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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25de792c3c7ffabdc2bf4bdf4ff38956a1a853e634bc922a11c36d2a35f93f31. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25de792c3c7ffabdc2bf4bdf4ff38956a1a853e634bc922a11c36d2a35f93f31
SHA3-384 hash: 77d096fe7ff8d733c8ff61011bbb7e7a50f1fd15ddde108511e056692e8dd0dc3353818d362f1f39834bc47147d44c7f
SHA1 hash: fc9f8f11a37aec07c0191add77e338f7679c00c1
MD5 hash: b6b72ad8e0837bb8fb3ce19b3802c288
humanhash: oxygen-mike-mirror-grey
File name:armv4l
Download: download sample
Signature Mirai
Create hunting rule
File size:76'408 bytes
First seen:2026-10-10 11:41:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:iA6k0//75roXK6gL0YZA/ZViG3lbObBm33991Y7kDBD/zv:inkA/75mKTLpMVA25YgdD/T
TLSH T11173024021762D62C5F5ECB4FF7DAE9E43022732D8EA791012452FF656E29133EAB434
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) :76'408 bytes
File size (de-compressed) :196'312 bytes
Format:linux/arm
Unpacked file: 493bbb9da18a61c5e026cae2e23c5a8e9566eb9f64df8e1ab9cac4aa82c6ec7e

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/5db84bfd-64eb-4738-b2bd-d670d237261f/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6aca2494f4c3b3b75f5eeb67/reports/0dedd73c-dfc6-4699-934b-dd9f6f7e6fb3/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-10T09:01:00Z UTC
Last seen:
2026-10-11T17:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/25de792c3c7ffabdc2bf4bdf4ff38956a1a853e634bc922a11c36d2a35f93f31/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a7b1e0c9-a9c6-4517-8832-f11a75abd376
Behavior Graph:
Download SVG
%3 guuid=db3a1249-1800-0000-5efb-c6567f0c0000 pid=3199 /usr/bin/sudo guuid=1e4dc54a-1800-0000-5efb-c656840c0000 pid=3204 /tmp/sample.bin guuid=db3a1249-1800-0000-5efb-c6567f0c0000 pid=3199->guuid=1e4dc54a-1800-0000-5efb-c656840c0000 pid=3204 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cc32d06b-265d-41dd-95e1-3b04ee8264f8
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1985275
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops invisible ELF files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1985275 Sample: armv4l.elf Startdate: 10/10/2026 Architecture: LINUX Score: 96 57 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->57 59 83.168.69.95, 57316, 57318, 57320 SKYPASS-ASPL Poland 2->59 61 daisy.ubuntu.com 2->61 63 Antivirus detection for dropped file 2->63 65 Antivirus / Scanner detection for submitted sample 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 2 other signatures 2->69 11 armv4l.elf 2->11         started        14 systemd snapd-env-generator 2->14         started        16 systemd snapd-env-generator 2->16         started        18 python3.8 dpkg 2->18         started        signatures3 process4 signatures5 79 Found strings related to Crypto-Mining 11->79 20 armv4l.elf 11->20         started        process6 process7 22 armv4l.elf 20->22         started        signatures8 71 Sample deletes itself 22->71 25 armv4l.elf 22->25         started        29 armv4l.elf 22->29         started        31 armv4l.elf 22->31         started        33 armv4l.elf 22->33         started        process9 file10 51 /usr/lib/systemd/.system-helper, ELF 25->51 dropped 53 /etc/rc.local, ASCII 25->53 dropped 55 /etc/cron.d/killer-helper, ASCII 25->55 dropped 73 Drops invisible ELF files 25->73 75 Sample tries to persist itself using cron 25->75 77 Sample tries to persist itself using System V runlevels 25->77 35 armv4l.elf sh 25->35         started        37 armv4l.elf sh 29->37         started        39 armv4l.elf iptables 29->39         started        41 armv4l.elf iptables-restore 29->41         started        43 3 other processes 29->43 signatures11 process12 process13 45 sh systemctl 35->45         started        47 sh systemctl 35->47         started        49 sh journalctl 37->49         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/25de792c3c7ffabdc2bf4bdf4ff38956a1a853e634bc922a11c36d2a35f93f31
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/25de792c3c7ffabdc2bf4bdf4ff38956a1a853e634bc922a11c36d2a35f93f31/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2026-10-10 11:42:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=exphslb4p75l3qv7jppu744jk2q2qu7ggs6jekqrynwsunpzh4yq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/261010-nt39csez3w/
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_IoT_DVR_Botnet_Hama_UPX
Create hunting rule
Author:Serhii Kocherhan
Description:Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code
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 25de792c3c7ffabdc2bf4bdf4ff38956a1a853e634bc922a11c36d2a35f93f31

(this sample)

Mirai

elf 493bbb9da18a61c5e026cae2e23c5a8e9566eb9f64df8e1ab9cac4aa82c6ec7e

  
URLhaus
https://urlhaus.abuse.ch/url/3925736/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 493bbb9da18a61c5e026cae2e23c5a8e9566eb9f64df8e1ab9cac4aa82c6ec7e
  
Dropping
MD5 1d7cb57ee9413ac0d10010ee544a7a93

Comments