MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b04d7544a98c42cbdbaf3bb38a3ac31398c756b6a29d8ea6f8059454e76b9db. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b04d7544a98c42cbdbaf3bb38a3ac31398c756b6a29d8ea6f8059454e76b9db
SHA3-384 hash: c75996282bf15968c2d55899c53d54bbf3e0714fc0e0aa181834767759cc5581f908ab251086499c89e54b12d4b6aa53
SHA1 hash: 0e8deed39869407fa9b4fc13af0553ea847a4b2a
MD5 hash: 33af7b120e5349198c8667346331aec8
humanhash: massachusetts-floor-ten-oven
File name:narm
Download: download sample
Signature Mirai
Create hunting rule
File size:40'908 bytes
First seen:2025-12-20 13:03:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:xRHz/+S7TXPzJgF+5aenMUpCIcSUz37mvw6VlBXk3s3UozPO:fHLt7T3ceMUpvcf7Sw2Xzzm
TLSH T15003F13105132CE3DE2C59B9BAFC9B003766059DD0FC727ACB10D6689396F2B66D605B
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) :40'908 bytes
File size (de-compressed) :91'948 bytes
Format:linux/arm
Unpacked file: e334aa871b84200e4f6306bb017a393cc0dc1a784606a2232d838533d6146065

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/dbba3d76-3fd3-49cb-899f-41e039676458/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-20T10:21:00Z UTC
Last seen:
2025-12-20T13:06:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3b04d7544a98c42cbdbaf3bb38a3ac31398c756b6a29d8ea6f8059454e76b9db/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d229b33f-534c-49e3-92bc-1bc1b07d643f
Behavior Graph:
Download SVG
%3 guuid=5f6414de-2000-0000-db69-fe87420b0000 pid=2882 /usr/bin/sudo guuid=8e5ea9df-2000-0000-db69-fe87490b0000 pid=2889 /tmp/sample.bin guuid=5f6414de-2000-0000-db69-fe87420b0000 pid=2882->guuid=8e5ea9df-2000-0000-db69-fe87490b0000 pid=2889 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/44ab44d6-34b3-4e05-94e9-8c697d3f24ff
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1836730
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836730 Sample: narm.elf Startdate: 20/12/2025 Architecture: LINUX Score: 60 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->27 29 daisy.ubuntu.com 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Sample is packed with UPX 2->33 10 narm.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 narm.elf 10->14         started        process6 16 narm.elf 14->16         started        process7 18 narm.elf 16->18         started        process8 20 narm.elf 18->20         started        23 narm.elf 18->23         started        signatures9 35 Manipulation of devices in /dev 20->35 37 Deletes system log files 20->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3b04d7544a98c42cbdbaf3bb38a3ac31398c756b6a29d8ea6f8059454e76b9db
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b04d7544a98c42cbdbaf3bb38a3ac31398c756b6a29d8ea6f8059454e76b9db/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-20 08:34:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hmcnovcktdcczpn26o5tri5mge4yy5llniu5r2tpqbmukttwxhnq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/251220-qan2faskcw/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c31a7e0f-466c-452b-8775-d2abbad0fe2d
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/3b04d7544a98c42cbdbaf3bb38a3ac31398c756b6a29d8ea6f8059454e76b9db

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: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: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 3b04d7544a98c42cbdbaf3bb38a3ac31398c756b6a29d8ea6f8059454e76b9db

(this sample)

Mirai

elf e334aa871b84200e4f6306bb017a393cc0dc1a784606a2232d838533d6146065

  
URLhaus
https://urlhaus.abuse.ch/url/3737955/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 e334aa871b84200e4f6306bb017a393cc0dc1a784606a2232d838533d6146065
  
Dropping
MD5 f529246d859a3f1d612a4f47d6bff56e

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