MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4f75bf922b35e3bdf8c9bd3841db40b493e8ccbb3e1d3591fd482b28145702f. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4f75bf922b35e3bdf8c9bd3841db40b493e8ccbb3e1d3591fd482b28145702f
SHA3-384 hash: af1f866a80478ebc377aac2e744974a08237eb4c69d8aeca50d1d4a08332c2f7adbe70771182491375ed93218d51e7bb
SHA1 hash: 7ab53ef258c315c377b129f664cbcd1069302042
MD5 hash: 55e3dbc5f3969497ddaa04ec3af9bae8
humanhash: angel-eleven-uranus-hydrogen
File name:boatnet.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:35'636 bytes
First seen:2026-01-29 10:54:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:mmuKrUuE5np8E+e1C8qtmEpiuC5D5TJG/SyLyml5Ec6yDEyT:mmuKrrmnp8EN1DHEGEl5EM
TLSH T1F1F2F15E29F51E25EBCBB23701105CF420282C14973B4AC57B19AF792F7E8B9A05DB53
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) :35'636 bytes
File size (de-compressed) :84'392 bytes
Format:linux/i386
Unpacked file: 8c595cec2351529a3ea3c2d28c8a63e4ac61770de7954d508e2348e33fc509ee

Intelligence

File Origin
# of uploads :
1
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/f4656c88-3769-418b-a078-eaa8d26f94cf/
Detection(s):
SecuriteInfo.com.Linux.Mirai-17.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Runs as daemon
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/697b3c704156786ccbdf0f11/reports/7d67c1d0-378a-4858-9c38-55afcc3ecdcd/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a4f75bf922b35e3bdf8c9bd3841db40b493e8ccbb3e1d3591fd482b28145702f
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 178.16.54.217:3778
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-29T09:08:00Z UTC
Last seen:
2026-01-31T02:46:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a4f75bf922b35e3bdf8c9bd3841db40b493e8ccbb3e1d3591fd482b28145702f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a72053dc-3649-4dc9-9b42-3d77ce20b075
Behavior Graph:
Download SVG
%3 guuid=27de3c1b-1800-0000-f42a-2123460c0000 pid=3142 /usr/bin/sudo guuid=717d191e-1800-0000-f42a-21234a0c0000 pid=3146 /tmp/sample.bin net guuid=27de3c1b-1800-0000-f42a-2123460c0000 pid=3142->guuid=717d191e-1800-0000-f42a-21234a0c0000 pid=3146 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=717d191e-1800-0000-f42a-21234a0c0000 pid=3146->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=8830711e-1800-0000-f42a-21234c0c0000 pid=3148 /tmp/sample.bin zombie guuid=717d191e-1800-0000-f42a-21234a0c0000 pid=3146->guuid=8830711e-1800-0000-f42a-21234c0c0000 pid=3148 clone guuid=b7bc741e-1800-0000-f42a-21234d0c0000 pid=3149 /tmp/sample.bin guuid=717d191e-1800-0000-f42a-21234a0c0000 pid=3146->guuid=b7bc741e-1800-0000-f42a-21234d0c0000 pid=3149 clone guuid=2e50781e-1800-0000-f42a-21234e0c0000 pid=3150 /tmp/sample.bin net send-data zombie guuid=717d191e-1800-0000-f42a-21234a0c0000 pid=3146->guuid=2e50781e-1800-0000-f42a-21234e0c0000 pid=3150 clone guuid=2e50781e-1800-0000-f42a-21234e0c0000 pid=3150->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con ddc1514a-61de-5a8b-bb25-130fd5ea1abf 178.16.54.217:3778 guuid=2e50781e-1800-0000-f42a-21234e0c0000 pid=3150->ddc1514a-61de-5a8b-bb25-130fd5ea1abf send: 5B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cd19c6eb-a8a2-4f05-917d-844abc54b3fb
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1859710
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)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1859710 Sample: boatnet.x86.elf Startdate: 29/01/2026 Architecture: LINUX Score: 64 24 178.16.54.217, 36608, 3778 DUSNET-ASDE Germany 2->24 26 34.254.182.186, 443, 59332 AMAZON-02US United States 2->26 28 daisy.ubuntu.com 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Sample is packed with UPX 2->34 7 boatnet.x86.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 10 other processes 2->13 signatures3 process4 process5 15 boatnet.x86.elf 7->15         started        18 boatnet.x86.elf 7->18         started        20 boatnet.x86.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/a4f75bf922b35e3bdf8c9bd3841db40b493e8ccbb3e1d3591fd482b28145702f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a4f75bf922b35e3bdf8c9bd3841db40b493e8ccbb3e1d3591fd482b28145702f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-29 10:55:58 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ut3vx6jcwnpdxx4mtpjyihnubnet5dglwpq5gwi72sblfakfoaxq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260129-mzwwssgx6b/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/a4f75bf922b35e3bdf8c9bd3841db40b493e8ccbb3e1d3591fd482b28145702f

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 a4f75bf922b35e3bdf8c9bd3841db40b493e8ccbb3e1d3591fd482b28145702f

(this sample)

Mirai

elf 8c595cec2351529a3ea3c2d28c8a63e4ac61770de7954d508e2348e33fc509ee

  
Dropping
SHA256 8c595cec2351529a3ea3c2d28c8a63e4ac61770de7954d508e2348e33fc509ee
  
Dropping
MD5 118636e02efc6584ddaf6bda76549d8d
  
URLhaus
https://urlhaus.abuse.ch/url/3665469/
  
Delivery method
Distributed via web download

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