MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b18c12a77b81e45cefeebf2c3d871372fe3c983fdf47b690351dcda0cf2ba560. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b18c12a77b81e45cefeebf2c3d871372fe3c983fdf47b690351dcda0cf2ba560
SHA3-384 hash: b6a15129ebf15b36a14bb30da0633584704bc0e75714183ae406e20853fc37df241d0d7959a874b364066b10d86b8e72
SHA1 hash: 4e7cfd03c53aa619ef7ce401681629e0fa09eb37
MD5 hash: 4d942b1bd1e3ddd1ae280c0712561757
humanhash: skylark-floor-tennessee-indigo
File name:sumrak.spc
Download: download sample
Signature Mirai
Create hunting rule
File size:28'656 bytes
First seen:2025-12-20 16:57:09 UTC
Last seen:2025-12-21 02:21:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:s0vqosleoqsfcNnzd555dpVZG2fh+TV9U3EGzJ:sQqbg/7dA2JEV9YF
TLSH T1D5D2F8B6E7692A13D0B57338A4B2670379597BA10470834FBD480D0B7D967A09A3BBE1
telfhash t1bfe06840fe298b0808e6d6b0ccdd53f48505a256a057ab16df21cbe48c3e549a709a1f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
86
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.28959.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135898-0
Create hunting rule

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

Unix.Dropper.Mirai-7135909-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7136013-0
Create hunting rule

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

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9858729-0
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Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-20T14:18:00Z UTC
Last seen:
2025-12-21T12:48:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b18c12a77b81e45cefeebf2c3d871372fe3c983fdf47b690351dcda0cf2ba560/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/61e1d858-9781-44b8-9365-7b7096e51ca8
Behavior Graph:
Download SVG
%3 guuid=d979c224-1a00-0000-185c-692f6f0c0000 pid=3183 /usr/bin/sudo guuid=60300528-1a00-0000-185c-692f700c0000 pid=3184 /tmp/sample.bin guuid=d979c224-1a00-0000-185c-692f6f0c0000 pid=3183->guuid=60300528-1a00-0000-185c-692f700c0000 pid=3184 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9d40d4a3-b380-425b-b7f7-8e22b2cc57a7
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1836782
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b18c12a77b81e45cefeebf2c3d871372fe3c983fdf47b690351dcda0cf2ba560
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b18c12a77b81e45cefeebf2c3d871372fe3c983fdf47b690351dcda0cf2ba560/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-20 16:58:29 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wggbfj33qhsfz37ox4wd3bytol7dzgb735d3nebvdxg2btzluvqa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251220-vgn28strcx/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a92e7c52-0aa8-43cb-98d3-36c36a04f1f1
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/b18c12a77b81e45cefeebf2c3d871372fe3c983fdf47b690351dcda0cf2ba560

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 b18c12a77b81e45cefeebf2c3d871372fe3c983fdf47b690351dcda0cf2ba560

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3738102/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3738112/
  
URLhaus
https://urlhaus.abuse.ch/url/3738115/
  
URLhaus
https://urlhaus.abuse.ch/url/3738116/

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