MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cdb91aa0f65e65c943394b5c7d079115d86f65cddc972358c69deabd56cfa16. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cdb91aa0f65e65c943394b5c7d079115d86f65cddc972358c69deabd56cfa16
SHA3-384 hash: 95e9eec8882ec0f04c798f51d82a2416632dba120ac06313a4f890a848fc56cbbaec16e66a11437727d773932836c40d
SHA1 hash: 7c4399bc893c0c46b1ebdf01bf17abc2883d5f04
MD5 hash: ea91220833f8b76747e05a537353c20d
humanhash: romeo-wolfram-carpet-sierra
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:120'332 bytes
First seen:2026-01-13 17:32:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:k6pZWkTfc0gCqtp4ov85I/iCbnQjGtw11:kaZX40ucovAIT0ow11
TLSH T162C39D32E82A7E84C0415574F8B59EB41FA2A5C081475EBB1AF5C57710C7CB8FA0ABF9
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Link:
https://research.acce.ciphertechsolutions.com/results/40339bd1-2004-4f11-a3e0-4710804782c7/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10057021-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/696681fa14b4fa2f67d365cb/reports/2a574f21-bdbc-42ed-8171-db1c8d23e6af/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-13T15:06:00Z UTC
Last seen:
2026-01-14T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.h
Link:
https://opentip.kaspersky.com/8cdb91aa0f65e65c943394b5c7d079115d86f65cddc972358c69deabd56cfa16/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7e23c782-bf68-4fc5-bc63-c88c15c24f12
Behavior Graph:
Download SVG
%3 guuid=be12790c-1900-0000-4f6f-097a45070000 pid=1861 /usr/bin/sudo guuid=f755d40e-1900-0000-4f6f-097a4c070000 pid=1868 /tmp/sample.bin guuid=be12790c-1900-0000-4f6f-097a45070000 pid=1861->guuid=f755d40e-1900-0000-4f6f-097a4c070000 pid=1868 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a74aa4a8-0f9c-4443-bc1d-43d1564315b2
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1850071
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1850071 Sample: sh4.elf Startdate: 13/01/2026 Architecture: LINUX Score: 80 19 169.254.169.254, 80 USDOSUS Reserved 2->19 21 154.6.197.41, 1999, 52332, 52340 COGENT-174US United States 2->21 23 2 other IPs or domains 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 2 other signatures 2->31 7 sh4.elf 2->7         started        9 python3.8 dpkg 2->9         started        signatures3 process4 process5 11 sh4.elf 7->11         started        13 sh4.elf 7->13         started        15 sh4.elf 7->15         started        17 sh4.elf 7->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8cdb91aa0f65e65c943394b5c7d079115d86f65cddc972358c69deabd56cfa16
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8cdb91aa0f65e65c943394b5c7d079115d86f65cddc972358c69deabd56cfa16/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/8cdb91aa0f65e65c943394b5c7d079115d86f65cddc972358c69deabd56cfa16
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-01-13 17:34:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rtnzdkqpmxtfzfbtss24pudzcfoyn5s43xexenmmnhpkxvlm7ila._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/260113-v47g4aes6a/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/eb741e81-971c-44b2-9cbc-c6be140c8235
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/8cdb91aa0f65e65c943394b5c7d079115d86f65cddc972358c69deabd56cfa16

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
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 8cdb91aa0f65e65c943394b5c7d079115d86f65cddc972358c69deabd56cfa16

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3757539/
  
Delivery method
Distributed via web download

Comments