MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b516ca12c85c186a1aecbeb15b354cf701b8d126241fefa719df7fd13cdff1a2. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b516ca12c85c186a1aecbeb15b354cf701b8d126241fefa719df7fd13cdff1a2
SHA3-384 hash: 79839439281f130d3ba1fa36b72a36f192467d0aafef48f0fc992df64423d81704e5762a49e08191d6a5e57d7afca1a1
SHA1 hash: 3cddbf83d7efbf4906580bcafe72ac3e42e28890
MD5 hash: 6402083b73c6f20862eaa905baf7b3cf
humanhash: nitrogen-connecticut-eleven-table
File name:px86
Download: download sample
Signature Mirai
Create hunting rule
File size:67'780 bytes
First seen:2026-06-21 19:15:51 UTC
Last seen:2026-06-21 22:58:13 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:+1XF1fgJtpoikokfQUQReHemWVF/hzC85cljxUx8FFBw6nouy8tyx:OXF1fAn7kfdooemWVthzF5YFFtoutA
TLSH T1DE63F273D0BFD885F74A86764ECEB80C966464297A0C8985ACE33A1E4943BD52C187F7
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) :67'780 bytes
File size (de-compressed) :160'968 bytes
Format:linux/i386
Unpacked file: 18cea76bfb55a67be23b9e006294566965c08ca336f2229bdb0dd114cd676e98

Intelligence

File Origin
# of uploads :
3
# of downloads :
64
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/53bb7e6a-175d-4dc6-82b0-c269cb9d835d/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Receives data from a server
Connection attempt
Opens a port
Kills processes
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a3838889799578a6c444933/reports/d45fa049-8217-4c06-b2ff-5569e8a2a0c2/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-21T16:24:00Z UTC
Last seen:
2026-06-21T18:16:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/b516ca12c85c186a1aecbeb15b354cf701b8d126241fefa719df7fd13cdff1a2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2cb9d0ff-6083-434f-88ed-1be86623c869
Behavior Graph:
Download SVG
%3 guuid=96d10d72-1900-0000-0c91-3d92270f0000 pid=3879 /usr/bin/sudo guuid=cb476274-1900-0000-0c91-3d92310f0000 pid=3889 /tmp/sample.bin delete-file net guuid=96d10d72-1900-0000-0c91-3d92270f0000 pid=3879->guuid=cb476274-1900-0000-0c91-3d92310f0000 pid=3889 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=cb476274-1900-0000-0c91-3d92310f0000 pid=3889->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=03b83376-1900-0000-0c91-3d92350f0000 pid=3893 /tmp/sample.bin net send-data zombie guuid=cb476274-1900-0000-0c91-3d92310f0000 pid=3889->guuid=03b83376-1900-0000-0c91-3d92350f0000 pid=3893 clone guuid=03b83376-1900-0000-0c91-3d92350f0000 pid=3893->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con cdd9a59d-ebea-5ef6-bf59-6b5cacebbc95 62.60.159.184:18129 guuid=03b83376-1900-0000-0c91-3d92350f0000 pid=3893->cdd9a59d-ebea-5ef6-bf59-6b5cacebbc95 send: 12B guuid=62f04876-1900-0000-0c91-3d92360f0000 pid=3894 /tmp/sample.bin guuid=03b83376-1900-0000-0c91-3d92350f0000 pid=3893->guuid=62f04876-1900-0000-0c91-3d92360f0000 pid=3894 clone guuid=05d04c76-1900-0000-0c91-3d92370f0000 pid=3895 /tmp/sample.bin guuid=03b83376-1900-0000-0c91-3d92350f0000 pid=3893->guuid=05d04c76-1900-0000-0c91-3d92370f0000 pid=3895 clone
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/cbcfa009-435e-414e-8ce5-6e35dde98de6
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b516ca12c85c186a1aecbeb15b354cf701b8d126241fefa719df7fd13cdff1a2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b516ca12c85c186a1aecbeb15b354cf701b8d126241fefa719df7fd13cdff1a2/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b516ca12c85c186a1aecbeb15b354cf701b8d126241fefa719df7fd13cdff1a2
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-21 19:16:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wulmuewilqmgugxmx2yvwnkm64a3rujgeqp67jyz3575cpg76gra._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260621-xyzleaey2r/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Creates a large amount of network flows
Family: Mirai
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/b516ca12c85c186a1aecbeb15b354cf701b8d126241fefa719df7fd13cdff1a2

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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 b516ca12c85c186a1aecbeb15b354cf701b8d126241fefa719df7fd13cdff1a2

(this sample)

Mirai

elf 18cea76bfb55a67be23b9e006294566965c08ca336f2229bdb0dd114cd676e98

  
URLhaus
https://urlhaus.abuse.ch/url/3865880/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 18cea76bfb55a67be23b9e006294566965c08ca336f2229bdb0dd114cd676e98
  
Dropping
MD5 73b4e393fd234c91b29176a1b67d6851

Comments