MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 581d3d3ef4bb7bf399b7da5279ccc237300e7fc113e92b2d734d8c079d47179c. 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 8 File information Comments

SHA256 hash: 581d3d3ef4bb7bf399b7da5279ccc237300e7fc113e92b2d734d8c079d47179c
SHA3-384 hash: b3ec0107ce252cf8c56f3b664d574d36b1627bec9351f2410c3f46188b290f01545128158492456294009290b3217829
SHA1 hash: 046830ebf0f818ff0f20303acb8164a780828367
MD5 hash: b25152ee7a4c4486037df928073ac0cf
humanhash: maine-undress-london-two
File name:boatnet.i686
Download: download sample
Signature Mirai
File size:54'160 bytes
First seen:2026-01-30 03:07:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:i3FmuGaJY58nw6ZqHZ9OuJguaIUryKzBvJLHbRYe5YDUq5Sctg/r7q3rI1GXm1qQ:YFrGCe4w6Mda/Eh59tAr7ac1G21Z
TLSH T11C33E682FA4B84F6D80B49709067F23FCB31D9794071D29EEF9AAF35D93794241122DA
telfhash t1ef1129bb4e7a1cf8b7c0a400c32fa6d1196fd53b456137e44173eda421a1ed25179c78
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 9d35cdb7e64c5c2b6b6414bbdb0ed673462eaae0d33ca1a13982076da3c14920
File size (compressed) :25'188 bytes
File size (de-compressed) :54'160 bytes
Format:linux/i386
Packed file: 9d35cdb7e64c5c2b6b6414bbdb0ed673462eaae0d33ca1a13982076da3c14920

Intelligence


File Origin
# of uploads :
1
# of downloads :
49
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 45.137.98.97:3778
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-30T00:16:00Z UTC
Last seen:
2026-01-30T14:28:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=307bc795-1a00-0000-9e57-8400fe090000 pid=2558 /usr/bin/sudo guuid=478d2f98-1a00-0000-9e57-8400000a0000 pid=2560 /tmp/sample.bin net guuid=307bc795-1a00-0000-9e57-8400fe090000 pid=2558->guuid=478d2f98-1a00-0000-9e57-8400000a0000 pid=2560 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=478d2f98-1a00-0000-9e57-8400000a0000 pid=2560->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=3e366498-1a00-0000-9e57-8400010a0000 pid=2561 /tmp/sample.bin zombie guuid=478d2f98-1a00-0000-9e57-8400000a0000 pid=2560->guuid=3e366498-1a00-0000-9e57-8400010a0000 pid=2561 clone guuid=f86b6b98-1a00-0000-9e57-8400020a0000 pid=2562 /tmp/sample.bin guuid=478d2f98-1a00-0000-9e57-8400000a0000 pid=2560->guuid=f86b6b98-1a00-0000-9e57-8400020a0000 pid=2562 clone guuid=7f487298-1a00-0000-9e57-8400030a0000 pid=2563 /tmp/sample.bin net send-data zombie guuid=478d2f98-1a00-0000-9e57-8400000a0000 pid=2560->guuid=7f487298-1a00-0000-9e57-8400030a0000 pid=2563 clone guuid=7f487298-1a00-0000-9e57-8400030a0000 pid=2563->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 713032c8-f7c4-5455-b885-e4dbd87df246 45.137.98.97:3778 guuid=7f487298-1a00-0000-9e57-8400030a0000 pid=2563->713032c8-f7c4-5455-b885-e4dbd87df246 send: 5B
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1860202 Sample: boatnet.i686.elf Startdate: 30/01/2026 Architecture: LINUX Score: 68 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 3 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 7 boatnet.i686.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.i686.elf 7->15         started        18 boatnet.i686.elf 7->18         started        20 boatnet.i686.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
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-30 03:08:42 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.

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_Trojan_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 581d3d3ef4bb7bf399b7da5279ccc237300e7fc113e92b2d734d8c079d47179c

(this sample)

  
Delivery method
Distributed via web download

Comments