MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3afc9fbca40c7438888ac8cf76960cacc995fbd318f5da8ab9a2c19aa7eb43c5. 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: 3afc9fbca40c7438888ac8cf76960cacc995fbd318f5da8ab9a2c19aa7eb43c5
SHA3-384 hash: b2ae7c7c251a60410017e5a11685a7d3265e23e5087f00abbe7a8576ec55457f65e0267392e40b38f9cac09626166ed8
SHA1 hash: 47a197b582bbd3c5a111585725ddff16701ababe
MD5 hash: 9f025bf56b4ad03993db1bfb4abe95cb
humanhash: alabama-finch-sixteen-mike
File name:boatnet.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:72'588 bytes
First seen:2025-08-28 20:45:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:+99ZRgqEC3yQFGnFbwhuodapOfeoiSupTX0hxOKvxJ0W2P+ckHkn2VJuG:6ZRg/ODWshdbfeoijJXskKvz0RWu2VQG
TLSH T1306302B782990AECED9731F4539EA365EF781344CCC58D664A46B283E55093C28E33E7
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) :72'588 bytes
File size (de-compressed) :239'044 bytes
Format:linux/mips
Unpacked file: 498c6739d0e013ed75ff6cbd0ef2857d6562d06beb6a06eb61970428c1ad85e0

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Manages services
Runs as daemon
Sets a written file as executable
Launching a process
Deleting a recently created file
Sends data to a server
Connection attempt
Receives data from a server
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68b0bffe39a6221faa73b940/reports/fc1692a1-8505-40ca-a61f-a2f82a941f1b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
10
Number of processes launched:
8
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/3afc9fbca40c7438888ac8cf76960cacc995fbd318f5da8ab9a2c19aa7eb43c5
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
type:Mirai 87.248.130.35:3778
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/3afc9fbca40c7438888ac8cf76960cacc995fbd318f5da8ab9a2c19aa7eb43c5/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3577a69c-3618-4d83-b4df-fefb95f0cb1c
Behavior Graph:
Download SVG
%3 guuid=c6ebfd7d-1a00-0000-8c1a-2fc8d60c0000 pid=3286 /usr/bin/sudo guuid=06e8c27f-1a00-0000-8c1a-2fc8da0c0000 pid=3290 /tmp/sample.bin guuid=c6ebfd7d-1a00-0000-8c1a-2fc8d60c0000 pid=3286->guuid=06e8c27f-1a00-0000-8c1a-2fc8da0c0000 pid=3290 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/61eb8566-d652-4011-a3d4-59146c508b98
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1767314
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1767314 Sample: boatnet.mips.elf Startdate: 28/08/2025 Architecture: LINUX Score: 80 42 87.248.130.35, 3778 CWM-ASIR Iran (ISLAMIC Republic Of) 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Mirai 2->48 50 Sample is packed with UPX 2->50 9 boatnet.mips.elf 2->9         started        13 systemd snapd-env-generator 2->13         started        signatures3 process4 file5 38 /usr/bin/network, ELF 9->38 dropped 40 /etc/init.d/networkd, ASCII 9->40 dropped 56 Drops files in suspicious directories 9->56 15 boatnet.mips.elf sh 9->15         started        17 boatnet.mips.elf sh 9->17         started        19 boatnet.mips.elf 9->19         started        21 boatnet.mips.elf 9->21         started        signatures6 process7 process8 23 sh crontab 15->23         started        27 sh 15->27         started        29 sh update-rc.d 17->29         started        file9 36 /var/spool/cron/crontabs/tmp.G4bVT3, ASCII 23->36 dropped 52 Sample tries to persist itself using cron 23->52 54 Executes the "crontab" command typically for achieving persistence 23->54 31 sh crontab 27->31         started        34 update-rc.d systemctl 29->34         started        signatures10 process11 signatures12 58 Executes the "crontab" command typically for achieving persistence 31->58
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3afc9fbca40c7438888ac8cf76960cacc995fbd318f5da8ab9a2c19aa7eb43c5
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3afc9fbca40c7438888ac8cf76960cacc995fbd318f5da8ab9a2c19aa7eb43c5/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/3afc9fbca40c7438888ac8cf76960cacc995fbd318f5da8ab9a2c19aa7eb43c5
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-08-28 20:46:46 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 37 (45.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hl6j7pfebr2drcekzdhxnfqmvtezl66tdd25vcvzulazvj7lipcq._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/250828-zj7dtazlt2/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
UPX packed file
Creates/modifies Cron job
Modifies init.d
Write file to user bin folder
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/2aad8a09-7a6f-4ffe-a4ac-ff80ed59044c
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/3afc9fbca40c7438888ac8cf76960cacc995fbd318f5da8ab9a2c19aa7eb43c5

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 3afc9fbca40c7438888ac8cf76960cacc995fbd318f5da8ab9a2c19aa7eb43c5

(this sample)

Mirai

elf 498c6739d0e013ed75ff6cbd0ef2857d6562d06beb6a06eb61970428c1ad85e0

  
URLhaus
https://urlhaus.abuse.ch/url/3606388/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3606340/
  
Dropping
SHA256 498c6739d0e013ed75ff6cbd0ef2857d6562d06beb6a06eb61970428c1ad85e0
  
Dropping
MD5 e1a358298d50d51dd2936efc90ef1b85

Comments