MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf4a792cc9f2b038c1ae40ca3ac3cfbecfcc1a5978ded68a9f18c6d381386ef1. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf4a792cc9f2b038c1ae40ca3ac3cfbecfcc1a5978ded68a9f18c6d381386ef1
SHA3-384 hash: ee18c4944c96614fbfddccaaae289223eee1ba0efb83225c430f7993a284f0734aa57d2e158fc166e181179d71eb66f8
SHA1 hash: d46867323618c717a3c9593c1971fde8382e8893
MD5 hash: 7990c9204017b8911394f24ae7995fd5
humanhash: india-july-robert-purple
File name:zero.armv5l
Download: download sample
Signature Mirai
Create hunting rule
File size:48'640 bytes
First seen:2026-06-05 20:24:24 UTC
Last seen:2026-06-07 04:39:31 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:76GNKcmXydcOa8l1AAV7otmJo7mMYFqK9uqV5Qm87ZhKFJBvAaAbDkxs3UozYK:uGN5Kc1totmMtIuqV58qFoa27zB
TLSH T1A923E17617C3FD22CBF218BB85BCC787A29B0469E46E72A219880EAC718F44717F5547
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) :48'640 bytes
File size (de-compressed) :141'676 bytes
Format:linux/arm
Unpacked file: e6b78f132e2f23e657c1a053aa2f359bd075e22c035bdfa89ef6421b86528b3f

Intelligence

File Origin
# of uploads :
4
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/107fee64-7590-46da-bb5e-2b98139181fa/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a2330c112da0d249c668719/reports/4c92d173-17cd-4930-9c8f-f51055ad684c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
27
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cf4a792cc9f2b038c1ae40ca3ac3cfbecfcc1a5978ded68a9f18c6d381386ef1
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:
2026-06-05T18:25:00Z UTC
Last seen:
2026-06-06T22:07:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cf4a792cc9f2b038c1ae40ca3ac3cfbecfcc1a5978ded68a9f18c6d381386ef1/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/dabf5d2e-3f89-470e-9ad8-dcf01a7bf2af
Behavior Graph:
Download SVG
%3 guuid=e6f19b97-1600-0000-916b-7c82330d0000 pid=3379 /usr/bin/sudo guuid=b5fc6299-1600-0000-916b-7c823a0d0000 pid=3386 /tmp/sample.bin guuid=e6f19b97-1600-0000-916b-7c82330d0000 pid=3379->guuid=b5fc6299-1600-0000-916b-7c823a0d0000 pid=3386 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bf735df5-87ed-4d05-b482-6d598863f091
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1923871
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1923871 Sample: zero.armv5l.elf Startdate: 05/06/2026 Architecture: LINUX Score: 76 20 31.56.209.222, 1791, 34260 SWISSNET-ASUS Netherlands 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 28 Sample is packed with UPX 2->28 8 zero.armv5l.elf 2->8         started        signatures3 process4 process5 10 zero.armv5l.elf 8->10         started        12 zero.armv5l.elf 8->12         started        14 zero.armv5l.elf 8->14         started        process6 16 zero.armv5l.elf 10->16         started        18 zero.armv5l.elf 10->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf4a792cc9f2b038c1ae40ca3ac3cfbecfcc1a5978ded68a9f18c6d381386ef1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf4a792cc9f2b038c1ae40ca3ac3cfbecfcc1a5978ded68a9f18c6d381386ef1/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-05 20:25:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5fhslgj6kydrqnoidfdvq6px3h4ygszpdpnncu7dddnhajyn3yq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260605-y7kz2sdw7s/
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/cf4a792cc9f2b038c1ae40ca3ac3cfbecfcc1a5978ded68a9f18c6d381386ef1

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 cf4a792cc9f2b038c1ae40ca3ac3cfbecfcc1a5978ded68a9f18c6d381386ef1

(this sample)

Mirai

elf e6b78f132e2f23e657c1a053aa2f359bd075e22c035bdfa89ef6421b86528b3f

  
URLhaus
https://urlhaus.abuse.ch/url/3857825/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 e6b78f132e2f23e657c1a053aa2f359bd075e22c035bdfa89ef6421b86528b3f
  
Dropping
MD5 52a573f0a58068baa1dba9480b04991b
  
URLhaus
https://urlhaus.abuse.ch/url/3857193/

Comments