MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b771f7d01a47583c07056e3896ff4d721289fe6291b9c2e150ae8bb63c40ebee. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b771f7d01a47583c07056e3896ff4d721289fe6291b9c2e150ae8bb63c40ebee
SHA3-384 hash: 9743c23eac06064377ddd5eb86be0b9d3dc560f9b9f5311ead1062f9dfa09769a297a1d1edec9b1dd6d2026a9be017aa
SHA1 hash: 16852b4c82c6ec2a7e15f97df3bfb0d2cf3008dd
MD5 hash: 1b64c20ce4f61767045e831d4371820b
humanhash: table-alanine-aspen-robert
File name:ub8ehJSePAfc9FYqZIT6.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:53'224 bytes
First seen:2026-01-18 18:47:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:29F133YLiXTOesoo8C56yge2vXj83DgWAynusyB5mZvZeVJul:29P33YuX5so3S6Xe2YsXsyBUvQVQl
TLSH T12233019E87D51888C4BBD07233B2239909633E977503BF9F325A9D8B8456090F9C7DD9
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) :53'224 bytes
File size (de-compressed) :176'332 bytes
Format:linux/mips
Unpacked file: 25adb2f8f3524af05d7a94fc9088993538d2a72c648b44e89b30382e60c83672

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7a97d652-3da3-4f5a-8007-04271d480f31/
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/de872c7a-c734-47e9-b79c-2ad70fa2fbdc
Behavior Graph:
Download SVG
%3 guuid=04eb4bdf-1900-0000-4c17-d048c2080000 pid=2242 /usr/bin/sudo guuid=41189ae1-1900-0000-4c17-d048c8080000 pid=2248 /tmp/sample.bin guuid=04eb4bdf-1900-0000-4c17-d048c2080000 pid=2242->guuid=41189ae1-1900-0000-4c17-d048c8080000 pid=2248 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c7884756-8719-4955-838e-6afb73f9f7d9
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1852900
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/b771f7d01a47583c07056e3896ff4d721289fe6291b9c2e150ae8bb63c40ebee
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b771f7d01a47583c07056e3896ff4d721289fe6291b9c2e150ae8bb63c40ebee/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b771f7d01a47583c07056e3896ff4d721289fe6291b9c2e150ae8bb63c40ebee
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 18:47:46 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5y7pua2i5mdybyfny4jn72noijit7tcsg44fykqv2f3mpca5pxa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260118-xfdwzsdv3d/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/731f2d13-ad77-433a-9628-389415784a6e
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: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 b771f7d01a47583c07056e3896ff4d721289fe6291b9c2e150ae8bb63c40ebee

(this sample)

Mirai

elf 25adb2f8f3524af05d7a94fc9088993538d2a72c648b44e89b30382e60c83672

  
URLhaus
https://urlhaus.abuse.ch/url/3757598/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 25adb2f8f3524af05d7a94fc9088993538d2a72c648b44e89b30382e60c83672
  
Dropping
MD5 9a4d0e34996dab726d7bfad4d8088767
  
URLhaus
https://urlhaus.abuse.ch/url/3759489/
  
URLhaus
https://urlhaus.abuse.ch/url/3759325/
  
URLhaus
https://urlhaus.abuse.ch/url/3753583/

Comments