MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3805f13074fcd4dcfb1abfeb47242329b751bfa25598517e8a7d617a2188371. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3805f13074fcd4dcfb1abfeb47242329b751bfa25598517e8a7d617a2188371
SHA3-384 hash: b866355092b1d581ab85ab3e51b45696fe40a5c9cf39929e4159731846a3934512409e6e90d16e4e7c3079e2e13dd626
SHA1 hash: 3a5499b9cfb0fb32948b02d997d51a712b81c4fa
MD5 hash: 31388946fb3fa25aab8d62913f09ed66
humanhash: quiet-nitrogen-triple-single
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:69'220 bytes
First seen:2026-01-02 03:37:24 UTC
Last seen:2026-01-02 07:35:09 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:jSu5t0/RrtNifJGLzw9O78+XR3GOMZGa4Hr43Lm:jSu5qHNixO2O782FXM1BLm
TLSH T1E2631254ACED268CDAC201FBE54B58C42F031DF4E4AE346A6F150D9975E8E0EA6903B7
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) :69'220 bytes
File size (de-compressed) :175'108 bytes
Format:linux/arm
Unpacked file: af01b08dc2cbeb6883246bbbf361f31552c161f901683c6f721629ea45509c6c

Intelligence

File Origin
# of uploads :
2
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/47abccdf-7571-4569-b5ff-5f0aa62e633f/
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/69573da4127d6a14e0cbde8a/reports/1b639aa5-f099-40ee-a687-e36ab97d5d3a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-02T00:45:00Z UTC
Last seen:
2026-01-02T03:42:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/b3805f13074fcd4dcfb1abfeb47242329b751bfa25598517e8a7d617a2188371/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e74f2e3f-e927-436e-ab83-e359b90f9f6c
Behavior Graph:
Download SVG
%3 guuid=74f5685e-1900-0000-895d-4c60d60f0000 pid=4054 /usr/bin/sudo guuid=768c7c60-1900-0000-895d-4c60e20f0000 pid=4066 /tmp/sample.bin guuid=74f5685e-1900-0000-895d-4c60d60f0000 pid=4054->guuid=768c7c60-1900-0000-895d-4c60e20f0000 pid=4066 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/74b881cb-1913-4800-adff-11ee40f88910
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1843424
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1843424 Sample: arm7.elf Startdate: 02/01/2026 Architecture: LINUX Score: 52 33 169.254.169.254, 80 USDOSUS Reserved 2->33 35 151.242.30.13, 12121, 60872 RASANAIR Iran (ISLAMIC Republic Of) 2->35 37 daisy.ubuntu.com 162.213.35.25, 443, 56106, 56110 CANONICAL-ASGB United States 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Sample is packed with UPX 2->41 8 arm7.elf 2->8         started        11 python3.8 dpkg 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 file5 31 /usr/local/bin/infinitd, ELF 8->31 dropped 15 arm7.elf sh 8->15         started        17 arm7.elf sh 8->17         started        19 arm7.elf 8->19         started        21 2 other processes 8->21 process6 process7 23 sh systemctl 15->23         started        25 sh systemctl 17->25         started        27 arm7.elf 19->27         started        29 arm7.elf 19->29         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3805f13074fcd4dcfb1abfeb47242329b751bfa25598517e8a7d617a2188371
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3805f13074fcd4dcfb1abfeb47242329b751bfa25598517e8a7d617a2188371/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b3805f13074fcd4dcfb1abfeb47242329b751bfa25598517e8a7d617a2188371
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-02 03:38:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=woaf6eyhj7gu3t5rvp7li4scgknxkg72evmykf7iu7lbpiqyqnyq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260102-d6pavscm7v/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Reads system network configuration
UPX packed file
Enumerates active TCP sockets
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2f15a0d7-8d2b-43d2-9aea-e711e5c04a17
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/b3805f13074fcd4dcfb1abfeb47242329b751bfa25598517e8a7d617a2188371

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: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 b3805f13074fcd4dcfb1abfeb47242329b751bfa25598517e8a7d617a2188371

(this sample)

Mirai

elf af01b08dc2cbeb6883246bbbf361f31552c161f901683c6f721629ea45509c6c

  
URLhaus
https://urlhaus.abuse.ch/url/3722817/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 af01b08dc2cbeb6883246bbbf361f31552c161f901683c6f721629ea45509c6c
  
Dropping
MD5 3b9840cdf3558d535c95fbf6cf295b56
  
URLhaus
https://urlhaus.abuse.ch/url/3722830/

Comments