MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25ac6e121f01285a41d461ca3f5a38b14a7c8148219ccbe270fe52d90c2f104b. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25ac6e121f01285a41d461ca3f5a38b14a7c8148219ccbe270fe52d90c2f104b
SHA3-384 hash: bfb0856693bc0da79d0420f3ddbd6943a4bc19127affdc34e74778529862409f6fbd235a811ce80ddd375cd277e1fac5
SHA1 hash: 48dc9391f1d900fa0de4cdbef2ae385a36ef512d
MD5 hash: b934f609340b5bfdb98e3ec8469b50b8
humanhash: network-spring-johnny-louisiana
File name:nz.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:43'976 bytes
First seen:2026-08-01 00:37:24 UTC
Last seen:2026-08-01 08:51:25 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:EJH/2hEQv3U7JTuzqzgxoehGqe/aJNtdZ6JRmC8DSbmjidlF2IJgGlzDpbuR1JO:E1ed3U7ibx3h+gNScCvbXd32IVJuA
TLSH T1AD13F138E507089FE9D591B91B68A3330E1407A2F94BFC51E2A8D17BAB845777863DF0
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/4ab3a351-9b60-4670-85e3-105ac0b2512c/
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sets a written file as executable
Sends data to a server
Runs as daemon
Kills processes
Launching a process
Connection attempt
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/6a6d3fca8b0ab355a24171d5/reports/8da37027-6e61-459b-bbaa-5831fee1d8a4/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-07-31T22:46:00Z UTC
Last seen:
2026-08-02T20:59:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/25ac6e121f01285a41d461ca3f5a38b14a7c8148219ccbe270fe52d90c2f104b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ed472baf-f080-4b0e-adc6-798a2915bf89
Behavior Graph:
Download SVG
%3 guuid=2f9ea038-1800-0000-ac05-57596f0b0000 pid=2927 /usr/bin/sudo guuid=b102f63d-1800-0000-ac05-5759750b0000 pid=2933 /tmp/sample.bin guuid=2f9ea038-1800-0000-ac05-57596f0b0000 pid=2927->guuid=b102f63d-1800-0000-ac05-5759750b0000 pid=2933 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/559acacd-d107-434c-a0a9-dd167a7911d1
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1950873
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Drops files in suspicious directories
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1950873 Sample: nz.mips.elf Startdate: 01/08/2026 Architecture: LINUX Score: 80 31 wqok85qtq.net 31.56.209.153, 12121, 43948 SWISSNET-ASUS Netherlands 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Sample is packed with UPX 2->37 10 nz.mips.elf 2->10         started        signatures3 process4 process5 12 nz.mips.elf 10->12         started        process6 14 nz.mips.elf 12->14         started        file7 29 /etc/init.d/sysd, POSIX 14->29 dropped 43 Sample tries to set files in /etc globally writable 14->43 45 Drops files in suspicious directories 14->45 47 Sample tries to persist itself using System V runlevels 14->47 18 nz.mips.elf 14->18         started        20 nz.mips.elf sh 14->20         started        signatures8 process9 process10 22 nz.mips.elf 18->22         started        25 nz.mips.elf 18->25         started        27 sh cp 20->27         started        signatures11 39 Manipulation of devices in /dev 22->39 41 Deletes system log files 22->41
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/25ac6e121f01285a41d461ca3f5a38b14a7c8148219ccbe270fe52d90c2f104b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/25ac6e121f01285a41d461ca3f5a38b14a7c8148219ccbe270fe52d90c2f104b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-01 00:38:26 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ewwg4eq7aeufuqoumhfd6wrywffhzakiegomxytq7zjnsdbpcbfq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260801-ayrjgaba47/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/25ac6e121f01285a41d461ca3f5a38b14a7c8148219ccbe270fe52d90c2f104b

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 25ac6e121f01285a41d461ca3f5a38b14a7c8148219ccbe270fe52d90c2f104b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3893006/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3892505/
  
URLhaus
https://urlhaus.abuse.ch/url/3892218/
  
URLhaus
https://urlhaus.abuse.ch/url/3892501/

Comments