MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49f8220b6a28cd74cfcf53e6e34245c4c73e0e0ae0766497ad915191f2a370d9. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49f8220b6a28cd74cfcf53e6e34245c4c73e0e0ae0766497ad915191f2a370d9
SHA3-384 hash: acd3c18458739725829f90d713ccc64e798f0168ed0b7db71c40310d9fa00129816f04b0d21637f24815e17bcb43a1a2
SHA1 hash: 247e8f5cd2364180f5de811515e9d53421a9be50
MD5 hash: 6e978fd220307215bfbad4aedcad036c
humanhash: india-muppet-neptune-alpha
File name:yakuza.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:30'112 bytes
First seen:2025-11-29 09:53:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:0PXz2ZZY6VYzTPeeeueT/FuovrdxHECY1:aXiiMYzDvXGNukdtE
TLSH T129D23A2B90D999E8C1E10675C9AB44390B57F515D7252FBB4ACDC4821C0BF6CBB3A3CA
telfhash t1c8e07d01b974da5c8dcbda749cae06e95a017267a0574b20df00dba0c83f444e70dd9b
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-7674518-0
Create hunting rule

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

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

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
android masquerade mirai
Link:
https://www.filescan.io/uploads/692ac2c61b65ca0bb9274899/reports/ffae8492-5363-4269-a10b-d7b961517b5b/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-29T03:05:00Z UTC
Last seen:
2025-11-29T03:42:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/49f8220b6a28cd74cfcf53e6e34245c4c73e0e0ae0766497ad915191f2a370d9/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2482cd2f-f435-4da4-a2f2-2e2180a8bafd
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1822783
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822783 Sample: yakuza.sh4.elf Startdate: 29/11/2025 Architecture: LINUX Score: 48 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 yakuza.sh4.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/49f8220b6a28cd74cfcf53e6e34245c4c73e0e0ae0766497ad915191f2a370d9
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/49f8220b6a28cd74cfcf53e6e34245c4c73e0e0ae0766497ad915191f2a370d9/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-29 08:07:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jh4cec3kfdgxjt6pkptogqsfytdt4dqk4b3gjf5nsfizd4vdodmq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251129-lxbbmsxngp/
Malware Config
C2 Extraction:
o.do.do
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7674518-0
YARA:
n/a
Link:
https://app.threat.zone/submission/f805c986-5ad2-48d3-8649-8beb0bd47d3a
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/49f8220b6a28cd74cfcf53e6e34245c4c73e0e0ae0766497ad915191f2a370d9

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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() 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 49f8220b6a28cd74cfcf53e6e34245c4c73e0e0ae0766497ad915191f2a370d9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3720237/
  
Delivery method
Distributed via web download

Comments