MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31d837a7404819b3c5ec42eb2174f087747ee305ce8130e992e783be6ce12ac5. 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: 6


Intelligence 6 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31d837a7404819b3c5ec42eb2174f087747ee305ce8130e992e783be6ce12ac5
SHA3-384 hash: 3787d25e45f13ec385193ba362c627f1c1161106ec27eb7d31b5680159bd10361d6fa3b6bf312963d12525a20772dfba
SHA1 hash: 33e17d83778ac8bc5b7cfae659d5710d43fa76d4
MD5 hash: 9509da458bf067564a057a6bcebc3fea
humanhash: tennessee-ohio-lion-colorado
File name:biosd0
Download: download sample
Signature Mirai
Create hunting rule
File size:8'913'080 bytes
First seen:2026-02-07 10:54:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:6wPquCLn/0T+GxSt//7nA5Y/XJmf7CHVx2uQT78yvYPq+9bW4sXC7g5EX:6yxCjMT+Gxs/7nALTcbsXCOEX
TLSH T12F962A51BDC65B26C1DC037884FE625972A43E055A95032363F4FBE83A77B3CAF5A848
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
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:DDOSAgent elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-10058922-0
Create hunting rule

Unix.Trojan.Mirai-10059005-0
Create hunting rule

Result
Gathering data
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8425cf80-83b2-4478-a5df-1ce60bfbac6d
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1865166
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31d837a7404819b3c5ec42eb2174f087747ee305ce8130e992e783be6ce12ac5
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/31d837a7404819b3c5ec42eb2174f087747ee305ce8130e992e783be6ce12ac5/
Threat name:
Linux.Trojan.DDOSAgent
Create hunting rule
Status:
Malicious
First seen:
2026-02-06 12:51:38 UTC
File Type:
ELF64 Little (Exe)
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghmdpj2ajam3hrpmilvsc5hqq52h5yyfz2atb2ms46b343hbflcq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260207-m1cjjsbx7e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/31d837a7404819b3c5ec42eb2174f087747ee305ce8130e992e783be6ce12ac5

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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:linux_protocol_doh
Create hunting rule
Author:@_lubiedo
Description:DNS-over-HTTPS yara rule
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Mirai

elf 31d837a7404819b3c5ec42eb2174f087747ee305ce8130e992e783be6ce12ac5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3773578/
  
Delivery method
Distributed via web download

Comments