MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 251ffd87efa681b27f1de066a6016336673d77742a283dac539b2481666b8f62. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 251ffd87efa681b27f1de066a6016336673d77742a283dac539b2481666b8f62
SHA3-384 hash: a7da7c6c5c21b728cd534b0050804eef0c3431042a5df14ad5de184af01c6e821aa684624150c2f87af5171e550c5bde
SHA1 hash: 5308640e39d5d587c8f919eb42dd9e7401357cfc
MD5 hash: eeb5ebc30830b2e307731c865cab6976
humanhash: edward-black-skylark-mississippi
File name:armv6l
Download: download sample
Signature Mirai
Create hunting rule
File size:63'828 bytes
First seen:2025-11-21 05:37:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:VEXhCYk+wiw1so1eyB0r79OSWaAoknRikf:VYhO+/o1rq7JWHbRiO
TLSH T17553F203B614CC50CADC4632AC79210AEA937B7295657B9520A4876CFDCB4FF46AEC39
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) :63'828 bytes
File size (de-compressed) :181'584 bytes
Format:linux/arm
Unpacked file: cf51986d1870bd8be8c81ca3abdf0ae8c8ea0a00456f7a590d7ac2807f0f4b7e

Intelligence

File Origin
# of uploads :
1
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/691ffacdaed94585b5844921/reports/d256af7b-b5a5-4c0d-9ab0-eedd16c55112/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-21T03:05:00Z UTC
Last seen:
2025-11-21T04:11:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/251ffd87efa681b27f1de066a6016336673d77742a283dac539b2481666b8f62/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/671cf4a6-f9ff-4e0e-9508-cae6f8408fa3
Behavior Graph:
Download SVG
%3 guuid=d1038c53-1900-0000-2453-8981230b0000 pid=2851 /usr/bin/sudo guuid=f9066b55-1900-0000-2453-8981280b0000 pid=2856 /tmp/sample.bin guuid=d1038c53-1900-0000-2453-8981230b0000 pid=2851->guuid=f9066b55-1900-0000-2453-8981280b0000 pid=2856 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a2ecc57c-0780-44f3-8e8a-9de70a05796b
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1818308
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/251ffd87efa681b27f1de066a6016336673d77742a283dac539b2481666b8f62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/251ffd87efa681b27f1de066a6016336673d77742a283dac539b2481666b8f62/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-21 05:38:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eup73b7pu2a3e7y54btkmaldgztt253ufiud3lcttmsicztlr5ra._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery upx
Link:
https://tria.ge/reports/251121-gbw9rscp71/
Behaviour
Reads runtime system information
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8286689b-4f23-4595-b998-1a3bf4a78c3f
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/251ffd87efa681b27f1de066a6016336673d77742a283dac539b2481666b8f62

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 251ffd87efa681b27f1de066a6016336673d77742a283dac539b2481666b8f62

(this sample)

Mirai

elf cf51986d1870bd8be8c81ca3abdf0ae8c8ea0a00456f7a590d7ac2807f0f4b7e

  
URLhaus
https://urlhaus.abuse.ch/url/3693008/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 cf51986d1870bd8be8c81ca3abdf0ae8c8ea0a00456f7a590d7ac2807f0f4b7e
  
Dropping
MD5 8c8bcc31238d3dd399044836a54a8d60

Comments