MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f73acce0d3f413e37c6ede1e9cc1d45b3db42c6335cd9f47e2c829df7a11ddc. 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: 13


Intelligence 13 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f73acce0d3f413e37c6ede1e9cc1d45b3db42c6335cd9f47e2c829df7a11ddc
SHA3-384 hash: 3fb11bda364c5c76662ab36e0f4681c139e8f8ac80f1e4c35792223b3e6155badf67faeb0578cdeebaf95a5279882a9c
SHA1 hash: 7ea83c3ac64eec6d1ae71d4a45333029aa78d70d
MD5 hash: 1bd904ccf59b7d9f80890b24dc7ec088
humanhash: stairway-magnesium-pennsylvania-ten
File name:sora.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:74'512 bytes
First seen:2026-02-11 18:22:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:1tAedLfUjKD5tu5UOczNjxAY5NrlRjrZa8L24KLsW:1+edLfUjQ5Q5wNLvZPL24K4W
TLSH T11E732A84F98B81F5C4174D3450AAF73FDA32E53980B09BADEF9A9F32CB677015206256
telfhash t16211bff166b60cedf7d07841820d1b31795dd77b362056e205f32871317aa46a4aad3e
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 37dc9883c67f2e6f6ad2f67c47e20419ac19fdd7118a287815586e5388169b88
File size (compressed) :31'756 bytes
File size (de-compressed) :74'512 bytes
Format:linux/i386
Packed file: 37dc9883c67f2e6f6ad2f67c47e20419ac19fdd7118a287815586e5388169b88

Intelligence

File Origin
# of uploads :
1
# of downloads :
44
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/ee510069-646f-48ce-ab86-050a90a0345a/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/698cc911930564ff3c9a983b/reports/e24e0d67-68c8-4bb4-84f1-45a2d19cab5d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/8f73acce0d3f413e37c6ede1e9cc1d45b3db42c6335cd9f47e2c829df7a11ddc
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-02-11T16:09:00Z UTC
Last seen:
2026-02-11T16:27:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/8f73acce0d3f413e37c6ede1e9cc1d45b3db42c6335cd9f47e2c829df7a11ddc/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d164d243-9758-447a-aa5e-202e849a2ee2
Behavior Graph:
Download SVG
%3 guuid=cf8ec8cb-1900-0000-4244-9c5880080000 pid=2176 /usr/bin/sudo guuid=ea7840ce-1900-0000-4244-9c5887080000 pid=2183 /tmp/sample.bin net guuid=cf8ec8cb-1900-0000-4244-9c5880080000 pid=2176->guuid=ea7840ce-1900-0000-4244-9c5887080000 pid=2183 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=ea7840ce-1900-0000-4244-9c5887080000 pid=2183->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1867716
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/8f73acce0d3f413e37c6ede1e9cc1d45b3db42c6335cd9f47e2c829df7a11ddc
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f73acce0d3f413e37c6ede1e9cc1d45b3db42c6335cd9f47e2c829df7a11ddc/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/8f73acce0d3f413e37c6ede1e9cc1d45b3db42c6335cd9f47e2c829df7a11ddc
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-11 18:23:42 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r5z2ztqnh5at4n6g5xq6tta5iwz5wqwggnont5d6fsbj355bdxoa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/260211-w1jgjadx7f/
Behaviour
Changes its process name
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/8f73acce0d3f413e37c6ede1e9cc1d45b3db42c6335cd9f47e2c829df7a11ddc

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:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3278f1b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a85a418
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 37dc9883c67f2e6f6ad2f67c47e20419ac19fdd7118a287815586e5388169b88

Mirai

elf 8f73acce0d3f413e37c6ede1e9cc1d45b3db42c6335cd9f47e2c829df7a11ddc

(this sample)

  
Dropped by
SHA256 37dc9883c67f2e6f6ad2f67c47e20419ac19fdd7118a287815586e5388169b88
  
URLhaus
https://urlhaus.abuse.ch/url/3774377/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 bc5db5310680b4dc63f09fca4346c62e

Comments