MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81f311868dd5d05cf40e4484637faca4f11b3dae9f70feee1ac28c255b7b30c8. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81f311868dd5d05cf40e4484637faca4f11b3dae9f70feee1ac28c255b7b30c8
SHA3-384 hash: bb5c7775c3a92237e3e67e393afa9311b80b84b2fdfa0502804fa8fd5d870062f81ab281893f846d52ca3a362f8ed89b
SHA1 hash: 66a33fe83e1c4d2aacf8a412a56f948256722548
MD5 hash: b92a53b4074003270ab8235b177cdadb
humanhash: delaware-cup-massachusetts-oven
File name:boatnet.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:71'952 bytes
First seen:2025-12-28 14:59:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:linTYgP8pE8ra6ISWKn3uG4JNWNCRv1LdvScFI2iZ30E0bi2T:j6sEOa8We3rQtM30E0bi2T
TLSH T16D630995BC818E25C5D5037EFA2D118E331227E9E3DFB222AE205F243B8652B0E77D55
telfhash t17d119b709286569c77d0d18451db17299f6e30f80701369cab6d635f81f78c2b30983a
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 73b103e47758bed0edd5b74e24d2db2011eea2946a08d6a1e180cd004a27e8ec
File size (compressed) :29'712 bytes
File size (de-compressed) :71'952 bytes
Format:linux/arm
Packed file: 73b103e47758bed0edd5b74e24d2db2011eea2946a08d6a1e180cd004a27e8ec

Intelligence

File Origin
# of uploads :
1
# of downloads :
37
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
Link:
https://research.acce.ciphertechsolutions.com/results/365d7833-d6db-41bc-9897-c99a600e0158/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Link:
https://www.filescan.io/uploads/69514613e126b9ff43940aed/reports/67dc4547-3828-4dea-8dff-22e942a41819/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-28T13:07:00Z UTC
Last seen:
2025-12-28T15:50:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/81f311868dd5d05cf40e4484637faca4f11b3dae9f70feee1ac28c255b7b30c8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6454e6b0-17fb-4f1a-bcc1-91a56fa60aa8
Behavior Graph:
Download SVG
%3 guuid=25f4fcea-1900-0000-a4c7-45b1500a0000 pid=2640 /usr/bin/sudo guuid=d6628fec-1900-0000-a4c7-45b1560a0000 pid=2646 /tmp/sample.bin guuid=25f4fcea-1900-0000-a4c7-45b1500a0000 pid=2640->guuid=d6628fec-1900-0000-a4c7-45b1560a0000 pid=2646 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ec343b54-a26e-48c6-a199-d7034fc7bc4c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1840814
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81f311868dd5d05cf40e4484637faca4f11b3dae9f70feee1ac28c255b7b30c8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81f311868dd5d05cf40e4484637faca4f11b3dae9f70feee1ac28c255b7b30c8/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-28 15:00:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhzrdbun2xifz5aoiscgg75mutyrwpnot5yp53q2ykgckw33gdea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd
Link:
https://tria.ge/reports/251228-sdlftsbw4b/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d5f59cdd-0c29-4a98-bb69-28dfd716444e
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/81f311868dd5d05cf40e4484637faca4f11b3dae9f70feee1ac28c255b7b30c8

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d2dca9e7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

Mirai

elf 73b103e47758bed0edd5b74e24d2db2011eea2946a08d6a1e180cd004a27e8ec

Mirai

elf 81f311868dd5d05cf40e4484637faca4f11b3dae9f70feee1ac28c255b7b30c8

(this sample)

  
Dropped by
SHA256 73b103e47758bed0edd5b74e24d2db2011eea2946a08d6a1e180cd004a27e8ec
  
URLhaus
https://urlhaus.abuse.ch/url/3745364/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 512816cf1bae864e34ac1e2e7588ecff

Comments