MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf195238e84657ceff9c507fbbcfd8cb435e534fcaca3927974d7b554de86a7c. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf195238e84657ceff9c507fbbcfd8cb435e534fcaca3927974d7b554de86a7c
SHA3-384 hash: e47802c331b5dc84489763f6ad1ef02eb523e1e67cd05061eb5cd9a34ed6142e356756206763e5f772e28b8cab796636
SHA1 hash: 30907c128623a171555d981d5ab0081ee3a43b7a
MD5 hash: 81af69338febdbb8c7602be07192f66a
humanhash: minnesota-comet-carbon-five
File name:nz.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:47'024 bytes
First seen:2026-08-04 05:40:45 UTC
Last seen:2026-08-04 12:26:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:QOin/9AsYqE+R3mWPPBAEMlb7EQKNj2jl+WIjZg8njLE5nbcuyD7UHQRjp:VieP+R3bPWEMlb7EQJjIWAdw5nouy8Hm
TLSH T1B82302CAE1D40F4CE76EB0380AFFF91F00D4E7EF9159A0A5788A959C4109B5D7E1A2D2
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) :47'024 bytes
File size (de-compressed) :108'180 bytes
Format:linux/i386
Unpacked file: 2cda01fddcb33d3bd866edaf93ee1b1a4466dacd72c8c3142845b92a60b4f832

Intelligence

File Origin
# of uploads :
2
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/39451716-6a39-4361-a9b4-bb0e485069f1/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

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:
dropper masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/6a717b7f319ddfa1be7f975f/reports/81373203-6016-404d-aafa-e7311988b8fb/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
12
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cf195238e84657ceff9c507fbbcfd8cb435e534fcaca3927974d7b554de86a7c
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b4095291-8337-4c14-a268-dfbf6b4eaf9c
Behavior Graph:
Download SVG
%3 guuid=1a81789b-1c00-0000-88d0-a96dc70b0000 pid=3015 /usr/bin/sudo guuid=c7b6669e-1c00-0000-88d0-a96dcd0b0000 pid=3021 /tmp/sample.bin net guuid=1a81789b-1c00-0000-88d0-a96dc70b0000 pid=3015->guuid=c7b6669e-1c00-0000-88d0-a96dcd0b0000 pid=3021 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c7b6669e-1c00-0000-88d0-a96dcd0b0000 pid=3021->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=8fe3499f-1c00-0000-88d0-a96dcf0b0000 pid=3023 /tmp/sample.bin guuid=c7b6669e-1c00-0000-88d0-a96dcd0b0000 pid=3021->guuid=8fe3499f-1c00-0000-88d0-a96dcf0b0000 pid=3023 clone guuid=dae747ce-1d00-0000-88d0-a96d550d0000 pid=3413 /tmp/sample.bin guuid=c7b6669e-1c00-0000-88d0-a96dcd0b0000 pid=3021->guuid=dae747ce-1d00-0000-88d0-a96d550d0000 pid=3413 clone guuid=18c44dce-1d00-0000-88d0-a96d560d0000 pid=3414 /tmp/sample.bin net send-data zombie guuid=c7b6669e-1c00-0000-88d0-a96dcd0b0000 pid=3021->guuid=18c44dce-1d00-0000-88d0-a96d560d0000 pid=3414 clone guuid=3c559d9f-1c00-0000-88d0-a96dd00b0000 pid=3024 /tmp/sample.bin guuid=8fe3499f-1c00-0000-88d0-a96dcf0b0000 pid=3023->guuid=3c559d9f-1c00-0000-88d0-a96dd00b0000 pid=3024 clone guuid=4270a19f-1c00-0000-88d0-a96dd10b0000 pid=3025 /tmp/sample.bin dns net send-data zombie guuid=8fe3499f-1c00-0000-88d0-a96dcf0b0000 pid=3023->guuid=4270a19f-1c00-0000-88d0-a96dd10b0000 pid=3025 clone guuid=4270a19f-1c00-0000-88d0-a96dd10b0000 pid=3025->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 198B 50d412d1-ca07-54a6-8dc5-f96b7f280548 s3o65awrf56.net:69 guuid=4270a19f-1c00-0000-88d0-a96dd10b0000 pid=3025->50d412d1-ca07-54a6-8dc5-f96b7f280548 send: 4B guuid=18c44dce-1d00-0000-88d0-a96d560d0000 pid=3414->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 825B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=18c44dce-1d00-0000-88d0-a96d560d0000 pid=3414->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8c2b41d1-a689-46bd-8b5d-0972940814fa
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf195238e84657ceff9c507fbbcfd8cb435e534fcaca3927974d7b554de86a7c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf195238e84657ceff9c507fbbcfd8cb435e534fcaca3927974d7b554de86a7c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-04 05:41:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z4mveohiizl45744kb73xt6yznbv4u2pzlfdsj4xjv5vktpinj6a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260804-gdkczsgp2s/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Creates a large amount of network flows
Family: Mirai
Malware Config
C2 Extraction:
s3o65awrf56.net
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/cf195238e84657ceff9c507fbbcfd8cb435e534fcaca3927974d7b554de86a7c

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
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
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Create hunting rule
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 cf195238e84657ceff9c507fbbcfd8cb435e534fcaca3927974d7b554de86a7c

(this sample)

Mirai

elf 2cda01fddcb33d3bd866edaf93ee1b1a4466dacd72c8c3142845b92a60b4f832

  
URLhaus
https://urlhaus.abuse.ch/url/3887335/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 2cda01fddcb33d3bd866edaf93ee1b1a4466dacd72c8c3142845b92a60b4f832
  
Dropping
MD5 504c908a5f86c602646e91be3d2da5f1

Comments