17-f0bf04110000 pid=4356 /tmp/sample.bin guuid=92931ad2-1800-0000-ab17-f0bf5e0d0000 pid=3422->guuid=7baea9fe-1900-0000-ab17-f0bf04110000 pid=4356 clone guuid=5b9eb2fe-1900-0000-ab17-f0bf05110000 pid=4357 /tmp/sample.bin net send-data zombie guuid=92931ad2-1800-0000-ab17-f0bf5e0d0000 pid=3422->guuid=5b9eb2fe-1900-0000-ab17-f0bf05110000 pid=4357 clone guuid=19f99cd2-1800-0000-ab17-f0bf610d0000 pid=3425 /tmp/sample.bin guuid=304562d2-1800-0000-ab17-f0bf5f0d0000 pid=3423->guuid=19f99cd2-1800-0000-ab17-f0bf610d0000 pid=3425 clone guuid=62c8a4d2-1800-0000-ab17-f0bf620d0000 pid=3426 /tmp/sample.bin dns net send-data zombie guuid=304562d2-1800-0000-ab17-f0bf5f0d0000 pid=3423->guuid=62c8a4d2-1800-0000-ab17-f0bf620d0000 pid=3426 clone guuid=62c8a4d2-1800-0000-ab17-f0bf620d0000 pid=3426->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 198B 50d412d1-ca07-54a6-8dc5-f96b7f280548 s3o65awrf56.net:69 guuid=62c8a4d2-1800-0000-ab17-f0bf620d0000 pid=3426->50d412d1-ca07-54a6-8dc5-f96b7f280548 send: 4B guuid=5b9eb2fe-1900-0000-ab17-f0bf05110000 pid=4357->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 825B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=5b9eb2fe-1900-0000-ab17-f0bf05110000 pid=4357->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-03 00:07:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
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
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_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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 312fbbedbe184110665f336846fff7a36d2c211b484e87fd7f57962267bbd66c

(this sample)

Comments