MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 751f71204e421d4786ac36f82d7f1e2e07bd5a4c2b8df437784baa6018971fee. 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 4 File information Comments

SHA256 hash: 751f71204e421d4786ac36f82d7f1e2e07bd5a4c2b8df437784baa6018971fee
SHA3-384 hash: f67acff8722a6894e62d9bf42b25ec65aa65003e3f8aa5a4dad9827c746a75f47f4c294276ba84de975343fdd901b947
SHA1 hash: 41b73442dfc35de94e316d931f20860f0d2c4e60
MD5 hash: 312bdad62d5661e22ba1e3e396c07aab
humanhash: july-massachusetts-sixteen-may
File name:nz.x86_64
Download: download sample
Signature Mirai
File size:49'544 bytes
First seen:2026-08-04 05:58:50 UTC
Last seen:2026-08-04 21:47:21 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:E2EG3mvpCUuZsHXcqHlVSRnpsqt8s2+m5wuYnOTbWFU/Fs/COlm99ICQx03p:P3mhCy3cqHlES/+xqT/sJlm9WnSp
TLSH T1D723F1CF6A6BF431D428A7321057B1C5FE52388BA9621F9B48D962FC58A5E410663FC0
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
File size (compressed) :49'544 bytes
File size (de-compressed) :117'808 bytes
Format:linux/amd64
Unpacked file: f65a1bd31f50c3de50ee190c5cfea81a9d9827611b52c20f2eeeadd3d6bb7746

Intelligence


File Origin
# of uploads :
3
# of downloads :
68
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Opens a port
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bashlite mirai packed upx
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-08-04T03:13:00Z UTC
Last seen:
2026-08-04T16:44:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=3f788dc1-2000-0000-4741-ca28110a0000 pid=2577 /usr/bin/sudo guuid=36a059c7-2000-0000-4741-ca28180a0000 pid=2584 /tmp/sample.bin mprotect-exec net guuid=3f788dc1-2000-0000-4741-ca28110a0000 pid=2577->guuid=36a059c7-2000-0000-4741-ca28180a0000 pid=2584 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=36a059c7-2000-0000-4741-ca28180a0000 pid=2584->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=2ba45cc8-2000-0000-4741-ca281a0a0000 pid=2586 /tmp/sample.bin guuid=36a059c7-2000-0000-4741-ca28180a0000 pid=2584->guuid=2ba45cc8-2000-0000-4741-ca281a0a0000 pid=2586 clone guuid=c8b496f3-2100-0000-4741-ca280c0b0000 pid=2828 /tmp/sample.bin guuid=36a059c7-2000-0000-4741-ca28180a0000 pid=2584->guuid=c8b496f3-2100-0000-4741-ca280c0b0000 pid=2828 clone guuid=f28caaf3-2100-0000-4741-ca280d0b0000 pid=2829 /tmp/sample.bin net send-data zombie guuid=36a059c7-2000-0000-4741-ca28180a0000 pid=2584->guuid=f28caaf3-2100-0000-4741-ca280d0b0000 pid=2829 clone guuid=da2397c8-2000-0000-4741-ca281b0a0000 pid=2587 /tmp/sample.bin guuid=2ba45cc8-2000-0000-4741-ca281a0a0000 pid=2586->guuid=da2397c8-2000-0000-4741-ca281b0a0000 pid=2587 clone guuid=a6a5b9c8-2000-0000-4741-ca281c0a0000 pid=2588 /tmp/sample.bin net send-data zombie guuid=2ba45cc8-2000-0000-4741-ca281a0a0000 pid=2586->guuid=a6a5b9c8-2000-0000-4741-ca281c0a0000 pid=2588 clone guuid=a6a5b9c8-2000-0000-4741-ca281c0a0000 pid=2588->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 990B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=a6a5b9c8-2000-0000-4741-ca281c0a0000 pid=2588->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=f28caaf3-2100-0000-4741-ca280d0b0000 pid=2829->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 825B guuid=f28caaf3-2100-0000-4741-ca280d0b0000 pid=2829->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 2B
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-04 05:59:21 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
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:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 751f71204e421d4786ac36f82d7f1e2e07bd5a4c2b8df437784baa6018971fee

(this sample)

  
Delivery method
Distributed via web download

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