MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4749240436807926e18fed783838129b45702e3f9fb588470c26b5ed4412e2f. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4749240436807926e18fed783838129b45702e3f9fb588470c26b5ed4412e2f
SHA3-384 hash: 03184fc47f08596bfdba287365b21c9d34dfa7b239d7b7ae08926c551289a0477a5317143abb47ff6f5d29077f3a0aa6
SHA1 hash: 3813786fc3ecd3acb41e91afafb1f56da53a0dd7
MD5 hash: a128a2f7ab3337358a80578a9630655a
humanhash: romeo-winter-tennis-beer
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:46'624 bytes
First seen:2026-01-10 13:58:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:D/TYCoIxdEk+AxoTZAZHFeq8b3Z9q3UELbUXfi6nVMQHI4vcGpv1:DECFd+A6YHAxMLRQZ1
TLSH T199230271890E8EB125303C76EAD5D39376E12A71C6673013D6290A3C7F79B531E4BE4A
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) :46'624 bytes
File size (de-compressed) :129'940 bytes
Format:linux/arm
Unpacked file: 9638d79cb51d4f6194ad87b42db832817cb3d4a0162cb8b4140cd03b91bcd109

Intelligence

File Origin
# of uploads :
1
# of downloads :
38
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/385dc524-84d7-4875-9939-8c86b8bcea4e/
Detection(s):
Unix.Trojan.Mirai-9955244-0
Create hunting rule

Unix.Trojan.Mirai-10030115-0
Create hunting rule

Unix.Trojan.Mirai-10034373-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Runs as daemon
Receives data from a server
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/69625b2307ef5fa68e83bc94/reports/cf7fac38-55c6-4732-9996-98988ba9d484/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-10T11:13:00Z UTC
Last seen:
2026-01-11T02:00:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/a4749240436807926e18fed783838129b45702e3f9fb588470c26b5ed4412e2f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/192711b8-281b-4b05-8f28-acf31f025733
Behavior Graph:
Download SVG
%3 guuid=cd35b094-1a00-0000-f507-bc5b3b090000 pid=2363 /usr/bin/sudo guuid=19a66497-1a00-0000-f507-bc5b45090000 pid=2373 /tmp/sample.bin guuid=cd35b094-1a00-0000-f507-bc5b3b090000 pid=2363->guuid=19a66497-1a00-0000-f507-bc5b45090000 pid=2373 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f380c45f-709a-4303-9bd6-1142f773b793
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1847985
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847985 Sample: boatnet.arm7.elf Startdate: 10/01/2026 Architecture: LINUX Score: 72 24 176.65.149.243, 3778, 43204 PALTEL-ASPALTELAutonomousSystemPS Germany 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 Sample is packed with UPX 2->34 7 boatnet.arm7.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 7 other processes 2->13 signatures3 process4 process5 15 boatnet.arm7.elf 7->15         started        18 boatnet.arm7.elf 7->18         started        20 boatnet.arm7.elf 7->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 9->22         started        signatures6 36 Sample tries to kill multiple processes (SIGKILL) 15->36
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4749240436807926e18fed783838129b45702e3f9fb588470c26b5ed4412e2f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a4749240436807926e18fed783838129b45702e3f9fb588470c26b5ed4412e2f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a4749240436807926e18fed783838129b45702e3f9fb588470c26b5ed4412e2f
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-10 13:59:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ur2jeqcdnadze3qy73lyha4bfg2foaxd7h5vrbdqyjvv5vcbfyxq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260110-q93zmsaz5g/
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4e67320c-2532-476b-a9fb-759c1f9b50d4
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/a4749240436807926e18fed783838129b45702e3f9fb588470c26b5ed4412e2f

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 a4749240436807926e18fed783838129b45702e3f9fb588470c26b5ed4412e2f

(this sample)

Mirai

elf 9638d79cb51d4f6194ad87b42db832817cb3d4a0162cb8b4140cd03b91bcd109

  
URLhaus
https://urlhaus.abuse.ch/url/3755438/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 9638d79cb51d4f6194ad87b42db832817cb3d4a0162cb8b4140cd03b91bcd109
  
Dropping
MD5 4dd53a67d89b91b791867b9d51828130

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